test/aclocal.m4

dnl
dnl $Id$
dnl
dnl This file contains local autoconf functions.
dnl

dnl -------------------------------------------------------------------------
dnl Output stylize macros for configure (help/runtime)
dnl -------------------------------------------------------------------------

dnl
dnl PHP_HELP_SEPARATOR(title)
dnl
dnl Adds separator title into the configure --help display.
dnl 
AC_DEFUN([PHP_HELP_SEPARATOR],[
AC_ARG_ENABLE([],[
$1
],[])
])

dnl
dnl PHP_CONFIGURE_PART(title)
dnl
dnl Adds separator title configure output (idea borrowed from mm)
dnl
AC_DEFUN([PHP_CONFIGURE_PART],[
  AC_MSG_RESULT()
  AC_MSG_RESULT([${T_MD}$1${T_ME}])
])

dnl -------------------------------------------------------------------------
dnl Build system helper macros
dnl -------------------------------------------------------------------------

dnl
dnl PHP_DEF_HAVE(what)
dnl
dnl Generates 'AC_DEFINE(HAVE_WHAT, 1, [ ])'
dnl
AC_DEFUN([PHP_DEF_HAVE],[AC_DEFINE([HAVE_]translit($1,a-z_.-,A-Z___), 1, [ ])])

dnl
dnl PHP_RUN_ONCE(namespace, variable, code)
dnl
dnl execute code, if variable is not set in namespace
dnl
AC_DEFUN([PHP_RUN_ONCE],[
  changequote({,})
  unique=`echo $2|$SED 's/[^a-zA-Z0-9]/_/g'`
  changequote([,])
  cmd="echo $ac_n \"\$$1$unique$ac_c\""
  if test -n "$unique" && test "`eval $cmd`" = "" ; then
    eval "$1$unique=set"
    $3
  fi
])

dnl
dnl PHP_EXPAND_PATH(path, variable)
dnl
dnl expands path to an absolute path and assigns it to variable
dnl
AC_DEFUN([PHP_EXPAND_PATH],[
  if test -z "$1" || echo "$1" | grep '^/' >/dev/null ; then
    $2=$1
  else
    changequote({,})
    ep_dir=`echo $1|$SED 's%/*[^/][^/]*/*$%%'`
    changequote([,])
    ep_realdir=`(cd "$ep_dir" && pwd)`
    $2="$ep_realdir"/`basename "$1"`
  fi
])

dnl
dnl PHP_DEFINE(WHAT [, value[, directory]])
dnl
dnl Creates builddir/include/what.h and in there #define WHAT value
dnl
AC_DEFUN([PHP_DEFINE],[
  [echo "#define ]$1[]ifelse([$2],,[ 1],[ $2])[" > ]ifelse([$3],,[include],[$3])[/php_]translit($1,A-Z,a-z)[.h]
])

dnl
dnl PHP_SUBST(varname)
dnl
dnl Adds variable with it's value into Makefile, e.g.:
dnl CC = gcc
dnl
AC_DEFUN([PHP_SUBST],[
  PHP_VAR_SUBST="$PHP_VAR_SUBST $1"
])

dnl
dnl PHP_SUBST_OLD(varname)
dnl
dnl Same as PHP_SUBST() but also substitutes all @VARNAME@
dnl instances in every file passed to AC_OUTPUT()
dnl
AC_DEFUN([PHP_SUBST_OLD],[
  PHP_SUBST($1)
  AC_SUBST($1)
])

dnl
dnl PHP_OUTPUT(file)
dnl
dnl Adds "file" to the list of files generated by AC_OUTPUT
dnl This macro can be used several times.
dnl
AC_DEFUN([PHP_OUTPUT],[
  PHP_OUTPUT_FILES="$PHP_OUTPUT_FILES $1"
])


dnl -------------------------------------------------------------------------
dnl Build system base macros
dnl -------------------------------------------------------------------------

dnl
dnl PHP_CANONICAL_HOST_TARGET
dnl
AC_DEFUN([PHP_CANONICAL_HOST_TARGET],[
  AC_REQUIRE([AC_CANONICAL_HOST])dnl
  AC_REQUIRE([AC_CANONICAL_TARGET])dnl
  dnl Make sure we do not continue if host_alias is empty.
  if test -z "$host_alias" && test -n "$host"; then
    host_alias=$host
  fi
  if test -z "$host_alias"; then
    AC_MSG_ERROR([host_alias is not set!])
  fi
])

dnl
dnl PHP_INIT_BUILD_SYSTEM
dnl
AC_DEFUN([PHP_INIT_BUILD_SYSTEM],[
AC_REQUIRE([PHP_CANONICAL_HOST_TARGET])dnl
test -d include || $php_shtool mkdir include
> Makefile.objects
> Makefile.fragments
dnl We need to play tricks here to avoid matching the grep line itself
pattern=define
$EGREP $pattern'.*include/php' $srcdir/configure|$SED 's/.*>//'|xargs touch 2>/dev/null
])

dnl
dnl PHP_GEN_GLOBAL_MAKEFILE
dnl 
dnl Generates the global makefile.
dnl
AC_DEFUN([PHP_GEN_GLOBAL_MAKEFILE],[
  cat >Makefile <<EOF
srcdir = $abs_srcdir
builddir = $abs_builddir
top_srcdir = $abs_srcdir
top_builddir = $abs_builddir
EOF
  for i in $PHP_VAR_SUBST; do
    eval echo "$i = \$$i" >> Makefile
  done

  cat $abs_srcdir/Makefile.global Makefile.fragments Makefile.objects >> Makefile
])

dnl
dnl PHP_ADD_MAKEFILE_FRAGMENT([srcfile [, ext_srcdir [, ext_builddir]]])
dnl
dnl Processes a file called Makefile.frag in the source directory
dnl of the most recently added extension. $(srcdir) and $(builddir)
dnl are substituted with the proper paths. Can be used to supply
dnl custom rules and/or additional targets.
dnl
AC_DEFUN([PHP_ADD_MAKEFILE_FRAGMENT],[
  ifelse($1,,src=$ext_srcdir/Makefile.frag,src=$1)
  ifelse($2,,ac_srcdir=$ext_srcdir,ac_srcdir=$2)
  ifelse($3,,ac_builddir=$ext_builddir,ac_builddir=$3)
  test -f "$src" && $SED -e "s#\$(srcdir)#$ac_srcdir#g" -e "s#\$(builddir)#$ac_builddir#g" $src  >> Makefile.fragments
])

dnl
dnl PHP_ADD_SOURCES(source-path, sources [, special-flags [, type]])
dnl
dnl Adds sources which are located relative to source-path to the 
dnl array of type type.  Sources are processed with optional 
dnl special-flags which are passed to the compiler.  Sources
dnl can be either written in C or C++ (filenames shall end in .c 
dnl or .cpp, respectively).
dnl
dnl Note: If source-path begins with a "/", the "/" is removed and
dnl the path is interpreted relative to the top build-directory.
dnl
dnl which array to append to?
AC_DEFUN([PHP_ADD_SOURCES],[
  PHP_ADD_SOURCES_X($1, $2, $3, ifelse($4,sapi,PHP_SAPI_OBJS,PHP_GLOBAL_OBJS))
])

dnl
dnl _PHP_ASSIGN_BUILD_VARS(type)
dnl internal, don't use
AC_DEFUN([_PHP_ASSIGN_BUILD_VARS],[
ifelse($1,shared,[
  b_c_pre=$shared_c_pre
  b_cxx_pre=$shared_cxx_pre
  b_c_meta=$shared_c_meta
  b_cxx_meta=$shared_cxx_meta
  b_c_post=$shared_c_post
  b_cxx_post=$shared_cxx_post
],[
  b_c_pre=$php_c_pre
  b_cxx_pre=$php_cxx_pre
  b_c_meta=$php_c_meta
  b_cxx_meta=$php_cxx_meta
  b_c_post=$php_c_post
  b_cxx_post=$php_cxx_post
])dnl
  b_lo=[$]$1_lo
])

dnl
dnl PHP_ADD_SOURCES_X(source-path, sources[, special-flags[, target-var[, shared[, special-post-flags]]]])
dnl
dnl Additional to PHP_ADD_SOURCES (see above), this lets you set the
dnl name of the array target-var directly, as well as whether
dnl shared objects will be built from the sources.
dnl
dnl Should not be used directly.
dnl 
AC_DEFUN([PHP_ADD_SOURCES_X],[
dnl relative to source- or build-directory?
dnl ac_srcdir/ac_bdir include trailing slash
  case $1 in
  ""[)] ac_srcdir="$abs_srcdir/"; unset ac_bdir; ac_inc="-I. -I$abs_srcdir" ;;
  /*[)] ac_srcdir=`echo "$1"|cut -c 2-`"/"; ac_bdir=$ac_srcdir; ac_inc="-I$ac_bdir -I$abs_srcdir/$ac_bdir" ;;
  *[)] ac_srcdir="$abs_srcdir/$1/"; ac_bdir="$1/"; ac_inc="-I$ac_bdir -I$ac_srcdir" ;;
  esac
  
dnl how to build .. shared or static?
  ifelse($5,yes,_PHP_ASSIGN_BUILD_VARS(shared),_PHP_ASSIGN_BUILD_VARS(php))

dnl iterate over the sources
  old_IFS=[$]IFS
  for ac_src in $2; do
  
dnl remove the suffix
      IFS=.
      set $ac_src
      ac_obj=[$]1
      IFS=$old_IFS
      
dnl append to the array which has been dynamically chosen at m4 time
      $4="[$]$4 [$]ac_bdir[$]ac_obj.lo"

dnl choose the right compiler/flags/etc. for the source-file
      case $ac_src in
        *.c[)] ac_comp="$b_c_pre $3 $ac_inc $b_c_meta -c $ac_srcdir$ac_src -o $ac_bdir$ac_obj.$b_lo $6$b_c_post" ;;
        *.s[)] ac_comp="$b_c_pre $3 $ac_inc $b_c_meta -c $ac_srcdir$ac_src -o $ac_bdir$ac_obj.$b_lo $6$b_c_post" ;;
        *.S[)] ac_comp="$b_c_pre $3 $ac_inc $b_c_meta -c $ac_srcdir$ac_src -o $ac_bdir$ac_obj.$b_lo $6$b_c_post" ;;
        *.cpp|*.cc|*.cxx[)] ac_comp="$b_cxx_pre $3 $ac_inc $b_cxx_meta -c $ac_srcdir$ac_src -o $ac_bdir$ac_obj.$b_lo $6$b_cxx_post" ;;
      esac

dnl create a rule for the object/source combo
    cat >>Makefile.objects<<EOF
$ac_bdir[$]ac_obj.lo: $ac_srcdir[$]ac_src
	$ac_comp
EOF
  done
])

dnl -------------------------------------------------------------------------
dnl Compiler characteristics checks
dnl -------------------------------------------------------------------------

dnl
dnl PHP_TARGET_RDYNAMIC
dnl
dnl Checks whether -rdynamic is supported by the compiler.  This
dnl is necessary for some targets to populate the global symbol
dnl table.  Otherwise, dynamic modules would not be able to resolve
dnl PHP-related symbols.
dnl
dnl If successful, adds -rdynamic to PHP_LDFLAGS.
dnl
AC_DEFUN([PHP_TARGET_RDYNAMIC],[
  if test -n "$GCC"; then
    dnl we should use a PHP-specific macro here
    PHP_CHECK_GCC_ARG(-rdynamic, gcc_rdynamic=yes)
    if test "$gcc_rdynamic" = "yes"; then
      PHP_LDFLAGS="$PHP_LDFLAGS -rdynamic"
    fi
  fi
])

dnl
dnl PHP_RUNPATH_SWITCH
dnl
dnl Checks for -R, etc. switch
dnl
AC_DEFUN([PHP_RUNPATH_SWITCH],[
AC_MSG_CHECKING([if compiler supports -R])
AC_CACHE_VAL(php_cv_cc_dashr,[
  SAVE_LIBS=$LIBS
  LIBS="-R /usr/$PHP_LIBDIR $LIBS"
  AC_TRY_LINK([], [], php_cv_cc_dashr=yes, php_cv_cc_dashr=no)
  LIBS=$SAVE_LIBS])
AC_MSG_RESULT([$php_cv_cc_dashr])
if test $php_cv_cc_dashr = "yes"; then
  ld_runpath_switch=-R
else
  AC_MSG_CHECKING([if compiler supports -Wl,-rpath,])
  AC_CACHE_VAL(php_cv_cc_rpath,[
    SAVE_LIBS=$LIBS
    LIBS="-Wl,-rpath,/usr/$PHP_LIBDIR $LIBS"
    AC_TRY_LINK([], [], php_cv_cc_rpath=yes, php_cv_cc_rpath=no)
    LIBS=$SAVE_LIBS])
  AC_MSG_RESULT([$php_cv_cc_rpath])
  if test $php_cv_cc_rpath = "yes"; then
    ld_runpath_switch=-Wl,-rpath,
  else
    dnl something innocuous
    ld_runpath_switch=-L
  fi
fi
if test "$PHP_RPATH" = "no"; then
  ld_runpath_switch=
fi
])

dnl
dnl PHP_CHECK_GCC_ARG(arg, action-if-found, action-if-not-found)
dnl
AC_DEFUN([PHP_CHECK_GCC_ARG],[
  gcc_arg_name=[ac_cv_gcc_arg]translit($1,A-Z-,a-z_)
  AC_CACHE_CHECK([whether $CC supports $1], [ac_cv_gcc_arg]translit($1,A-Z-,a-z_), [
  echo 'void somefunc() { };' > conftest.c
  cmd='$CC $1 -c conftest.c'
  if eval $cmd 2>&1 | $EGREP -e $1 >/dev/null ; then
    ac_result=no
  else
    ac_result=yes
  fi
  eval $gcc_arg_name=$ac_result
  rm -f conftest.*
  ])
  if eval test "\$$gcc_arg_name" = "yes"; then
    $2
  else
    :
    $3
  fi
])

dnl
dnl PHP_LIBGCC_LIBPATH(gcc)
dnl
dnl Stores the location of libgcc in libgcc_libpath
dnl
AC_DEFUN([PHP_LIBGCC_LIBPATH],[
  changequote({,})
  libgcc_libpath=`$1 --print-libgcc-file-name|$SED 's%/*[^/][^/]*$%%'`
  changequote([,])
])

dnl -------------------------------------------------------------------------
dnl Macros to modify LIBS, INCLUDES, etc. variables 
dnl -------------------------------------------------------------------------

dnl
dnl PHP_REMOVE_USR_LIB(NAME)
dnl
dnl Removes all -L/usr/$PHP_LIBDIR entries from variable NAME
dnl
AC_DEFUN([PHP_REMOVE_USR_LIB],[
  unset ac_new_flags
  for i in [$]$1; do
    case [$]i in
    -L/usr/$PHP_LIBDIR|-L/usr/$PHP_LIBDIR/[)] ;;
    *[)] ac_new_flags="[$]ac_new_flags [$]i" ;;
    esac
  done
  $1=[$]ac_new_flags
])

dnl
dnl PHP_EVAL_LIBLINE(libline, SHARED-LIBADD)
dnl
dnl Use this macro, if you need to add libraries and or library search
dnl paths to the PHP build system which are only given in compiler
dnl notation.
dnl
AC_DEFUN([PHP_EVAL_LIBLINE],[
  for ac_i in $1; do
    case $ac_i in
    -pthread[)]
      if test "$ext_shared" = "yes"; then
        $2="[$]$2 -pthread"
      else
        PHP_RUN_ONCE(EXTRA_LDFLAGS, [$ac_i], [EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ac_i"])
      fi
    ;;
    -l*[)]
      ac_ii=`echo $ac_i|cut -c 3-`
      PHP_ADD_LIBRARY($ac_ii,1,$2)
    ;;
    -L*[)]
      ac_ii=`echo $ac_i|cut -c 3-`
      PHP_ADD_LIBPATH($ac_ii,$2)
    ;;
    esac
  done
])

dnl
dnl PHP_EVAL_INCLINE(headerline)
dnl
dnl Use this macro, if you need to add header search paths to the PHP
dnl build system which are only given in compiler notation.
dnl
AC_DEFUN([PHP_EVAL_INCLINE],[
  for ac_i in $1; do
    case $ac_i in
    -I*[)]
      ac_ii=`echo $ac_i|cut -c 3-`
      PHP_ADD_INCLUDE($ac_ii)
    ;;
    esac
  done
])

dnl internal, don't use
AC_DEFUN([_PHP_ADD_LIBPATH_GLOBAL],[
  PHP_RUN_ONCE(LIBPATH, $1, [
    test -n "$ld_runpath_switch" && LDFLAGS="$LDFLAGS $ld_runpath_switch$1"
    LDFLAGS="$LDFLAGS -L$1"
    PHP_RPATHS="$PHP_RPATHS $1"
  ])
])dnl
dnl
dnl
dnl PHP_ADD_LIBPATH(path [, SHARED-LIBADD])
dnl
dnl Adds a path to linkpath/runpath (LDFLAGS)
dnl
AC_DEFUN([PHP_ADD_LIBPATH],[
  if test "$1" != "/usr/$PHP_LIBDIR" && test "$1" != "/usr/lib"; then
    PHP_EXPAND_PATH($1, ai_p)
    ifelse([$2],,[
      _PHP_ADD_LIBPATH_GLOBAL([$ai_p])
    ],[
      if test "$ext_shared" = "yes"; then
        $2="-L$ai_p [$]$2"
        test -n "$ld_runpath_switch" && $2="$ld_runpath_switch$ai_p [$]$2"
      else
        _PHP_ADD_LIBPATH_GLOBAL([$ai_p])
      fi
    ])
  fi
])

dnl
dnl PHP_UTILIZE_RPATHS()
dnl
dnl builds RPATHS/LDFLAGS from PHP_RPATHS
dnl
AC_DEFUN([PHP_UTILIZE_RPATHS],[
  OLD_RPATHS=$PHP_RPATHS
  unset PHP_RPATHS

  for i in $OLD_RPATHS; do
dnl Can be passed to native cc/libtool
    PHP_LDFLAGS="$PHP_LDFLAGS -L$i"
dnl Libtool-specific
    PHP_RPATHS="$PHP_RPATHS -R $i"
dnl cc-specific
    NATIVE_RPATHS="$NATIVE_RPATHS $ld_runpath_switch$i"
  done

  if test "$PHP_RPATH" = "no"; then
    unset PHP_RPATHS
    unset NATIVE_RPATHS
  fi
])

dnl
dnl PHP_ADD_INCLUDE(path [,before])
dnl
dnl add an include path. 
dnl if before is 1, add in the beginning of INCLUDES.
dnl
AC_DEFUN([PHP_ADD_INCLUDE],[
  if test "$1" != "/usr/include"; then
    PHP_EXPAND_PATH($1, ai_p)
    PHP_RUN_ONCE(INCLUDEPATH, $ai_p, [
      if test "$2"; then
        INCLUDES="-I$ai_p $INCLUDES"
      else
        INCLUDES="$INCLUDES -I$ai_p"
      fi
    ])
  fi
])

dnl internal, don't use
AC_DEFUN([_PHP_X_ADD_LIBRARY],[dnl
  ifelse([$2],,$3="-l$1 [$]$3", $3="[$]$3 -l$1") dnl
])dnl
dnl
dnl internal, don't use
AC_DEFUN([_PHP_ADD_LIBRARY_SKELETON],[
  case $1 in
  c|c_r|pthread*[)] ;;
  *[)] ifelse($3,,[
    _PHP_X_ADD_LIBRARY($1,$2,$5)
  ],[
    if test "$ext_shared" = "yes"; then
      _PHP_X_ADD_LIBRARY($1,$2,$3)
    else
      $4($1,$2)
    fi
  ]) ;;
  esac
])dnl
dnl
dnl
dnl PHP_ADD_LIBRARY(library[, append[, shared-libadd]])
dnl
dnl add a library to the link line
dnl
AC_DEFUN([PHP_ADD_LIBRARY],[
  _PHP_ADD_LIBRARY_SKELETON([$1],[$2],[$3],[PHP_ADD_LIBRARY],[LIBS])
])

dnl
dnl PHP_ADD_LIBRARY_DEFER(library[, append[, shared-libadd]])
dnl
dnl add a library to the link line (deferred, not used during configure)
dnl
AC_DEFUN([PHP_ADD_LIBRARY_DEFER],[
  _PHP_ADD_LIBRARY_SKELETON([$1],[$2],[$3],[PHP_ADD_LIBRARY_DEFER],[DLIBS])
])

dnl
dnl PHP_ADD_LIBRARY_WITH_PATH(library, path[, shared-libadd])
dnl
dnl add a library to the link line and path to linkpath/runpath.
dnl if shared-libadd is not empty and $ext_shared is yes,
dnl shared-libadd will be assigned the library information
dnl
AC_DEFUN([PHP_ADD_LIBRARY_WITH_PATH],[
ifelse($3,,[
  if test -n "$2"; then
    PHP_ADD_LIBPATH($2)
  fi
  PHP_ADD_LIBRARY($1)
],[
  if test "$ext_shared" = "yes"; then
    $3="-l$1 [$]$3"
    if test -n "$2"; then
      PHP_ADD_LIBPATH($2,$3)
    fi
  else
    PHP_ADD_LIBRARY_WITH_PATH($1,$2)
  fi
])
])

dnl
dnl PHP_ADD_LIBRARY_DEFER_WITH_PATH(library, path[, shared-libadd])
dnl
dnl add a library to the link line (deferred)
dnl and path to linkpath/runpath (not deferred)
dnl if shared-libadd is not empty and $ext_shared is yes,
dnl shared-libadd will be assigned the library information
dnl
AC_DEFUN([PHP_ADD_LIBRARY_DEFER_WITH_PATH],[
ifelse($3,,[
  if test -n "$2"; then
    PHP_ADD_LIBPATH($2)
  fi
  PHP_ADD_LIBRARY_DEFER($1)
],[
  if test "$ext_shared" = "yes"; then
    $3="-l$1 [$]$3"
    if test -n "$2"; then
      PHP_ADD_LIBPATH($2,$3)
    fi
  else
    PHP_ADD_LIBRARY_DEFER_WITH_PATH($1,$2)
  fi
])
])

dnl
dnl PHP_ADD_FRAMEWORK(framework [,before])
dnl
dnl add a (Darwin / Mac OS X) framework to the link
dnl line. if before is 1, the framework is added
dnl to the beginning of the line.
dnl
AC_DEFUN([PHP_ADD_FRAMEWORK], [
  PHP_RUN_ONCE(FRAMEWORKS, $1, [
    if test "$2"; then
      PHP_FRAMEWORKS="-framework $1 $PHP_FRAMEWORKS"
    else
      PHP_FRAMEWORKS="$PHP_FRAMEWORKS -framework $1"
    fi
  ])
])

dnl
dnl PHP_ADD_FRAMEWORKPATH(path [,before])
dnl
dnl add a (Darwin / Mac OS X) framework path to the link
dnl and include lines. default paths include (but are
dnl not limited to) /Local/Library/Frameworks and
dnl /System/Library/Frameworks, so these don't need
dnl to be specifically added. if before is 1, the
dnl framework path is added to the beginning of the
dnl relevant lines.
dnl
AC_DEFUN([PHP_ADD_FRAMEWORKPATH], [
  PHP_EXPAND_PATH($1, ai_p)
  PHP_RUN_ONCE(FRAMEWORKPATH, $ai_p, [
    if test "$2"; then
      PHP_FRAMEWORKPATH="-F$ai_p $PHP_FRAMEWORKPATH"
    else
      PHP_FRAMEWORKPATH="$PHP_FRAMEWORKPATH -F$ai_p"
    fi
  ])
])

dnl
dnl PHP_ADD_FRAMEWORK_WITH_PATH(framework, path)
dnl
dnl Adds a (Darwin / Mac OS X) framework path and the
dnl framework itself to the link and include lines.
dnl
AC_DEFUN([PHP_ADD_FRAMEWORK_WITH_PATH], [
  PHP_ADD_FRAMEWORKPATH($2)
  PHP_ADD_FRAMEWORK($1)
])

dnl
dnl PHP_SET_LIBTOOL_VARIABLE(var)
dnl
dnl Set libtool variable
dnl
AC_DEFUN([PHP_SET_LIBTOOL_VARIABLE],[
  if test -z "$LIBTOOL"; then
    LIBTOOL='$(SHELL) $(top_builddir)/libtool $1'
  else
    LIBTOOL="$LIBTOOL $1"
  fi
])

dnl -------------------------------------------------------------------------
dnl Wrapper macros for AC_ARG_WITH / AC_ARG_ENABLE
dnl -------------------------------------------------------------------------

dnl PHP_ARG_ANALYZE_EX
dnl internal
AC_DEFUN([PHP_ARG_ANALYZE_EX],[
ext_output="yes, shared"
ext_shared=yes
case [$]$1 in
shared,*[)]
  $1=`echo "[$]$1"|$SED 's/^shared,//'`
  ;;
shared[)]
  $1=yes
  ;;
no[)]
  ext_output=no
  ext_shared=no
  ;;
*[)]
  ext_output=yes
  ext_shared=no
  ;;
esac

PHP_ALWAYS_SHARED([$1])
])

dnl PHP_ARG_ANALYZE
dnl internal
AC_DEFUN([PHP_ARG_ANALYZE],[
ifelse([$3],yes,[PHP_ARG_ANALYZE_EX([$1])],[ext_output=ifelse([$]$1,,no,[$]$1)])
ifelse([$2],,,[AC_MSG_RESULT([$ext_output])])
])

dnl
dnl PHP_ARG_WITH(arg-name, check message, help text[, default-val[, extension-or-not]])
dnl Sets PHP_ARG_NAME either to the user value or to the default value.
dnl default-val defaults to no.  This will also set the variable ext_shared,
dnl and will overwrite any previous variable of that name.
dnl If extension-or-not is yes (default), then do the ENABLE_ALL check and run
dnl the PHP_ARG_ANALYZE_EX.
dnl
AC_DEFUN([PHP_ARG_WITH],[
php_with_[]translit($1,A-Z0-9-,a-z0-9_)=ifelse($4,,no,$4)
PHP_REAL_ARG_WITH([$1],[$2],[$3],[$4],PHP_[]translit($1,a-z0-9-,A-Z0-9_),[ifelse($5,,yes,$5)])
])

dnl PHP_REAL_ARG_WITH
dnl internal
AC_DEFUN([PHP_REAL_ARG_WITH],[
ifelse([$2],,,[AC_MSG_CHECKING([$2])])
AC_ARG_WITH($1,[$3],$5=[$]withval,
[
  $5=ifelse($4,,no,$4)
  ifelse($6,yes,[test "$PHP_ENABLE_ALL" && $5=$PHP_ENABLE_ALL])
])
PHP_ARG_ANALYZE($5,[$2],$6)
])

dnl
dnl PHP_ARG_ENABLE(arg-name, check message, help text[, default-val[, extension-or-not]])
dnl Sets PHP_ARG_NAME either to the user value or to the default value.
dnl default-val defaults to no.  This will also set the variable ext_shared,
dnl and will overwrite any previous variable of that name.
dnl If extension-or-not is yes (default), then do the ENABLE_ALL check and run
dnl the PHP_ARG_ANALYZE_EX.
dnl
AC_DEFUN([PHP_ARG_ENABLE],[
php_enable_[]translit($1,A-Z0-9-,a-z0-9_)=ifelse($4,,no,$4)
PHP_REAL_ARG_ENABLE([$1],[$2],[$3],[$4],PHP_[]translit($1,a-z0-9-,A-Z0-9_),[ifelse($5,,yes,$5)])
])

dnl PHP_REAL_ARG_ENABLE
dnl internal
AC_DEFUN([PHP_REAL_ARG_ENABLE],[
ifelse([$2],,,[AC_MSG_CHECKING([$2])])
AC_ARG_ENABLE($1,[$3],$5=[$]enableval,
[
  $5=ifelse($4,,no,$4)
  ifelse($6,yes,[test "$PHP_ENABLE_ALL" && $5=$PHP_ENABLE_ALL])
])
PHP_ARG_ANALYZE($5,[$2],$6)
])

dnl -------------------------------------------------------------------------
dnl Build macros
dnl -------------------------------------------------------------------------

dnl
dnl PHP_BUILD_THREAD_SAFE
dnl
AC_DEFUN([PHP_BUILD_THREAD_SAFE],[
  enable_maintainer_zts=yes
  if test "$pthreads_working" != "yes"; then
    AC_MSG_ERROR([ZTS currently requires working POSIX threads. We were unable to verify that your system supports Pthreads.])
  fi
])

dnl
dnl PHP_REQUIRE_CXX
dnl
AC_DEFUN([PHP_REQUIRE_CXX],[
  if test -z "$php_cxx_done"; then
    AC_PROG_CXX
    AC_PROG_CXXCPP
    PHP_ADD_LIBRARY(stdc++)
    php_cxx_done=yes
  fi
])

dnl
dnl PHP_BUILD_SHARED
dnl
AC_DEFUN([PHP_BUILD_SHARED],[
  PHP_BUILD_PROGRAM
  OVERALL_TARGET=libphp[]$PHP_MAJOR_VERSION[.la]
  php_sapi_module=shared
  
  php_c_pre=$shared_c_pre
  php_c_meta=$shared_c_meta
  php_c_post=$shared_c_post
  php_cxx_pre=$shared_cxx_pre
  php_cxx_meta=$shared_cxx_meta
  php_cxx_post=$shared_cxx_post
  php_lo=$shared_lo
])

dnl
dnl PHP_BUILD_STATIC
dnl
AC_DEFUN([PHP_BUILD_STATIC],[
  PHP_BUILD_PROGRAM
  OVERALL_TARGET=libphp[]$PHP_MAJOR_VERSION[.la]
  php_sapi_module=static
])

dnl
dnl PHP_BUILD_BUNDLE
dnl
AC_DEFUN([PHP_BUILD_BUNDLE],[
  PHP_BUILD_PROGRAM
  OVERALL_TARGET=libs/libphp[]$PHP_MAJOR_VERSION[.bundle]
  php_sapi_module=static
])

dnl
dnl PHP_BUILD_PROGRAM
dnl
AC_DEFUN([PHP_BUILD_PROGRAM],[
  php_c_pre='$(LIBTOOL) --mode=compile $(CC)'
  php_c_meta='$(COMMON_FLAGS) $(CFLAGS_CLEAN) $(EXTRA_CFLAGS)'
  php_c_post=
  php_cxx_pre='$(LIBTOOL) --mode=compile $(CXX)'
  php_cxx_meta='$(COMMON_FLAGS) $(CXXFLAGS_CLEAN) $(EXTRA_CXXFLAGS)'
  php_cxx_post=
  php_lo=lo

  case $with_pic in
    yes) pic_setting='-prefer-pic';;
    no)  pic_setting='-prefer-non-pic';;
  esac

  shared_c_pre='$(LIBTOOL) --mode=compile $(CC)'
  shared_c_meta='$(COMMON_FLAGS) $(CFLAGS_CLEAN) $(EXTRA_CFLAGS) '$pic_setting
  shared_c_post=
  shared_cxx_pre='$(LIBTOOL) --mode=compile $(CXX)'
  shared_cxx_meta='$(COMMON_FLAGS) $(CXXFLAGS_CLEAN) $(EXTRA_CXXFLAGS) '$pic_setting
  shared_cxx_post=
  shared_lo=lo
])

dnl
dnl PHP_SHARED_MODULE(module-name, object-var, build-dir, cxx, zend_ext)
dnl
dnl Basically sets up the link-stage for building module-name
dnl from object_var in build-dir.
dnl
AC_DEFUN([PHP_SHARED_MODULE],[
  install_modules="install-modules"

  case $host_alias in
    *aix*[)]
      suffix=so
      link_cmd='$(LIBTOOL) --mode=link ifelse($4,,[$(CC)],[$(CXX)]) $(COMMON_FLAGS) $(CFLAGS_CLEAN) $(EXTRA_CFLAGS) $(LDFLAGS) -Wl,-G -o '$3'/$1.la -export-dynamic -avoid-version -prefer-pic -module -rpath $(phplibdir) $(EXTRA_LDFLAGS) $($2) $(translit($1,a-z_-,A-Z__)_SHARED_LIBADD) && mv -f '$3'/.libs/$1.so '$3'/$1.so'
      ;;
    *netware*[)]
      suffix=nlm
      link_cmd='$(LIBTOOL) --mode=link ifelse($4,,[$(CC)],[$(CXX)]) $(COMMON_FLAGS) $(CFLAGS_CLEAN) $(EXTRA_CFLAGS) $(LDFLAGS) -o [$]@ -shared -export-dynamic -avoid-version -prefer-pic -module -rpath $(phplibdir) $(EXTRA_LDFLAGS) $($2) ifelse($1, php5lib, , -L$(top_builddir)/netware -lphp5lib) $(translit(ifelse($1, php5lib, $1, m4_substr($1, 3)),a-z_-,A-Z__)_SHARED_LIBADD)'
      ;;
    *[)]
      suffix=la
      link_cmd='$(LIBTOOL) --mode=link ifelse($4,,[$(CC)],[$(CXX)]) $(COMMON_FLAGS) $(CFLAGS_CLEAN) $(EXTRA_CFLAGS) $(LDFLAGS) -o [$]@ -export-dynamic -avoid-version -prefer-pic -module -rpath $(phplibdir) $(EXTRA_LDFLAGS) $($2) $(translit($1,a-z_-,A-Z__)_SHARED_LIBADD)'
      ;;
  esac

  if test "x$5" = "xyes"; then
    PHP_ZEND_EX="$PHP_ZEND_EX \$(phplibdir)/$1.$suffix"
  else
    PHP_MODULES="$PHP_MODULES \$(phplibdir)/$1.$suffix"
  fi
  PHP_SUBST($2)
  cat >>Makefile.objects<<EOF
\$(phplibdir)/$1.$suffix: $3/$1.$suffix
	\$(LIBTOOL) --mode=install cp $3/$1.$suffix \$(phplibdir)

$3/$1.$suffix: \$($2) \$(translit($1,a-z_-,A-Z__)_SHARED_DEPENDENCIES)
	$link_cmd

EOF
])

dnl
dnl PHP_SELECT_SAPI(name, type[, sources [, extra-cflags [, build-target]]])
dnl
dnl Selects the SAPI name and type (static, shared, bundle, program)
dnl and optionally also the source-files for the SAPI-specific
dnl objects.
dnl
AC_DEFUN([PHP_SELECT_SAPI],[
  if test "$2" = "program"; then
    PHP_BINARIES="$PHP_BINARIES $1"
  elif test "$PHP_SAPI" != "none"; then
    AC_MSG_ERROR([
+--------------------------------------------------------------------+
|                        *** ATTENTION ***                           |
|                                                                    |
| You've configured multiple SAPIs to be build. You can build only   |
| one SAPI module plus CGI, CLI and FPM binaries at the same time.   |
+--------------------------------------------------------------------+
])
  else
    PHP_SAPI=$1
  fi  

  PHP_ADD_BUILD_DIR([sapi/$1])

  PHP_INSTALLED_SAPIS="$PHP_INSTALLED_SAPIS $1"

  ifelse($2,program,[
    PHP_BUILD_PROGRAM
    install_binaries="install-binaries"
    install_binary_targets="$install_binary_targets install-$1"
    PHP_SUBST(PHP_[]translit($1,a-z0-9-,A-Z0-9_)[]_OBJS)
    ifelse($3,,,[PHP_ADD_SOURCES_X([sapi/$1],[$3],[$4],PHP_[]translit($1,a-z0-9-,A-Z0-9_)[]_OBJS)])
  ],[
    case "$2" in
    static[)] PHP_BUILD_STATIC;;
    shared[)] PHP_BUILD_SHARED;;
    bundle[)] PHP_BUILD_BUNDLE;;
    esac
    install_sapi="install-sapi"
    ifelse($3,,,[PHP_ADD_SOURCES([sapi/$1],[$3],[$4],[sapi])])
  ])
])

dnl deprecated
AC_DEFUN([PHP_EXTENSION],[
  sources=`$AWK -f $abs_srcdir/build/scan_makefile_in.awk < []PHP_EXT_SRCDIR($1)[]/Makefile.in`

  PHP_NEW_EXTENSION($1, $sources, $2, $3)

  if test -r "$ext_srcdir/Makefile.frag"; then
    PHP_ADD_MAKEFILE_FRAGMENT
  fi
])

AC_DEFUN([PHP_ADD_BUILD_DIR],[
  ifelse($2,,[
    BUILD_DIR="$BUILD_DIR $1"
  ], [
    $php_shtool mkdir -p $1
  ])
])

AC_DEFUN([PHP_GEN_BUILD_DIRS],[
  $php_shtool mkdir -p $BUILD_DIR
])

dnl
dnl PHP_NEW_EXTENSION(extname, sources [, shared [, sapi_class [, extra-cflags [, cxx [, zend_ext]]]]])
dnl
dnl Includes an extension in the build.
dnl
dnl "extname" is the name of the ext/ subdir where the extension resides.
dnl "sources" is a list of files relative to the subdir which are used
dnl to build the extension.
dnl "shared" can be set to "shared" or "yes" to build the extension as
dnl a dynamically loadable library. Optional parameter "sapi_class" can
dnl be set to "cli" to mark extension build only with CLI or CGI sapi's.
dnl "extra-cflags" are passed to the compiler, with 
dnl @ext_srcdir@ and @ext_builddir@ being substituted.
dnl "cxx" can be used to indicate that a C++ shared module is desired.
dnl "zend_ext" indicates a zend extension.
AC_DEFUN([PHP_NEW_EXTENSION],[
  ext_builddir=[]PHP_EXT_BUILDDIR($1)
  ext_srcdir=[]PHP_EXT_SRCDIR($1)

  ifelse($5,,ac_extra=,[ac_extra=`echo "$5"|$SED s#@ext_srcdir@#$ext_srcdir#g|$SED s#@ext_builddir@#$ext_builddir#g`])

  if test "$3" != "shared" && test "$3" != "yes" && test "$4" != "cli"; then
dnl ---------------------------------------------- Static module
    [PHP_]translit($1,a-z_-,A-Z__)[_SHARED]=no
    PHP_ADD_SOURCES(PHP_EXT_DIR($1),$2,$ac_extra,)
    EXT_STATIC="$EXT_STATIC $1"
    if test "$3" != "nocli"; then
      EXT_CLI_STATIC="$EXT_CLI_STATIC $1"
    fi
  else
    if test "$3" = "shared" || test "$3" = "yes"; then
dnl ---------------------------------------------- Shared module
      [PHP_]translit($1,a-z_-,A-Z__)[_SHARED]=yes
      PHP_ADD_SOURCES_X(PHP_EXT_DIR($1),$2,$ac_extra,shared_objects_$1,yes)
      case $host_alias in
        *netware*[)]
          PHP_SHARED_MODULE(php$1,shared_objects_$1, $ext_builddir, $6, $7)
          ;;
        *[)]
          PHP_SHARED_MODULE($1,shared_objects_$1, $ext_builddir, $6, $7)
          ;;
      esac
      AC_DEFINE_UNQUOTED([COMPILE_DL_]translit($1,a-z_-,A-Z__), 1, Whether to build $1 as dynamic module)
    fi
  fi

  if test "$3" != "shared" && test "$3" != "yes" && test "$4" = "cli"; then
dnl ---------------------------------------------- CLI static module
    [PHP_]translit($1,a-z_-,A-Z__)[_SHARED]=no
    case "$PHP_SAPI" in
      cgi|embed[)]
        PHP_ADD_SOURCES(PHP_EXT_DIR($1),$2,$ac_extra,)
        EXT_STATIC="$EXT_STATIC $1"
        ;;
      *[)]
        PHP_ADD_SOURCES(PHP_EXT_DIR($1),$2,$ac_extra,cli)
        ;;
    esac
    EXT_CLI_STATIC="$EXT_CLI_STATIC $1"
  fi
  PHP_ADD_BUILD_DIR($ext_builddir)

dnl Set for phpize builds only
dnl --------------------------- 
  if test "$ext_builddir" = "."; then
    PHP_PECL_EXTENSION=$1
    PHP_SUBST(PHP_PECL_EXTENSION)
  fi
])

dnl
dnl PHP_WITH_SHARED
dnl
dnl Checks whether $withval is "shared" or starts with "shared,XXX"
dnl and sets $shared to "yes" or "no", and removes "shared,?" stuff
dnl from $withval.
dnl
AC_DEFUN([PHP_WITH_SHARED],[
  PHP_ARG_ANALYZE_EX(withval)
  shared=$ext_shared
  unset ext_shared ext_output
])

dnl
dnl PHP_ADD_EXTENSION_DEP(extname, depends [, depconf])
dnl
dnl This macro is scanned by genif.sh when it builds the internal functions
dnl list, so that modules can be init'd in the correct order
dnl $1 = name of extension, $2 = extension upon which it depends
dnl $3 = optional: if true, it's ok for $2 to have not been configured
dnl default is false and should halt the build.
dnl To be effective, this macro must be invoked *after* PHP_NEW_EXTENSION.
dnl The extension on which it depends must also have been configured.
dnl See ADD_EXTENSION_DEP in win32 build 
dnl
AC_DEFUN([PHP_ADD_EXTENSION_DEP], [
  am_i_shared=$[PHP_]translit($1,a-z_-,A-Z__)[_SHARED]
  is_it_shared=$[PHP_]translit($2,a-z_-,A-Z__)[_SHARED]
  is_it_enabled=$[PHP_]translit($2,a-z_-,A-Z__)
  if test "$am_i_shared" = "no" && test "$is_it_shared" = "yes" ; then
    AC_MSG_ERROR([
You've configured extension $1 to build statically, but it
depends on extension $2, which you've configured to build shared.
You either need to build $1 shared or build $2 statically for the
build to be successful.
])
  fi
  if test "x$is_it_enabled" = "xno" && test "x$3" != "xtrue"; then
    AC_MSG_ERROR([
You've configured extension $1, which depends on extension $2,
but you've either not enabled $2, or have disabled it.
])
  fi
  dnl Some systems require that we link $2 to $1 when building
])

dnl -------------------------------------------------------------------------
dnl Checks for structures, typedefs, broken functions, etc.
dnl -------------------------------------------------------------------------

dnl Internal helper macros
dnl
dnl _PHP_DEF_HAVE_FILE(what, filename)
AC_DEFUN([_PHP_DEF_HAVE_FILE], [
  php_def_have_what=HAVE_[]`echo $1 | tr 'abcdefghijklmnopqrstuvwxyz-' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ_' `
  echo "#define $php_def_have_what 1" >> $2
])
dnl
dnl _PHP_CHECK_SIZEOF(type, cross-value, extra-headers [, found-action [, not-found-action]])
dnl
AC_DEFUN([_PHP_CHECK_SIZEOF], [
  php_cache_value=php_cv_sizeof_[]$1
  AC_CACHE_VAL(php_cv_sizeof_[]$1, [
    old_LIBS=$LIBS
    LIBS=
    old_LDFLAGS=$LDFLAGS
    LDFLAGS=
    AC_TRY_RUN([#include <stdio.h>
#if STDC_HEADERS
#include <stdlib.h>
#include <stddef.h>
#endif
#ifdef HAVE_INTTYPES_H
#include <inttypes.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
$3

int main()
{
	FILE *fp = fopen("conftestval", "w");
	if (!fp) return(1);
	fprintf(fp, "%d\n", sizeof($1));
	return(0);
}
  ], [
    eval $php_cache_value=`cat conftestval`
  ], [
    eval $php_cache_value=0
  ], [
    ifelse([$2],,[eval $php_cache_value=0], [eval $php_cache_value=$2])
])
  LDFLAGS=$old_LDFLAGS
  LIBS=$old_LIBS
])
  if eval test "\$$php_cache_value" != "0"; then
ifelse([$4],[],:,[$4])
ifelse([$5],[],,[else $5])
  fi
])

dnl
dnl PHP_CHECK_SIZEOF(type, cross-value, extra-headers)
dnl
AC_DEFUN([PHP_CHECK_SIZEOF], [
  AC_MSG_CHECKING([size of $1])
  _PHP_CHECK_SIZEOF($1, $2, $3, [
    AC_DEFINE_UNQUOTED([SIZEOF_]translit($1,a-z,A-Z_), [$]php_cv_sizeof_[]$1, [Size of $1])
    AC_DEFINE_UNQUOTED([HAVE_]translit($1,a-z,A-Z_), 1, [Whether $1 is available])
  ])
  AC_MSG_RESULT([[$][php_cv_sizeof_]translit($1, ,_)])
])

dnl
dnl PHP_CHECK_TYPES(type-list, include-file [, extra-headers])
dnl
AC_DEFUN([PHP_CHECK_TYPES], [
  for php_typename in $1; do
    AC_MSG_CHECKING([whether $php_typename exists])
    _PHP_CHECK_SIZEOF($php_typename, 0, $3, [
      _PHP_DEF_HAVE_FILE($php_typename, $2)
      AC_MSG_RESULT([yes])
    ], [
      AC_MSG_RESULT([no])
    ])
  done
])

dnl
dnl PHP_CHECK_IN_ADDR_T
dnl
AC_DEFUN([PHP_CHECK_IN_ADDR_T], [
dnl AIX keeps in_addr_t in /usr/include/netinet/in.h
AC_MSG_CHECKING([for in_addr_t])
AC_CACHE_VAL(ac_cv_type_in_addr_t,
[AC_EGREP_CPP(dnl
changequote(<<,>>)dnl
<<in_addr_t[^a-zA-Z_0-9]>>dnl
changequote([,]), [#include <sys/types.h>
#if STDC_HEADERS
#include <stdlib.h>
#include <stddef.h>
#endif
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif], ac_cv_type_in_addr_t=yes, ac_cv_type_in_addr_t=no)])dnl
AC_MSG_RESULT([$ac_cv_type_in_addr_t])
if test $ac_cv_type_in_addr_t = no; then
  AC_DEFINE(in_addr_t, u_int, [ ])
fi
])

dnl
dnl PHP_TIME_R_TYPE
dnl
dnl Check type of reentrant time-related functions
dnl Type can be: irix, hpux or POSIX
dnl
AC_DEFUN([PHP_TIME_R_TYPE],[
AC_CACHE_CHECK(for type of reentrant time-related functions, ac_cv_time_r_type,[
AC_TRY_RUN([
#include <time.h>

main() {
char buf[27];
struct tm t;
time_t old = 0;
int r, s;

s = gmtime_r(&old, &t);
r = (int) asctime_r(&t, buf, 26);
if (r == s && s == 0) return (0);
return (1);
}
],[
  ac_cv_time_r_type=hpux
],[
  AC_TRY_RUN([
#include <time.h>
main() {
  struct tm t, *s;
  time_t old = 0;
  char buf[27], *p;
  
  s = gmtime_r(&old, &t);
  p = asctime_r(&t, buf, 26);
  if (p == buf && s == &t) return (0);
  return (1);
}
  ],[
    ac_cv_time_r_type=irix
  ],[
    ac_cv_time_r_type=POSIX
  ],[
    ac_cv_time_r_type=POSIX
  ])
],[
  ac_cv_time_r_type=POSIX
])
])
  case $ac_cv_time_r_type in
  hpux[)] AC_DEFINE(PHP_HPUX_TIME_R,1,[Whether you have HP-UX 10.x]) ;;
  irix[)] AC_DEFINE(PHP_IRIX_TIME_R,1,[Whether you have IRIX-style functions]) ;;
  esac
])

dnl
dnl PHP_DOES_PWRITE_WORK
dnl internal
AC_DEFUN([PHP_DOES_PWRITE_WORK],[
  AC_TRY_RUN([
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <errno.h>
$1
    main() {
    int fd = open("conftest_in", O_WRONLY|O_CREAT, 0600);

    if (fd < 0) exit(1);
    if (pwrite(fd, "text", 4, 0) != 4) exit(1);
    /* Linux glibc breakage until 2.2.5 */
    if (pwrite(fd, "text", 4, -1) != -1 || errno != EINVAL) exit(1);
    exit(0);
    }

  ],[
    ac_cv_pwrite=yes
  ],[
    ac_cv_pwrite=no
  ],[
    ac_cv_pwrite=no
  ])
])

dnl PHP_DOES_PREAD_WORK
dnl internal
AC_DEFUN([PHP_DOES_PREAD_WORK],[
  echo test > conftest_in
  AC_TRY_RUN([
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <errno.h>
$1
    main() {
    char buf[3]; 
    int fd = open("conftest_in", O_RDONLY);
    if (fd < 0) exit(1);
    if (pread(fd, buf, 2, 0) != 2) exit(1);
    /* Linux glibc breakage until 2.2.5 */
    if (pread(fd, buf, 2, -1) != -1 || errno != EINVAL) exit(1);
    exit(0);
    }
  ],[
    ac_cv_pread=yes
  ],[
    ac_cv_pread=no
  ],[
    ac_cv_pread=no
  ])
  rm -f conftest_in
])

dnl
dnl PHP_PWRITE_TEST
dnl
AC_DEFUN([PHP_PWRITE_TEST],[
  AC_CACHE_CHECK(whether pwrite works,ac_cv_pwrite,[
    PHP_DOES_PWRITE_WORK
    if test "$ac_cv_pwrite" = "no"; then
      PHP_DOES_PWRITE_WORK([ssize_t pwrite(int, void *, size_t, off64_t);])
      if test "$ac_cv_pwrite" = "yes"; then
        ac_cv_pwrite=64
      fi
    fi
  ])

  if test "$ac_cv_pwrite" != "no"; then
    AC_DEFINE(HAVE_PWRITE, 1, [ ])
    if test "$ac_cv_pwrite" = "64"; then
      AC_DEFINE(PHP_PWRITE_64, 1, [whether pwrite64 is default])
    fi
  fi  
])

dnl
dnl PHP_PREAD_TEST
dnl
AC_DEFUN([PHP_PREAD_TEST],[
  AC_CACHE_CHECK(whether pread works,ac_cv_pread,[
    PHP_DOES_PREAD_WORK
    if test "$ac_cv_pread" = "no"; then
      PHP_DOES_PREAD_WORK([ssize_t pread(int, void *, size_t, off64_t);])
      if test "$ac_cv_pread" = "yes"; then
        ac_cv_pread=64
      fi
    fi
  ])

  if test "$ac_cv_pread" != "no"; then
    AC_DEFINE(HAVE_PREAD, 1, [ ])
    if test "$ac_cv_pread" = "64"; then
      AC_DEFINE(PHP_PREAD_64, 1, [whether pread64 is default])
    fi
  fi  
])

dnl
dnl PHP_MISSING_TIME_R_DECL
dnl
AC_DEFUN([PHP_MISSING_TIME_R_DECL],[
  AC_MSG_CHECKING([for missing declarations of reentrant functions])
  AC_TRY_COMPILE([#include <time.h>],[struct tm *(*func)() = localtime_r],[
    :
  ],[
    AC_DEFINE(MISSING_LOCALTIME_R_DECL,1,[Whether localtime_r is declared])
  ])
  AC_TRY_COMPILE([#include <time.h>],[struct tm *(*func)() = gmtime_r],[
    :
  ],[
    AC_DEFINE(MISSING_GMTIME_R_DECL,1,[Whether gmtime_r is declared])
  ])
  AC_TRY_COMPILE([#include <time.h>],[char *(*func)() = asctime_r],[
    :
  ],[
    AC_DEFINE(MISSING_ASCTIME_R_DECL,1,[Whether asctime_r is declared])
  ])
  AC_TRY_COMPILE([#include <time.h>],[char *(*func)() = ctime_r],[
    :
  ],[
    AC_DEFINE(MISSING_CTIME_R_DECL,1,[Whether ctime_r is declared])
  ])
  AC_TRY_COMPILE([#include <string.h>],[char *(*func)() = strtok_r],[
    :
  ],[
    AC_DEFINE(MISSING_STRTOK_R_DECL,1,[Whether strtok_r is declared])
  ])
  AC_MSG_RESULT([done])
])

dnl
dnl PHP_READDIR_R_TYPE
dnl 
AC_DEFUN([PHP_READDIR_R_TYPE],[
  dnl HAVE_READDIR_R is also defined by libmysql
  AC_CHECK_FUNC(readdir_r,ac_cv_func_readdir_r=yes,ac_cv_func_readdir=no)
  if test "$ac_cv_func_readdir_r" = "yes"; then
  AC_CACHE_CHECK(for type of readdir_r, ac_cv_what_readdir_r,[
    AC_TRY_RUN([
#define _REENTRANT
#include <sys/types.h>
#include <dirent.h>

#ifndef PATH_MAX
#define PATH_MAX 1024
#endif

main() {
  DIR *dir;
  char entry[sizeof(struct dirent)+PATH_MAX];
  struct dirent *pentry = (struct dirent *) &entry;

  dir = opendir("/");
  if (!dir) 
    exit(1);
  if (readdir_r(dir, (struct dirent *) entry, &pentry) == 0)
    exit(0);
  exit(1);
}
    ],[
      ac_cv_what_readdir_r=POSIX
    ],[
      AC_TRY_CPP([
#define _REENTRANT
#include <sys/types.h>
#include <dirent.h>
int readdir_r(DIR *, struct dirent *);
        ],[
          ac_cv_what_readdir_r=old-style
        ],[
          ac_cv_what_readdir_r=none
      ])
    ],[
      ac_cv_what_readdir_r=none
   ])
  ])
    case $ac_cv_what_readdir_r in
    POSIX)
      AC_DEFINE(HAVE_POSIX_READDIR_R,1,[whether you have POSIX readdir_r]);;
    old-style)
      AC_DEFINE(HAVE_OLD_READDIR_R,1,[whether you have old-style readdir_r]);;
    esac
  fi
])

dnl
dnl PHP_TM_GMTOFF
dnl 
AC_DEFUN([PHP_TM_GMTOFF],[
AC_CACHE_CHECK([for tm_gmtoff in struct tm], ac_cv_struct_tm_gmtoff,
[AC_TRY_COMPILE([#include <sys/types.h>
#include <$ac_cv_struct_tm>], [struct tm tm; tm.tm_gmtoff;],
  ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no)])

if test "$ac_cv_struct_tm_gmtoff" = yes; then
  AC_DEFINE(HAVE_TM_GMTOFF,1,[whether you have tm_gmtoff in struct tm])
fi
])

dnl
dnl PHP_STRUCT_FLOCK
dnl
AC_DEFUN([PHP_STRUCT_FLOCK],[
AC_CACHE_CHECK(for struct flock,ac_cv_struct_flock,
    AC_TRY_COMPILE([
#include <unistd.h>
#include <fcntl.h>
        ],
        [struct flock x;],
        [
          ac_cv_struct_flock=yes
        ],[
          ac_cv_struct_flock=no
        ])
)
if test "$ac_cv_struct_flock" = "yes" ; then
    AC_DEFINE(HAVE_STRUCT_FLOCK, 1,[whether you have struct flock])
fi
])

dnl
dnl PHP_SOCKLEN_T
dnl
AC_DEFUN([PHP_SOCKLEN_T],[
AC_CACHE_CHECK(for socklen_t,ac_cv_socklen_t,
  AC_TRY_COMPILE([
#include <sys/types.h>
#include <sys/socket.h>
],[
socklen_t x;
],[
  ac_cv_socklen_t=yes
],[
  ac_cv_socklen_t=no
]))
if test "$ac_cv_socklen_t" = "yes"; then
  AC_DEFINE(HAVE_SOCKLEN_T, 1, [Whether you have socklen_t])
fi
])

dnl
dnl PHP_MISSING_FCLOSE_DECL
dnl
dnl See if we have broken header files like SunOS has.
dnl
AC_DEFUN([PHP_MISSING_FCLOSE_DECL],[
  AC_MSG_CHECKING([for fclose declaration])
  AC_TRY_COMPILE([#include <stdio.h>],[int (*func)() = fclose],[
    AC_DEFINE(MISSING_FCLOSE_DECL,0,[ ])
    AC_MSG_RESULT([ok])
  ],[
    AC_DEFINE(MISSING_FCLOSE_DECL,1,[ ])
    AC_MSG_RESULT([missing])
  ])
])

dnl
dnl PHP_AC_BROKEN_SPRINTF
dnl
dnl Check for broken sprintf(), C99 conformance
dnl
AC_DEFUN([PHP_AC_BROKEN_SPRINTF],[
  AC_CACHE_CHECK(whether sprintf is broken, ac_cv_broken_sprintf,[
    AC_TRY_RUN([main() {char buf[20];exit(sprintf(buf,"testing 123")!=11); }],[
      ac_cv_broken_sprintf=no
    ],[
      ac_cv_broken_sprintf=yes
    ],[
      ac_cv_broken_sprintf=no
    ])
  ])
  if test "$ac_cv_broken_sprintf" = "yes"; then
    AC_DEFINE(PHP_BROKEN_SPRINTF, 1, [Whether sprintf is C99 conform])
  else
    AC_DEFINE(PHP_BROKEN_SPRINTF, 0, [Whether sprintf is C99 conform])
  fi
])

dnl
dnl PHP_AC_BROKEN_SNPRINTF
dnl
dnl Check for broken snprintf(), C99 conformance
dnl
AC_DEFUN([PHP_AC_BROKEN_SNPRINTF],[
  AC_CACHE_CHECK(whether snprintf is broken, ac_cv_broken_snprintf,[
    AC_TRY_RUN([
#define NULL (0L)
main() {
  char buf[20];
  int res = 0;
  res = res || (snprintf(buf, 2, "marcus") != 6); 
  res = res || (buf[1] != '\0');
  /* Implementations may consider this as an encoding error */
  snprintf(buf, 0, "boerger");
  /* However, they MUST ignore the pointer */
  res = res || (buf[0] != 'm');
  res = res || (snprintf(NULL, 0, "boerger") != 7);
  res = res || (snprintf(buf, sizeof(buf), "%f", 0.12345678) != 8);
  exit(res); 
}
    ],[
      ac_cv_broken_snprintf=no
    ],[
      ac_cv_broken_snprintf=yes
    ],[
      ac_cv_broken_snprintf=no
    ])
  ])
  if test "$ac_cv_broken_snprintf" = "yes"; then
    AC_DEFINE(PHP_BROKEN_SNPRINTF, 1, [Whether snprintf is C99 conform])
  else
    AC_DEFINE(PHP_BROKEN_SNPRINTF, 0, [Whether snprintf is C99 conform])
  fi
])

dnl
dnl PHP_SOLARIS_PIC_WEIRDNESS
dnl
dnl Solaris requires main code to be position independent in order
dnl to let shared objects find symbols.  Weird.  Ugly.
dnl
dnl Must be run after all --with-NN options that let the user
dnl choose dynamic extensions, and after the gcc test.
dnl
AC_DEFUN([PHP_SOLARIS_PIC_WEIRDNESS],[
  AC_MSG_CHECKING([whether -fPIC is required])
  if test -n "$EXT_SHARED"; then
    os=`uname -sr 2>/dev/null`
    case $os in
      "SunOS 5.6"|"SunOS 5.7"[)]
        case $CC in
          gcc*|egcs*)
            CFLAGS="$CFLAGS -fPIC";;
          *[)]
            CFLAGS="$CFLAGS -fpic";;
        esac
        AC_MSG_RESULT([yes]);;
      *[)]
        AC_MSG_RESULT([no]);;
    esac
  else
    AC_MSG_RESULT([no])
  fi
])

dnl
dnl PHP_SYS_LFS
dnl
dnl The problem is that the default compilation flags in Solaris 2.6 won't
dnl let programs access large files;  you need to tell the compiler that
dnl you actually want your programs to work on large files.  For more
dnl details about this brain damage please see:
dnl http://www.sas.com/standards/large.file/x_open.20Mar96.html
dnl
dnl Written by Paul Eggert <eggert@twinsun.com>.
dnl
AC_DEFUN([PHP_SYS_LFS],
[dnl
  # If available, prefer support for large files unless the user specified
  # one of the CPPFLAGS, LDFLAGS, or LIBS variables.
  AC_MSG_CHECKING([whether large file support needs explicit enabling])
  ac_getconfs=''
  ac_result=yes
  ac_set=''
  ac_shellvars='CPPFLAGS LDFLAGS LIBS'
  for ac_shellvar in $ac_shellvars; do
    case $ac_shellvar in
      CPPFLAGS[)] ac_lfsvar=LFS_CFLAGS ;;
      *[)] ac_lfsvar=LFS_$ac_shellvar ;;
    esac
    eval test '"${'$ac_shellvar'+set}"' = set && ac_set=$ac_shellvar
    (getconf $ac_lfsvar) >/dev/null 2>&1 || { ac_result=no; break; }
    ac_getconf=`getconf $ac_lfsvar`
    ac_getconfs=$ac_getconfs$ac_getconf
    eval ac_test_$ac_shellvar=\$ac_getconf
  done
  case "$ac_result$ac_getconfs" in
    yes[)] ac_result=no ;;
  esac
  case "$ac_result$ac_set" in
    yes?*[)] ac_result="yes, but $ac_set is already set, so use its settings"
  esac
  AC_MSG_RESULT([$ac_result])
  case $ac_result in
    yes[)]
      for ac_shellvar in $ac_shellvars; do
        eval $ac_shellvar=\$ac_test_$ac_shellvar
      done ;;
  esac
])

dnl
dnl PHP_SOCKADDR_CHECKS
dnl
AC_DEFUN([PHP_SOCKADDR_CHECKS], [
  dnl Check for struct sockaddr_storage exists
  AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_sockaddr_storage,
    [AC_TRY_COMPILE([#include <sys/types.h>
#include <sys/socket.h>],
    [struct sockaddr_storage s; s],
    [ac_cv_sockaddr_storage=yes], [ac_cv_sockaddr_storage=no])
  ])
  if test "$ac_cv_sockaddr_storage" = "yes"; then
    AC_DEFINE(HAVE_SOCKADDR_STORAGE, 1, [Whether you have struct sockaddr_storage])
  fi
  dnl Check if field sa_len exists in struct sockaddr 
  AC_CACHE_CHECK([for field sa_len in struct sockaddr],ac_cv_sockaddr_sa_len,[
    AC_TRY_COMPILE([#include <sys/types.h>
#include <sys/socket.h>],
    [static struct sockaddr sa; int n = (int) sa.sa_len; return n;],
    [ac_cv_sockaddr_sa_len=yes], [ac_cv_sockaddr_sa_len=no])
  ])
  if test "$ac_cv_sockaddr_sa_len" = "yes"; then
    AC_DEFINE(HAVE_SOCKADDR_SA_LEN, 1, [Whether struct sockaddr has field sa_len])
  fi
])

dnl
dnl PHP_DECLARED_TIMEZONE
dnl
AC_DEFUN([PHP_DECLARED_TIMEZONE],[
  AC_CACHE_CHECK(for declared timezone, ac_cv_declared_timezone,[
    AC_TRY_COMPILE([
#include <sys/types.h>
#include <time.h>
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
],[
    time_t foo = (time_t) timezone;
],[
  ac_cv_declared_timezone=yes
],[
  ac_cv_declared_timezone=no
])])
  if test "$ac_cv_declared_timezone" = "yes"; then
    AC_DEFINE(HAVE_DECLARED_TIMEZONE, 1, [Whether system headers declare timezone])
  fi
])

dnl
dnl PHP_EBCDIC
dnl
AC_DEFUN([PHP_EBCDIC], [
  AC_CACHE_CHECK([whether system uses EBCDIC],ac_cv_ebcdic,[
  AC_TRY_RUN( [
int main(void) { 
  return (unsigned char)'A' != (unsigned char)0xC1; 
} 
],[
  ac_cv_ebcdic=yes
],[
  ac_cv_ebcdic=no
],[
  ac_cv_ebcdic=no
])])
  if test "$ac_cv_ebcdic" = "yes"; then
    AC_DEFINE(CHARSET_EBCDIC,1, [Define if system uses EBCDIC])
  fi
])

dnl
dnl PHP_BROKEN_GETCWD
dnl
dnl Some systems, notably Solaris, cause getcwd() or realpath to fail if a
dnl component of the path has execute but not read permissions
dnl
AC_DEFUN([PHP_BROKEN_GETCWD],[
  AC_MSG_CHECKING([for broken getcwd])
  os=`uname -sr 2>/dev/null`
  case $os in
    SunOS*[)]
      AC_DEFINE(HAVE_BROKEN_GETCWD,1, [Define if system has broken getcwd])
      AC_MSG_RESULT([yes]);;
    *[)]
      AC_MSG_RESULT([no]);;
  esac
])

dnl
dnl PHP_BROKEN_GLIBC_FOPEN_APPEND
dnl
AC_DEFUN([PHP_BROKEN_GLIBC_FOPEN_APPEND], [
  AC_MSG_CHECKING([for broken libc stdio])
  AC_CACHE_VAL(_cv_have_broken_glibc_fopen_append,[
  AC_TRY_RUN([
#include <stdio.h>
int main(int argc, char *argv[])
{
  FILE *fp;
  long position;
  char *filename = tmpnam(NULL);
  
  fp = fopen(filename, "w");
  if (fp == NULL) {
    perror("fopen");
    exit(2);
  }
  fputs("foobar", fp);
  fclose(fp);

  fp = fopen(filename, "a+");
  position = ftell(fp);
  fclose(fp);
  unlink(filename);
  if (position == 0)
  return 1;
  return 0;
}
],
[_cv_have_broken_glibc_fopen_append=no],
[_cv_have_broken_glibc_fopen_append=yes ],
AC_TRY_COMPILE([
#include <features.h>
],[
#if !__GLIBC_PREREQ(2,2)
choke me
#endif
],
[_cv_have_broken_glibc_fopen_append=yes],
[_cv_have_broken_glibc_fopen_append=no ])
)])

  if test "$_cv_have_broken_glibc_fopen_append" = "yes"; then
    AC_MSG_RESULT(yes)
    AC_DEFINE(HAVE_BROKEN_GLIBC_FOPEN_APPEND,1, [Define if your glibc borks on fopen with mode a+])
  else
    AC_MSG_RESULT(no)
  fi
])

dnl
dnl PHP_FOPENCOOKIE
dnl
AC_DEFUN([PHP_FOPENCOOKIE], [
  AC_CHECK_FUNC(fopencookie, [have_glibc_fopencookie=yes])

  if test "$have_glibc_fopencookie" = "yes"; then
dnl this comes in two flavors:
dnl newer glibcs (since 2.1.2 ? )
dnl have a type called cookie_io_functions_t
AC_TRY_COMPILE([
#define _GNU_SOURCE
#include <stdio.h>
], [cookie_io_functions_t cookie;], [have_cookie_io_functions_t=yes], [])

    if test "$have_cookie_io_functions_t" = "yes"; then
      cookie_io_functions_t=cookie_io_functions_t
      have_fopen_cookie=yes

dnl even newer glibcs have a different seeker definition...
AC_TRY_RUN([
#define _GNU_SOURCE
#include <stdio.h>

struct cookiedata {
  __off64_t pos;
};

__ssize_t reader(void *cookie, char *buffer, size_t size)
{ return size; }
__ssize_t writer(void *cookie, const char *buffer, size_t size)
{ return size; }
int closer(void *cookie)
{ return 0; }
int seeker(void *cookie, __off64_t *position, int whence)
{ ((struct cookiedata*)cookie)->pos = *position; return 0; }

cookie_io_functions_t funcs = {reader, writer, seeker, closer};

main() {
  struct cookiedata g = { 0 };
  FILE *fp = fopencookie(&g, "r", funcs);

  if (fp && fseek(fp, 8192, SEEK_SET) == 0 && g.pos == 8192)
    exit(0);
  exit(1);
}

], [
  cookie_io_functions_use_off64_t=yes
], [
  cookie_io_functions_use_off64_t=no
], [
  cookie_io_functions_use_off64_t=no
])
    
    else

dnl older glibc versions (up to 2.1.2 ?)
dnl call it _IO_cookie_io_functions_t
AC_TRY_COMPILE([
#define _GNU_SOURCE
#include <stdio.h>
], [ _IO_cookie_io_functions_t cookie; ], [have_IO_cookie_io_functions_t=yes], [])
      if test "$have_cookie_io_functions_t" = "yes" ; then
        cookie_io_functions_t=_IO_cookie_io_functions_t
        have_fopen_cookie=yes
      fi
    fi

    if test "$have_fopen_cookie" = "yes" ; then
      AC_DEFINE(HAVE_FOPENCOOKIE, 1, [ ])
      AC_DEFINE_UNQUOTED(COOKIE_IO_FUNCTIONS_T, $cookie_io_functions_t, [ ])
      if test "$cookie_io_functions_use_off64_t" = "yes" ; then
        AC_DEFINE(COOKIE_SEEKER_USES_OFF64_T, 1, [ ])
      fi
    fi
  fi
])

dnl -------------------------------------------------------------------------
dnl Library/function existence and build sanity checks
dnl -------------------------------------------------------------------------

dnl
dnl PHP_CHECK_LIBRARY(library, function [, action-found [, action-not-found [, extra-libs]]])
dnl
dnl Wrapper for AC_CHECK_LIB
dnl
AC_DEFUN([PHP_CHECK_LIBRARY], [
  save_old_LDFLAGS=$LDFLAGS
  ac_stuff="$5"
  
  save_ext_shared=$ext_shared
  ext_shared=yes
  PHP_EVAL_LIBLINE([$]ac_stuff, LDFLAGS)
  AC_CHECK_LIB([$1],[$2],[
    LDFLAGS=$save_old_LDFLAGS
    ext_shared=$save_ext_shared
    $3
  ],[
    LDFLAGS=$save_old_LDFLAGS
    ext_shared=$save_ext_shared
    unset ac_cv_lib_$1[]_$2
    $4
  ])dnl
])

dnl
dnl PHP_CHECK_FRAMEWORK(framework, function [, action-found [, action-not-found ]])
dnl
dnl El cheapo wrapper for AC_CHECK_LIB
dnl
AC_DEFUN([PHP_CHECK_FRAMEWORK], [
  save_old_LDFLAGS=$LDFLAGS
  LDFLAGS="-framework $1 $LDFLAGS"
  dnl supplying "c" to AC_CHECK_LIB is technically cheating, but
  dnl rewriting AC_CHECK_LIB is overkill and this only affects
  dnl the "checking.." output anyway.
  AC_CHECK_LIB(c,[$2],[
    LDFLAGS=$save_old_LDFLAGS
    $3
  ],[
    LDFLAGS=$save_old_LDFLAGS
    $4
  ])
])

dnl
dnl PHP_CHECK_FUNC_LIB(func, libs)
dnl
dnl This macro checks whether 'func' or '__func' exists
dnl in the specified library.
dnl Defines HAVE_func and HAVE_library if found and adds the library to LIBS.
dnl This should be called in the ACTION-IF-NOT-FOUND part of PHP_CHECK_FUNC
dnl
dnl
dnl autoconf undefines the builtin "shift" :-(
dnl If possible, we use the builtin shift anyway, otherwise we use
dnl the ubercool definition I have tested so far with FreeBSD/GNU m4
ifdef([builtin],[builtin(define, phpshift, [builtin(shift, $@)])],[
define([phpshift],[ifelse(index([$@],[,]),-1,,[substr([$@],incr(index([$@],[,])))])])
])
dnl
AC_DEFUN([PHP_CHECK_FUNC_LIB],[
  ifelse($2,,:,[
  unset ac_cv_lib_$2[]_$1
  unset ac_cv_lib_$2[]___$1
  unset found
  AC_CHECK_LIB($2, $1, [found=yes], [
    AC_CHECK_LIB($2, __$1, [found=yes], [found=no])
  ])

  if test "$found" = "yes"; then
    ac_libs=$LIBS
    LIBS="$LIBS -l$2"
    AC_TRY_RUN([main() { return (0); }],[found=yes],[found=no],[found=no])
    LIBS=$ac_libs
  fi

  if test "$found" = "yes"; then
    PHP_ADD_LIBRARY($2)
    PHP_DEF_HAVE($1)
    PHP_DEF_HAVE(lib$2)
    ac_cv_func_$1=yes
  else
    PHP_CHECK_FUNC_LIB($1,phpshift(phpshift($@)))
  fi
  ])
])

dnl
dnl PHP_CHECK_FUNC(func, ...)
dnl
dnl This macro checks whether 'func' or '__func' exists
dnl in the default libraries and as a fall back in the specified library.
dnl Defines HAVE_func and HAVE_library if found and adds the library to LIBS.
dnl
AC_DEFUN([PHP_CHECK_FUNC],[
  unset ac_cv_func_$1
  unset ac_cv_func___$1
  unset found
  
  AC_CHECK_FUNC($1, [found=yes],[ AC_CHECK_FUNC(__$1,[found=yes],[found=no]) ])

  case $found in
  yes[)] 
    PHP_DEF_HAVE($1)
    ac_cv_func_$1=yes
  ;;
  ifelse($#,1,,[
    *[)] PHP_CHECK_FUNC_LIB($@) ;;
  ])
  esac
])

dnl
dnl PHP_TEST_BUILD(function, action-if-ok, action-if-not-ok [, extra-libs [, extra-source]])
dnl
dnl This macro checks whether build works and given function exists.
dnl
AC_DEFUN([PHP_TEST_BUILD], [
  old_LIBS=$LIBS
  LIBS="$4 $LIBS"
  AC_TRY_RUN([
    $5
    char $1();
    int main() {
      $1();
      return 0;
    }
  ], [
    LIBS=$old_LIBS
    $2
  ],[
    LIBS=$old_LIBS
    $3
  ],[
    LIBS=$old_LIBS
  ])
])

dnl -------------------------------------------------------------------------
dnl Platform characteristics checks
dnl -------------------------------------------------------------------------

dnl
dnl PHP_SHLIB_SUFFIX_NAMES
dnl
dnl Determines link library suffix SHLIB_SUFFIX_NAME
dnl which can be: .so, .sl or .dylib
dnl
dnl Determines shared library suffix SHLIB_DL_SUFFIX_NAME
dnl suffix can be: .so or .sl
dnl
AC_DEFUN([PHP_SHLIB_SUFFIX_NAMES],[
 AC_REQUIRE([PHP_CANONICAL_HOST_TARGET])dnl
 PHP_SUBST_OLD(SHLIB_SUFFIX_NAME)
 PHP_SUBST_OLD(SHLIB_DL_SUFFIX_NAME)
 SHLIB_SUFFIX_NAME=so
 SHLIB_DL_SUFFIX_NAME=$SHLIB_SUFFIX_NAME
 case $host_alias in
 *hpux*[)]
   SHLIB_SUFFIX_NAME=sl
   SHLIB_DL_SUFFIX_NAME=sl
   ;;
 *darwin*[)]
   SHLIB_SUFFIX_NAME=dylib
   SHLIB_DL_SUFFIX_NAME=so
   ;;
 esac
])

dnl
dnl PHP_CHECK_64BIT([do if 32], [do if 64])
dnl
dnl This macro is used to detect if we're at 64-bit platform or not.
dnl It could be useful for those external libs, that have different precompiled 
dnl versions in different directories.
dnl
AC_DEFUN([PHP_CHECK_64BIT],[
  AC_CHECK_SIZEOF(long int, 4)
  AC_MSG_CHECKING([checking if we're at 64-bit platform])
  if test "$ac_cv_sizeof_long_int" = "4" ; then
    AC_MSG_RESULT([no])
    $1
  else
    AC_MSG_RESULT([yes])
    $2
  fi
])

dnl
dnl PHP_C_BIGENDIAN
dnl
dnl Replacement macro for AC_C_BIGENDIAN
dnl
AC_DEFUN([PHP_C_BIGENDIAN],
[AC_CACHE_CHECK([whether byte ordering is bigendian], ac_cv_c_bigendian_php,
 [
  ac_cv_c_bigendian_php=unknown
  AC_TRY_RUN(
  [
int main(void)
{
  short one = 1;
  char *cp = (char *)&one;

  if (*cp == 0) {
    return(0);
  } else {
    return(1);
  }
}
  ], [ac_cv_c_bigendian_php=yes], [ac_cv_c_bigendian_php=no], [ac_cv_c_bigendian_php=unknown])
 ])
 if test $ac_cv_c_bigendian_php = yes; then
   AC_DEFINE(WORDS_BIGENDIAN, [], [Define if processor uses big-endian word])
 fi
])

dnl -------------------------------------------------------------------------
dnl Checks for programs: PHP_PROG_<program>
dnl -------------------------------------------------------------------------

dnl
dnl PHP_PROG_SENDMAIL
dnl
dnl Search for the sendmail binary
dnl
AC_DEFUN([PHP_PROG_SENDMAIL], [
  PHP_ALT_PATH=/usr/bin:/usr/sbin:/usr/etc:/etc:/usr/ucblib:/usr/lib
  AC_PATH_PROG(PROG_SENDMAIL, sendmail,[], $PATH:$PHP_ALT_PATH)
  PHP_SUBST(PROG_SENDMAIL)
])

dnl
dnl PHP_PROG_AWK
dnl
dnl Some vendors force mawk before gawk; mawk is broken so we don't like that
dnl
AC_DEFUN([PHP_PROG_AWK], [
  AC_CHECK_PROGS(AWK, gawk nawk awk mawk, bork, /usr/xpg4/bin/:$PATH)
  case "$AWK" in
    *mawk)
      AC_MSG_WARN([mawk is known to have problems on some systems. You should install GNU awk])
      ;;
    *gawk)  
      ;;
    bork)   
      AC_MSG_ERROR([Could not find awk; Install GNU awk])
      ;;
    *)
      AC_MSG_CHECKING([if $AWK is broken])
      if ! $AWK 'function foo() {}' >/dev/null 2>&1 ; then
        AC_MSG_RESULT([yes])
        AC_MSG_ERROR([You should install GNU awk])
      else
        AC_MSG_RESULT([no])
      fi
      ;;
  esac
  PHP_SUBST(AWK)
])

dnl
dnl PHP_PROG_BISON
dnl
dnl Search for bison and check it's version
dnl
AC_DEFUN([PHP_PROG_BISON], [
  AC_PROG_YACC
  LIBZEND_BISON_CHECK
  PHP_SUBST(YACC)
])

dnl
dnl PHP_PROG_LEX
dnl
dnl Search for (f)lex and check it's version
dnl
AC_DEFUN([PHP_PROG_LEX], [
dnl we only support certain flex versions
  flex_version_list="2.5.4"
   
  AC_PROG_LEX
  if test "$LEX" = "flex"; then
dnl AC_DECL_YYTEXT is obsolete since autoconf 2.50 and merged into AC_PROG_LEX
dnl this is what causes that annoying "PHP_PROG_LEX is expanded from" warning with autoconf 2.50+
dnl it should be removed once we drop support of autoconf 2.13 (if ever)
    AC_DECL_YYTEXT
    :
  fi
  dnl ## Make flex scanners use const if they can, even if __STDC__ is not
  dnl ## true, for compilers like Sun's that only set __STDC__ true in
  dnl ## "limit-to-ANSI-standard" mode, not in "ANSI-compatible" mode
  AC_C_CONST
  if test "$ac_cv_c_const" = "yes" ; then
    LEX_CFLAGS="-DYY_USE_CONST"
  fi

  if test "$LEX" = "flex"; then
    AC_CACHE_CHECK([for flex version], php_cv_flex_version, [
      flex_version=`$LEX -V -v --version 2>/dev/null | $SED -e 's/^.* //'`
      php_cv_flex_version=invalid
      for flex_check_version in $flex_version_list; do
        if test "$flex_version" = "$flex_check_version"; then
          php_cv_flex_version="$flex_check_version (ok)"
        fi
      done
    ])
  else
    flex_version=none
  fi
  
  case $php_cv_flex_version in
    ""|invalid[)]
      if test -f "$abs_srcdir/Zend/zend_language_scanner.c" && test -f "$abs_srcdir/Zend/zend_ini_scanner.c"; then
        AC_MSG_WARN([flex versions supported for regeneration of the Zend/PHP parsers: $flex_version_list  (found: $flex_version)])
      else
        flex_msg="Supported flex versions are: $flex_version_list"
        if test "$flex_version" = "none"; then
          flex_msg="flex not found. flex is required to generate the Zend/PHP parsers! $flex_msg"
        else
          flex_msg="Found invalid flex version: $flex_version. $flex_msg"
        fi
        AC_MSG_ERROR([$flex_msg])
      fi
      LEX="exit 0;"
      ;;
  esac
  PHP_SUBST(LEX)
])

dnl
dnl PHP_PROG_RE2C
dnl
dnl Search for the re2c binary and check the version
dnl
AC_DEFUN([PHP_PROG_RE2C],[
  AC_CHECK_PROG(RE2C, re2c, re2c)
  if test -n "$RE2C"; then
    AC_CACHE_CHECK([for re2c version], php_cv_re2c_version, [
      re2c_vernum=`$RE2C --vernum 2>/dev/null`
      if test -z "$re2c_vernum" || test "$re2c_vernum" -lt "1304"; then
        php_cv_re2c_version=invalid
      else
        php_cv_re2c_version="`$RE2C --version | cut -d ' ' -f 2  2>/dev/null` (ok)"
      fi 
    ])
  fi
  case $php_cv_re2c_version in
    ""|invalid[)]
      AC_MSG_WARN([You will need re2c 0.13.4 or later if you want to regenerate PHP parsers.])
      RE2C="exit 0;"
      ;;
  esac
  PHP_SUBST(RE2C)
])

dnl -------------------------------------------------------------------------
dnl Common setup macros: PHP_SETUP_<what>
dnl -------------------------------------------------------------------------

dnl
dnl PHP_SETUP_ICU([shared-add])
dnl
dnl Common setup macro for ICU
dnl
AC_DEFUN([PHP_SETUP_ICU],[
  PHP_ARG_WITH(icu-dir,,
  [  --with-icu-dir=DIR      Specify where ICU libraries and headers can be found], DEFAULT, no)

  if test "$PHP_ICU_DIR" = "no"; then
    PHP_ICU_DIR=DEFAULT
  fi

  if test "$PHP_ICU_DIR" = "DEFAULT"; then
    dnl Try to find icu-config
    AC_PATH_PROG(ICU_CONFIG, icu-config, no, [$PATH:/usr/local/bin])
  else
    ICU_CONFIG="$PHP_ICU_DIR/bin/icu-config"
  fi

  AC_MSG_CHECKING([for location of ICU headers and libraries])

  dnl Trust icu-config to know better what the install prefix is..
  icu_install_prefix=`$ICU_CONFIG --prefix 2> /dev/null`
  if test "$?" != "0" || test -z "$icu_install_prefix"; then
    AC_MSG_RESULT([not found])
    AC_MSG_ERROR([Unable to detect ICU prefix or $ICU_CONFIG failed. Please verify ICU install prefix and make sure icu-config works.])
  else
    AC_MSG_RESULT([$icu_install_prefix])

    dnl Check ICU version
    AC_MSG_CHECKING([for ICU 4.0 or greater])
    icu_version_full=`$ICU_CONFIG --version`
    ac_IFS=$IFS
    IFS="."
    set $icu_version_full
    IFS=$ac_IFS
    icu_version=`expr [$]1 \* 1000 + [$]2`
    AC_MSG_RESULT([found $icu_version_full])

    if test "$icu_version" -lt "4000"; then
      AC_MSG_ERROR([ICU version 4.0 or later is required])
    fi

    ICU_VERSION=$icu_version
    ICU_INCS=`$ICU_CONFIG --cppflags-searchpath`
    ICU_LIBS=`$ICU_CONFIG --ldflags --ldflags-icuio`
    PHP_EVAL_INCLINE($ICU_INCS)
    PHP_EVAL_LIBLINE($ICU_LIBS, $1)
  fi
])

dnl
dnl PHP_SETUP_KERBEROS(shared-add [, action-found [, action-not-found]])
dnl
dnl Common setup macro for kerberos
dnl
AC_DEFUN([PHP_SETUP_KERBEROS],[
  found_kerberos=no
  unset KERBEROS_CFLAGS
  unset KERBEROS_LIBS

  dnl First try to find krb5-config
  if test -z "$KRB5_CONFIG"; then
    AC_PATH_PROG(KRB5_CONFIG, krb5-config, no, [$PATH:/usr/kerberos/bin:/usr/local/bin])
  fi

  dnl If krb5-config is found try using it
  if test "$PHP_KERBEROS" = "yes" && test -x "$KRB5_CONFIG"; then
    KERBEROS_LIBS=`$KRB5_CONFIG --libs gssapi`
    KERBEROS_CFLAGS=`$KRB5_CONFIG --cflags gssapi`

    if test -n "$KERBEROS_LIBS"; then
      found_kerberos=yes
      PHP_EVAL_LIBLINE($KERBEROS_LIBS, $1)
      PHP_EVAL_INCLINE($KERBEROS_CFLAGS)
    fi
  fi

  dnl If still not found use old skool method
  if test "$found_kerberos" = "no"; then

    if test "$PHP_KERBEROS" = "yes"; then
      PHP_KERBEROS="/usr/kerberos /usr/local /usr"
    fi

    for i in $PHP_KERBEROS; do
      if test -f $i/$PHP_LIBDIR/libkrb5.a || test -f $i/$PHP_LIBDIR/libkrb5.$SHLIB_SUFFIX_NAME; then
        PHP_KERBEROS_DIR=$i
        break
      fi
    done

    if test "$PHP_KERBEROS_DIR"; then
      found_kerberos=yes
      PHP_ADD_LIBPATH($PHP_KERBEROS_DIR/$PHP_LIBDIR, $1)
      PHP_ADD_LIBRARY(gssapi_krb5, 1, $1)
      PHP_ADD_LIBRARY(krb5, 1, $1)
      PHP_ADD_LIBRARY(k5crypto, 1, $1)
      PHP_ADD_LIBRARY(com_err,  1, $1)
      PHP_ADD_INCLUDE($PHP_KERBEROS_DIR/include)
    fi
  fi

  if test "$found_kerberos" = "yes"; then
ifelse([$2],[],:,[$2])
ifelse([$3],[],,[else $3])
  fi
])

dnl 
dnl PHP_SETUP_OPENSSL(shared-add [, action-found [, action-not-found]])
dnl
dnl Common setup macro for openssl
dnl
AC_DEFUN([PHP_SETUP_OPENSSL],[
  found_openssl=no
  unset OPENSSL_INCDIR
  unset OPENSSL_LIBDIR

  dnl Empty variable means 'no'
  test -z "$PHP_OPENSSL" && PHP_OPENSSL=no
  test -z "$PHP_IMAP_SSL" && PHP_IMAP_SSL=no

  dnl Fallbacks for different configure options
  if test "$PHP_OPENSSL" != "no"; then
    PHP_OPENSSL_DIR=$PHP_OPENSSL
  elif test "$PHP_IMAP_SSL" != "no"; then
    PHP_OPENSSL_DIR=$PHP_IMAP_SSL
  fi

  dnl First try to find pkg-config
  if test -z "$PKG_CONFIG"; then
    AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  fi

  dnl If pkg-config is found try using it
  if test "$PHP_OPENSSL_DIR" = "yes" && test -x "$PKG_CONFIG" && $PKG_CONFIG --exists openssl; then
    if $PKG_CONFIG --atleast-version=0.9.6 openssl; then
      found_openssl=yes
      OPENSSL_LIBS=`$PKG_CONFIG --libs openssl`
      OPENSSL_INCS=`$PKG_CONFIG --cflags-only-I openssl`
      OPENSSL_INCDIR=`$PKG_CONFIG --variable=includedir openssl`
    else
      AC_MSG_ERROR([OpenSSL version 0.9.6 or greater required.])
    fi

    if test -n "$OPENSSL_LIBS"; then
      PHP_EVAL_LIBLINE($OPENSSL_LIBS, $1)
    fi
    if test -n "$OPENSSL_INCS"; then
      PHP_EVAL_INCLINE($OPENSSL_INCS)
    fi
  fi

  dnl If pkg-config fails for some reason, revert to the old method
  if test "$found_openssl" = "no"; then
  
    if test "$PHP_OPENSSL_DIR" = "yes"; then
      PHP_OPENSSL_DIR="/usr/local/ssl /usr/local /usr /usr/local/openssl"
    fi

    for i in $PHP_OPENSSL_DIR; do
      if test -r $i/include/openssl/evp.h; then
        OPENSSL_INCDIR=$i/include
      fi
      if test -r $i/$PHP_LIBDIR/libssl.a -o -r $i/$PHP_LIBDIR/libssl.$SHLIB_SUFFIX_NAME; then
        OPENSSL_LIBDIR=$i/$PHP_LIBDIR
      fi
      test -n "$OPENSSL_INCDIR" && test -n "$OPENSSL_LIBDIR" && break
    done

    if test -z "$OPENSSL_INCDIR"; then
      AC_MSG_ERROR([Cannot find OpenSSL's <evp.h>])
    fi

    if test -z "$OPENSSL_LIBDIR"; then
      AC_MSG_ERROR([Cannot find OpenSSL's libraries])
    fi

    old_CPPFLAGS=$CPPFLAGS
    CPPFLAGS=-I$OPENSSL_INCDIR
    AC_MSG_CHECKING([for OpenSSL version])
    AC_EGREP_CPP(yes,[
#include <openssl/opensslv.h>
#if OPENSSL_VERSION_NUMBER >= 0x0090600fL
  yes
#endif
    ],[
      AC_MSG_RESULT([>= 0.9.6])
    ],[
      AC_MSG_ERROR([OpenSSL version 0.9.6 or greater required.])
    ])
    CPPFLAGS=$old_CPPFLAGS

    PHP_ADD_INCLUDE($OPENSSL_INCDIR)
  
    PHP_CHECK_LIBRARY(crypto, CRYPTO_free, [
      PHP_ADD_LIBRARY(crypto,,$1)
    ],[
      AC_MSG_ERROR([libcrypto not found!])
    ],[
      -L$OPENSSL_LIBDIR
    ])

    old_LIBS=$LIBS
    LIBS="$LIBS -lcrypto"
    PHP_CHECK_LIBRARY(ssl, SSL_CTX_set_ssl_version, [
      found_openssl=yes
    ],[
      AC_MSG_ERROR([libssl not found!])
    ],[
      -L$OPENSSL_LIBDIR
    ])
    LIBS=$old_LIBS
    PHP_ADD_LIBRARY(ssl,,$1)
    PHP_ADD_LIBRARY(crypto,,$1)

    PHP_ADD_LIBPATH($OPENSSL_LIBDIR, $1)
  fi

  if test "$found_openssl" = "yes"; then
  dnl For apache 1.3.x static build
  OPENSSL_INCDIR_OPT=-I$OPENSSL_INCDIR
  AC_SUBST(OPENSSL_INCDIR_OPT)

ifelse([$2],[],:,[$2])
ifelse([$3],[],,[else $3])
  fi
])

dnl 
dnl PHP_SETUP_ICONV(shared-add [, action-found [, action-not-found]])
dnl
dnl Common setup macro for iconv
dnl
AC_DEFUN([PHP_SETUP_ICONV], [
  found_iconv=no
  unset ICONV_DIR

  # Create the directories for a VPATH build:
  $php_shtool mkdir -p ext/iconv

  echo > ext/iconv/php_have_bsd_iconv.h
  echo > ext/iconv/php_have_ibm_iconv.h
  echo > ext/iconv/php_have_glibc_iconv.h
  echo > ext/iconv/php_have_libiconv.h
  echo > ext/iconv/php_have_iconv.h
  echo > ext/iconv/php_php_iconv_impl.h
  echo > ext/iconv/php_iconv_aliased_libiconv.h
  echo > ext/iconv/php_php_iconv_h_path.h
  echo > ext/iconv/php_iconv_supports_errno.h

  dnl
  dnl Check libc first if no path is provided in --with-iconv
  dnl

  if test "$PHP_ICONV" = "yes"; then
    dnl Reset LIBS temporarily as it may have already been included
    dnl -liconv in.
    LIBS_save="$LIBS"
    LIBS=
    AC_CHECK_FUNC(iconv, [
      found_iconv=yes
    ],[
      AC_CHECK_FUNC(libiconv,[
        PHP_DEFINE(HAVE_LIBICONV,1,[ext/iconv])
        AC_DEFINE(HAVE_LIBICONV, 1, [ ])
        found_iconv=yes
      ])
    ])
    LIBS="$LIBS_save"
  fi

  dnl
  dnl Check external libs for iconv funcs
  dnl
  if test "$found_iconv" = "no"; then

    for i in $PHP_ICONV /usr/local /usr; do
      if test -r $i/include/giconv.h; then
        AC_DEFINE(HAVE_GICONV_H, 1, [ ])
        ICONV_DIR=$i
        iconv_lib_name=giconv
        break
      elif test -r $i/include/iconv.h; then
        ICONV_DIR=$i
        iconv_lib_name=iconv
        break
      fi
    done

    if test -z "$ICONV_DIR"; then
      AC_MSG_ERROR([Please specify the install prefix of iconv with --with-iconv=<DIR>])
    fi
  
    if test -f $ICONV_DIR/$PHP_LIBDIR/lib$iconv_lib_name.a ||
       test -f $ICONV_DIR/$PHP_LIBDIR/lib$iconv_lib_name.$SHLIB_SUFFIX_NAME
    then
      PHP_CHECK_LIBRARY($iconv_lib_name, libiconv, [
        found_iconv=yes
        PHP_DEFINE(HAVE_LIBICONV,1,[ext/iconv])
        AC_DEFINE(HAVE_LIBICONV,1,[ ])
        PHP_DEFINE([ICONV_ALIASED_LIBICONV],1,[ext/iconv])
        AC_DEFINE([ICONV_ALIASED_LIBICONV],1,[iconv() is aliased to libiconv() in -liconv])
      ], [
        PHP_CHECK_LIBRARY($iconv_lib_name, iconv, [
          found_iconv=yes
        ], [], [
          -L$ICONV_DIR/$PHP_LIBDIR
        ])
      ], [
        -L$ICONV_DIR/$PHP_LIBDIR
      ])
    fi
  fi

  if test "$found_iconv" = "yes"; then
    PHP_DEFINE(HAVE_ICONV,1,[ext/iconv])
    AC_DEFINE(HAVE_ICONV,1,[ ])
    if test -n "$ICONV_DIR"; then
      PHP_ADD_LIBRARY_WITH_PATH($iconv_lib_name, $ICONV_DIR/$PHP_LIBDIR, $1)
      PHP_ADD_INCLUDE($ICONV_DIR/include)
    fi
    $2
ifelse([$3],[],,[else $3])
  fi
])

dnl 
dnl PHP_SETUP_LIBXML(shared-add [, action-found [, action-not-found]])
dnl
dnl Common setup macro for libxml
dnl
AC_DEFUN([PHP_SETUP_LIBXML], [
AC_CACHE_CHECK([for xml2-config path], ac_cv_php_xml2_config_path,
[
  for i in $PHP_LIBXML_DIR /usr/local /usr; do
    if test -x "$i/bin/xml2-config"; then
      ac_cv_php_xml2_config_path="$i/bin/xml2-config"
      break
    fi
  done
])

  if test -x "$ac_cv_php_xml2_config_path"; then
    XML2_CONFIG="$ac_cv_php_xml2_config_path"
    libxml_full_version=`$XML2_CONFIG --version`
    ac_IFS=$IFS
    IFS="."
    set $libxml_full_version
    IFS=$ac_IFS
    LIBXML_VERSION=`expr [$]1 \* 1000000 + [$]2 \* 1000 + [$]3`
    if test "$LIBXML_VERSION" -ge "2006011"; then
      LIBXML_LIBS=`$XML2_CONFIG --libs`
      LIBXML_INCS=`$XML2_CONFIG --cflags`
      PHP_EVAL_LIBLINE($LIBXML_LIBS, $1)
      PHP_EVAL_INCLINE($LIBXML_INCS)

      dnl Check that build works with given libs
      AC_CACHE_CHECK(whether libxml build works, php_cv_libxml_build_works, [
        PHP_TEST_BUILD(xmlInitParser,
        [
          php_cv_libxml_build_works=yes
        ], [
          AC_MSG_RESULT(no)
          AC_MSG_ERROR([build test failed.  Please check the config.log for details.])
        ], [
          [$]$1
        ])
      ])
      if test "$php_cv_libxml_build_works" = "yes"; then
        AC_DEFINE(HAVE_LIBXML, 1, [ ])
      fi
      $2
    else
      AC_MSG_ERROR([libxml2 version 2.6.11 or greater required.])
    fi
ifelse([$3],[],,[else $3])
  fi
])

dnl -------------------------------------------------------------------------
dnl Misc. macros
dnl -------------------------------------------------------------------------

dnl 
dnl PHP_INSTALL_HEADERS(path [, file ...])
dnl
dnl PHP header files to be installed
dnl
AC_DEFUN([PHP_INSTALL_HEADERS],[
  ifelse([$2],[],[
    for header_file in $1; do
      PHP_RUN_ONCE(INSTALLHEADERS, $header_file, [
        INSTALL_HEADERS="$INSTALL_HEADERS $header_file"
      ])
    done 
  ], [
    header_path=$1
    for header_file in $2; do
      hp_hf="$header_path/$header_file"
      PHP_RUN_ONCE(INSTALLHEADERS, $hp_hf, [
        INSTALL_HEADERS="$INSTALL_HEADERS $hp_hf"
      ])
    done 
  ])
])

dnl
dnl PHP_AP_EXTRACT_VERSION(/path/httpd)
dnl
dnl This macro is used to get a comparable
dnl version for apache1/2.
dnl
AC_DEFUN([PHP_AP_EXTRACT_VERSION],[
  ac_output=`$1 -v 2>&1 | grep version | $SED -e 's/Oracle-HTTP-//'`
  ac_IFS=$IFS
IFS="- /.
"
  set $ac_output
  IFS=$ac_IFS

  APACHE_VERSION=`expr [$]4 \* 1000000 + [$]5 \* 1000 + [$]6`
])

dnl
dnl PHP_DEBUG_MACRO(filename)
dnl 
AC_DEFUN([PHP_DEBUG_MACRO],[
  DEBUG_LOG=$1
  cat >$1 <<X
CONFIGURE:  $CONFIGURE_COMMAND
CC:         $CC
CFLAGS:     $CFLAGS
CPPFLAGS:   $CPPFLAGS
CXX:        $CXX
CXXFLAGS:   $CXXFLAGS
INCLUDES:   $INCLUDES
LDFLAGS:    $LDFLAGS
LIBS:       $LIBS
DLIBS:      $DLIBS
SAPI:       $PHP_SAPI
PHP_RPATHS: $PHP_RPATHS
uname -a:   `uname -a`

X
    cat >conftest.$ac_ext <<X
main()
{
  exit(0);
}
X
    (eval echo \"$ac_link\"; eval $ac_link && ./conftest) >>$1 2>&1
    rm -fr conftest*
])

dnl
dnl PHP_CONFIG_NICE(filename)
dnl
dnl Generates the config.nice file
dnl
AC_DEFUN([PHP_CONFIG_NICE],[
  AC_REQUIRE([AC_PROG_EGREP])
  AC_REQUIRE([LT_AC_PROG_SED])
  PHP_SUBST_OLD(EGREP)
  PHP_SUBST_OLD(SED)
  test -f $1 && mv $1 $1.old
  rm -f $1.old
  cat >$1<<EOF
#! /bin/sh
#
# Created by configure

EOF

  for var in CFLAGS CXXFLAGS CPPFLAGS LDFLAGS EXTRA_LDFLAGS_PROGRAM LIBS CC CXX; do
    eval val=\$$var
    if test -n "$val"; then
      echo "$var='$val' \\" >> $1
    fi
  done

  echo "'[$]0' \\" >> $1
  if test `expr -- [$]0 : "'.*"` = 0; then
    CONFIGURE_COMMAND="$CONFIGURE_COMMAND '[$]0'"
  else 
    CONFIGURE_COMMAND="$CONFIGURE_COMMAND [$]0"
  fi
  for arg in $ac_configure_args; do
    if test `expr -- $arg : "'.*"` = 0; then
      if test `expr -- $arg : "-.*"` = 0 && test `expr -- $arg : ".*=.*"` = 0; then
        continue;
      fi
      echo "'[$]arg' \\" >> $1
      CONFIGURE_OPTIONS="$CONFIGURE_OPTIONS '[$]arg'"
    else
      if test `expr -- $arg : "'-.*"` = 0 && test `expr -- $arg : "'.*=.*"` = 0; then
        continue;
      fi
      echo "[$]arg \\" >> $1
      CONFIGURE_OPTIONS="$CONFIGURE_OPTIONS [$]arg"
    fi
  done
  echo '"[$]@"' >> $1
  chmod +x $1
  CONFIGURE_COMMAND="$CONFIGURE_COMMAND $CONFIGURE_OPTIONS"
  PHP_SUBST_OLD(CONFIGURE_COMMAND)
  PHP_SUBST_OLD(CONFIGURE_OPTIONS)
])

dnl
dnl PHP_CHECK_CONFIGURE_OPTIONS
dnl
AC_DEFUN([PHP_CHECK_CONFIGURE_OPTIONS],[
  for arg in $ac_configure_args; do
    case $arg in
      --with-*[)]
        arg_name="`echo [$]arg | $SED -e 's/--with-/with-/g' -e 's/=.*//g'`"
        ;;
      --without-*[)]
        arg_name="`echo [$]arg | $SED -e 's/--without-/with-/g' -e 's/=.*//g'`"
        ;;
      --enable-*[)]
        arg_name="`echo [$]arg | $SED -e 's/--enable-/enable-/g' -e 's/=.*//g'`"
        ;;
      --disable-*[)]
        arg_name="`echo [$]arg | $SED -e 's/--disable-/enable-/g' -e 's/=.*//g'`"
        ;;
      *[)]
        continue
        ;;
    esac
    case $arg_name in
      # Allow --disable-all / --enable-all
      enable-all[)];;

      # Allow certain libtool options
      enable-libtool-lock | with-pic | with-tags | enable-shared | enable-static | enable-fast-install | with-gnu-ld[)];;

      # Allow certain TSRM options
      with-tsrm-pth | with-tsrm-st | with-tsrm-pthreads[)];;

      # Allow certain Zend options
      with-zend-vm | enable-maintainer-zts | enable-inline-optimization[)];;

      # All the rest must be set using the PHP_ARG_* macros
      # PHP_ARG_* macros set php_enable_<arg_name> or php_with_<arg_name>
      *[)]
        # Options that exist before PHP 6
        if test "$PHP_MAJOR_VERSION" -lt "6"; then
          case $arg_name in
            enable-zend-multibyte[)] continue;;
          esac 
        fi

        is_arg_set=php_[]`echo [$]arg_name | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ-' 'abcdefghijklmnopqrstuvwxyz_'`
        if eval test "x\$$is_arg_set" = "x"; then
          PHP_UNKNOWN_CONFIGURE_OPTIONS="$PHP_UNKNOWN_CONFIGURE_OPTIONS
[$]arg"
        fi
        ;;
    esac
  done
])

dnl
dnl PHP_CHECK_PDO_INCLUDES([found [, not-found]])
dnl
AC_DEFUN([PHP_CHECK_PDO_INCLUDES],[
  AC_CACHE_CHECK([for PDO includes], pdo_cv_inc_path, [
    AC_MSG_CHECKING([for PDO includes])
    if test -f $abs_srcdir/include/php/ext/pdo/php_pdo_driver.h; then
      pdo_cv_inc_path=$abs_srcdir/ext
    elif test -f $abs_srcdir/ext/pdo/php_pdo_driver.h; then
      pdo_cv_inc_path=$abs_srcdir/ext
    elif test -f $prefix/include/php/ext/pdo/php_pdo_driver.h; then
      pdo_cv_inc_path=$prefix/include/php/ext
    fi
  ])
  if test -n "$pdo_cv_inc_path"; then
ifelse([$1],[],:,[$1])
  else
ifelse([$2],[],[AC_MSG_ERROR([Cannot find php_pdo_driver.h.])],[$2])
  fi
])

dnl
dnl PHP_DETECT_ICC
dnl Detect Intel C++ Compiler and unset $GCC if ICC found
AC_DEFUN([PHP_DETECT_ICC],
[
  ICC="no"
  AC_MSG_CHECKING([for icc])
  AC_EGREP_CPP([^__INTEL_COMPILER], [__INTEL_COMPILER],
    ICC="no"
    AC_MSG_RESULT([no]),
    ICC="yes"
    GCC="no"
    AC_MSG_RESULT([yes])
  )
])

dnl PHP_DETECT_SUNCC
dnl Detect if the systems default compiler is suncc.
dnl We also set some useful CFLAGS if the user didn't set any
AC_DEFUN([PHP_DETECT_SUNCC],[
  SUNCC="no"
  AC_MSG_CHECKING([for suncc])
  AC_EGREP_CPP([^__SUNPRO_C], [__SUNPRO_C],
    SUNCC="no"
    AC_MSG_RESULT([no]),
    SUNCC="yes"
    GCC="no"
    test -n "$auto_cflags" && CFLAGS="-O -xs -xstrconst -zlazyload"
    GCC=""
    AC_MSG_RESULT([yes])
  )
])

dnl
dnl PHP_CRYPT_R_STYLE
dnl detect the style of crypt_r() is any is available
dnl see APR_CHECK_CRYPT_R_STYLE() for original version
dnl
AC_DEFUN([PHP_CRYPT_R_STYLE],
[
  AC_CACHE_CHECK([which data struct is used by crypt_r], php_cv_crypt_r_style,[
    php_cv_crypt_r_style=none
    AC_TRY_COMPILE([
#define _REENTRANT 1
#include <crypt.h>
],[
CRYPTD buffer;
crypt_r("passwd", "hash", &buffer);
], 
php_cv_crypt_r_style=cryptd)

    if test "$php_cv_crypt_r_style" = "none"; then
      AC_TRY_COMPILE([
#define _REENTRANT 1
#include <crypt.h>
],[
struct crypt_data buffer;
crypt_r("passwd", "hash", &buffer);
], 
php_cv_crypt_r_style=struct_crypt_data)
    fi

    if test "$php_cv_crypt_r_style" = "none"; then
      AC_TRY_COMPILE([
#define _REENTRANT 1
#define _GNU_SOURCE
#include <crypt.h>
],[
struct crypt_data buffer;
crypt_r("passwd", "hash", &buffer);
], 
php_cv_crypt_r_style=struct_crypt_data_gnu_source)
    fi
    ])

  if test "$php_cv_crypt_r_style" = "cryptd"; then
    AC_DEFINE(CRYPT_R_CRYPTD, 1, [Define if crypt_r has uses CRYPTD])
  fi
  if test "$php_cv_crypt_r_style" = "struct_crypt_data" -o "$php_cv_crypt_r_style" = "struct_crypt_data_gnu_source"; then
    AC_DEFINE(CRYPT_R_STRUCT_CRYPT_DATA, 1, [Define if crypt_r uses struct crypt_data])
  fi
  if test "$php_cv_crypt_r_style" = "struct_crypt_data_gnu_source"; then
    AC_DEFINE(CRYPT_R_GNU_SOURCE, 1, [Define if struct crypt_data requires _GNU_SOURCE])
  fi
  if test "$php_cv_crypt_r_style" = "none"; then
    AC_MSG_ERROR([Unable to detect data struct used by crypt_r])
  fi
])

dnl
dnl PHP_TEST_WRITE_STDOUT
dnl
AC_DEFUN([PHP_TEST_WRITE_STDOUT],[
  AC_CACHE_CHECK(whether writing to stdout works,ac_cv_write_stdout,[
    AC_TRY_RUN([
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif

#define TEXT "This is the test message -- "

main()
{
  int n;

  n = write(1, TEXT, sizeof(TEXT)-1);
  return (!(n == sizeof(TEXT)-1));
}
    ],[
      ac_cv_write_stdout=yes
    ],[
      ac_cv_write_stdout=no
    ],[
      ac_cv_write_stdout=no
    ])
  ])
  if test "$ac_cv_write_stdout" = "yes"; then
    AC_DEFINE(PHP_WRITE_STDOUT, 1, [whether write(2) works])
  fi
])

dnl
dnl PHP_INIT_DTRACE(providerdesc, header-file, sources [, module])
dnl
AC_DEFUN([PHP_INIT_DTRACE],[
dnl Set paths properly when called from extension
  case "$4" in
    ""[)] ac_srcdir="$abs_srcdir/"; unset ac_bdir;;
    /*[)] ac_srcdir=`echo "$4"|cut -c 2-`"/"; ac_bdir=$ac_srcdir;;
    *[)] ac_srcdir="$abs_srcdir/$1/"; ac_bdir="$4/";;
  esac

dnl providerdesc
  ac_provsrc=$1
  old_IFS=[$]IFS
  IFS=.
  set $ac_provsrc
  ac_provobj=[$]1
  IFS=$old_IFS

dnl header-file
  ac_hdrobj=$2

dnl Add providerdesc.o or .lo into global objects when needed
  case $host_alias in
  *freebsd*)
    PHP_GLOBAL_OBJS="[$]PHP_GLOBAL_OBJS [$]ac_bdir[$]ac_provsrc.o"
    PHP_LDFLAGS="$PHP_LDFLAGS -lelf"
    ;;
  *solaris*)
    PHP_GLOBAL_OBJS="[$]PHP_GLOBAL_OBJS [$]ac_bdir[$]ac_provsrc.lo"
    ;;
  *linux*)
    PHP_GLOBAL_OBJS="[$]PHP_GLOBAL_OBJS [$]ac_bdir[$]ac_provsrc.lo"
    ;;
  esac

dnl DTrace objects
  old_IFS=[$]IFS
  for ac_src in $3; do
    IFS=.
    set $ac_src
    ac_obj=[$]1
    IFS=$old_IFS

    PHP_DTRACE_OBJS="[$]PHP_DTRACE_OBJS [$]ac_bdir[$]ac_obj.lo"
  done;

  case [$]php_sapi_module in
  shared[)]
    for ac_lo in $PHP_DTRACE_OBJS; do
      dtrace_objs="[$]dtrace_objs `echo $ac_lo | $SED -e 's,\.lo$,.o,' -e 's#\(.*\)\/#\1\/.libs\/#'`"
    done;
    ;;
  *[)]
    dtrace_objs='$(PHP_DTRACE_OBJS:.lo=.o)'
    ;;
  esac

dnl Generate Makefile.objects entries
dnl The empty $ac_provsrc command stops an implicit circular dependency
dnl in GNU Make which causes the .d file to be overwritten (Bug 61268)
  cat>>Makefile.objects<<EOF

$abs_srcdir/$ac_provsrc:;

$ac_bdir[$]ac_hdrobj: $abs_srcdir/$ac_provsrc
	CFLAGS="\$(CFLAGS_CLEAN)" dtrace -h -C -s $ac_srcdir[$]ac_provsrc -o \$[]@.bak && \$(SED) -e 's,PHP_,DTRACE_,g' \$[]@.bak > \$[]@

\$(PHP_DTRACE_OBJS): $ac_bdir[$]ac_hdrobj

EOF

  case $host_alias in
  *solaris*|*linux*)
    dtrace_prov_name="`echo $ac_provsrc | $SED -e 's#\(.*\)\/##'`.o"
    dtrace_lib_dir="`echo $ac_bdir[$]ac_provsrc | $SED -e 's#\(.*\)/[^/]*#\1#'`/.libs"
    dtrace_d_obj="`echo $ac_bdir[$]ac_provsrc | $SED -e 's#\(.*\)/\([^/]*\)#\1/.libs/\2#'`.o"
    dtrace_nolib_objs='$(PHP_DTRACE_OBJS:.lo=.o)'
    for ac_lo in $PHP_DTRACE_OBJS; do
      dtrace_lib_objs="[$]dtrace_lib_objs `echo $ac_lo | $SED -e 's,\.lo$,.o,' -e 's#\(.*\)\/#\1\/.libs\/#'`"
    done;
dnl Always attempt to create both PIC and non-PIC DTrace objects (Bug 63692)
    cat>>Makefile.objects<<EOF
$ac_bdir[$]ac_provsrc.lo: \$(PHP_DTRACE_OBJS)
	echo "[#] Generated by Makefile for libtool" > \$[]@
	@test -d "$dtrace_lib_dir" || mkdir $dtrace_lib_dir
	if CFLAGS="\$(CFLAGS_CLEAN)" dtrace -G -o $dtrace_d_obj -s $abs_srcdir/$ac_provsrc $dtrace_lib_objs 2> /dev/null && test -f "$dtrace_d_obj"; then [\\]
	  echo "pic_object=['].libs/$dtrace_prov_name[']" >> \$[]@ [;\\]
	else [\\]
	  echo "pic_object='none'" >> \$[]@ [;\\]
	fi
	if CFLAGS="\$(CFLAGS_CLEAN)" dtrace -G -o $ac_bdir[$]ac_provsrc.o -s $abs_srcdir/$ac_provsrc $dtrace_nolib_objs 2> /dev/null && test -f "$ac_bdir[$]ac_provsrc.o"; then [\\]
	  echo "non_pic_object=[']$dtrace_prov_name[']" >> \$[]@ [;\\]
	else [\\]
	  echo "non_pic_object='none'" >> \$[]@ [;\\]
	fi

EOF

    ;;
  *)
cat>>Makefile.objects<<EOF
$ac_bdir[$]ac_provsrc.o: \$(PHP_DTRACE_OBJS)
	CFLAGS="\$(CFLAGS_CLEAN)" dtrace -G -o \$[]@ -s $abs_srcdir/$ac_provsrc $dtrace_objs

EOF
    ;;
  esac
])

dnl
dnl PHP_CHECK_STDINT_TYPES
dnl
AC_DEFUN([PHP_CHECK_STDINT_TYPES], [
  AC_CHECK_SIZEOF([short], 2)
  AC_CHECK_SIZEOF([int], 4)
  AC_CHECK_SIZEOF([long], 4)
  AC_CHECK_SIZEOF([long long], 8)
  AC_CHECK_TYPES([int8, int16, int32, int64, int8_t, int16_t, int32_t, int64_t, uint8, uint16, uint32, uint64, uint8_t, uint16_t, uint32_t, uint64_t, u_int8_t, u_int16_t, u_int32_t, u_int64_t], [], [], [
#if HAVE_STDINT_H
# include <stdint.h>
#endif
#if HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
  ])
  AC_DEFINE([PHP_HAVE_STDINT_TYPES], [1], [Checked for stdint types])
])
# libtool.m4 - Configure libtool for the host system. -*-Autoconf-*-
## Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2006, 2007,
## 2008  Free Software Foundation, Inc.
## Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
##
## This file is free software; the Free Software Foundation gives
## unlimited permission to copy and/or distribute it, with or without
## modifications, as long as this notice is preserved.

# serial 52 AC_PROG_LIBTOOL

ifdef([AC_ACVERSION],[
# autoconf 2.13 compatibility
# Set PATH_SEPARATOR variable
# ---------------------------------
# Find the correct PATH separator.  Usually this is :', but
# DJGPP uses ;' like DOS.
if test "X${PATH_SEPARATOR+set}" != Xset; then
  UNAME=${UNAME-`uname 2>/dev/null`}
  case X$UNAME in
    *-DOS) lt_cv_sys_path_separator=';' ;;
    *)     lt_cv_sys_path_separator=':' ;;
  esac
  PATH_SEPARATOR=$lt_cv_sys_path_separator
fi
])

# AC_PROVIDE_IFELSE(MACRO-NAME, IF-PROVIDED, IF-NOT-PROVIDED)
# -----------------------------------------------------------
# If this macro is not defined by Autoconf, define it here.
ifdef([AC_PROVIDE_IFELSE],
         [],
         [define([AC_PROVIDE_IFELSE],
	         [ifdef([AC_PROVIDE_$1],
		           [$2], [$3])])])

# AC_PROG_LIBTOOL
# ---------------
AC_DEFUN([AC_PROG_LIBTOOL],
[AC_REQUIRE([_AC_PROG_LIBTOOL])dnl
dnl If AC_PROG_CXX has already been expanded, run AC_LIBTOOL_CXX
dnl immediately, otherwise, hook it in at the end of AC_PROG_CXX.
  AC_PROVIDE_IFELSE([AC_PROG_CXX],
    [AC_LIBTOOL_CXX],
    [define([AC_PROG_CXX], defn([AC_PROG_CXX])[AC_LIBTOOL_CXX
  ])])
])# AC_PROG_LIBTOOL


# _AC_PROG_LIBTOOL
# ----------------
AC_DEFUN([_AC_PROG_LIBTOOL],
[AC_REQUIRE([AC_LIBTOOL_SETUP])dnl
AC_BEFORE([$0],[AC_LIBTOOL_CXX])dnl

# This can be used to rebuild libtool when needed
LIBTOOL_DEPS="$ac_aux_dir/ltmain.sh"

# Always use our own libtool.
LIBTOOL='$(SHELL) $(top_builddir)/libtool'
AC_SUBST(LIBTOOL)dnl

# Prevent multiple expansion
define([AC_PROG_LIBTOOL], [])
])# _AC_PROG_LIBTOOL


# AC_LIBTOOL_SETUP
# ----------------
AC_DEFUN([AC_LIBTOOL_SETUP],
[AC_PREREQ(2.13)dnl
AC_REQUIRE([AC_ENABLE_SHARED])dnl
AC_REQUIRE([AC_ENABLE_STATIC])dnl
AC_REQUIRE([AC_ENABLE_FAST_INSTALL])dnl
AC_REQUIRE([AC_CANONICAL_HOST])dnl
AC_REQUIRE([AC_CANONICAL_BUILD])dnl
AC_REQUIRE([AC_PROG_CC])dnl
AC_REQUIRE([AC_PROG_LD])dnl
AC_REQUIRE([AC_PROG_LD_RELOAD_FLAG])dnl
AC_REQUIRE([AC_PROG_NM])dnl

AC_REQUIRE([AC_PROG_LN_S])dnl
AC_REQUIRE([AC_DEPLIBS_CHECK_METHOD])dnl
# Autoconf 2.13's AC_OBJEXT and AC_EXEEXT macros only works for C compilers!
AC_REQUIRE([AC_OBJEXT])dnl
AC_REQUIRE([AC_EXEEXT])dnl
dnl
AC_LIBTOOL_SYS_MAX_CMD_LEN
AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE
AC_LIBTOOL_OBJDIR

AC_REQUIRE([_LT_AC_SYS_COMPILER])dnl
_LT_AC_PROG_ECHO_BACKSLASH

case $host_os in
aix3*)
  # AIX sometimes has problems with the GCC collect2 program.  For some
  # reason, if we set the COLLECT_NAMES environment variable, the problems
  # vanish in a puff of smoke.
  if test "X${COLLECT_NAMES+set}" != Xset; then
    COLLECT_NAMES=
    export COLLECT_NAMES
  fi
  ;;
esac

# Sed substitution that helps us do robust quoting.  It backslashifies
# metacharacters that are still active within double-quoted strings.
Xsed='sed -e 1s/^X//'
[sed_quote_subst='s/\([\\"\\`$\\\\]\)/\\\1/g']

# Same as above, but do not quote variable references.
[double_quote_subst='s/\([\\"\\`\\\\]\)/\\\1/g']

# Sed substitution to delay expansion of an escaped shell variable in a
# double_quote_subst'ed string.
delay_variable_subst='s/\\\\\\\\\\\$/\\\\\\$/g'

# Sed substitution to avoid accidental globbing in evaled expressions
no_glob_subst='s/\*/\\\*/g'

# Constants:
rm="rm -f"

# Global variables:
default_ofile=libtool
can_build_shared=yes

# All known linkers require a `.a' archive for static linking (except MSVC,
# which needs '.lib').
libext=a
ltmain="$ac_aux_dir/ltmain.sh"
ofile="$default_ofile"
with_gnu_ld="$lt_cv_prog_gnu_ld"

AC_CHECK_TOOL(AR, ar, false)
AC_CHECK_TOOL(RANLIB, ranlib, :)
AC_CHECK_TOOL(STRIP, strip, :)

old_CC="$CC"
old_CFLAGS="$CFLAGS"

# Set sane defaults for various variables
test -z "$AR" && AR=ar
test -z "$AR_FLAGS" && AR_FLAGS=cru
test -z "$AS" && AS=as
test -z "$CC" && CC=cc
test -z "$LTCC" && LTCC=$CC
test -z "$LTCFLAGS" && LTCFLAGS=$CFLAGS
test -z "$DLLTOOL" && DLLTOOL=dlltool
test -z "$LD" && LD=ld
test -z "$LN_S" && LN_S="ln -s"
test -z "$MAGIC_CMD" && MAGIC_CMD=file
test -z "$NM" && NM=nm
test -z "$SED" && SED=sed
test -z "$OBJDUMP" && OBJDUMP=objdump
test -z "$RANLIB" && RANLIB=:
test -z "$STRIP" && STRIP=:
test -z "$ac_objext" && ac_objext=o

# Determine commands to create old-style static archives.
old_archive_cmds='$AR $AR_FLAGS $oldlib$oldobjs'
old_postinstall_cmds='chmod 644 $oldlib'
old_postuninstall_cmds=

if test -n "$RANLIB"; then
  case $host_os in
  openbsd*)
    old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB -t \$oldlib"
    ;;
  *)
    old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB \$oldlib"
    ;;
  esac
  old_archive_cmds="$old_archive_cmds~\$RANLIB \$oldlib"
fi

_LT_CC_BASENAME([$compiler])

# Only perform the check for file, if the check method requires it
case $deplibs_check_method in
file_magic*)
  if test "$file_magic_cmd" = '$MAGIC_CMD'; then
    AC_PATH_MAGIC
  fi
  ;;
esac

_LT_REQUIRED_DARWIN_CHECKS

AC_PROVIDE_IFELSE([AC_LIBTOOL_DLOPEN], enable_dlopen=yes, enable_dlopen=no)
AC_PROVIDE_IFELSE([AC_LIBTOOL_WIN32_DLL],
enable_win32_dll=yes, enable_win32_dll=no)

AC_ARG_ENABLE([libtool-lock],
[  --disable-libtool-lock  Avoid locking (might break parallel builds)])
test "x$enable_libtool_lock" != xno && enable_libtool_lock=yes

AC_ARG_WITH([pic],
[  --with-pic              Try to use only PIC/non-PIC objects [default=use both]],
    [pic_mode="$withval"],
    [pic_mode=default])
test -z "$pic_mode" && pic_mode=default

# Use C for the default configuration in the libtool script
tagname=
AC_LIBTOOL_LANG_C_CONFIG
_LT_AC_TAGCONFIG
])# AC_LIBTOOL_SETUP


# _LT_AC_SYS_COMPILER
# -------------------
AC_DEFUN([_LT_AC_SYS_COMPILER],
[AC_REQUIRE([AC_PROG_CC])dnl

# If no C compiler was specified, use CC.
LTCC=${LTCC-"$CC"}

# If no C compiler flags were specified, use CFLAGS.
LTCFLAGS=${LTCFLAGS-"$CFLAGS"}

# Allow CC to be a program name with arguments.
compiler=$CC
])# _LT_AC_SYS_COMPILER


# _LT_CC_BASENAME(CC)
# -------------------
# Calculate cc_basename.  Skip known compiler wrappers and cross-prefix.
AC_DEFUN([_LT_CC_BASENAME],
[for cc_temp in $1""; do
  case $cc_temp in
    compile | *[[\\/]]compile | ccache | *[[\\/]]ccache ) ;;
    distcc | *[[\\/]]distcc | purify | *[[\\/]]purify ) ;;
    \-*) ;;
    *) break;;
  esac
done
cc_basename=`$echo "X$cc_temp" | $Xsed -e 's%.*/%%' -e "s%^$host_alias-%%"`
])


# _LT_COMPILER_BOILERPLATE
# ------------------------
# Check for compiler boilerplate output or warnings with
# the simple compiler test code.
AC_DEFUN([_LT_COMPILER_BOILERPLATE],
[AC_REQUIRE([LT_AC_PROG_SED])dnl
ac_outfile=conftest.$ac_objext
echo "$lt_simple_compile_test_code" >conftest.$ac_ext
eval "$ac_compile" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err
_lt_compiler_boilerplate=`cat conftest.err`
$rm conftest*
])# _LT_COMPILER_BOILERPLATE


# _LT_LINKER_BOILERPLATE
# ----------------------
# Check for linker boilerplate output or warnings with
# the simple link test code.
AC_DEFUN([_LT_LINKER_BOILERPLATE],
[AC_REQUIRE([LT_AC_PROG_SED])dnl
ac_outfile=conftest.$ac_objext
echo "$lt_simple_link_test_code" >conftest.$ac_ext
eval "$ac_link" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err
_lt_linker_boilerplate=`cat conftest.err`
$rm -r conftest*
])# _LT_LINKER_BOILERPLATE


dnl autoconf 2.13 compatibility
dnl _LT_AC_TRY_LINK()
AC_DEFUN(_LT_AC_TRY_LINK, [
cat > conftest.$ac_ext <<EOF
dnl This sometimes fails to find confdefs.h, for some reason.
dnl [#]line __oline__ "[$]0"
[#]line __oline__ "configure"
#include "confdefs.h"
int main() {
; return 0; }
EOF
if AC_TRY_EVAL(ac_link) && test -s conftest${ac_exeext}; then
 ifelse([$1], , :, [$1
  rm -rf conftest*])
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&6
ifelse([$2], , , [$2
  rm -rf conftest*
])dnl
fi
rm -f conftest*])

# _LT_REQUIRED_DARWIN_CHECKS
# --------------------------
# Check for some things on darwin
AC_DEFUN([_LT_REQUIRED_DARWIN_CHECKS],[
  case $host_os in
    rhapsody* | darwin*)
    AC_CHECK_TOOL([DSYMUTIL], [dsymutil], [:])
    AC_CHECK_TOOL([NMEDIT], [nmedit], [:])

    AC_CACHE_CHECK([for -single_module linker flag],[lt_cv_apple_cc_single_mod],
      [lt_cv_apple_cc_single_mod=no
      if test -z "${LT_MULTI_MODULE}"; then
   # By default we will add the -single_module flag. You can override
   # by either setting the environment variable LT_MULTI_MODULE
   # non-empty at configure time, or by adding -multi_module to the
   # link flags.
   echo "int foo(void){return 1;}" > conftest.c
   $LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \
     -dynamiclib ${wl}-single_module conftest.c
   if test -f libconftest.dylib; then
     lt_cv_apple_cc_single_mod=yes
     rm -rf libconftest.dylib*
   fi
   rm conftest.c
      fi])
    AC_CACHE_CHECK([for -exported_symbols_list linker flag],
      [lt_cv_ld_exported_symbols_list],
      [lt_cv_ld_exported_symbols_list=no
      save_LDFLAGS=$LDFLAGS
      echo "_main" > conftest.sym
      LDFLAGS="$LDFLAGS -Wl,-exported_symbols_list,conftest.sym"
      _LT_AC_TRY_LINK([lt_cv_ld_exported_symbols_list=yes],[lt_cv_ld_exported_symbols_list=no])
   LDFLAGS="$save_LDFLAGS"
    ])
    case $host_os in
    rhapsody* | darwin1.[[0123]])
      _lt_dar_allow_undefined='${wl}-undefined ${wl}suppress' ;;
    darwin1.*)
     _lt_dar_allow_undefined='${wl}-flat_namespace ${wl}-undefined ${wl}suppress' ;;
    darwin*)
      # if running on 10.5 or later, the deployment target defaults
      # to the OS version, if on x86, and 10.4, the deployment
      # target defaults to 10.4. Don't you love it?
      case ${MACOSX_DEPLOYMENT_TARGET-10.0},$host in
   10.0,*86*-darwin8*|10.0,*-darwin[[91]]*)
     _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;;
   10.[[012]]*)
     _lt_dar_allow_undefined='${wl}-flat_namespace ${wl}-undefined ${wl}suppress' ;;
   10.*)
     _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;;
      esac
    ;;
  esac
    if test "$lt_cv_apple_cc_single_mod" = "yes"; then
      _lt_dar_single_mod='$single_module'
    fi
    if test "$lt_cv_ld_exported_symbols_list" = "yes"; then
      _lt_dar_export_syms=' ${wl}-exported_symbols_list,$output_objdir/${libname}-symbols.expsym'
    else
      _lt_dar_export_syms="~$NMEDIT -s \$output_objdir/\${libname}-symbols.expsym \${lib}"
    fi
    if test "$DSYMUTIL" != ":"; then
      _lt_dsymutil="~$DSYMUTIL \$lib || :"
    else
      _lt_dsymutil=
    fi
    ;;
  esac
])

# _LT_AC_SYS_LIBPATH_AIX
# ----------------------
# Links a minimal program and checks the executable
# for the system default hardcoded library path. In most cases,
# this is /usr/lib:/lib, but when the MPI compilers are used
# the location of the communication and MPI libs are included too.
# If we don't find anything, use the default library path according
# to the aix ld manual.
AC_DEFUN([_LT_AC_SYS_LIBPATH_AIX],
[AC_REQUIRE([LT_AC_PROG_SED])dnl
_LT_AC_TRY_LINK([
lt_aix_libpath_sed='
    /Import File Strings/,/^$/ {
	/^0/ {
	    s/^0  *\(.*\)$/\1/
	    p
	}
    }'
aix_libpath=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
# Check for a 64-bit object if we didn't find anything.
if test -z "$aix_libpath"; then
  aix_libpath=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
fi],[])
if test -z "$aix_libpath"; then aix_libpath="/usr/lib:/lib"; fi
])# _LT_AC_SYS_LIBPATH_AIX


# _LT_AC_SHELL_INIT(ARG)
# ----------------------
AC_DEFUN([_LT_AC_SHELL_INIT],
[ifdef([AC_DIVERSION_NOTICE],
	     [AC_DIVERT_PUSH(AC_DIVERSION_NOTICE)],
	 [AC_DIVERT_PUSH(NOTICE)])
$1
AC_DIVERT_POP
])# _LT_AC_SHELL_INIT


# _LT_AC_PROG_ECHO_BACKSLASH
# --------------------------
# Add some code to the start of the generated configure script which
# will find an echo command which doesn't interpret backslashes.
AC_DEFUN([_LT_AC_PROG_ECHO_BACKSLASH],
[_LT_AC_SHELL_INIT([
# Check that we are running under the correct shell.
SHELL=${CONFIG_SHELL-/bin/sh}

case X$ECHO in
X*--fallback-echo)
  # Remove one level of quotation (which was required for Make).
  ECHO=`echo "$ECHO" | sed 's,\\\\\[$]\\[$]0,'[$]0','`
  ;;
esac

echo=${ECHO-echo}
if test "X[$]1" = X--no-reexec; then
  # Discard the --no-reexec flag, and continue.
  shift
elif test "X[$]1" = X--fallback-echo; then
  # Avoid inline document here, it may be left over
  :
elif test "X`($echo '\t') 2>/dev/null`" = 'X\t' ; then
  # Yippee, $echo works!
  :
else
  # Restart under the correct shell.
  exec $SHELL "[$]0" --no-reexec ${1+"[$]@"}
fi

if test "X[$]1" = X--fallback-echo; then
  # used as fallback echo
  shift
  cat <<EOF
[$]*
EOF
  exit 0
fi

# The HP-UX ksh and POSIX shell print the target directory to stdout
# if CDPATH is set.
(unset CDPATH) >/dev/null 2>&1 && unset CDPATH

if test -z "$ECHO"; then
if test "X${echo_test_string+set}" != Xset; then
# find a string as large as possible, as long as the shell can cope with it
  for cmd in 'sed 50q "[$]0"' 'sed 20q "[$]0"' 'sed 10q "[$]0"' 'sed 2q "[$]0"' 'echo test'; do
    # expected sizes: less than 2Kb, 1Kb, 512 bytes, 16 bytes, ...
    if (echo_test_string=`eval $cmd`) 2>/dev/null &&
       echo_test_string=`eval $cmd` &&
       (test "X$echo_test_string" = "X$echo_test_string") 2>/dev/null
    then
      break
    fi
  done
fi

if test "X`($echo '\t') 2>/dev/null`" = 'X\t' &&
   echo_testing_string=`($echo "$echo_test_string") 2>/dev/null` &&
   test "X$echo_testing_string" = "X$echo_test_string"; then
  :
else
  # The Solaris, AIX, and Digital Unix default echo programs unquote
  # backslashes.  This makes it impossible to quote backslashes using
  #   echo "$something" | sed 's/\\/\\\\/g'
  #
  # So, first we look for a working echo in the user's PATH.

  lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
  for dir in $PATH /usr/ucb; do
    IFS="$lt_save_ifs"
    if (test -f $dir/echo || test -f $dir/echo$ac_exeext) &&
       test "X`($dir/echo '\t') 2>/dev/null`" = 'X\t' &&
       echo_testing_string=`($dir/echo "$echo_test_string") 2>/dev/null` &&
       test "X$echo_testing_string" = "X$echo_test_string"; then
      echo="$dir/echo"
      break
    fi
  done
  IFS="$lt_save_ifs"

  if test "X$echo" = Xecho; then
    # We didn't find a better echo, so look for alternatives.
    if test "X`(print -r '\t') 2>/dev/null`" = 'X\t' &&
       echo_testing_string=`(print -r "$echo_test_string") 2>/dev/null` &&
       test "X$echo_testing_string" = "X$echo_test_string"; then
      # This shell has a builtin print -r that does the trick.
      echo='print -r'
    elif (test -f /bin/ksh || test -f /bin/ksh$ac_exeext) &&
	 test "X$CONFIG_SHELL" != X/bin/ksh; then
      # If we have ksh, try running configure again with it.
      ORIGINAL_CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
      export ORIGINAL_CONFIG_SHELL
      CONFIG_SHELL=/bin/ksh
      export CONFIG_SHELL
      exec $CONFIG_SHELL "[$]0" --no-reexec ${1+"[$]@"}
    else
      # Try using printf.
      echo='printf %s\n'
      if test "X`($echo '\t') 2>/dev/null`" = 'X\t' &&
	 echo_testing_string=`($echo "$echo_test_string") 2>/dev/null` &&
	 test "X$echo_testing_string" = "X$echo_test_string"; then
	# Cool, printf works
	:
      elif echo_testing_string=`($ORIGINAL_CONFIG_SHELL "[$]0" --fallback-echo '\t') 2>/dev/null` &&
	   test "X$echo_testing_string" = 'X\t' &&
	   echo_testing_string=`($ORIGINAL_CONFIG_SHELL "[$]0" --fallback-echo "$echo_test_string") 2>/dev/null` &&
	   test "X$echo_testing_string" = "X$echo_test_string"; then
	CONFIG_SHELL=$ORIGINAL_CONFIG_SHELL
	export CONFIG_SHELL
	SHELL="$CONFIG_SHELL"
	export SHELL
	echo="$CONFIG_SHELL [$]0 --fallback-echo"
      elif echo_testing_string=`($CONFIG_SHELL "[$]0" --fallback-echo '\t') 2>/dev/null` &&
	   test "X$echo_testing_string" = 'X\t' &&
	   echo_testing_string=`($CONFIG_SHELL "[$]0" --fallback-echo "$echo_test_string") 2>/dev/null` &&
	   test "X$echo_testing_string" = "X$echo_test_string"; then
	echo="$CONFIG_SHELL [$]0 --fallback-echo"
      else
	# maybe with a smaller string...
	prev=:

	for cmd in 'echo test' 'sed 2q "[$]0"' 'sed 10q "[$]0"' 'sed 20q "[$]0"' 'sed 50q "[$]0"'; do
	  if (test "X$echo_test_string" = "X`eval $cmd`") 2>/dev/null
	  then
	    break
	  fi
	  prev="$cmd"
	done

	if test "$prev" != 'sed 50q "[$]0"'; then
	  echo_test_string=`eval $prev`
	  export echo_test_string
	  exec ${ORIGINAL_CONFIG_SHELL-${CONFIG_SHELL-/bin/sh}} "[$]0" ${1+"[$]@"}
	else
	  # Oops.  We lost completely, so just stick with echo.
	  echo=echo
	fi
      fi
    fi
  fi
fi
fi

# Copy echo and quote the copy suitably for passing to libtool from
# the Makefile, instead of quoting the original, which is used later.
ECHO=$echo
if test "X$ECHO" = "X$CONFIG_SHELL [$]0 --fallback-echo"; then
   ECHO="$CONFIG_SHELL \\\$\[$]0 --fallback-echo"
fi

AC_SUBST(ECHO)
])])# _LT_AC_PROG_ECHO_BACKSLASH


# _LT_AC_LOCK
# -----------
AC_DEFUN([_LT_AC_LOCK],
[dnl
#AC_ARG_ENABLE([libtool-lock],
#[  --disable-libtool-lock  avoid locking (might break parallel builds)])
#test "x$enable_libtool_lock" != xno && enable_libtool_lock=yes

# Some flags need to be propagated to the compiler or linker for good
# libtool support.
case $host in
ia64-*-hpux*)
  # Find out which ABI we are using.
  echo 'int i;' > conftest.$ac_ext
  if AC_TRY_EVAL(ac_compile); then
    case `/usr/bin/file conftest.$ac_objext` in
    *ELF-32*)
      HPUX_IA64_MODE="32"
      ;;
    *ELF-64*)
      HPUX_IA64_MODE="64"
      ;;
    esac
  fi
  rm -rf conftest*
  ;;
*-*-irix6*)
  # Find out which ABI we are using.
  echo '[#]line __oline__ "configure"' > conftest.$ac_ext
  if AC_TRY_EVAL(ac_compile); then
   if test "$lt_cv_prog_gnu_ld" = yes; then
    case `/usr/bin/file conftest.$ac_objext` in
    *32-bit*)
      LD="${LD-ld} -melf32bsmip"
      ;;
    *N32*)
      LD="${LD-ld} -melf32bmipn32"
      ;;
    *64-bit*)
      LD="${LD-ld} -melf64bmip"
      ;;
    esac
   else
    case `/usr/bin/file conftest.$ac_objext` in
    *32-bit*)
      LD="${LD-ld} -32"
      ;;
    *N32*)
      LD="${LD-ld} -n32"
      ;;
    *64-bit*)
      LD="${LD-ld} -64"
      ;;
    esac
   fi
  fi
  rm -rf conftest*
  ;;

x86_64-*kfreebsd*-gnu|x86_64-*linux*|powerpc*-*linux*| \
s390*-*linux*|sparc*-*linux*)
  # Find out which ABI we are using.
  echo 'int i;' > conftest.$ac_ext
  if AC_TRY_EVAL(ac_compile); then
    case `/usr/bin/file conftest.o` in
    *32-bit*)
      case $host in
        x86_64-*kfreebsd*-gnu)
          LD="${LD-ld} -m elf_i386_fbsd"
          ;;
        x86_64-*linux*)
          LD="${LD-ld} -m elf_i386"
          ;;
        powerpc64le-*linux*)
          LD="${LD-ld} -m elf32lppclinux"
          ;;
        powerpc64-*linux*)
          LD="${LD-ld} -m elf32ppclinux"
          ;;
        s390x-*linux*)
          LD="${LD-ld} -m elf_s390"
          ;;
        sparc64-*linux*)
          LD="${LD-ld} -m elf32_sparc"
          ;;
      esac
      ;;
    *64-bit*)
      case $host in
        x86_64-*kfreebsd*-gnu)
          LD="${LD-ld} -m elf_x86_64_fbsd"
          ;;
        x86_64-*linux*)
          LD="${LD-ld} -m elf_x86_64"
          ;;
        powerpcle-*linux*)
          LD="${LD-ld} -m elf64lppc"
          ;;
        powerpc-*linux*)
          LD="${LD-ld} -m elf64ppc"
          ;;
        s390*-*linux*)
          LD="${LD-ld} -m elf64_s390"
          ;;
        sparc*-*linux*)
          LD="${LD-ld} -m elf64_sparc"
          ;;
      esac
      ;;
    esac
  fi
  rm -rf conftest*
  ;;

*-*-sco3.2v5*)
  # On SCO OpenServer 5, we need -belf to get full-featured binaries.
  SAVE_CFLAGS="$CFLAGS"
  CFLAGS="$CFLAGS -belf"
  AC_CACHE_CHECK([whether the C compiler needs -belf], lt_cv_cc_needs_belf,
    [AC_LANG_SAVE
     AC_LANG_C
     AC_TRY_LINK([],[],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no])
     AC_LANG_RESTORE])
  if test x"$lt_cv_cc_needs_belf" != x"yes"; then
    # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf
    CFLAGS="$SAVE_CFLAGS"
  fi
  ;;
sparc*-*solaris*)
  # Find out which ABI we are using.
  echo 'int i;' > conftest.$ac_ext
  if AC_TRY_EVAL(ac_compile); then
    case `/usr/bin/file conftest.o` in
    *64-bit*)
      case $lt_cv_prog_gnu_ld in
      yes*) LD="${LD-ld} -m elf64_sparc" ;;
      *)
        if ${LD-ld} -64 -r -o conftest2.o conftest.o >/dev/null 2>&1; then
	  LD="${LD-ld} -64"
	fi
	;;
      esac
      ;;
    esac
  fi
  rm -rf conftest*
  ;;

AC_PROVIDE_IFELSE([AC_LIBTOOL_WIN32_DLL],
[*-*-cygwin* | *-*-mingw* | *-*-pw32*)
  AC_CHECK_TOOL(DLLTOOL, dlltool, false)
  AC_CHECK_TOOL(AS, as, false)
  AC_CHECK_TOOL(OBJDUMP, objdump, false)
  ;;
  ])
esac

need_locks="$enable_libtool_lock"

])# _LT_AC_LOCK


# AC_LIBTOOL_COMPILER_OPTION(MESSAGE, VARIABLE-NAME, FLAGS,
#		[OUTPUT-FILE], [ACTION-SUCCESS], [ACTION-FAILURE])
# ----------------------------------------------------------------
# Check whether the given compiler option works
AC_DEFUN([AC_LIBTOOL_COMPILER_OPTION],
[AC_REQUIRE([LT_AC_PROG_SED])
AC_CACHE_CHECK([$1], [$2],
  [$2=no
  ifelse([$4], , [ac_outfile=conftest.$ac_objext], [ac_outfile=$4])
   echo "$lt_simple_compile_test_code" > conftest.$ac_ext
   lt_compiler_flag="$3"
   # Insert the option either (1) after the last *FLAGS variable, or
   # (2) before a word containing "conftest.", or (3) at the end.
   # Note that $ac_compile itself does not contain backslashes and begins
   # with a dollar sign (not a hyphen), so the echo should work correctly.
   # The option is referenced via a variable to avoid confusing sed.
   lt_compile=`echo "$ac_compile" | $SED \
   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
   -e 's: [[^ ]]*conftest\.: $lt_compiler_flag&:; t' \
   -e 's:$: $lt_compiler_flag:'`
   (eval echo "\"configure:__oline__: $lt_compile\"" >&5)
   (eval "$lt_compile" 2>conftest.err)
   ac_status=$?
   cat conftest.err >&5
   echo "configure:__oline__: \$? = $ac_status" >&5
   if (exit $ac_status) && test -s "$ac_outfile"; then
     # The compiler can only warn and ignore the option if not recognized
     # So say no if there are warnings other than the usual output.
     $echo "X$_lt_compiler_boilerplate" | $Xsed -e '/^$/d' >conftest.exp
     $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
     if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then
       $2=yes
     fi
   fi
   $rm conftest*
])

if test x"[$]$2" = xyes; then
    ifelse([$5], , :, [$5])
else
    ifelse([$6], , :, [$6])
fi
])# AC_LIBTOOL_COMPILER_OPTION


# AC_LIBTOOL_LINKER_OPTION(MESSAGE, VARIABLE-NAME, FLAGS,
#                          [ACTION-SUCCESS], [ACTION-FAILURE])
# ------------------------------------------------------------
# Check whether the given compiler option works
AC_DEFUN([AC_LIBTOOL_LINKER_OPTION],
[AC_REQUIRE([LT_AC_PROG_SED])dnl
AC_CACHE_CHECK([$1], [$2],
  [$2=no
   save_LDFLAGS="$LDFLAGS"
   LDFLAGS="$LDFLAGS $3"
   echo "$lt_simple_link_test_code" > conftest.$ac_ext
   if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then
     # The linker can only warn and ignore the option if not recognized
     # So say no if there are warnings
     if test -s conftest.err; then
       # Append any errors to the config.log.
       cat conftest.err 1>&5
       $echo "X$_lt_linker_boilerplate" | $Xsed -e '/^$/d' > conftest.exp
       $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
       if diff conftest.exp conftest.er2 >/dev/null; then
         $2=yes
       fi
     else
       $2=yes
     fi
   fi
   $rm -r conftest*
   LDFLAGS="$save_LDFLAGS"
])

if test x"[$]$2" = xyes; then
    ifelse([$4], , :, [$4])
else
    ifelse([$5], , :, [$5])
fi
])# AC_LIBTOOL_LINKER_OPTION


# AC_LIBTOOL_SYS_MAX_CMD_LEN
# --------------------------
AC_DEFUN([AC_LIBTOOL_SYS_MAX_CMD_LEN],
[# find the maximum length of command line arguments
AC_MSG_CHECKING([the maximum length of command line arguments])
AC_CACHE_VAL([lt_cv_sys_max_cmd_len], [dnl
  i=0
  teststring="ABCD"

  case $build_os in
  msdosdjgpp*)
    # On DJGPP, this test can blow up pretty badly due to problems in libc
    # (any single argument exceeding 2000 bytes causes a buffer overrun
    # during glob expansion).  Even if it were fixed, the result of this
    # check would be larger than it should be.
    lt_cv_sys_max_cmd_len=12288;    # 12K is about right
    ;;

  gnu*)
    # Under GNU Hurd, this test is not required because there is
    # no limit to the length of command line arguments.
    # Libtool will interpret -1 as no limit whatsoever
    lt_cv_sys_max_cmd_len=-1;
    ;;

  cygwin* | mingw*)
    # On Win9x/ME, this test blows up -- it succeeds, but takes
    # about 5 minutes as the teststring grows exponentially.
    # Worse, since 9x/ME are not pre-emptively multitasking,
    # you end up with a "frozen" computer, even though with patience
    # the test eventually succeeds (with a max line length of 256k).
    # Instead, let's just punt: use the minimum linelength reported by
    # all of the supported platforms: 8192 (on NT/2K/XP).
    lt_cv_sys_max_cmd_len=8192;
    ;;

  amigaos*)
    # On AmigaOS with pdksh, this test takes hours, literally.
    # So we just punt and use a minimum line length of 8192.
    lt_cv_sys_max_cmd_len=8192;
    ;;

  netbsd* | freebsd* | openbsd* | darwin* | dragonfly*)
    # This has been around since 386BSD, at least.  Likely further.
    if test -x /sbin/sysctl; then
      lt_cv_sys_max_cmd_len=`/sbin/sysctl -n kern.argmax`
    elif test -x /usr/sbin/sysctl; then
      lt_cv_sys_max_cmd_len=`/usr/sbin/sysctl -n kern.argmax`
    else
      lt_cv_sys_max_cmd_len=65536	# usable default for all BSDs
    fi
    # And add a safety zone
    lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4`
    lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3`
    ;;

  interix*)
    # We know the value 262144 and hardcode it with a safety zone (like BSD)
    lt_cv_sys_max_cmd_len=196608
    ;;

  osf*)
    # Dr. Hans Ekkehard Plesser reports seeing a kernel panic running configure
    # due to this test when exec_disable_arg_limit is 1 on Tru64. It is not
    # nice to cause kernel panics so lets avoid the loop below.
    # First set a reasonable default.
    lt_cv_sys_max_cmd_len=16384
    #
    if test -x /sbin/sysconfig; then
      case `/sbin/sysconfig -q proc exec_disable_arg_limit` in
        *1*) lt_cv_sys_max_cmd_len=-1 ;;
      esac
    fi
    ;;
  sco3.2v5*)
    lt_cv_sys_max_cmd_len=102400
    ;;
  sysv5* | sco5v6* | sysv4.2uw2*)
    kargmax=`grep ARG_MAX /etc/conf/cf.d/stune 2>/dev/null`
    if test -n "$kargmax"; then
      lt_cv_sys_max_cmd_len=`echo $kargmax | sed 's/.*[[ 	]]//'`
    else
      lt_cv_sys_max_cmd_len=32768
    fi
    ;;
  *)
    lt_cv_sys_max_cmd_len=`(getconf ARG_MAX) 2> /dev/null`
    if test -n "$lt_cv_sys_max_cmd_len"; then
      lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4`
      lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3`
    else
      SHELL=${SHELL-${CONFIG_SHELL-/bin/sh}}
      while (test "X"`$SHELL [$]0 --fallback-echo "X$teststring" 2>/dev/null` \
	       = "XX$teststring") >/dev/null 2>&1 &&
	      new_result=`expr "X$teststring" : ".*" 2>&1` &&
	      lt_cv_sys_max_cmd_len=$new_result &&
	      test $i != 17 # 1/2 MB should be enough
      do
        i=`expr $i + 1`
        teststring=$teststring$teststring
      done
      teststring=
      # Add a significant safety factor because C++ compilers can tack on massive
      # amounts of additional arguments before passing them to the linker.
      # It appears as though 1/2 is a usable value.
      lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 2`
    fi
    ;;
  esac
])
if test -n $lt_cv_sys_max_cmd_len ; then
  AC_MSG_RESULT($lt_cv_sys_max_cmd_len)
else
  AC_MSG_RESULT(none)
fi
])# AC_LIBTOOL_SYS_MAX_CMD_LEN


# _LT_AC_CHECK_DLFCN
# ------------------
AC_DEFUN([_LT_AC_CHECK_DLFCN],
[AC_CHECK_HEADERS(dlfcn.h)dnl
])# _LT_AC_CHECK_DLFCN


# _LT_AC_TRY_DLOPEN_SELF (ACTION-IF-TRUE, ACTION-IF-TRUE-W-USCORE,
#                           ACTION-IF-FALSE, ACTION-IF-CROSS-COMPILING)
# ---------------------------------------------------------------------
AC_DEFUN([_LT_AC_TRY_DLOPEN_SELF],
[AC_REQUIRE([_LT_AC_CHECK_DLFCN])dnl
if test "$cross_compiling" = yes; then :
  [$4]
else
  lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
  lt_status=$lt_dlunknown
  cat > conftest.$ac_ext <<EOF
[#line __oline__ "configure"
#include "confdefs.h"

#if HAVE_DLFCN_H
#include <dlfcn.h>
#endif

#include <stdio.h>

#ifdef RTLD_GLOBAL
#  define LT_DLGLOBAL		RTLD_GLOBAL
#else
#  ifdef DL_GLOBAL
#    define LT_DLGLOBAL		DL_GLOBAL
#  else
#    define LT_DLGLOBAL		0
#  endif
#endif

/* We may have to define LT_DLLAZY_OR_NOW in the command line if we
   find out it does not work in some platform. */
#ifndef LT_DLLAZY_OR_NOW
#  ifdef RTLD_LAZY
#    define LT_DLLAZY_OR_NOW		RTLD_LAZY
#  else
#    ifdef DL_LAZY
#      define LT_DLLAZY_OR_NOW		DL_LAZY
#    else
#      ifdef RTLD_NOW
#        define LT_DLLAZY_OR_NOW	RTLD_NOW
#      else
#        ifdef DL_NOW
#          define LT_DLLAZY_OR_NOW	DL_NOW
#        else
#          define LT_DLLAZY_OR_NOW	0
#        endif
#      endif
#    endif
#  endif
#endif

#ifdef __cplusplus
extern "C" void exit (int);
#endif

void fnord() { int i=42;}
int main ()
{
  void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW);
  int status = $lt_dlunknown;

  if (self)
    {
      if (dlsym (self,"fnord"))       status = $lt_dlno_uscore;
      else if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore;
      /* dlclose (self); */
    }
  else
    puts (dlerror ());

    exit (status);
}]
EOF
  if AC_TRY_EVAL(ac_link) && test -s conftest${ac_exeext} 2>/dev/null; then
    (./conftest; exit; ) >&5 2>/dev/null
    lt_status=$?
    case x$lt_status in
      x$lt_dlno_uscore) $1 ;;
      x$lt_dlneed_uscore) $2 ;;
      x$lt_dlunknown|x*) $3 ;;
    esac
  else :
    # compilation failed
    $3
  fi
fi
rm -fr conftest*
])# _LT_AC_TRY_DLOPEN_SELF


# AC_LIBTOOL_DLOPEN_SELF
# ----------------------
AC_DEFUN([AC_LIBTOOL_DLOPEN_SELF],
[AC_REQUIRE([_LT_AC_CHECK_DLFCN])dnl
if test "x$enable_dlopen" != xyes; then
  enable_dlopen=unknown
  enable_dlopen_self=unknown
  enable_dlopen_self_static=unknown
else
  lt_cv_dlopen=no
  lt_cv_dlopen_libs=

  case $host_os in
  beos*)
    lt_cv_dlopen="load_add_on"
    lt_cv_dlopen_libs=
    lt_cv_dlopen_self=yes
    ;;

  mingw* | pw32*)
    lt_cv_dlopen="LoadLibrary"
    lt_cv_dlopen_libs=
   ;;

  cygwin*)
    lt_cv_dlopen="dlopen"
    lt_cv_dlopen_libs=
   ;;

  darwin*)
  # if libdl is installed we need to link against it
    AC_CHECK_LIB([dl], [dlopen],
		[lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl"],[
    lt_cv_dlopen="dyld"
    lt_cv_dlopen_libs=
    lt_cv_dlopen_self=yes
    ])
   ;;

  *)
    AC_CHECK_FUNC([shl_load],
	  [lt_cv_dlopen="shl_load"],
      [AC_CHECK_LIB([dld], [shl_load],
	    [lt_cv_dlopen="shl_load" lt_cv_dlopen_libs="-ldld"],
	[AC_CHECK_FUNC([dlopen],
	      [lt_cv_dlopen="dlopen"],
	  [AC_CHECK_LIB([dl], [dlopen],
		[lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl"],
	    [AC_CHECK_LIB([svld], [dlopen],
		  [lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-lsvld"],
	      [AC_CHECK_LIB([dld], [dld_link],
		    [lt_cv_dlopen="dld_link" lt_cv_dlopen_libs="-ldld"])
	      ])
	    ])
	  ])
	])
      ])
    ;;
  esac

  if test "x$lt_cv_dlopen" != xno; then
    enable_dlopen=yes
  else
    enable_dlopen=no
  fi

  case $lt_cv_dlopen in
  dlopen)
    save_CPPFLAGS="$CPPFLAGS"
    test "x$ac_cv_header_dlfcn_h" = xyes && CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H"

    save_LDFLAGS="$LDFLAGS"
    wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\"

    save_LIBS="$LIBS"
    LIBS="$lt_cv_dlopen_libs $LIBS"

    AC_CACHE_CHECK([whether a program can dlopen itself],
	  lt_cv_dlopen_self, [dnl
	  _LT_AC_TRY_DLOPEN_SELF(
	    lt_cv_dlopen_self=yes, lt_cv_dlopen_self=yes,
	    lt_cv_dlopen_self=no, lt_cv_dlopen_self=cross)
    ])

    if test "x$lt_cv_dlopen_self" = xyes; then
      wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $lt_prog_compiler_static\"
      AC_CACHE_CHECK([whether a statically linked program can dlopen itself],
    	  lt_cv_dlopen_self_static, [dnl
	  _LT_AC_TRY_DLOPEN_SELF(
	    lt_cv_dlopen_self_static=yes, lt_cv_dlopen_self_static=yes,
	    lt_cv_dlopen_self_static=no,  lt_cv_dlopen_self_static=cross)
      ])
    fi

    CPPFLAGS="$save_CPPFLAGS"
    LDFLAGS="$save_LDFLAGS"
    LIBS="$save_LIBS"
    ;;
  esac

  case $lt_cv_dlopen_self in
  yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;;
  *) enable_dlopen_self=unknown ;;
  esac

  case $lt_cv_dlopen_self_static in
  yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;;
  *) enable_dlopen_self_static=unknown ;;
  esac
fi
])# AC_LIBTOOL_DLOPEN_SELF


# AC_LIBTOOL_PROG_CC_C_O([TAGNAME])
# ---------------------------------
# Check to see if options -c and -o are simultaneously supported by compiler
AC_DEFUN([AC_LIBTOOL_PROG_CC_C_O],
[AC_REQUIRE([LT_AC_PROG_SED])dnl
AC_REQUIRE([_LT_AC_SYS_COMPILER])dnl
AC_CACHE_CHECK([if $compiler supports -c -o file.$ac_objext],
  [_LT_AC_TAGVAR(lt_cv_prog_compiler_c_o, $1)],
  [_LT_AC_TAGVAR(lt_cv_prog_compiler_c_o, $1)=no
   $rm -r conftest 2>/dev/null
   mkdir conftest
   cd conftest
   mkdir out
   echo "$lt_simple_compile_test_code" > conftest.$ac_ext

   lt_compiler_flag="-o out/conftest2.$ac_objext"
   # Insert the option either (1) after the last *FLAGS variable, or
   # (2) before a word containing "conftest.", or (3) at the end.
   # Note that $ac_compile itself does not contain backslashes and begins
   # with a dollar sign (not a hyphen), so the echo should work correctly.
   lt_compile=`echo "$ac_compile" | $SED \
   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
   -e 's: [[^ ]]*conftest\.: $lt_compiler_flag&:; t' \
   -e 's:$: $lt_compiler_flag:'`
   (eval echo "\"configure:__oline__: $lt_compile\"" >&5)
   (eval "$lt_compile" 2>out/conftest.err)
   ac_status=$?
   cat out/conftest.err >&5
   echo "configure:__oline__: \$? = $ac_status" >&5
   if (exit $ac_status) && test -s out/conftest2.$ac_objext
   then
     # The compiler can only warn and ignore the option if not recognized
     # So say no if there are warnings
     $echo "X$_lt_compiler_boilerplate" | $Xsed -e '/^$/d' > out/conftest.exp
     $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2
     if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then
       _LT_AC_TAGVAR(lt_cv_prog_compiler_c_o, $1)=yes
     fi
   fi
   chmod u+w . 2>&5
   $rm conftest*
   # SGI C++ compiler will create directory out/ii_files/ for
   # template instantiation
   test -d out/ii_files && $rm out/ii_files/* && rmdir out/ii_files
   $rm out/* && rmdir out
   cd ..
   rmdir conftest
   $rm conftest*
])
])# AC_LIBTOOL_PROG_CC_C_O


# AC_LIBTOOL_SYS_HARD_LINK_LOCKS([TAGNAME])
# -----------------------------------------
# Check to see if we can do hard links to lock some files if needed
AC_DEFUN([AC_LIBTOOL_SYS_HARD_LINK_LOCKS],
[AC_REQUIRE([_LT_AC_LOCK])dnl

hard_links="nottested"
if test "$_LT_AC_TAGVAR(lt_cv_prog_compiler_c_o, $1)" = no && test "$need_locks" != no; then
  # do not overwrite the value of need_locks provided by the user
  AC_MSG_CHECKING([if we can lock with hard links])
  hard_links=yes
  $rm conftest*
  ln conftest.a conftest.b 2>/dev/null && hard_links=no
  touch conftest.a
  ln conftest.a conftest.b 2>&5 || hard_links=no
  ln conftest.a conftest.b 2>/dev/null && hard_links=no
  AC_MSG_RESULT([$hard_links])
  if test "$hard_links" = no; then
    AC_MSG_WARN([\`$CC' does not support \`-c -o', so \`make -j' may be unsafe])
    need_locks=warn
  fi
else
  need_locks=no
fi
])# AC_LIBTOOL_SYS_HARD_LINK_LOCKS


# AC_LIBTOOL_OBJDIR
# -----------------
AC_DEFUN([AC_LIBTOOL_OBJDIR],
[AC_CACHE_CHECK([for objdir], [lt_cv_objdir],
[rm -f .libs 2>/dev/null
mkdir .libs 2>/dev/null
if test -d .libs; then
  lt_cv_objdir=.libs
else
  # MS-DOS does not allow filenames that begin with a dot.
  lt_cv_objdir=_libs
fi
rmdir .libs 2>/dev/null])
objdir=$lt_cv_objdir
])# AC_LIBTOOL_OBJDIR


# AC_LIBTOOL_PROG_LD_HARDCODE_LIBPATH([TAGNAME])
# ----------------------------------------------
# Check hardcoding attributes.
AC_DEFUN([AC_LIBTOOL_PROG_LD_HARDCODE_LIBPATH],
[AC_MSG_CHECKING([how to hardcode library paths into programs])
_LT_AC_TAGVAR(hardcode_action, $1)=
if test -n "$_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)" || \
   test -n "$_LT_AC_TAGVAR(runpath_var, $1)" || \
   test "X$_LT_AC_TAGVAR(hardcode_automatic, $1)" = "Xyes" ; then

  # We can hardcode non-existent directories.
  if test "$_LT_AC_TAGVAR(hardcode_direct, $1)" != no &&
     # If the only mechanism to avoid hardcoding is shlibpath_var, we
     # have to relink, otherwise we might link with an installed library
     # when we should be linking with a yet-to-be-installed one
     ## test "$_LT_AC_TAGVAR(hardcode_shlibpath_var, $1)" != no &&
     test "$_LT_AC_TAGVAR(hardcode_minus_L, $1)" != no; then
    # Linking always hardcodes the temporary library directory.
    _LT_AC_TAGVAR(hardcode_action, $1)=relink
  else
    # We can link without hardcoding, and we can hardcode nonexisting dirs.
    _LT_AC_TAGVAR(hardcode_action, $1)=immediate
  fi
else
  # We cannot hardcode anything, or else we can only hardcode existing
  # directories.
  _LT_AC_TAGVAR(hardcode_action, $1)=unsupported
fi
AC_MSG_RESULT([$_LT_AC_TAGVAR(hardcode_action, $1)])

if test "$_LT_AC_TAGVAR(hardcode_action, $1)" = relink; then
  # Fast installation is not supported
  enable_fast_install=no
elif test "$shlibpath_overrides_runpath" = yes ||
     test "$enable_shared" = no; then
  # Fast installation is not necessary
  enable_fast_install=needless
fi
])# AC_LIBTOOL_PROG_LD_HARDCODE_LIBPATH


# AC_LIBTOOL_SYS_LIB_STRIP
# ------------------------
AC_DEFUN([AC_LIBTOOL_SYS_LIB_STRIP],
[striplib=
old_striplib=
AC_MSG_CHECKING([whether stripping libraries is possible])
if test -n "$STRIP" && $STRIP -V 2>&1 | grep "GNU strip" >/dev/null; then
  test -z "$old_striplib" && old_striplib="$STRIP --strip-debug"
  test -z "$striplib" && striplib="$STRIP --strip-unneeded"
  AC_MSG_RESULT([yes])
else
# FIXME - insert some real tests, host_os isn't really good enough
  case $host_os in
   darwin*)
       if test -n "$STRIP" ; then
         striplib="$STRIP -x"
         old_striplib="$STRIP -S"
         AC_MSG_RESULT([yes])
       else
  AC_MSG_RESULT([no])
fi
       ;;
   *)
  AC_MSG_RESULT([no])
    ;;
  esac
fi
])# AC_LIBTOOL_SYS_LIB_STRIP


# AC_LIBTOOL_SYS_DYNAMIC_LINKER
# -----------------------------
# PORTME Fill in your ld.so characteristics
AC_DEFUN([AC_LIBTOOL_SYS_DYNAMIC_LINKER],
[AC_REQUIRE([LT_AC_PROG_SED])dnl
AC_MSG_CHECKING([dynamic linker characteristics])
library_names_spec=
libname_spec='lib$name'
soname_spec=
shrext_cmds=".so"
postinstall_cmds=
postuninstall_cmds=
finish_cmds=
finish_eval=
shlibpath_var=
shlibpath_overrides_runpath=unknown
version_type=none
dynamic_linker="$host_os ld.so"
sys_lib_dlsearch_path_spec="/lib /usr/lib"
ifelse($1,[],[
if test "$GCC" = yes; then
  case $host_os in
    darwin*) lt_awk_arg="/^libraries:/,/LR/" ;;
    *) lt_awk_arg="/^libraries:/" ;;
  esac
  lt_search_path_spec=`$CC -print-search-dirs | awk $lt_awk_arg | $SED -e "s/^libraries://" -e "s,=/,/,g"`
  if echo "$lt_search_path_spec" | grep ';' >/dev/null ; then
    # if the path contains ";" then we assume it to be the separator
    # otherwise default to the standard path separator (i.e. ":") - it is
    # assumed that no part of a normal pathname contains ";" but that should
    # okay in the real world where ";" in dirpaths is itself problematic.
    lt_search_path_spec=`echo "$lt_search_path_spec" | $SED -e 's/;/ /g'`
  else
    lt_search_path_spec=`echo "$lt_search_path_spec" | $SED  -e "s/$PATH_SEPARATOR/ /g"`
  fi
  # Ok, now we have the path, separated by spaces, we can step through it
  # and add multilib dir if necessary.
  lt_tmp_lt_search_path_spec=
  lt_multi_os_dir=`$CC $CPPFLAGS $CFLAGS $LDFLAGS -print-multi-os-directory 2>/dev/null`
  for lt_sys_path in $lt_search_path_spec; do
    if test -d "$lt_sys_path/$lt_multi_os_dir"; then
      lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path/$lt_multi_os_dir"
    else
      test -d "$lt_sys_path" && \
	lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path"
    fi
  done
  lt_search_path_spec=`echo $lt_tmp_lt_search_path_spec | awk '
BEGIN {RS=" "; FS="/|\n";} {
  lt_foo="";
  lt_count=0;
  for (lt_i = NF; lt_i > 0; lt_i--) {
    if ($lt_i != "" && $lt_i != ".") {
      if ($lt_i == "..") {
        lt_count++;
      } else {
        if (lt_count == 0) {
          lt_foo="/" $lt_i lt_foo;
        } else {
          lt_count--;
        }
      }
    }
  }
  if (lt_foo != "") { lt_freq[[lt_foo]]++; }
  if (lt_freq[[lt_foo]] == 1) { print lt_foo; }
}'`
  sys_lib_search_path_spec=`echo $lt_search_path_spec`
else
  sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib"
fi])
need_lib_prefix=unknown
hardcode_into_libs=no

# when you set need_version to no, make sure it does not cause -set_version
# flags to be left without arguments
need_version=unknown

case $host_os in
aix3*)
  version_type=linux
  library_names_spec='${libname}${release}${shared_ext}$versuffix $libname.a'
  shlibpath_var=LIBPATH

  # AIX 3 has no versioning support, so we append a major version to the name.
  soname_spec='${libname}${release}${shared_ext}$major'
  ;;

aix[[4-9]]*)
  version_type=linux
  need_lib_prefix=no
  need_version=no
  hardcode_into_libs=yes
  if test "$host_cpu" = ia64; then
    # AIX 5 supports IA64
    library_names_spec='${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext}$versuffix $libname${shared_ext}'
    shlibpath_var=LD_LIBRARY_PATH
  else
    # With GCC up to 2.95.x, collect2 would create an import file
    # for dependence libraries.  The import file would start with
    # the line `#! .'.  This would cause the generated library to
    # depend on `.', always an invalid library.  This was fixed in
    # development snapshots of GCC prior to 3.0.
    case $host_os in
      aix4 | aix4.[[01]] | aix4.[[01]].*)
      if { echo '#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 97)'
	   echo ' yes '
	   echo '#endif'; } | ${CC} -E - | grep yes > /dev/null; then
	:
      else
	can_build_shared=no
      fi
      ;;
    esac
    # AIX (on Power*) has no versioning support, so currently we can not hardcode correct
    # soname into executable. Probably we can add versioning support to
    # collect2, so additional links can be useful in future.
    if test "$aix_use_runtimelinking" = yes; then
      # If using run time linking (on AIX 4.2 or later) use lib<name>.so
      # instead of lib<name>.a to let people know that these are not
      # typical AIX shared libraries.
      library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
    else
      # We preserve .a as extension for shared libraries through AIX4.2
      # and later when we are not doing run time linking.
      library_names_spec='${libname}${release}.a $libname.a'
      soname_spec='${libname}${release}${shared_ext}$major'
    fi
    shlibpath_var=LIBPATH
  fi
  ;;

amigaos*)
  library_names_spec='$libname.ixlibrary $libname.a'
  # Create ${libname}_ixlibrary.a entries in /sys/libs.
  finish_eval='for lib in `ls $libdir/*.ixlibrary 2>/dev/null`; do libname=`$echo "X$lib" | $Xsed -e '\''s%^.*/\([[^/]]*\)\.ixlibrary$%\1%'\''`; test $rm /sys/libs/${libname}_ixlibrary.a; $show "cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a"; cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a || exit 1; done'
  ;;

beos*)
  library_names_spec='${libname}${shared_ext}'
  dynamic_linker="$host_os ld.so"
  shlibpath_var=LIBRARY_PATH
  ;;

bsdi[[45]]*)
  version_type=linux
  need_version=no
  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
  soname_spec='${libname}${release}${shared_ext}$major'
  finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir'
  shlibpath_var=LD_LIBRARY_PATH
  sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib"
  sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib"
  # the default ld.so.conf also contains /usr/contrib/lib and
  # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow
  # libtool to hard-code these into programs
  ;;

cygwin* | mingw* | pw32*)
  version_type=windows
  shrext_cmds=".dll"
  need_version=no
  need_lib_prefix=no

  case $GCC,$host_os in
  yes,cygwin* | yes,mingw* | yes,pw32*)
    library_names_spec='$libname.dll.a'
    # DLL is installed to $(libdir)/../bin by postinstall_cmds
    postinstall_cmds='base_file=`basename \${file}`~
      dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\${base_file}'\''i;echo \$dlname'\''`~
      dldir=$destdir/`dirname \$dlpath`~
      test -d \$dldir || mkdir -p \$dldir~
      $install_prog $dir/$dlname \$dldir/$dlname~
      chmod a+x \$dldir/$dlname'
    postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~
      dlpath=$dir/\$dldll~
       $rm \$dlpath'
    shlibpath_overrides_runpath=yes

    case $host_os in
    cygwin*)
      # Cygwin DLLs use 'cyg' prefix rather than 'lib'
      soname_spec='`echo ${libname} | sed -e 's/^lib/cyg/'``echo ${release} | $SED -e 's/[[.]]/-/g'`${versuffix}${shared_ext}'
      sys_lib_search_path_spec="/usr/lib /lib/w32api /lib /usr/local/lib"
      ;;
    mingw*)
      # MinGW DLLs use traditional 'lib' prefix
      soname_spec='${libname}`echo ${release} | $SED -e 's/[[.]]/-/g'`${versuffix}${shared_ext}'
      sys_lib_search_path_spec=`$CC -print-search-dirs | grep "^libraries:" | $SED -e "s/^libraries://" -e "s,=/,/,g"`
      if echo "$sys_lib_search_path_spec" | [grep ';[c-zC-Z]:/' >/dev/null]; then
        # It is most probably a Windows format PATH printed by
        # mingw gcc, but we are running on Cygwin. Gcc prints its search
        # path with ; separators, and with drive letters. We can handle the
        # drive letters (cygwin fileutils understands them), so leave them,
        # especially as we might pass files found there to a mingw objdump,
        # which wouldn't understand a cygwinified path. Ahh.
        sys_lib_search_path_spec=`echo "$sys_lib_search_path_spec" | $SED -e 's/;/ /g'`
      else
        sys_lib_search_path_spec=`echo "$sys_lib_search_path_spec" | $SED  -e "s/$PATH_SEPARATOR/ /g"`
      fi
      ;;
    pw32*)
      # pw32 DLLs use 'pw' prefix rather than 'lib'
      library_names_spec='`echo ${libname} | sed -e 's/^lib/pw/'``echo ${release} | $SED -e 's/[[.]]/-/g'`${versuffix}${shared_ext}'
      ;;
    esac
    ;;

  *)
    library_names_spec='${libname}`echo ${release} | $SED -e 's/[[.]]/-/g'`${versuffix}${shared_ext} $libname.lib'
    ;;
  esac
  dynamic_linker='Win32 ld.exe'
  # FIXME: first we should search . and the directory the executable is in
  shlibpath_var=PATH
  ;;

darwin* | rhapsody*)
  dynamic_linker="$host_os dyld"
  version_type=darwin
  need_lib_prefix=no
  need_version=no
  library_names_spec='${libname}${release}${versuffix}$shared_ext ${libname}${release}${major}$shared_ext ${libname}$shared_ext'
  soname_spec='${libname}${release}${major}$shared_ext'
  shlibpath_overrides_runpath=yes
  shlibpath_var=DYLD_LIBRARY_PATH
  shrext_cmds='`test .$module = .yes && echo .so || echo .dylib`'
  ifelse([$1], [],[
  sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/local/lib"]) 
  sys_lib_dlsearch_path_spec='/usr/local/lib /lib /usr/lib'
  ;;

dgux*)
  version_type=linux
  need_lib_prefix=no
  need_version=no
  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname$shared_ext'
  soname_spec='${libname}${release}${shared_ext}$major'
  shlibpath_var=LD_LIBRARY_PATH
  ;;

freebsd* | dragonfly*)
  # DragonFly does not have aout.  When/if they implement a new
  # versioning mechanism, adjust this.
  if test -x /usr/bin/objformat; then
    objformat=`/usr/bin/objformat`
  else
    case $host_os in
    freebsd[[123]].*) objformat=aout ;;
    *) objformat=elf ;;
    esac
  fi
  version_type=freebsd-$objformat
  case $version_type in
    freebsd-elf*)
      library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}'
      need_version=no
      need_lib_prefix=no
      ;;
    freebsd-*)
      library_names_spec='${libname}${release}${shared_ext}$versuffix $libname${shared_ext}$versuffix'
      need_version=yes
      ;;
  esac
  shlibpath_var=LD_LIBRARY_PATH
  case $host_os in
  freebsd2*)
    shlibpath_overrides_runpath=yes
    ;;
  freebsd3.[[01]]* | freebsdelf3.[[01]]*)
    shlibpath_overrides_runpath=yes
    hardcode_into_libs=yes
    ;;
  freebsd3.[[2-9]]* | freebsdelf3.[[2-9]]* | \
  freebsd4.[[0-5]] | freebsdelf4.[[0-5]] | freebsd4.1.1 | freebsdelf4.1.1)
    shlibpath_overrides_runpath=no
    hardcode_into_libs=yes
    ;;
  *) # from 4.6 on, and DragonFly
    shlibpath_overrides_runpath=yes
    hardcode_into_libs=yes
    ;;
  esac
  ;;

gnu*)
  version_type=linux
  need_lib_prefix=no
  need_version=no
  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}${major} ${libname}${shared_ext}'
  soname_spec='${libname}${release}${shared_ext}$major'
  shlibpath_var=LD_LIBRARY_PATH
  hardcode_into_libs=yes
  ;;

hpux9* | hpux10* | hpux11*)
  # Give a soname corresponding to the major version so that dld.sl refuses to
  # link against other versions.
  version_type=sunos
  need_lib_prefix=no
  need_version=no
  case $host_cpu in
  ia64*)
    shrext_cmds='.so'
    hardcode_into_libs=yes
    dynamic_linker="$host_os dld.so"
    shlibpath_var=LD_LIBRARY_PATH
    shlibpath_overrides_runpath=yes # Unless +noenvvar is specified.
    library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
    soname_spec='${libname}${release}${shared_ext}$major'
    if test "X$HPUX_IA64_MODE" = X32; then
      sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib"
    else
      sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64"
    fi
    sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
    ;;
   hppa*64*)
     shrext_cmds='.sl'
     hardcode_into_libs=yes
     dynamic_linker="$host_os dld.sl"
     shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH
     shlibpath_overrides_runpath=yes # Unless +noenvvar is specified.
     library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
     soname_spec='${libname}${release}${shared_ext}$major'
     sys_lib_search_path_spec="/usr/lib/pa20_64 /usr/ccs/lib/pa20_64"
     sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
     ;;
   *)
    shrext_cmds='.sl'
    dynamic_linker="$host_os dld.sl"
    shlibpath_var=SHLIB_PATH
    shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH
    library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
    soname_spec='${libname}${release}${shared_ext}$major'
    ;;
  esac
  # HP-UX runs *really* slowly unless shared libraries are mode 555.
  postinstall_cmds='chmod 555 $lib'
  ;;

interix[[3-9]]*)
  version_type=linux
  need_lib_prefix=no
  need_version=no
  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
  soname_spec='${libname}${release}${shared_ext}$major'
  dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)'
  shlibpath_var=LD_LIBRARY_PATH
  shlibpath_overrides_runpath=no
  hardcode_into_libs=yes
  ;;

irix5* | irix6* | nonstopux*)
  case $host_os in
    nonstopux*) version_type=nonstopux ;;
    *)
	if test "$lt_cv_prog_gnu_ld" = yes; then
		version_type=linux
	else
		version_type=irix
	fi ;;
  esac
  need_lib_prefix=no
  need_version=no
  soname_spec='${libname}${release}${shared_ext}$major'
  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext} $libname${shared_ext}'
  case $host_os in
  irix5* | nonstopux*)
    libsuff= shlibsuff=
    ;;
  *)
    case $LD in # libtool.m4 will add one of these switches to LD
    *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ")
      libsuff= shlibsuff= libmagic=32-bit;;
    *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ")
      libsuff=32 shlibsuff=N32 libmagic=N32;;
    *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ")
      libsuff=64 shlibsuff=64 libmagic=64-bit;;
    *) libsuff= shlibsuff= libmagic=never-match;;
    esac
    ;;
  esac
  shlibpath_var=LD_LIBRARY${shlibsuff}_PATH
  shlibpath_overrides_runpath=no
  sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}"
  sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}"
  hardcode_into_libs=yes
  ;;

# No shared lib support for Linux oldld, aout, or coff.
linux*oldld* | linux*aout* | linux*coff*)
  dynamic_linker=no
  ;;

# This must be Linux ELF.
linux* | k*bsd*-gnu)
  version_type=linux
  need_lib_prefix=no
  need_version=no
  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
  soname_spec='${libname}${release}${shared_ext}$major'
  finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir'
  shlibpath_var=LD_LIBRARY_PATH
  shlibpath_overrides_runpath=no
  # This implies no fast_install, which is unacceptable.
  # Some rework will be needed to allow for fast_install
  # before this can be enabled.
  hardcode_into_libs=yes

  # Append ld.so.conf contents to the search path
  if test -f /etc/ld.so.conf; then
    lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \[$]2)); skip = 1; } { if (!skip) print \[$]0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ 	]*hwcap[ 	]/d;s/[:,	]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;/^$/d' | tr '\n' ' '`
    sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra"
  fi

  # We used to test for /lib/ld.so.1 and disable shared libraries on
  # powerpc, because MkLinux only supported shared libraries with the
  # GNU dynamic linker.  Since this was broken with cross compilers,
  # most powerpc-linux boxes support dynamic linking these days and
  # people can always --disable-shared, the test was removed, and we
  # assume the GNU/Linux dynamic linker is in use.
  dynamic_linker='GNU/Linux ld.so'
  ;;

netbsd*)
  version_type=sunos
  need_lib_prefix=no
  need_version=no
  if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
    library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix'
    finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
    dynamic_linker='NetBSD (a.out) ld.so'
  else
    library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
    soname_spec='${libname}${release}${shared_ext}$major'
    dynamic_linker='NetBSD ld.elf_so'
  fi
  shlibpath_var=LD_LIBRARY_PATH
  shlibpath_overrides_runpath=yes
  hardcode_into_libs=yes
  ;;

newsos6)
  version_type=linux
  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
  shlibpath_var=LD_LIBRARY_PATH
  shlibpath_overrides_runpath=yes
  ;;

nto-qnx*)
  version_type=linux
  need_lib_prefix=no
  need_version=no
  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
  soname_spec='${libname}${release}${shared_ext}$major'
  shlibpath_var=LD_LIBRARY_PATH
  shlibpath_overrides_runpath=yes
  ;;

openbsd*)
  version_type=sunos
  sys_lib_dlsearch_path_spec="/usr/lib"
  need_lib_prefix=no
  # Some older versions of OpenBSD (3.3 at least) *do* need versioned libs.
  case $host_os in
    openbsd3.3 | openbsd3.3.*) need_version=yes ;;
    *)                         need_version=no  ;;
  esac
  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix'
  finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
  shlibpath_var=LD_LIBRARY_PATH
  if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
    case $host_os in
      openbsd2.[[89]] | openbsd2.[[89]].*)
	shlibpath_overrides_runpath=no
	;;
      *)
	shlibpath_overrides_runpath=yes
	;;
      esac
  else
    shlibpath_overrides_runpath=yes
  fi
  ;;

os2*)
  libname_spec='$name'
  shrext_cmds=".dll"
  need_lib_prefix=no
  library_names_spec='$libname${shared_ext} $libname.a'
  dynamic_linker='OS/2 ld.exe'
  shlibpath_var=LIBPATH
  ;;

osf3* | osf4* | osf5*)
  version_type=osf
  need_lib_prefix=no
  need_version=no
  soname_spec='${libname}${release}${shared_ext}$major'
  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
  shlibpath_var=LD_LIBRARY_PATH
  sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib"
  sys_lib_dlsearch_path_spec="$sys_lib_search_path_spec"
  ;;

rdos*)
  dynamic_linker=no
  ;;

solaris*)
  version_type=linux
  need_lib_prefix=no
  need_version=no
  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
  soname_spec='${libname}${release}${shared_ext}$major'
  shlibpath_var=LD_LIBRARY_PATH
  shlibpath_overrides_runpath=yes
  hardcode_into_libs=yes
  # ldd complains unless libraries are executable
  postinstall_cmds='chmod +x $lib'
  ;;

sunos4*)
  version_type=sunos
  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix'
  finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir'
  shlibpath_var=LD_LIBRARY_PATH
  shlibpath_overrides_runpath=yes
  if test "$with_gnu_ld" = yes; then
    need_lib_prefix=no
  fi
  need_version=yes
  ;;

sysv4 | sysv4.3*)
  version_type=linux
  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
  soname_spec='${libname}${release}${shared_ext}$major'
  shlibpath_var=LD_LIBRARY_PATH
  case $host_vendor in
    sni)
      shlibpath_overrides_runpath=no
      need_lib_prefix=no
      export_dynamic_flag_spec='${wl}-Blargedynsym'
      runpath_var=LD_RUN_PATH
      ;;
    siemens)
      need_lib_prefix=no
      ;;
    motorola)
      need_lib_prefix=no
      need_version=no
      shlibpath_overrides_runpath=no
      sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib'
      ;;
  esac
  ;;

sysv4*MP*)
  if test -d /usr/nec ;then
    version_type=linux
    library_names_spec='$libname${shared_ext}.$versuffix $libname${shared_ext}.$major $libname${shared_ext}'
    soname_spec='$libname${shared_ext}.$major'
    shlibpath_var=LD_LIBRARY_PATH
  fi
  ;;

sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
  version_type=freebsd-elf
  need_lib_prefix=no
  need_version=no
  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}'
  soname_spec='${libname}${release}${shared_ext}$major'
  shlibpath_var=LD_LIBRARY_PATH
  hardcode_into_libs=yes
  if test "$with_gnu_ld" = yes; then
    sys_lib_search_path_spec='/usr/local/lib /usr/gnu/lib /usr/ccs/lib /usr/lib /lib'
    shlibpath_overrides_runpath=no
  else
    sys_lib_search_path_spec='/usr/ccs/lib /usr/lib'
    shlibpath_overrides_runpath=yes
    case $host_os in
      sco3.2v5*)
        sys_lib_search_path_spec="$sys_lib_search_path_spec /lib"
	;;
    esac
  fi
  sys_lib_dlsearch_path_spec='/usr/lib'
  ;;

uts4*)
  version_type=linux
  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
  soname_spec='${libname}${release}${shared_ext}$major'
  shlibpath_var=LD_LIBRARY_PATH
  ;;

*)
  dynamic_linker=no
  ;;
esac
AC_MSG_RESULT([$dynamic_linker])
test "$dynamic_linker" = no && can_build_shared=no

AC_CACHE_VAL([lt_cv_sys_lib_search_path_spec],
[lt_cv_sys_lib_search_path_spec="$sys_lib_search_path_spec"])
sys_lib_search_path_spec="$lt_cv_sys_lib_search_path_spec"
AC_CACHE_VAL([lt_cv_sys_lib_dlsearch_path_spec],
[lt_cv_sys_lib_dlsearch_path_spec="$sys_lib_dlsearch_path_spec"])
sys_lib_dlsearch_path_spec="$lt_cv_sys_lib_dlsearch_path_spec"

variables_saved_for_relink="PATH $shlibpath_var $runpath_var"
if test "$GCC" = yes; then
  variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH"
fi
])# AC_LIBTOOL_SYS_DYNAMIC_LINKER


# _LT_AC_TAGCONFIG
# ----------------
AC_DEFUN([_LT_AC_TAGCONFIG],
[AC_REQUIRE([LT_AC_PROG_SED])dnl
AC_ARG_WITH([tags],
[  --with-tags[=TAGS]        Include additional configurations [automatic]
],
[tagnames="$withval"])

if test -f "$ltmain" && test -n "$tagnames"; then
  if test ! -f "${ofile}"; then
    AC_MSG_WARN([output file \`$ofile' does not exist])
  fi

  if test -z "$LTCC"; then
    eval "`$SHELL ${ofile} --config | grep '^LTCC='`"
    if test -z "$LTCC"; then
      AC_MSG_WARN([output file \`$ofile' does not look like a libtool script])
    else
      AC_MSG_WARN([using \`LTCC=$LTCC', extracted from \`$ofile'])
    fi
  fi
  if test -z "$LTCFLAGS"; then
    eval "`$SHELL ${ofile} --config | grep '^LTCFLAGS='`"
  fi

  # Extract list of available tagged configurations in $ofile.
  # Note that this assumes the entire list is on one line.
  available_tags=`grep "^available_tags=" "${ofile}" | $SED -e 's/available_tags=\(.*$\)/\1/' -e 's/\"//g'`

  lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
  for tagname in $tagnames; do
    IFS="$lt_save_ifs"
    # Check whether tagname contains only valid characters
    case `$echo "X$tagname" | $Xsed -e 's:[[-_ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890,/]]::g'` in
    "") ;;
    *)  AC_MSG_ERROR([invalid tag name: $tagname])
	;;
    esac

    if grep "^# ### BEGIN LIBTOOL TAG CONFIG: $tagname$" < "${ofile}" > /dev/null
    then
      AC_MSG_ERROR([tag name \"$tagname\" already exists])
    fi

    # Update the list of available tags.
    if test -n "$tagname"; then
      echo appending configuration tag \"$tagname\" to $ofile

      case $tagname in
      CXX)
	if test -n "$CXX" && ( test "X$CXX" != "Xno" &&
	    ( (test "X$CXX" = "Xg++" && `g++ -v >/dev/null 2>&1` ) ||
	    (test "X$CXX" != "Xg++"))) ; then
	  AC_LIBTOOL_LANG_CXX_CONFIG
	else
	  tagname=""
	fi
	;;

      *)
	AC_MSG_ERROR([Unsupported tag name: $tagname])
	;;
      esac

      # Append the new tag name to the list of available tags.
      if test -n "$tagname" ; then
      available_tags="$available_tags $tagname"
    fi
    fi
  done
  IFS="$lt_save_ifs"

  # Now substitute the updated list of available tags.
  if eval "sed -e 's/^available_tags=.*\$/available_tags=\"$available_tags\"/' \"$ofile\" > \"${ofile}T\""; then
    mv "${ofile}T" "$ofile"
    chmod +x "$ofile"
  else
    rm -f "${ofile}T"
    AC_MSG_ERROR([unable to update list of available tagged configurations.])
  fi
fi
])# _LT_AC_TAGCONFIG


# AC_LIBTOOL_DLOPEN
# -----------------
# enable checks for dlopen support
AC_DEFUN([AC_LIBTOOL_DLOPEN],
 [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])
])# AC_LIBTOOL_DLOPEN


# AC_LIBTOOL_WIN32_DLL
# --------------------
# declare package support for building win32 DLLs
AC_DEFUN([AC_LIBTOOL_WIN32_DLL],
[AC_BEFORE([$0], [AC_LIBTOOL_SETUP])
])# AC_LIBTOOL_WIN32_DLL


# AC_ENABLE_SHARED([DEFAULT])
# ---------------------------
# implement the --enable-shared flag
# DEFAULT is either `yes' or `no'.  If omitted, it defaults to `yes'.
AC_DEFUN([AC_ENABLE_SHARED],
[define([AC_ENABLE_SHARED_DEFAULT], ifelse($1, no, no, yes))dnl
AC_ARG_ENABLE([shared],
changequote(<<, >>)dnl
<<  --enable-shared[=PKGS]    Build shared libraries [default=>>AC_ENABLE_SHARED_DEFAULT],
changequote([, ])dnl
    [p=${PACKAGE-default}
    case $enableval in
    yes) enable_shared=yes ;;
    no) enable_shared=no ;;
    *)
      enable_shared=no
      # Look at the argument we got.  We use all the common list separators.
      lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
      for pkg in $enableval; do
	IFS="$lt_save_ifs"
	if test "X$pkg" = "X$p"; then
	  enable_shared=yes
	fi
      done
      IFS="$lt_save_ifs"
      ;;
    esac],
    [enable_shared=]AC_ENABLE_SHARED_DEFAULT)
])# AC_ENABLE_SHARED


# AC_DISABLE_SHARED
# -----------------
# set the default shared flag to --disable-shared
AC_DEFUN([AC_DISABLE_SHARED],
[AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
AC_ENABLE_SHARED(no)
])# AC_DISABLE_SHARED


# AC_ENABLE_STATIC([DEFAULT])
# ---------------------------
# implement the --enable-static flag
# DEFAULT is either `yes' or `no'.  If omitted, it defaults to `yes'.
AC_DEFUN([AC_ENABLE_STATIC],
[define([AC_ENABLE_STATIC_DEFAULT], ifelse($1, no, no, yes))dnl
AC_ARG_ENABLE([static],
changequote(<<, >>)dnl
<<  --enable-static[=PKGS]    Build static libraries [default=>>AC_ENABLE_STATIC_DEFAULT],
changequote([, ])dnl
    [p=${PACKAGE-default}
    case $enableval in
    yes) enable_static=yes ;;
    no) enable_static=no ;;
    *)
     enable_static=no
      # Look at the argument we got.  We use all the common list separators.
      lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
      for pkg in $enableval; do
	IFS="$lt_save_ifs"
	if test "X$pkg" = "X$p"; then
	  enable_static=yes
	fi
      done
      IFS="$lt_save_ifs"
      ;;
    esac],
    [enable_static=]AC_ENABLE_STATIC_DEFAULT)
])# AC_ENABLE_STATIC


# AC_DISABLE_STATIC
# -----------------
# set the default static flag to --disable-static
AC_DEFUN([AC_DISABLE_STATIC],
[AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
AC_ENABLE_STATIC(no)
])# AC_DISABLE_STATIC


# AC_ENABLE_FAST_INSTALL([DEFAULT])
# ---------------------------------
# implement the --enable-fast-install flag
# DEFAULT is either `yes' or `no'.  If omitted, it defaults to `yes'.
AC_DEFUN([AC_ENABLE_FAST_INSTALL],
[define([AC_ENABLE_FAST_INSTALL_DEFAULT], ifelse($1, no, no, yes))dnl
AC_ARG_ENABLE([fast-install],
changequote(<<, >>)dnl
<<  --enable-fast-install[=PKGS]
                          Optimize for fast installation [default=>>AC_ENABLE_FAST_INSTALL_DEFAULT],
changequote([, ])dnl
    [p=${PACKAGE-default}
    case $enableval in
    yes) enable_fast_install=yes ;;
    no) enable_fast_install=no ;;
    *)
      enable_fast_install=no
      # Look at the argument we got.  We use all the common list separators.
      lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
      for pkg in $enableval; do
	IFS="$lt_save_ifs"
	if test "X$pkg" = "X$p"; then
	  enable_fast_install=yes
	fi
      done
      IFS="$lt_save_ifs"
      ;;
    esac],
    [enable_fast_install=]AC_ENABLE_FAST_INSTALL_DEFAULT)
])# AC_ENABLE_FAST_INSTALL


# AC_DISABLE_FAST_INSTALL
# -----------------------
# set the default to --disable-fast-install
AC_DEFUN([AC_DISABLE_FAST_INSTALL],
[AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
AC_ENABLE_FAST_INSTALL(no)
])# AC_DISABLE_FAST_INSTALL


# AC_LIBTOOL_PICMODE([MODE])
# --------------------------
# implement the --with-pic flag
# MODE is either `yes' or `no'.  If omitted, it defaults to `both'.
AC_DEFUN([AC_LIBTOOL_PICMODE],
[AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
pic_mode=ifelse($#,1,$1,default)
])# AC_LIBTOOL_PICMODE


# AC_PROG_EGREP
# -------------
ifdef([AC_PROG_EGREP], [], [AC_DEFUN([AC_PROG_EGREP],
[AC_CACHE_CHECK([for egrep], [ac_cv_prog_egrep],
   [if echo a | (grep -E '(a|b)') >/dev/null 2>&1
    then ac_cv_prog_egrep='grep -E'
    else ac_cv_prog_egrep='egrep'
    fi])
 EGREP=$ac_cv_prog_egrep
 AC_SUBST([EGREP])
])])


# AC_PATH_TOOL_PREFIX
# -------------------
# find a file program which can recognize shared library
AC_DEFUN([AC_PATH_TOOL_PREFIX],
[AC_REQUIRE([AC_PROG_EGREP])dnl
AC_MSG_CHECKING([for $1])
AC_CACHE_VAL(lt_cv_path_MAGIC_CMD,
[case $MAGIC_CMD in
[[\\/*] |  ?:[\\/]*])
  lt_cv_path_MAGIC_CMD="$MAGIC_CMD" # Let the user override the test with a path.
  ;;
*)
  lt_save_MAGIC_CMD="$MAGIC_CMD"
  lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
dnl $ac_dummy forces splitting on constant user-supplied paths.
dnl POSIX.2 word splitting is done only on the output of word expansions,
dnl not every word.  This closes a longstanding sh security hole.
  ac_dummy="ifelse([$2], , $PATH, [$2])"
  for ac_dir in $ac_dummy; do
    IFS="$lt_save_ifs"
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$1; then
      lt_cv_path_MAGIC_CMD="$ac_dir/$1"
      if test -n "$file_magic_test_file"; then
	case $deplibs_check_method in
	"file_magic "*)
	  file_magic_regex=`expr "$deplibs_check_method" : "file_magic \(.*\)"`
	  MAGIC_CMD="$lt_cv_path_MAGIC_CMD"
	  if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null |
	    $EGREP "$file_magic_regex" > /dev/null; then
	    :
	  else
	    cat <<EOF 1>&2

*** Warning: the command libtool uses to detect shared libraries,
*** $file_magic_cmd, produces output that libtool cannot recognize.
*** The result is that libtool may fail to recognize shared libraries
*** as such.  This will affect the creation of libtool libraries that
*** depend on shared libraries, but programs linked with such libtool
*** libraries will work regardless of this problem.  Nevertheless, you
*** may want to report the problem to your system manager and/or to
*** bug-libtool@gnu.org

EOF
	  fi ;;
	esac
      fi
      break
    fi
  done
  IFS="$lt_save_ifs"
  MAGIC_CMD="$lt_save_MAGIC_CMD"
  ;;
esac])
MAGIC_CMD="$lt_cv_path_MAGIC_CMD"
if test -n "$MAGIC_CMD"; then
  AC_MSG_RESULT($MAGIC_CMD)
else
  AC_MSG_RESULT(no)
fi
])# AC_PATH_TOOL_PREFIX


# AC_PATH_MAGIC
# -------------
# find a file program which can recognize a shared library
AC_DEFUN([AC_PATH_MAGIC],
[AC_PATH_TOOL_PREFIX(${ac_tool_prefix}file, /usr/bin$PATH_SEPARATOR$PATH)
if test -z "$lt_cv_path_MAGIC_CMD"; then
  if test -n "$ac_tool_prefix"; then
    AC_PATH_TOOL_PREFIX(file, /usr/bin$PATH_SEPARATOR$PATH)
  else
    MAGIC_CMD=:
  fi
fi
])# AC_PATH_MAGIC


# AC_PROG_LD
# ----------
# find the pathname to the GNU or non-GNU linker
AC_DEFUN([AC_PROG_LD],
[AC_ARG_WITH([gnu-ld],
[  --with-gnu-ld           Assume the C compiler uses GNU ld [default=no]],
    [test "$withval" = no || with_gnu_ld=yes],
    [with_gnu_ld=no])
AC_REQUIRE([LT_AC_PROG_SED])dnl
AC_REQUIRE([AC_PROG_CC])dnl
AC_REQUIRE([AC_CANONICAL_HOST])dnl
AC_REQUIRE([AC_CANONICAL_BUILD])dnl
ac_prog=ld
if test "$GCC" = yes; then
  # Check if gcc -print-prog-name=ld gives a path.
  AC_MSG_CHECKING([for ld used by $CC])
  case $host in
  *-*-mingw*)
    # gcc leaves a trailing carriage return which upsets mingw
    ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;;
  *)
    ac_prog=`($CC -print-prog-name=ld) 2>&5` ;;
  esac
  case $ac_prog in
    # Accept absolute paths.
    [[\\/]]* | ?:[[\\/]]*)
      re_direlt='/[[^/]][[^/]]*/\.\./'
      # Canonicalize the pathname of ld
      ac_prog=`echo $ac_prog| $SED 's%\\\\%/%g'`
      while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do
	ac_prog=`echo $ac_prog| $SED "s%$re_direlt%/%"`
      done
      test -z "$LD" && LD="$ac_prog"
      ;;
  "")
    # If it fails, then pretend we aren't using GCC.
    ac_prog=ld
    ;;
  *)
    # If it is relative, then search for the first ld in PATH.
    with_gnu_ld=unknown
    ;;
  esac
elif test "$with_gnu_ld" = yes; then
  AC_MSG_CHECKING([for GNU ld])
else
  AC_MSG_CHECKING([for non-GNU ld])
fi
AC_CACHE_VAL(lt_cv_path_LD,
[if test -z "$LD"; then
  lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
  for ac_dir in $PATH; do
    IFS="$lt_save_ifs"
    test -z "$ac_dir" && ac_dir=.
    if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
      lt_cv_path_LD="$ac_dir/$ac_prog"
      # Check to see if the program is GNU ld.  I'd rather use --version,
      # but apparently some variants of GNU ld only accept -v.
      # Break only if it was the GNU/non-GNU ld that we prefer.
      case `"$lt_cv_path_LD" -v 2>&1 </dev/null` in
      *GNU* | *'with BFD'*)
	test "$with_gnu_ld" != no && break
	;;
      *)
	test "$with_gnu_ld" != yes && break
	;;
      esac
    fi
  done
  IFS="$lt_save_ifs"
else
  lt_cv_path_LD="$LD" # Let the user override the test with a path.
fi])
LD="$lt_cv_path_LD"
if test -n "$LD"; then
  AC_MSG_RESULT($LD)
else
  AC_MSG_RESULT(no)
fi
test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH])
AC_PROG_LD_GNU
])# AC_PROG_LD


# AC_PROG_LD_GNU
# --------------
AC_DEFUN([AC_PROG_LD_GNU],
[AC_REQUIRE([AC_PROG_EGREP])dnl
AC_CACHE_CHECK([if the linker ($LD) is GNU ld], lt_cv_prog_gnu_ld,
[# I'd rather use --version here, but apparently some GNU lds only accept -v.
case `$LD -v 2>&1 </dev/null` in
*GNU* | *'with BFD'*)
  lt_cv_prog_gnu_ld=yes
  ;;
*)
  lt_cv_prog_gnu_ld=no
  ;;
esac])
with_gnu_ld=$lt_cv_prog_gnu_ld
])# AC_PROG_LD_GNU


# AC_PROG_LD_RELOAD_FLAG
# ----------------------
# find reload flag for linker
#   -- PORTME Some linkers may need a different reload flag.
AC_DEFUN([AC_PROG_LD_RELOAD_FLAG],
[AC_CACHE_CHECK([for $LD option to reload object files],
  lt_cv_ld_reload_flag,
  [lt_cv_ld_reload_flag='-r'])
reload_flag=$lt_cv_ld_reload_flag
case $reload_flag in
"" | " "*) ;;
*) reload_flag=" $reload_flag" ;;
esac
reload_cmds='$LD$reload_flag -o $output$reload_objs'
case $host_os in
  darwin*)
    if test "$GCC" = yes; then
      reload_cmds='$LTCC $LTCFLAGS -nostdlib ${wl}-r -o $output$reload_objs'
    else
      reload_cmds='$LD$reload_flag -o $output$reload_objs'
    fi
    ;;
esac
])# AC_PROG_LD_RELOAD_FLAG


# AC_DEPLIBS_CHECK_METHOD
# -----------------------
# how to check for library dependencies
#  -- PORTME fill in with the dynamic library characteristics
AC_DEFUN([AC_DEPLIBS_CHECK_METHOD],
[AC_CACHE_CHECK([how to recognize dependent libraries],
lt_cv_deplibs_check_method,
[lt_cv_file_magic_cmd='$MAGIC_CMD'
lt_cv_file_magic_test_file=
lt_cv_deplibs_check_method='unknown'
# Need to set the preceding variable on all platforms that support
# interlibrary dependencies.
# 'none' -- dependencies not supported.
# `unknown' -- same as none, but documents that we really don't know.
# 'pass_all' -- all dependencies passed with no checks.
# 'test_compile' -- check by making test program.
# 'file_magic [[regex]]' -- check by looking for files in library path
# which responds to the $file_magic_cmd with a given extended regex.
# If you have `file' or equivalent on your system and you're not sure
# whether `pass_all' will *always* work, you probably want this one.

case $host_os in
aix[[4-9]]*)
  lt_cv_deplibs_check_method=pass_all
  ;;

beos*)
  lt_cv_deplibs_check_method=pass_all
  ;;

bsdi[[45]]*)
  lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (shared object|dynamic lib)'
  lt_cv_file_magic_cmd='/usr/bin/file -L'
  lt_cv_file_magic_test_file=/shlib/libc.so
  ;;

cygwin*)
  # func_win32_libid is a shell function defined in ltmain.sh
  lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL'
  lt_cv_file_magic_cmd='func_win32_libid'
  ;;

mingw* | pw32*)
  # Base MSYS/MinGW do not provide the 'file' command needed by
  # func_win32_libid shell function, so use a weaker test based on 'objdump',
  # unless we find 'file', for example because we are cross-compiling.
  if ( file / ) >/dev/null 2>&1; then
    lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL'
    lt_cv_file_magic_cmd='func_win32_libid'
  else
    lt_cv_deplibs_check_method='file_magic file format pei*-i386(.*architecture: i386)?'
    lt_cv_file_magic_cmd='$OBJDUMP -f'
  fi
  ;;

darwin* | rhapsody*)
  lt_cv_deplibs_check_method=pass_all
  ;;

freebsd* | dragonfly*)
  if echo __ELF__ | $CC -E - | grep __ELF__ > /dev/null; then
    case $host_cpu in
    i*86 )
      # Not sure whether the presence of OpenBSD here was a mistake.
      # Let's accept both of them until this is cleared up.
      lt_cv_deplibs_check_method='file_magic (FreeBSD|OpenBSD|DragonFly)/i[[3-9]]86 (compact )?demand paged shared library'
      lt_cv_file_magic_cmd=/usr/bin/file
      lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*`
      ;;
    esac
  else
    lt_cv_deplibs_check_method=pass_all
  fi
  ;;

gnu*)
  lt_cv_deplibs_check_method=pass_all
  ;;

hpux10.20* | hpux11*)
  lt_cv_file_magic_cmd=/usr/bin/file
  case $host_cpu in
  ia64*)
    lt_cv_deplibs_check_method='file_magic (s[[0-9]][[0-9]][[0-9]]|ELF-[[0-9]][[0-9]]) shared object file - IA64'
    lt_cv_file_magic_test_file=/usr/lib/hpux32/libc.so
    ;;
  hppa*64*)
    [lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF-[0-9][0-9]) shared object file - PA-RISC [0-9].[0-9]']
    lt_cv_file_magic_test_file=/usr/lib/pa20_64/libc.sl
    ;;
  *)
    lt_cv_deplibs_check_method='file_magic (s[[0-9]][[0-9]][[0-9]]|PA-RISC[[0-9]].[[0-9]]) shared library'
    lt_cv_file_magic_test_file=/usr/lib/libc.sl
    ;;
  esac
  ;;

interix[[3-9]]*)
  # PIC code is broken on Interix 3.x, that's why |\.a not |_pic\.a here
  lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so|\.a)$'
  ;;

irix5* | irix6* | nonstopux*)
  case $LD in
  *-32|*"-32 ") libmagic=32-bit;;
  *-n32|*"-n32 ") libmagic=N32;;
  *-64|*"-64 ") libmagic=64-bit;;
  *) libmagic=never-match;;
  esac
  lt_cv_deplibs_check_method=pass_all
  ;;

# This must be Linux ELF.
linux* | k*bsd*-gnu)
  lt_cv_deplibs_check_method=pass_all
  ;;

netbsd*)
  if echo __ELF__ | $CC -E - | grep __ELF__ > /dev/null; then
    lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|_pic\.a)$'
  else
    lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so|_pic\.a)$'
  fi
  ;;

newos6*)
  lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (executable|dynamic lib)'
  lt_cv_file_magic_cmd=/usr/bin/file
  lt_cv_file_magic_test_file=/usr/lib/libnls.so
  ;;

nto-qnx*)
  lt_cv_deplibs_check_method=unknown
  ;;

openbsd*)
  if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
    lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|\.so|_pic\.a)$'
  else
    lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|_pic\.a)$'
  fi
  ;;

osf3* | osf4* | osf5*)
  lt_cv_deplibs_check_method=pass_all
  ;;

rdos*)
  lt_cv_deplibs_check_method=pass_all
  ;;

solaris*)
  lt_cv_deplibs_check_method=pass_all
  ;;

sysv4 | sysv4.3*)
  case $host_vendor in
  motorola)
    lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (shared object|dynamic lib) M[[0-9]][[0-9]]* Version [[0-9]]'
    lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*`
    ;;
  ncr)
    lt_cv_deplibs_check_method=pass_all
    ;;
  sequent)
    lt_cv_file_magic_cmd='/bin/file'
    lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB (shared object|dynamic lib )'
    ;;
  sni)
    lt_cv_file_magic_cmd='/bin/file'
    lt_cv_deplibs_check_method="file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB dynamic lib"
    lt_cv_file_magic_test_file=/lib/libc.so
    ;;
  siemens)
    lt_cv_deplibs_check_method=pass_all
    ;;
  pc)
    lt_cv_deplibs_check_method=pass_all
    ;;
  esac
  ;;

sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
  lt_cv_deplibs_check_method=pass_all
  ;;
esac
])
file_magic_cmd=$lt_cv_file_magic_cmd
deplibs_check_method=$lt_cv_deplibs_check_method
test -z "$deplibs_check_method" && deplibs_check_method=unknown
])# AC_DEPLIBS_CHECK_METHOD


# AC_PROG_NM
# ----------
# find the pathname to a BSD-compatible name lister
AC_DEFUN([AC_PROG_NM],
[AC_CACHE_CHECK([for BSD-compatible nm], lt_cv_path_NM,
[if test -n "$NM"; then
  # Let the user override the test.
  lt_cv_path_NM="$NM"
else
  lt_nm_to_check="${ac_tool_prefix}nm"
  if test -n "$ac_tool_prefix" && test "$build" = "$host"; then
    lt_nm_to_check="$lt_nm_to_check nm"
  fi
  for lt_tmp_nm in $lt_nm_to_check; do
    lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
    for ac_dir in $PATH /usr/ccs/bin/elf /usr/ccs/bin /usr/ucb /bin; do
      IFS="$lt_save_ifs"
      test -z "$ac_dir" && ac_dir=.
      tmp_nm="$ac_dir/$lt_tmp_nm"
      if test -f "$tmp_nm" || test -f "$tmp_nm$ac_exeext" ; then
	# Check to see if the nm accepts a BSD-compat flag.
	# Adding the `sed 1q' prevents false positives on HP-UX, which says:
	#   nm: unknown option "B" ignored
	# Tru64's nm complains that /dev/null is an invalid object file
	case `"$tmp_nm" -B /dev/null 2>&1 | sed '1q'` in
	*/dev/null* | *'Invalid file or object type'*)
	  lt_cv_path_NM="$tmp_nm -B"
	  break
	  ;;
	*)
	  case `"$tmp_nm" -p /dev/null 2>&1 | sed '1q'` in
	  */dev/null*)
	    lt_cv_path_NM="$tmp_nm -p"
	    break
	    ;;
	  *)
	    lt_cv_path_NM=${lt_cv_path_NM="$tmp_nm"} # keep the first match, but
	    continue # so that we can try to find one that supports BSD flags
	    ;;
	  esac
	  ;;
	esac
      fi
    done
    IFS="$lt_save_ifs"
  done
  test -z "$lt_cv_path_NM" && lt_cv_path_NM=nm
fi])
NM="$lt_cv_path_NM"
])# AC_PROG_NM


# AC_CHECK_LIBM
# -------------
# check for math library
AC_DEFUN([AC_CHECK_LIBM],
[AC_REQUIRE([AC_CANONICAL_HOST])dnl
LIBM=
case $host in
*-*-beos* | *-*-cygwin* | *-*-pw32* | *-*-darwin*)
  # These system don't have libm, or don't need it
  ;;
*-ncr-sysv4.3*)
  AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM="-lmw")
  AC_CHECK_LIB(m, cos, LIBM="$LIBM -lm")
  ;;
*)
  AC_CHECK_LIB(m, cos, LIBM="-lm")
  ;;
esac
])# AC_CHECK_LIBM


# AC_LIBLTDL_CONVENIENCE([DIRECTORY])
# -----------------------------------
# sets LIBLTDL to the link flags for the libltdl convenience library and
# LTDLINCL to the include flags for the libltdl header and adds
# --enable-ltdl-convenience to the configure arguments.  Note that
# AC_CONFIG_SUBDIRS is not called here.  If DIRECTORY is not provided,
# it is assumed to be `libltdl'.  LIBLTDL will be prefixed with
# '${top_builddir}/' and LTDLINCL will be prefixed with '${top_srcdir}/'
# (note the single quotes!).  If your package is not flat and you're not
# using automake, define top_builddir and top_srcdir appropriately in
# the Makefiles.
AC_DEFUN([AC_LIBLTDL_CONVENIENCE],
[AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
  case $enable_ltdl_convenience in
  no) AC_MSG_ERROR([this package needs a convenience libltdl]) ;;
  "") enable_ltdl_convenience=yes
      ac_configure_args="$ac_configure_args --enable-ltdl-convenience" ;;
  esac
  LIBLTDL='${top_builddir}/'ifelse($#,1,[$1],['libltdl'])/libltdlc.la
  LTDLINCL='-I${top_srcdir}/'ifelse($#,1,[$1],['libltdl'])
  # For backwards non-gettext consistent compatibility...
  INCLTDL="$LTDLINCL"
])# AC_LIBLTDL_CONVENIENCE


# AC_LIBLTDL_INSTALLABLE([DIRECTORY])
# -----------------------------------
# sets LIBLTDL to the link flags for the libltdl installable library and
# LTDLINCL to the include flags for the libltdl header and adds
# --enable-ltdl-install to the configure arguments.  Note that
# AC_CONFIG_SUBDIRS is not called here.  If DIRECTORY is not provided,
# and an installed libltdl is not found, it is assumed to be `libltdl'.
# LIBLTDL will be prefixed with '${top_builddir}/'# and LTDLINCL with
# '${top_srcdir}/' (note the single quotes!).  If your package is not
# flat and you're not using automake, define top_builddir and top_srcdir
# appropriately in the Makefiles.
# In the future, this macro may have to be called after AC_PROG_LIBTOOL.
AC_DEFUN([AC_LIBLTDL_INSTALLABLE],
[AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
  AC_CHECK_LIB(ltdl, lt_dlinit,
  [test x"$enable_ltdl_install" != xyes && enable_ltdl_install=no],
  [if test x"$enable_ltdl_install" = xno; then
     AC_MSG_WARN([libltdl not installed, but installation disabled])
   else
     enable_ltdl_install=yes
   fi
  ])
  if test x"$enable_ltdl_install" = x"yes"; then
    ac_configure_args="$ac_configure_args --enable-ltdl-install"
    LIBLTDL='${top_builddir}/'ifelse($#,1,[$1],['libltdl'])/libltdl.la
    LTDLINCL='-I${top_srcdir}/'ifelse($#,1,[$1],['libltdl'])
  else
    ac_configure_args="$ac_configure_args --enable-ltdl-install=no"
    LIBLTDL="-lltdl"
    LTDLINCL=
  fi
  # For backwards non-gettext consistent compatibility...
  INCLTDL="$LTDLINCL"
])# AC_LIBLTDL_INSTALLABLE


# AC_LIBTOOL_CXX
# --------------
# enable support for C++ libraries
AC_DEFUN([AC_LIBTOOL_CXX],
[AC_REQUIRE([_LT_AC_LANG_CXX])
])# AC_LIBTOOL_CXX


# _LT_AC_LANG_CXX
# ---------------
AC_DEFUN([_LT_AC_LANG_CXX],
[AC_REQUIRE([AC_PROG_CXX])
AC_REQUIRE([_LT_AC_PROG_CXXCPP])
_LT_AC_SHELL_INIT([tagnames=${tagnames+${tagnames},}CXX])
])# _LT_AC_LANG_CXX

# _LT_AC_PROG_CXXCPP
# ------------------
AC_DEFUN([_LT_AC_PROG_CXXCPP],
[
AC_REQUIRE([AC_PROG_CXX])
if test -n "$CXX" && ( test "X$CXX" != "Xno" &&
    ( (test "X$CXX" = "Xg++" && `g++ -v >/dev/null 2>&1` ) ||
    (test "X$CXX" != "Xg++"))) ; then
  AC_PROG_CXXCPP
fi
])# _LT_AC_PROG_CXXCPP

# AC_LIBTOOL_LANG_C_CONFIG
# ------------------------
# Ensure that the configuration vars for the C compiler are
# suitably defined.  Those variables are subsequently used by
# AC_LIBTOOL_CONFIG to write the compiler configuration to `libtool'.
AC_DEFUN([AC_LIBTOOL_LANG_C_CONFIG], [_LT_AC_LANG_C_CONFIG])
AC_DEFUN([_LT_AC_LANG_C_CONFIG],
[lt_save_CC="$CC"
AC_LANG_SAVE
AC_LANG_C

# Source file extension for C test sources.
ac_ext=c

# Object file extension for compiled C test sources.
objext=o
_LT_AC_TAGVAR(objext, $1)=$objext

# Code to be used in simple compile tests
lt_simple_compile_test_code="int some_variable = 0;"

# Code to be used in simple link tests
lt_simple_link_test_code='int main(){return(0);}'

_LT_AC_SYS_COMPILER

# save warnings/boilerplate of simple test code
_LT_COMPILER_BOILERPLATE
_LT_LINKER_BOILERPLATE

## CAVEAT EMPTOR:
## There is no encapsulation within the following macros, do not change
## the running order or otherwise move them around unless you know exactly
## what you are doing...
AC_LIBTOOL_PROG_COMPILER_NO_RTTI($1)
AC_LIBTOOL_PROG_COMPILER_PIC($1)
AC_LIBTOOL_PROG_CC_C_O($1)
AC_LIBTOOL_SYS_HARD_LINK_LOCKS($1)
AC_LIBTOOL_PROG_LD_SHLIBS($1)
AC_LIBTOOL_SYS_DYNAMIC_LINKER($1)
AC_LIBTOOL_PROG_LD_HARDCODE_LIBPATH($1)
AC_LIBTOOL_SYS_LIB_STRIP
AC_LIBTOOL_DLOPEN_SELF

# Report which library types will actually be built
AC_MSG_CHECKING([if libtool supports shared libraries])
AC_MSG_RESULT([$can_build_shared])

AC_MSG_CHECKING([whether to build shared libraries])
test "$can_build_shared" = "no" && enable_shared=no

# On AIX, shared libraries and static libraries use the same namespace, and
# are all built from PIC.
case $host_os in
aix3*)
  test "$enable_shared" = yes && enable_static=no
  if test -n "$RANLIB"; then
    archive_cmds="$archive_cmds~\$RANLIB \$lib"
    postinstall_cmds='$RANLIB $lib'
  fi
  ;;

aix[[4-9]]*)
  if test "$host_cpu" != ia64 && test "$aix_use_runtimelinking" = no ; then
    test "$enable_shared" = yes && enable_static=no
  fi
    ;;
esac
AC_MSG_RESULT([$enable_shared])

AC_MSG_CHECKING([whether to build static libraries])
# Make sure either enable_shared or enable_static is yes.
test "$enable_shared" = yes || enable_static=yes
AC_MSG_RESULT([$enable_static])

AC_LIBTOOL_CONFIG($1)

AC_LANG_RESTORE
CC="$lt_save_CC"
])# AC_LIBTOOL_LANG_C_CONFIG


# AC_LIBTOOL_LANG_CXX_CONFIG
# --------------------------
# Ensure that the configuration vars for the C compiler are
# suitably defined.  Those variables are subsequently used by
# AC_LIBTOOL_CONFIG to write the compiler configuration to `libtool'.
AC_DEFUN([AC_LIBTOOL_LANG_CXX_CONFIG], [_LT_AC_LANG_CXX_CONFIG(CXX)])
AC_DEFUN([_LT_AC_LANG_CXX_CONFIG],
[AC_LANG_SAVE
AC_LANG_CPLUSPLUS
AC_REQUIRE([AC_PROG_CXX])
AC_REQUIRE([_LT_AC_PROG_CXXCPP])

_LT_AC_TAGVAR(archive_cmds_need_lc, $1)=no
_LT_AC_TAGVAR(allow_undefined_flag, $1)=
_LT_AC_TAGVAR(always_export_symbols, $1)=no
_LT_AC_TAGVAR(archive_expsym_cmds, $1)=
_LT_AC_TAGVAR(export_dynamic_flag_spec, $1)=
_LT_AC_TAGVAR(hardcode_direct, $1)=no
_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)=
_LT_AC_TAGVAR(hardcode_libdir_flag_spec_ld, $1)=
_LT_AC_TAGVAR(hardcode_libdir_separator, $1)=
_LT_AC_TAGVAR(hardcode_minus_L, $1)=no
_LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=unsupported
_LT_AC_TAGVAR(hardcode_automatic, $1)=no
_LT_AC_TAGVAR(module_cmds, $1)=
_LT_AC_TAGVAR(module_expsym_cmds, $1)=
_LT_AC_TAGVAR(link_all_deplibs, $1)=unknown
_LT_AC_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds
_LT_AC_TAGVAR(no_undefined_flag, $1)=
_LT_AC_TAGVAR(whole_archive_flag_spec, $1)=
_LT_AC_TAGVAR(enable_shared_with_static_runtimes, $1)=no

# Dependencies to place before and after the object being linked:
_LT_AC_TAGVAR(predep_objects, $1)=
_LT_AC_TAGVAR(postdep_objects, $1)=
_LT_AC_TAGVAR(predeps, $1)=
_LT_AC_TAGVAR(postdeps, $1)=
_LT_AC_TAGVAR(compiler_lib_search_path, $1)=
_LT_AC_TAGVAR(compiler_lib_search_dirs, $1)=

# Source file extension for C++ test sources.
ac_ext=cpp

# Object file extension for compiled C++ test sources.
objext=o
_LT_AC_TAGVAR(objext, $1)=$objext

# Code to be used in simple compile tests
lt_simple_compile_test_code="int some_variable = 0;"

# Code to be used in simple link tests
lt_simple_link_test_code='int main(int, char *[[]]) { return(0); }'

# ltmain only uses $CC for tagged configurations so make sure $CC is set.
_LT_AC_SYS_COMPILER

# save warnings/boilerplate of simple test code
_LT_COMPILER_BOILERPLATE
_LT_LINKER_BOILERPLATE

# Allow CC to be a program name with arguments.
lt_save_CC=$CC
lt_save_LD=$LD
lt_save_GCC=$GCC
GCC=$GXX
lt_save_with_gnu_ld=$with_gnu_ld
lt_save_path_LD=$lt_cv_path_LD
if test -n "${lt_cv_prog_gnu_ldcxx+set}"; then
  lt_cv_prog_gnu_ld=$lt_cv_prog_gnu_ldcxx
else
  unset lt_cv_prog_gnu_ld
fi
if test -n "${lt_cv_path_LDCXX+set}"; then
  lt_cv_path_LD=$lt_cv_path_LDCXX
else
  unset lt_cv_path_LD
fi
test -z "${LDCXX+set}" || LD=$LDCXX
CC=${CXX-"c++"}
compiler=$CC
_LT_AC_TAGVAR(compiler, $1)=$CC
_LT_CC_BASENAME([$compiler])

# We don't want -fno-exception wen compiling C++ code, so set the
# no_builtin_flag separately
if test "$GXX" = yes; then
  _LT_AC_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -fno-builtin'
else
  _LT_AC_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=
fi

if test "$GXX" = yes; then
  # Set up default GNU C++ configuration

  AC_PROG_LD

  # Check if GNU C++ uses GNU ld as the underlying linker, since the
  # archiving commands below assume that GNU ld is being used.
  if test "$with_gnu_ld" = yes; then
    _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib'
    _LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'

    _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}--rpath ${wl}$libdir'
    _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic'

    # If archive_cmds runs LD, not CC, wlarc should be empty
    # XXX I think wlarc can be eliminated in ltcf-cxx, but I need to
    #     investigate it a little bit more. (MM)
    wlarc='${wl}'

    # ancient GNU ld didn't support --whole-archive et. al.
    if eval "`$CC -print-prog-name=ld` --help 2>&1" | \
	grep 'no-whole-archive' > /dev/null; then
      _LT_AC_TAGVAR(whole_archive_flag_spec, $1)="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
    else
      _LT_AC_TAGVAR(whole_archive_flag_spec, $1)=
    fi
  else
    with_gnu_ld=no
    wlarc=

    # A generic and very simple default shared library creation
    # command for GNU C++ for the case where it uses the native
    # linker, instead of GNU ld.  If possible, this setting should
    # overridden to take advantage of the native linker features on
    # the platform it is being used on.
    _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $lib'
  fi

  # Commands to make compiler produce verbose output that lists
  # what "hidden" libraries, object files and flags are used when
  # linking a shared library.
  output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | grep "\-L"'

else
  GXX=no
  with_gnu_ld=no
  wlarc=
fi

# PORTME: fill in a description of your system's C++ link characteristics
AC_MSG_CHECKING([whether the $compiler linker ($LD) supports shared libraries])
_LT_AC_TAGVAR(ld_shlibs, $1)=yes
case $host_os in
  aix3*)
    # FIXME: insert proper C++ library support
    _LT_AC_TAGVAR(ld_shlibs, $1)=no
    ;;
  aix[[4-9]]*)
    if test "$host_cpu" = ia64; then
      # On IA64, the linker does run time linking by default, so we don't
      # have to do anything special.
      aix_use_runtimelinking=no
      exp_sym_flag='-Bexport'
      no_entry_flag=""
    else
      aix_use_runtimelinking=no

      # Test if we are trying to use run time linking or normal
      # AIX style linking. If -brtl is somewhere in LDFLAGS, we
      # need to do runtime linking.
      case $host_os in aix4.[[23]]|aix4.[[23]].*|aix[[5-9]]*)
	for ld_flag in $LDFLAGS; do
	  case $ld_flag in
	  *-brtl*)
	    aix_use_runtimelinking=yes
	    break
	    ;;
	  esac
	done
	;;
      esac

      exp_sym_flag='-bexport'
      no_entry_flag='-bnoentry'
    fi

    # When large executables or shared objects are built, AIX ld can
    # have problems creating the table of contents.  If linking a library
    # or program results in "error TOC overflow" add -mminimal-toc to
    # CXXFLAGS/CFLAGS for g++/gcc.  In the cases where that is not
    # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS.

    _LT_AC_TAGVAR(archive_cmds, $1)=''
    _LT_AC_TAGVAR(hardcode_direct, $1)=yes
    _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=':'
    _LT_AC_TAGVAR(link_all_deplibs, $1)=yes

    if test "$GXX" = yes; then
      case $host_os in aix4.[[012]]|aix4.[[012]].*)
      # We only want to do this on AIX 4.2 and lower, the check
      # below for broken collect2 doesn't work under 4.3+
	collect2name=`${CC} -print-prog-name=collect2`
	if test -f "$collect2name" && \
	   strings "$collect2name" | grep resolve_lib_name >/dev/null
	then
	  # We have reworked collect2
	  :
	else
	  # We have old collect2
	  _LT_AC_TAGVAR(hardcode_direct, $1)=unsupported
	  # It fails to find uninstalled libraries when the uninstalled
	  # path is not listed in the libpath.  Setting hardcode_minus_L
	  # to unsupported forces relinking
	  _LT_AC_TAGVAR(hardcode_minus_L, $1)=yes
	  _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
	  _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=
	fi
	;;
      esac
      shared_flag='-shared'
      if test "$aix_use_runtimelinking" = yes; then
	shared_flag="$shared_flag "'${wl}-G'
      fi
    else
      # not using gcc
      if test "$host_cpu" = ia64; then
	# VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release
	# chokes on -Wl,-G. The following line is correct:
	shared_flag='-G'
      else
	if test "$aix_use_runtimelinking" = yes; then
	  shared_flag='${wl}-G'
	else
	  shared_flag='${wl}-bM:SRE'
	fi
      fi
    fi

    # It seems that -bexpall does not export symbols beginning with
    # underscore (_), so it is better to generate a list of symbols to export.
    _LT_AC_TAGVAR(always_export_symbols, $1)=yes
    if test "$aix_use_runtimelinking" = yes; then
      # Warning - without using the other runtime loading flags (-brtl),
      # -berok will link without error, but may produce a broken library.
      _LT_AC_TAGVAR(allow_undefined_flag, $1)='-berok'
      # Determine the default libpath from the value encoded in an empty executable.
      _LT_AC_SYS_LIBPATH_AIX
      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-blibpath:$libdir:'"$aix_libpath"

      _LT_AC_TAGVAR(archive_expsym_cmds, $1)="\$CC"' -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags `if test "x${allow_undefined_flag}" != "x"; then echo "${wl}${allow_undefined_flag}"; else :; fi` '"\${wl}$exp_sym_flag:\$export_symbols $shared_flag"
     else
      if test "$host_cpu" = ia64; then
	_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-R $libdir:/usr/lib:/lib'
	_LT_AC_TAGVAR(allow_undefined_flag, $1)="-z nodefs"
	_LT_AC_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags ${wl}${allow_undefined_flag} '"\${wl}$exp_sym_flag:\$export_symbols"
      else
	# Determine the default libpath from the value encoded in an empty executable.
	_LT_AC_SYS_LIBPATH_AIX
	_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-blibpath:$libdir:'"$aix_libpath"
	# Warning - without using the other run time loading flags,
	# -berok will link without error, but may produce a broken library.
	_LT_AC_TAGVAR(no_undefined_flag, $1)=' ${wl}-bernotok'
	_LT_AC_TAGVAR(allow_undefined_flag, $1)=' ${wl}-berok'
	# Exported symbols can be pulled into shared objects from archives
	_LT_AC_TAGVAR(whole_archive_flag_spec, $1)='$convenience'
	_LT_AC_TAGVAR(archive_cmds_need_lc, $1)=yes
	# This is similar to how AIX traditionally builds its shared libraries.
	_LT_AC_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs ${wl}-bnoentry $compiler_flags ${wl}-bE:$export_symbols${allow_undefined_flag}~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$soname'
      fi
    fi
    ;;

  beos*)
    if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
      _LT_AC_TAGVAR(allow_undefined_flag, $1)=unsupported
      # Joseph Beckenbach <jrb3@best.com> says some releases of gcc
      # support --undefined.  This deserves some investigation.  FIXME
      _LT_AC_TAGVAR(archive_cmds, $1)='$CC -nostart $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
    else
      _LT_AC_TAGVAR(ld_shlibs, $1)=no
    fi
    ;;

  chorus*)
    case $cc_basename in
      *)
	# FIXME: insert proper C++ library support
	_LT_AC_TAGVAR(ld_shlibs, $1)=no
	;;
    esac
    ;;

  cygwin* | mingw* | pw32*)
    # _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1) is actually meaningless,
    # as there is no search path for DLLs.
    _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
    _LT_AC_TAGVAR(allow_undefined_flag, $1)=unsupported
    _LT_AC_TAGVAR(always_export_symbols, $1)=no
    _LT_AC_TAGVAR(enable_shared_with_static_runtimes, $1)=yes

    if $LD --help 2>&1 | grep 'auto-import' > /dev/null; then
      _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
      # If the export-symbols file already is a .def file (1st line
      # is EXPORTS), use it as is; otherwise, prepend...
      _LT_AC_TAGVAR(archive_expsym_cmds, $1)='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then
	cp $export_symbols $output_objdir/$soname.def;
      else
	echo EXPORTS > $output_objdir/$soname.def;
	cat $export_symbols >> $output_objdir/$soname.def;
      fi~
      $CC -shared -nostdlib $output_objdir/$soname.def $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
    else
      _LT_AC_TAGVAR(ld_shlibs, $1)=no
    fi
  ;;
      darwin* | rhapsody*)
      _LT_AC_TAGVAR(archive_cmds_need_lc, $1)=no
      _LT_AC_TAGVAR(hardcode_direct, $1)=no
      _LT_AC_TAGVAR(hardcode_automatic, $1)=yes
      _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=unsupported
      _LT_AC_TAGVAR(whole_archive_flag_spec, $1)=''
      _LT_AC_TAGVAR(link_all_deplibs, $1)=yes
      _LT_AC_TAGVAR(allow_undefined_flag, $1)="$_lt_dar_allow_undefined"
      if test "$GXX" = yes ; then
      output_verbose_link_cmd='echo'
      _LT_AC_TAGVAR(archive_cmds, $1)="\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod${_lt_dsymutil}"
      _LT_AC_TAGVAR(module_cmds, $1)="\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dsymutil}"
      _LT_AC_TAGVAR(archive_expsym_cmds, $1)="sed 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring ${_lt_dar_single_mod}${_lt_dar_export_syms}${_lt_dsymutil}"
      _LT_AC_TAGVAR(module_expsym_cmds, $1)="sed -e 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dar_export_syms}${_lt_dsymutil}"
      if test "$lt_cv_apple_cc_single_mod" != "yes"; then
        _LT_AC_TAGVAR(archive_cmds, $1)="\$CC -r -keep_private_externs -nostdlib -o \${lib}-master.o \$libobjs~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \${lib}-master.o \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring${_lt_dsymutil}"
        _LT_AC_TAGVAR(archive_expsym_cmds, $1)="sed 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC -r -keep_private_externs -nostdlib -o \${lib}-master.o \$libobjs~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \${lib}-master.o \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring${_lt_dar_export_syms}${_lt_dsymutil}"
      fi
      else
      case $cc_basename in
        xlc*)
         output_verbose_link_cmd='echo'
          _LT_AC_TAGVAR(archive_cmds, $1)='$CC -qmkshrobj ${wl}-single_module $allow_undefined_flag -o $lib $libobjs $deplibs $compiler_flags ${wl}-install_name ${wl}`echo $rpath/$soname` $xlcverstring'
          _LT_AC_TAGVAR(module_cmds, $1)='$CC $allow_undefined_flag -o $lib -bundle $libobjs $deplibs$compiler_flags'
          # Don't fix this by using the ld -exported_symbols_list flag, it doesn't exist in older darwin lds
          _LT_AC_TAGVAR(archive_expsym_cmds, $1)='sed -e "s,#.*,," -e "s,^[    ]*,," -e "s,^\(..*\),_&," < $export_symbols > $output_objdir/${libname}-symbols.expsym~$CC -qmkshrobj ${wl}-single_module $allow_undefined_flag -o $lib $libobjs $deplibs $compiler_flags ${wl}-install_name ${wl}$rpath/$soname $xlcverstring~nmedit -s $output_objdir/${libname}-symbols.expsym ${lib}'
          _LT_AC_TAGVAR(module_expsym_cmds, $1)='sed -e "s,#.*,," -e "s,^[    ]*,," -e "s,^\(..*\),_&," < $export_symbols > $output_objdir/${libname}-symbols.expsym~$CC $allow_undefined_flag  -o $lib -bundle $libobjs $deplibs$compiler_flags~nmedit -s $output_objdir/${libname}-symbols.expsym ${lib}'
          ;;
       *)
         _LT_AC_TAGVAR(ld_shlibs, $1)=no
          ;;
      esac
      fi
        ;;

  dgux*)
    case $cc_basename in
      ec++*)
	# FIXME: insert proper C++ library support
	_LT_AC_TAGVAR(ld_shlibs, $1)=no
	;;
      ghcx*)
	# Green Hills C++ Compiler
	# FIXME: insert proper C++ library support
	_LT_AC_TAGVAR(ld_shlibs, $1)=no
	;;
      *)
	# FIXME: insert proper C++ library support
	_LT_AC_TAGVAR(ld_shlibs, $1)=no
	;;
    esac
    ;;
  freebsd[[12]].*)
    # C++ shared libraries reported to be fairly broken before switch to ELF
    _LT_AC_TAGVAR(ld_shlibs, $1)=no
    ;;
  freebsd-elf*)
    _LT_AC_TAGVAR(archive_cmds_need_lc, $1)=no
    ;;
  freebsd* | dragonfly*)
    # FreeBSD 3 and later use GNU C++ and GNU ld with standard ELF
    # conventions
    _LT_AC_TAGVAR(ld_shlibs, $1)=yes
    ;;
  gnu*)
    ;;
  hpux9*)
    _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir'
    _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:
    _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
    _LT_AC_TAGVAR(hardcode_direct, $1)=yes
    _LT_AC_TAGVAR(hardcode_minus_L, $1)=yes # Not in the search PATH,
				# but as the default
				# location of the library.

    case $cc_basename in
    CC*)
      # FIXME: insert proper C++ library support
      _LT_AC_TAGVAR(ld_shlibs, $1)=no
      ;;
    aCC*)
      _LT_AC_TAGVAR(archive_cmds, $1)='$rm $output_objdir/$soname~$CC -b ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib'
      # Commands to make compiler produce verbose output that lists
      # what "hidden" libraries, object files and flags are used when
      # linking a shared library.
      #
      # There doesn't appear to be a way to prevent this compiler from
      # explicitly linking system object files so we need to strip them
      # from the output so that they don't get included in the library
      # dependencies.
      output_verbose_link_cmd='templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | grep "[[-]]L"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; echo $list'
      ;;
    *)
      if test "$GXX" = yes; then
        _LT_AC_TAGVAR(archive_cmds, $1)='$rm $output_objdir/$soname~$CC -shared -nostdlib -fPIC ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib'
      else
        # FIXME: insert proper C++ library support
        _LT_AC_TAGVAR(ld_shlibs, $1)=no
      fi
      ;;
    esac
    ;;
  hpux10*|hpux11*)
    if test $with_gnu_ld = no; then
      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir'
      _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:

      case $host_cpu in
      hppa*64*|ia64*) ;;
      *)
	_LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
        ;;
      esac
    fi
    case $host_cpu in
    hppa*64*|ia64*)
      _LT_AC_TAGVAR(hardcode_direct, $1)=no
      _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
      ;;
    *)
      _LT_AC_TAGVAR(hardcode_direct, $1)=yes
      _LT_AC_TAGVAR(hardcode_minus_L, $1)=yes # Not in the search PATH,
					      # but as the default
					      # location of the library.
      ;;
    esac

    case $cc_basename in
      CC*)
	# FIXME: insert proper C++ library support
	_LT_AC_TAGVAR(ld_shlibs, $1)=no
	;;
      aCC*)
	case $host_cpu in
	hppa*64*)
	  _LT_AC_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
	  ;;
	ia64*)
	  _LT_AC_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
	  ;;
	*)
	  _LT_AC_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
	  ;;
	esac
	# Commands to make compiler produce verbose output that lists
	# what "hidden" libraries, object files and flags are used when
	# linking a shared library.
	#
	# There doesn't appear to be a way to prevent this compiler from
	# explicitly linking system object files so we need to strip them
	# from the output so that they don't get included in the library
	# dependencies.
	output_verbose_link_cmd='templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | grep "\-L"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; echo $list'
	;;
      *)
	if test "$GXX" = yes; then
	  if test $with_gnu_ld = no; then
	    case $host_cpu in
	    hppa*64*)
	      _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib -fPIC ${wl}+h ${wl}$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
	      ;;
	    ia64*)
	      _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib -fPIC ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
	      ;;
	    *)
	      _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib -fPIC ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
	      ;;
	    esac
	  fi
	else
	  # FIXME: insert proper C++ library support
	  _LT_AC_TAGVAR(ld_shlibs, $1)=no
	fi
	;;
    esac
    ;;
  interix[[3-9]]*)
    _LT_AC_TAGVAR(hardcode_direct, $1)=no
    _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
    _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
    _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
    # Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc.
    # Instead, shared libraries are loaded at an image base (0x10000000 by
    # default) and relocated if they conflict, which is a slow very memory
    # consuming and fragmenting process.  To avoid this, we pick a random,
    # 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link
    # time.  Moving up from 0x10000000 also allows more sbrk(2) space.
    _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
    _LT_AC_TAGVAR(archive_expsym_cmds, $1)='sed "s,^,_," $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--retain-symbols-file,$output_objdir/$soname.expsym ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
    ;;
  irix5* | irix6*)
    case $cc_basename in
      CC*)
	# SGI C++
	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared -all -multigot $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${output_objdir}/so_locations -o $lib'

	# Archives containing C++ object files must be created using
	# "CC -ar", where "CC" is the IRIX C++ compiler.  This is
	# necessary to make sure instantiated templates are included
	# in the archive.
	_LT_AC_TAGVAR(old_archive_cmds, $1)='$CC -ar -WR,-u -o $oldlib $oldobjs'
	;;
      *)
	if test "$GXX" = yes; then
	  if test "$with_gnu_ld" = no; then
	    _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
	  else
	    _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` -o $lib'
	  fi
	fi
	_LT_AC_TAGVAR(link_all_deplibs, $1)=yes
	;;
    esac
    _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
    _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:
    ;;
  linux* | k*bsd*-gnu)
    case $cc_basename in
      KCC*)
	# Kuck and Associates, Inc. (KAI) C++ Compiler

	# KCC will only create a shared library if the output file
	# ends with ".so" (or ".sl" for HP-UX), so rename the library
	# to its proper name (with version) after linking.
	_LT_AC_TAGVAR(archive_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\${tempext}\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib'
	_LT_AC_TAGVAR(archive_expsym_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\${tempext}\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib ${wl}-retain-symbols-file,$export_symbols; mv \$templib $lib'
	# Commands to make compiler produce verbose output that lists
	# what "hidden" libraries, object files and flags are used when
	# linking a shared library.
	#
	# There doesn't appear to be a way to prevent this compiler from
	# explicitly linking system object files so we need to strip them
	# from the output so that they don't get included in the library
	# dependencies.
	output_verbose_link_cmd='templist=`$CC $CFLAGS -v conftest.$objext -o libconftest$shared_ext 2>&1 | grep "ld"`; rm -f libconftest$shared_ext; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; echo $list'

	_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}--rpath,$libdir'
	_LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic'

	# Archives containing C++ object files must be created using
	# "CC -Bstatic", where "CC" is the KAI C++ compiler.
	_LT_AC_TAGVAR(old_archive_cmds, $1)='$CC -Bstatic -o $oldlib $oldobjs'
	;;
      icpc*)
	# Intel C++
	with_gnu_ld=yes
	# version 8.0 and above of icpc choke on multiply defined symbols
	# if we add $predep_objects and $postdep_objects, however 7.1 and
	# earlier do not add the objects themselves.
	case `$CC -V 2>&1` in
	*"Version 7."*)
  	  _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib'
  	  _LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
	  ;;
	*)  # Version 8.0 or newer
	  tmp_idyn=
	  case $host_cpu in
	    ia64*) tmp_idyn=' -i_dynamic';;
	  esac
  	  _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared'"$tmp_idyn"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
	  _LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -shared'"$tmp_idyn"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
	  ;;
	esac
	_LT_AC_TAGVAR(archive_cmds_need_lc, $1)=no
	_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
	_LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic'
	_LT_AC_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive$convenience ${wl}--no-whole-archive'
	;;
      pgCC* | pgcpp*)
        # Portland Group C++ compiler
	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname -o $lib'
  	_LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname ${wl}-retain-symbols-file ${wl}$export_symbols -o $lib'

	_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}--rpath ${wl}$libdir'
	_LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic'
	_LT_AC_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; $echo \"$new_convenience\"` ${wl}--no-whole-archive'
        ;;
      cxx*)
	# Compaq C++
	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib'
	_LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname  -o $lib ${wl}-retain-symbols-file $wl$export_symbols'

	runpath_var=LD_RUN_PATH
	_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir'
	_LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:

	# Commands to make compiler produce verbose output that lists
	# what "hidden" libraries, object files and flags are used when
	# linking a shared library.
	#
	# There doesn't appear to be a way to prevent this compiler from
	# explicitly linking system object files so we need to strip them
	# from the output so that they don't get included in the library
	# dependencies.
	output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | grep "ld"`; templist=`echo $templist | $SED "s/\(^.*ld.*\)\( .*ld .*$\)/\1/"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; echo $list'
	;;
      *)
	case `$CC -V 2>&1 | sed 5q` in
	*Sun\ C*)
	  # Sun C++ 5.9
	  _LT_AC_TAGVAR(no_undefined_flag, $1)=' -zdefs'
	  _LT_AC_TAGVAR(archive_cmds, $1)='$CC -G${allow_undefined_flag} -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
	  _LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -G${allow_undefined_flag} -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-retain-symbols-file ${wl}$export_symbols'
	  _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
	  _LT_AC_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; $echo \"$new_convenience\"` ${wl}--no-whole-archive'

	  # Not sure whether something based on
	  # $CC $CFLAGS -v conftest.$objext -o libconftest$shared_ext 2>&1
	  # would be better.
	  output_verbose_link_cmd='echo'

	  # Archives containing C++ object files must be created using
	  # "CC -xar", where "CC" is the Sun C++ compiler.  This is
	  # necessary to make sure instantiated templates are included
	  # in the archive.
	  _LT_AC_TAGVAR(old_archive_cmds, $1)='$CC -xar -o $oldlib $oldobjs'
	  ;;
	esac
	;;
    esac
    ;;
  lynxos*)
    # FIXME: insert proper C++ library support
    _LT_AC_TAGVAR(ld_shlibs, $1)=no
    ;;
  m88k*)
    # FIXME: insert proper C++ library support
    _LT_AC_TAGVAR(ld_shlibs, $1)=no
    ;;
  mvs*)
    case $cc_basename in
      cxx*)
	# FIXME: insert proper C++ library support
	_LT_AC_TAGVAR(ld_shlibs, $1)=no
	;;
      *)
	# FIXME: insert proper C++ library support
	_LT_AC_TAGVAR(ld_shlibs, $1)=no
	;;
    esac
    ;;
  netbsd*)
    if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
      _LT_AC_TAGVAR(archive_cmds, $1)='$LD -Bshareable  -o $lib $predep_objects $libobjs $deplibs $postdep_objects $linker_flags'
      wlarc=
      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
      _LT_AC_TAGVAR(hardcode_direct, $1)=yes
      _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
    fi
    # Workaround some broken pre-1.5 toolchains
    output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | grep conftest.$objext | $SED -e "s:-lgcc -lc -lgcc::"'
    ;;
  openbsd2*)
    # C++ shared libraries are fairly broken
    _LT_AC_TAGVAR(ld_shlibs, $1)=no
    ;;
  openbsd*)
    if test -f /usr/libexec/ld.so; then
      _LT_AC_TAGVAR(hardcode_direct, $1)=yes
      _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
      _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $lib'
      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
      if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
	_LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-retain-symbols-file,$export_symbols -o $lib'
	_LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
	_LT_AC_TAGVAR(whole_archive_flag_spec, $1)="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
      fi
      output_verbose_link_cmd='echo'
    else
      _LT_AC_TAGVAR(ld_shlibs, $1)=no
    fi
    ;;
  osf3*)
    case $cc_basename in
      KCC*)
	# Kuck and Associates, Inc. (KAI) C++ Compiler

	# KCC will only create a shared library if the output file
	# ends with ".so" (or ".sl" for HP-UX), so rename the library
	# to its proper name (with version) after linking.
	_LT_AC_TAGVAR(archive_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\${tempext}\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib'

	_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
	_LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:

	# Archives containing C++ object files must be created using
	# "CC -Bstatic", where "CC" is the KAI C++ compiler.
	_LT_AC_TAGVAR(old_archive_cmds, $1)='$CC -Bstatic -o $oldlib $oldobjs'

	;;
      RCC*)
	# Rational C++ 2.4.1
	# FIXME: insert proper C++ library support
	_LT_AC_TAGVAR(ld_shlibs, $1)=no
	;;
      cxx*)
	_LT_AC_TAGVAR(allow_undefined_flag, $1)=' ${wl}-expect_unresolved ${wl}\*'
	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $soname `test -n "$verstring" && echo ${wl}-set_version $verstring` -update_registry ${output_objdir}/so_locations -o $lib'

	_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
	_LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:

	# Commands to make compiler produce verbose output that lists
	# what "hidden" libraries, object files and flags are used when
	# linking a shared library.
	#
	# There doesn't appear to be a way to prevent this compiler from
	# explicitly linking system object files so we need to strip them
	# from the output so that they don't get included in the library
	# dependencies.
	output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | grep "ld" | grep -v "ld:"`; templist=`echo $templist | $SED "s/\(^.*ld.*\)\( .*ld.*$\)/\1/"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; echo $list'
	;;
      *)
	if test "$GXX" = yes && test "$with_gnu_ld" = no; then
	  _LT_AC_TAGVAR(allow_undefined_flag, $1)=' ${wl}-expect_unresolved ${wl}\*'
	  _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib ${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'

	  _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
	  _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:

	  # Commands to make compiler produce verbose output that lists
	  # what "hidden" libraries, object files and flags are used when
	  # linking a shared library.
	  output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | grep "\-L"'

	else
	  # FIXME: insert proper C++ library support
	  _LT_AC_TAGVAR(ld_shlibs, $1)=no
	fi
	;;
    esac
    ;;
  osf4* | osf5*)
    case $cc_basename in
      KCC*)
	# Kuck and Associates, Inc. (KAI) C++ Compiler

	# KCC will only create a shared library if the output file
	# ends with ".so" (or ".sl" for HP-UX), so rename the library
	# to its proper name (with version) after linking.
	_LT_AC_TAGVAR(archive_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\${tempext}\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib'

	_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
	_LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:

	# Archives containing C++ object files must be created using
	# the KAI C++ compiler.
	_LT_AC_TAGVAR(old_archive_cmds, $1)='$CC -o $oldlib $oldobjs'
	;;
      RCC*)
	# Rational C++ 2.4.1
	# FIXME: insert proper C++ library support
	_LT_AC_TAGVAR(ld_shlibs, $1)=no
	;;
      cxx*)
	_LT_AC_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*'
	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${output_objdir}/so_locations -o $lib'
	_LT_AC_TAGVAR(archive_expsym_cmds, $1)='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done~
	  echo "-hidden">> $lib.exp~
	  $CC -shared$allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname -Wl,-input -Wl,$lib.exp  `test -n "$verstring" && echo -set_version	$verstring` -update_registry ${output_objdir}/so_locations -o $lib~
	  $rm $lib.exp'

	_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir'
	_LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:

	# Commands to make compiler produce verbose output that lists
	# what "hidden" libraries, object files and flags are used when
	# linking a shared library.
	#
	# There doesn't appear to be a way to prevent this compiler from
	# explicitly linking system object files so we need to strip them
	# from the output so that they don't get included in the library
	# dependencies.
	output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | grep "ld" | grep -v "ld:"`; templist=`echo $templist | $SED "s/\(^.*ld.*\)\( .*ld.*$\)/\1/"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; echo $list'
	;;
      *)
	if test "$GXX" = yes && test "$with_gnu_ld" = no; then
	  _LT_AC_TAGVAR(allow_undefined_flag, $1)=' ${wl}-expect_unresolved ${wl}\*'
	 _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib ${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-msym ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'

	  _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
	  _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:

	  # Commands to make compiler produce verbose output that lists
	  # what "hidden" libraries, object files and flags are used when
	  # linking a shared library.
	  output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | grep "\-L"'

	else
	  # FIXME: insert proper C++ library support
	  _LT_AC_TAGVAR(ld_shlibs, $1)=no
	fi
	;;
    esac
    ;;
  psos*)
    # FIXME: insert proper C++ library support
    _LT_AC_TAGVAR(ld_shlibs, $1)=no
    ;;
  sunos4*)
    case $cc_basename in
      CC*)
	# Sun C++ 4.x
	# FIXME: insert proper C++ library support
	_LT_AC_TAGVAR(ld_shlibs, $1)=no
	;;
      lcc*)
	# Lucid
	# FIXME: insert proper C++ library support
	_LT_AC_TAGVAR(ld_shlibs, $1)=no
	;;
      *)
	# FIXME: insert proper C++ library support
	_LT_AC_TAGVAR(ld_shlibs, $1)=no
	;;
    esac
    ;;
  solaris*)
    case $cc_basename in
      CC*)
	# Sun C++ 4.2, 5.x and Centerline C++
        _LT_AC_TAGVAR(archive_cmds_need_lc,$1)=yes
	_LT_AC_TAGVAR(no_undefined_flag, $1)=' -zdefs'
	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -G${allow_undefined_flag}  -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
	_LT_AC_TAGVAR(archive_expsym_cmds, $1)='$echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
	$CC -G${allow_undefined_flag}  ${wl}-M ${wl}$lib.exp -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$rm $lib.exp'

	_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
	_LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
	case $host_os in
	  solaris2.[[0-5]] | solaris2.[[0-5]].*) ;;
	  *)
	    # The compiler driver will combine and reorder linker options,
	    # but understands `-z linker_flag'.
	    # Supported since Solaris 2.6 (maybe 2.5.1?)
	    _LT_AC_TAGVAR(whole_archive_flag_spec, $1)='-z allextract$convenience -z defaultextract'
	    ;;
	esac
	_LT_AC_TAGVAR(link_all_deplibs, $1)=yes

	output_verbose_link_cmd='echo'

	# Archives containing C++ object files must be created using
	# "CC -xar", where "CC" is the Sun C++ compiler.  This is
	# necessary to make sure instantiated templates are included
	# in the archive.
	_LT_AC_TAGVAR(old_archive_cmds, $1)='$CC -xar -o $oldlib $oldobjs'
	;;
      gcx*)
	# Green Hills C++ Compiler
	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib'

	# The C++ compiler must be used to create the archive.
	_LT_AC_TAGVAR(old_archive_cmds, $1)='$CC $LDFLAGS -archive -o $oldlib $oldobjs'
	;;
      *)
	# GNU C++ compiler with Solaris linker
	if test "$GXX" = yes && test "$with_gnu_ld" = no; then
	  _LT_AC_TAGVAR(no_undefined_flag, $1)=' ${wl}-z ${wl}defs'
	  if $CC --version | grep -v '^2\.7' > /dev/null; then
	    _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib'
	    _LT_AC_TAGVAR(archive_expsym_cmds, $1)='$echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
		$CC -shared -nostdlib ${wl}-M $wl$lib.exp -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$rm $lib.exp'

	    # Commands to make compiler produce verbose output that lists
	    # what "hidden" libraries, object files and flags are used when
	    # linking a shared library.
	    output_verbose_link_cmd="$CC -shared $CFLAGS -v conftest.$objext 2>&1 | grep \"\-L\""
	  else
	    # g++ 2.7 appears to require `-G' NOT `-shared' on this
	    # platform.
	    _LT_AC_TAGVAR(archive_cmds, $1)='$CC -G -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib'
	    _LT_AC_TAGVAR(archive_expsym_cmds, $1)='$echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
		$CC -G -nostdlib ${wl}-M $wl$lib.exp -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$rm $lib.exp'

	    # Commands to make compiler produce verbose output that lists
	    # what "hidden" libraries, object files and flags are used when
	    # linking a shared library.
	    output_verbose_link_cmd="$CC -G $CFLAGS -v conftest.$objext 2>&1 | grep \"\-L\""
	  fi

	  _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-R $wl$libdir'
	  case $host_os in
	  solaris2.[[0-5]] | solaris2.[[0-5]].*) ;;
	  *)
	    _LT_AC_TAGVAR(whole_archive_flag_spec, $1)='${wl}-z ${wl}allextract$convenience ${wl}-z ${wl}defaultextract'
	    ;;
	  esac
	fi
	;;
    esac
    ;;
  sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[[01]].[[10]]* | unixware7* | sco3.2v5.0.[[024]]*)
    _LT_AC_TAGVAR(no_undefined_flag, $1)='${wl}-z,text'
    _LT_AC_TAGVAR(archive_cmds_need_lc, $1)=no
    _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
    runpath_var='LD_RUN_PATH'

    case $cc_basename in
      CC*)
	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
	_LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
	;;
      *)
	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
	_LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
	;;
    esac
    ;;
  sysv5* | sco3.2v5* | sco5v6*)
    # Note: We can NOT use -z defs as we might desire, because we do not
    # link with -lc, and that would cause any symbols used from libc to
    # always be unresolved, which means just about no library would
    # ever link correctly.  If we're not using GNU ld we use -z text
    # though, which does catch some bad symbols but isn't as heavy-handed
    # as -z defs.
    # For security reasons, it is highly recommended that you always
    # use absolute paths for naming shared libraries, and exclude the
    # DT_RUNPATH tag from executables and libraries.  But doing so
    # requires that you compile everything twice, which is a pain.
    # So that behaviour is only enabled if SCOABSPATH is set to a
    # non-empty value in the environment.  Most likely only useful for
    # creating official distributions of packages.
    # This is a hack until libtool officially supports absolute path
    # names for shared libraries.
    _LT_AC_TAGVAR(no_undefined_flag, $1)='${wl}-z,text'
    _LT_AC_TAGVAR(allow_undefined_flag, $1)='${wl}-z,nodefs'
    _LT_AC_TAGVAR(archive_cmds_need_lc, $1)=no
    _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
    _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='`test -z "$SCOABSPATH" && echo ${wl}-R,$libdir`'
    _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=':'
    _LT_AC_TAGVAR(link_all_deplibs, $1)=yes
    _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-Bexport'
    runpath_var='LD_RUN_PATH'

    case $cc_basename in
      CC*)
	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -G ${wl}-h,\${SCOABSPATH:+${install_libdir}/}$soname -o $lib $libobjs $deplibs $compiler_flags'
	_LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,\${SCOABSPATH:+${install_libdir}/}$soname -o $lib $libobjs $deplibs $compiler_flags'
	;;
      *)
	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}-h,\${SCOABSPATH:+${install_libdir}/}$soname -o $lib $libobjs $deplibs $compiler_flags'
	_LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,\${SCOABSPATH:+${install_libdir}/}$soname -o $lib $libobjs $deplibs $compiler_flags'
	;;
    esac
    ;;
  tandem*)
    case $cc_basename in
      NCC*)
	# NonStop-UX NCC 3.20
	# FIXME: insert proper C++ library support
	_LT_AC_TAGVAR(ld_shlibs, $1)=no
	;;
      *)
	# FIXME: insert proper C++ library support
	_LT_AC_TAGVAR(ld_shlibs, $1)=no
	;;
    esac
    ;;
  vxworks*)
    # FIXME: insert proper C++ library support
    _LT_AC_TAGVAR(ld_shlibs, $1)=no
    ;;
  *)
    # FIXME: insert proper C++ library support
    _LT_AC_TAGVAR(ld_shlibs, $1)=no
    ;;
esac
AC_MSG_RESULT([$_LT_AC_TAGVAR(ld_shlibs, $1)])
test "$_LT_AC_TAGVAR(ld_shlibs, $1)" = no && can_build_shared=no

_LT_AC_TAGVAR(GCC, $1)="$GXX"
_LT_AC_TAGVAR(LD, $1)="$LD"

## CAVEAT EMPTOR:
## There is no encapsulation within the following macros, do not change
## the running order or otherwise move them around unless you know exactly
## what you are doing...
AC_LIBTOOL_POSTDEP_PREDEP($1)
AC_LIBTOOL_PROG_COMPILER_PIC($1)
AC_LIBTOOL_PROG_CC_C_O($1)
AC_LIBTOOL_SYS_HARD_LINK_LOCKS($1)
AC_LIBTOOL_PROG_LD_SHLIBS($1)
AC_LIBTOOL_SYS_DYNAMIC_LINKER($1)
AC_LIBTOOL_PROG_LD_HARDCODE_LIBPATH($1)

AC_LIBTOOL_CONFIG($1)

AC_LANG_RESTORE
CC=$lt_save_CC
LDCXX=$LD
LD=$lt_save_LD
GCC=$lt_save_GCC
with_gnu_ldcxx=$with_gnu_ld
with_gnu_ld=$lt_save_with_gnu_ld
lt_cv_path_LDCXX=$lt_cv_path_LD
lt_cv_path_LD=$lt_save_path_LD
lt_cv_prog_gnu_ldcxx=$lt_cv_prog_gnu_ld
lt_cv_prog_gnu_ld=$lt_save_with_gnu_ld
])# AC_LIBTOOL_LANG_CXX_CONFIG

# AC_LIBTOOL_POSTDEP_PREDEP([TAGNAME])
# ------------------------------------
# Figure out "hidden" library dependencies from verbose
# compiler output when linking a shared library.
# Parse the compiler output and extract the necessary
# objects, libraries and library flags.
AC_DEFUN([AC_LIBTOOL_POSTDEP_PREDEP],
[AC_REQUIRE([LT_AC_PROG_SED])dnl
dnl we can't use the lt_simple_compile_test_code here,
dnl because it contains code intended for an executable,
dnl not a library.  It's possible we should let each
dnl tag define a new lt_????_link_test_code variable,
dnl but it's only used here...
ifelse([$1],[],[cat > conftest.$ac_ext <<EOF
int a;
void foo (void) { a = 0; }
EOF
],[$1],[CXX],[cat > conftest.$ac_ext <<EOF
class Foo
{
public:
  Foo (void) { a = 0; }
private:
  int a;
};
EOF
],[$1],[F77],[cat > conftest.$ac_ext <<EOF
      subroutine foo
      implicit none
      integer*4 a
      a=0
      return
      end
EOF
],[$1],[GCJ],[cat > conftest.$ac_ext <<EOF
public class foo {
  private int a;
  public void bar (void) {
    a = 0;
  }
};
EOF
])
dnl Parse the compiler output and extract the necessary
dnl objects, libraries and library flags.
if AC_TRY_EVAL(ac_compile); then
  # Parse the compiler output and extract the necessary
  # objects, libraries and library flags.

  # Sentinel used to keep track of whether or not we are before
  # the conftest object file.
  pre_test_object_deps_done=no

  # The `*' in the case matches for architectures that use `case' in
  # $output_verbose_cmd can trigger glob expansion during the loop
  # eval without this substitution.
  output_verbose_link_cmd=`$echo "X$output_verbose_link_cmd" | $Xsed -e "$no_glob_subst"`

  for p in `eval $output_verbose_link_cmd`; do
    case $p in

    -L* | -R* | -l*)
       # Some compilers place space between "-{L,R}" and the path.
       # Remove the space.
       if test $p = "-L" \
	  || test $p = "-R"; then
	 prev=$p
	 continue
       else
	 prev=
       fi

       if test "$pre_test_object_deps_done" = no; then
	 case $p in
	 -L* | -R*)
	   # Internal compiler library paths should come after those
	   # provided the user.  The postdeps already come after the
	   # user supplied libs so there is no need to process them.
	   if test -z "$_LT_AC_TAGVAR(compiler_lib_search_path, $1)"; then
	     _LT_AC_TAGVAR(compiler_lib_search_path, $1)="${prev}${p}"
	   else
	     _LT_AC_TAGVAR(compiler_lib_search_path, $1)="${_LT_AC_TAGVAR(compiler_lib_search_path, $1)} ${prev}${p}"
	   fi
	   ;;
	 # The "-l" case would never come before the object being
	 # linked, so don't bother handling this case.
	 esac
       else
	 if test -z "$_LT_AC_TAGVAR(postdeps, $1)"; then
	   _LT_AC_TAGVAR(postdeps, $1)="${prev}${p}"
	 else
	   _LT_AC_TAGVAR(postdeps, $1)="${_LT_AC_TAGVAR(postdeps, $1)} ${prev}${p}"
	 fi
       fi
       ;;

    *.$objext)
       # This assumes that the test object file only shows up
       # once in the compiler output.
       if test "$p" = "conftest.$objext"; then
	 pre_test_object_deps_done=yes
	 continue
       fi

       if test "$pre_test_object_deps_done" = no; then
	 if test -z "$_LT_AC_TAGVAR(predep_objects, $1)"; then
	   _LT_AC_TAGVAR(predep_objects, $1)="$p"
	 else
	   _LT_AC_TAGVAR(predep_objects, $1)="$_LT_AC_TAGVAR(predep_objects, $1) $p"
	 fi
       else
	 if test -z "$_LT_AC_TAGVAR(postdep_objects, $1)"; then
	   _LT_AC_TAGVAR(postdep_objects, $1)="$p"
	 else
	   _LT_AC_TAGVAR(postdep_objects, $1)="$_LT_AC_TAGVAR(postdep_objects, $1) $p"
	 fi
       fi
       ;;

    *) ;; # Ignore the rest.

    esac
  done

  # Clean up.
  rm -f a.out a.exe
else
  echo "libtool.m4: error: problem compiling $1 test program"
fi

$rm -f confest.$objext

_LT_AC_TAGVAR(compiler_lib_search_dirs, $1)=
if test -n "$_LT_AC_TAGVAR(compiler_lib_search_path, $1)"; then
  _LT_AC_TAGVAR(compiler_lib_search_dirs, $1)=`echo " ${_LT_AC_TAGVAR(compiler_lib_search_path, $1)}" | ${SED} -e 's! -L! !g' -e 's!^ !!'`
fi

# PORTME: override above test on systems where it is broken
ifelse([$1],[CXX],
[case $host_os in
interix[[3-9]]*)
  # Interix 3.5 installs completely hosed .la files for C++, so rather than
  # hack all around it, let's just trust "g++" to DTRT.
  _LT_AC_TAGVAR(predep_objects,$1)=
  _LT_AC_TAGVAR(postdep_objects,$1)=
  _LT_AC_TAGVAR(postdeps,$1)=
  ;;

linux*)
  case `$CC -V 2>&1 | sed 5q` in
  *Sun\ C*)
    # Sun C++ 5.9
    #
    # The more standards-conforming stlport4 library is
    # incompatible with the Cstd library. Avoid specifying
    # it if it's in CXXFLAGS. Ignore libCrun as
    # -library=stlport4 depends on it.
    case " $CXX $CXXFLAGS " in
    *" -library=stlport4 "*)
      solaris_use_stlport4=yes
      ;;
    esac
    if test "$solaris_use_stlport4" != yes; then
      _LT_AC_TAGVAR(postdeps,$1)='-library=Cstd -library=Crun'
    fi
    ;;
  esac
  ;;

solaris*)
  case $cc_basename in
  CC*)
    # The more standards-conforming stlport4 library is
    # incompatible with the Cstd library. Avoid specifying
    # it if it's in CXXFLAGS. Ignore libCrun as
    # -library=stlport4 depends on it.
    case " $CXX $CXXFLAGS " in
    *" -library=stlport4 "*)
      solaris_use_stlport4=yes
      ;;
    esac

    # Adding this requires a known-good setup of shared libraries for
    # Sun compiler versions before 5.6, else PIC objects from an old
    # archive will be linked into the output, leading to subtle bugs.
    if test "$solaris_use_stlport4" != yes; then
      _LT_AC_TAGVAR(postdeps,$1)='-library=Cstd -library=Crun'
    fi
    ;;
  esac
  ;;
esac
])
case " $_LT_AC_TAGVAR(postdeps, $1) " in
*" -lc "*) _LT_AC_TAGVAR(archive_cmds_need_lc, $1)=no ;;
esac
])# AC_LIBTOOL_POSTDEP_PREDEP

# AC_LIBTOOL_CONFIG([TAGNAME])
# ----------------------------
# If TAGNAME is not passed, then create an initial libtool script
# with a default configuration from the untagged config vars.  Otherwise
# add code to config.status for appending the configuration named by
# TAGNAME from the matching tagged config vars.
AC_DEFUN([AC_LIBTOOL_CONFIG],
[# The else clause should only fire when bootstrapping the
# libtool distribution, otherwise you forgot to ship ltmain.sh
# with your package, and you will get complaints that there are
# no rules to generate ltmain.sh.
if test -f "$ltmain"; then
  # See if we are running on zsh, and set the options which allow our commands through
  # without removal of \ escapes.
  if test -n "${ZSH_VERSION+set}" ; then
    setopt NO_GLOB_SUBST
  fi
  # Now quote all the things that may contain metacharacters while being
  # careful not to overquote the AC_SUBSTed values.  We take copies of the
  # variables and quote the copies for generation of the libtool script.
  for var in echo old_CC old_CFLAGS AR AR_FLAGS EGREP RANLIB LN_S LTCC LTCFLAGS NM \
    SED SHELL STRIP \
    libname_spec library_names_spec soname_spec extract_expsyms_cmds \
    old_striplib striplib file_magic_cmd finish_cmds finish_eval \
    deplibs_check_method reload_flag reload_cmds need_locks \
    lt_cv_sys_global_symbol_pipe lt_cv_sys_global_symbol_to_cdecl \
    lt_cv_sys_global_symbol_to_c_name_address \
    sys_lib_search_path_spec sys_lib_dlsearch_path_spec \
    old_postinstall_cmds old_postuninstall_cmds \
    _LT_AC_TAGVAR(compiler, $1) \
    _LT_AC_TAGVAR(CC, $1) \
    _LT_AC_TAGVAR(LD, $1) \
    _LT_AC_TAGVAR(lt_prog_compiler_wl, $1) \
    _LT_AC_TAGVAR(lt_prog_compiler_pic, $1) \
    _LT_AC_TAGVAR(lt_prog_compiler_static, $1) \
    _LT_AC_TAGVAR(lt_prog_compiler_no_builtin_flag, $1) \
    _LT_AC_TAGVAR(export_dynamic_flag_spec, $1) \
    _LT_AC_TAGVAR(thread_safe_flag_spec, $1) \
    _LT_AC_TAGVAR(whole_archive_flag_spec, $1) \
    _LT_AC_TAGVAR(enable_shared_with_static_runtimes, $1) \
    _LT_AC_TAGVAR(old_archive_cmds, $1) \
    _LT_AC_TAGVAR(old_archive_from_new_cmds, $1) \
    _LT_AC_TAGVAR(predep_objects, $1) \
    _LT_AC_TAGVAR(postdep_objects, $1) \
    _LT_AC_TAGVAR(predeps, $1) \
    _LT_AC_TAGVAR(postdeps, $1) \
    _LT_AC_TAGVAR(compiler_lib_search_path, $1) \
    _LT_AC_TAGVAR(compiler_lib_search_dirs, $1) \
    _LT_AC_TAGVAR(archive_cmds, $1) \
    _LT_AC_TAGVAR(archive_expsym_cmds, $1) \
    _LT_AC_TAGVAR(postinstall_cmds, $1) \
    _LT_AC_TAGVAR(postuninstall_cmds, $1) \
    _LT_AC_TAGVAR(old_archive_from_expsyms_cmds, $1) \
    _LT_AC_TAGVAR(allow_undefined_flag, $1) \
    _LT_AC_TAGVAR(no_undefined_flag, $1) \
    _LT_AC_TAGVAR(export_symbols_cmds, $1) \
    _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1) \
    _LT_AC_TAGVAR(hardcode_libdir_flag_spec_ld, $1) \
    _LT_AC_TAGVAR(hardcode_libdir_separator, $1) \
    _LT_AC_TAGVAR(hardcode_automatic, $1) \
    _LT_AC_TAGVAR(module_cmds, $1) \
    _LT_AC_TAGVAR(module_expsym_cmds, $1) \
    _LT_AC_TAGVAR(lt_cv_prog_compiler_c_o, $1) \
    _LT_AC_TAGVAR(fix_srcfile_path, $1) \
    _LT_AC_TAGVAR(exclude_expsyms, $1) \
    _LT_AC_TAGVAR(include_expsyms, $1); do

    case $var in
    _LT_AC_TAGVAR(old_archive_cmds, $1) | \
    _LT_AC_TAGVAR(old_archive_from_new_cmds, $1) | \
    _LT_AC_TAGVAR(archive_cmds, $1) | \
    _LT_AC_TAGVAR(archive_expsym_cmds, $1) | \
    _LT_AC_TAGVAR(module_cmds, $1) | \
    _LT_AC_TAGVAR(module_expsym_cmds, $1) | \
    _LT_AC_TAGVAR(old_archive_from_expsyms_cmds, $1) | \
    _LT_AC_TAGVAR(export_symbols_cmds, $1) | \
    extract_expsyms_cmds | reload_cmds | finish_cmds | \
    postinstall_cmds | postuninstall_cmds | \
    old_postinstall_cmds | old_postuninstall_cmds | \
    sys_lib_search_path_spec | sys_lib_dlsearch_path_spec)
      # Double-quote double-evaled strings.
      eval "lt_$var=\\\"\`\$echo \"X\$$var\" | \$Xsed -e \"\$double_quote_subst\" -e \"\$sed_quote_subst\" -e \"\$delay_variable_subst\"\`\\\""
      ;;
    *)
      eval "lt_$var=\\\"\`\$echo \"X\$$var\" | \$Xsed -e \"\$sed_quote_subst\"\`\\\""
      ;;
    esac
  done

  case $lt_echo in
  *'\[$]0 --fallback-echo"')
    lt_echo=`$echo "X$lt_echo" | $Xsed -e 's/\\\\\\\[$]0 --fallback-echo"[$]/[$]0 --fallback-echo"/'`
    ;;
  esac

ifelse([$1], [],
  [cfgfile="${ofile}T"
  trap "$rm \"$cfgfile\"; exit 1" 1 2 15
  $rm -f "$cfgfile"
  AC_MSG_RESULT([
creating $ofile])],
  [cfgfile="$ofile"])

  cat <<__EOF__ >> "$cfgfile"
ifelse([$1], [],
[#! $SHELL

# `$echo "$cfgfile" | sed 's%^.*/%%'` - Provide generalized library-building support services.
# Generated automatically by $PROGRAM (GNU $PACKAGE $VERSION$TIMESTAMP)
# NOTE: Changes made to this file will be lost: look at ltmain.sh.
#
# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
# Free Software Foundation, Inc.
#
# This file is part of GNU Libtool:
# Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# As a special exception to the GNU General Public License, if you
# distribute this file as part of a program that contains a
# configuration script generated by Autoconf, you may include it under
# the same distribution terms that you use for the rest of that program.

# A sed program that does not truncate output.
SED=$lt_SED

# Sed that helps us avoid accidentally triggering echo(1) options like -n.
Xsed="$SED -e 1s/^X//"

# The HP-UX ksh and POSIX shell print the target directory to stdout
# if CDPATH is set.
(unset CDPATH) >/dev/null 2>&1 && unset CDPATH

# The names of the tagged configurations supported by this script.
available_tags=

# ### BEGIN LIBTOOL CONFIG],
[# ### BEGIN LIBTOOL TAG CONFIG: $tagname])

# Libtool was configured on host `(hostname || uname -n) 2>/dev/null | sed 1q`:

# Shell to use when invoking shell scripts.
SHELL=$lt_SHELL

# Whether or not to build shared libraries.
build_libtool_libs=$enable_shared

# Whether or not to build static libraries.
build_old_libs=$enable_static

# Whether or not to add -lc for building shared libraries.
build_libtool_need_lc=$_LT_AC_TAGVAR(archive_cmds_need_lc, $1)

# Whether or not to disallow shared libs when runtime libs are static
allow_libtool_libs_with_static_runtimes=$_LT_AC_TAGVAR(enable_shared_with_static_runtimes, $1)

# Whether or not to optimize for fast installation.
fast_install=$enable_fast_install

# The host system.
host_alias=$host_alias
host=$host
host_os=$host_os

# The build system.
build_alias=$build_alias
build=$build
build_os=$build_os

# An echo program that does not interpret backslashes.
echo=$lt_echo

# The archiver.
AR=$lt_AR
AR_FLAGS=$lt_AR_FLAGS

# A C compiler.
LTCC=$lt_LTCC

# LTCC compiler flags.
LTCFLAGS=$lt_LTCFLAGS

# A language-specific compiler.
CC=$lt_[]_LT_AC_TAGVAR(compiler, $1)

# Is the compiler the GNU C compiler?
with_gcc=$_LT_AC_TAGVAR(GCC, $1)

# An ERE matcher.
EGREP=$lt_EGREP

# The linker used to build libraries.
LD=$lt_[]_LT_AC_TAGVAR(LD, $1)

# Whether we need hard or soft links.
LN_S=$lt_LN_S

# A BSD-compatible nm program.
NM=$lt_NM

# A symbol stripping program
STRIP=$lt_STRIP

# Used to examine libraries when file_magic_cmd begins "file"
MAGIC_CMD=$MAGIC_CMD

# Used on cygwin: DLL creation program.
DLLTOOL="$DLLTOOL"

# Used on cygwin: object dumper.
OBJDUMP="$OBJDUMP"

# Used on cygwin: assembler.
AS="$AS"

# The name of the directory that contains temporary libtool files.
objdir=$objdir

# How to create reloadable object files.
reload_flag=$lt_reload_flag
reload_cmds=$lt_reload_cmds

# How to pass a linker flag through the compiler.
wl=$lt_[]_LT_AC_TAGVAR(lt_prog_compiler_wl, $1)

# Object file suffix (normally "o").
objext="$ac_objext"

# Old archive suffix (normally "a").
libext="$libext"

# Shared library suffix (normally ".so").
shrext_cmds='$shrext_cmds'

# Executable file suffix (normally "").
exeext="$exeext"

# Additional compiler flags for building library objects.
pic_flag=$lt_[]_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)
pic_mode=$pic_mode

# What is the maximum length of a command?
max_cmd_len=$lt_cv_sys_max_cmd_len

# Does compiler simultaneously support -c and -o options?
compiler_c_o=$lt_[]_LT_AC_TAGVAR(lt_cv_prog_compiler_c_o, $1)

# Must we lock files when doing compilation?
need_locks=$lt_need_locks

# Do we need the lib prefix for modules?
need_lib_prefix=$need_lib_prefix

# Do we need a version for libraries?
need_version=$need_version

# Whether dlopen is supported.
dlopen_support=$enable_dlopen

# Whether dlopen of programs is supported.
dlopen_self=$enable_dlopen_self

# Whether dlopen of statically linked programs is supported.
dlopen_self_static=$enable_dlopen_self_static

# Compiler flag to prevent dynamic linking.
link_static_flag=$lt_[]_LT_AC_TAGVAR(lt_prog_compiler_static, $1)

# Compiler flag to turn off builtin functions.
no_builtin_flag=$lt_[]_LT_AC_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)

# Compiler flag to allow reflexive dlopens.
export_dynamic_flag_spec=$lt_[]_LT_AC_TAGVAR(export_dynamic_flag_spec, $1)

# Compiler flag to generate shared objects directly from archives.
whole_archive_flag_spec=$lt_[]_LT_AC_TAGVAR(whole_archive_flag_spec, $1)

# Compiler flag to generate thread-safe objects.
thread_safe_flag_spec=$lt_[]_LT_AC_TAGVAR(thread_safe_flag_spec, $1)

# Library versioning type.
version_type=$version_type

# Format of library name prefix.
libname_spec=$lt_libname_spec

# List of archive names.  First name is the real one, the rest are links.
# The last name is the one that the linker finds with -lNAME.
library_names_spec=$lt_library_names_spec

# The coded name of the library, if different from the real name.
soname_spec=$lt_soname_spec

# Commands used to build and install an old-style archive.
RANLIB=$lt_RANLIB
old_archive_cmds=$lt_[]_LT_AC_TAGVAR(old_archive_cmds, $1)
old_postinstall_cmds=$lt_old_postinstall_cmds
old_postuninstall_cmds=$lt_old_postuninstall_cmds

# Create an old-style archive from a shared archive.
old_archive_from_new_cmds=$lt_[]_LT_AC_TAGVAR(old_archive_from_new_cmds, $1)

# Create a temporary old-style archive to link instead of a shared archive.
old_archive_from_expsyms_cmds=$lt_[]_LT_AC_TAGVAR(old_archive_from_expsyms_cmds, $1)

# Commands used to build and install a shared archive.
archive_cmds=$lt_[]_LT_AC_TAGVAR(archive_cmds, $1)
archive_expsym_cmds=$lt_[]_LT_AC_TAGVAR(archive_expsym_cmds, $1)
postinstall_cmds=$lt_postinstall_cmds
postuninstall_cmds=$lt_postuninstall_cmds

# Commands used to build a loadable module (assumed same as above if empty)
module_cmds=$lt_[]_LT_AC_TAGVAR(module_cmds, $1)
module_expsym_cmds=$lt_[]_LT_AC_TAGVAR(module_expsym_cmds, $1)

# Commands to strip libraries.
old_striplib=$lt_old_striplib
striplib=$lt_striplib

# Dependencies to place before the objects being linked to create a
# shared library.
predep_objects=$lt_[]_LT_AC_TAGVAR(predep_objects, $1)

# Dependencies to place after the objects being linked to create a
# shared library.
postdep_objects=$lt_[]_LT_AC_TAGVAR(postdep_objects, $1)

# Dependencies to place before the objects being linked to create a
# shared library.
predeps=$lt_[]_LT_AC_TAGVAR(predeps, $1)

# Dependencies to place after the objects being linked to create a
# shared library.
postdeps=$lt_[]_LT_AC_TAGVAR(postdeps, $1)

# The directories searched by this compiler when creating a shared
# library
compiler_lib_search_dirs=$lt_[]_LT_AC_TAGVAR(compiler_lib_search_dirs, $1)

# The library search path used internally by the compiler when linking
# a shared library.
compiler_lib_search_path=$lt_[]_LT_AC_TAGVAR(compiler_lib_search_path, $1)

# Method to check whether dependent libraries are shared objects.
deplibs_check_method=$lt_deplibs_check_method

# Command to use when deplibs_check_method == file_magic.
file_magic_cmd=$lt_file_magic_cmd

# Flag that allows shared libraries with undefined symbols to be built.
allow_undefined_flag=$lt_[]_LT_AC_TAGVAR(allow_undefined_flag, $1)

# Flag that forces no undefined symbols.
no_undefined_flag=$lt_[]_LT_AC_TAGVAR(no_undefined_flag, $1)

# Commands used to finish a libtool library installation in a directory.
finish_cmds=$lt_finish_cmds

# Same as above, but a single script fragment to be evaled but not shown.
finish_eval=$lt_finish_eval

# Take the output of nm and produce a listing of raw symbols and C names.
global_symbol_pipe=$lt_lt_cv_sys_global_symbol_pipe

# Transform the output of nm in a proper C declaration
global_symbol_to_cdecl=$lt_lt_cv_sys_global_symbol_to_cdecl

# Transform the output of nm in a C name address pair
global_symbol_to_c_name_address=$lt_lt_cv_sys_global_symbol_to_c_name_address

# This is the shared library runtime path variable.
runpath_var=$runpath_var

# This is the shared library path variable.
shlibpath_var=$shlibpath_var

# Is shlibpath searched before the hard-coded library search path?
shlibpath_overrides_runpath=$shlibpath_overrides_runpath

# How to hardcode a shared library path into an executable.
hardcode_action=$_LT_AC_TAGVAR(hardcode_action, $1)

# Whether we should hardcode library paths into libraries.
hardcode_into_libs=$hardcode_into_libs

# Flag to hardcode \$libdir into a binary during linking.
# This must work even if \$libdir does not exist.
hardcode_libdir_flag_spec=$lt_[]_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)

# If ld is used when linking, flag to hardcode \$libdir into
# a binary during linking. This must work even if \$libdir does
# not exist.
hardcode_libdir_flag_spec_ld=$lt_[]_LT_AC_TAGVAR(hardcode_libdir_flag_spec_ld, $1)

# Whether we need a single -rpath flag with a separated argument.
hardcode_libdir_separator=$lt_[]_LT_AC_TAGVAR(hardcode_libdir_separator, $1)

# Set to yes if using DIR/libNAME${shared_ext} during linking hardcodes DIR into the
# resulting binary.
hardcode_direct=$_LT_AC_TAGVAR(hardcode_direct, $1)

# Set to yes if using the -LDIR flag during linking hardcodes DIR into the
# resulting binary.
hardcode_minus_L=$_LT_AC_TAGVAR(hardcode_minus_L, $1)

# Set to yes if using SHLIBPATH_VAR=DIR during linking hardcodes DIR into
# the resulting binary.
hardcode_shlibpath_var=$_LT_AC_TAGVAR(hardcode_shlibpath_var, $1)

# Set to yes if building a shared library automatically hardcodes DIR into the library
# and all subsequent libraries and executables linked against it.
hardcode_automatic=$_LT_AC_TAGVAR(hardcode_automatic, $1)

# Variables whose values should be saved in libtool wrapper scripts and
# restored at relink time.
variables_saved_for_relink="$variables_saved_for_relink"

# Whether libtool must link a program against all its dependency libraries.
link_all_deplibs=$_LT_AC_TAGVAR(link_all_deplibs, $1)

# Compile-time system search path for libraries
sys_lib_search_path_spec=$lt_sys_lib_search_path_spec

# Run-time system search path for libraries
sys_lib_dlsearch_path_spec=$lt_sys_lib_dlsearch_path_spec

# Fix the shell variable \$srcfile for the compiler.
fix_srcfile_path=$lt_fix_srcfile_path

# Set to yes if exported symbols are required.
always_export_symbols=$_LT_AC_TAGVAR(always_export_symbols, $1)

# The commands to list exported symbols.
export_symbols_cmds=$lt_[]_LT_AC_TAGVAR(export_symbols_cmds, $1)

# The commands to extract the exported symbol list from a shared archive.
extract_expsyms_cmds=$lt_extract_expsyms_cmds

# Symbols that should not be listed in the preloaded symbols.
exclude_expsyms=$lt_[]_LT_AC_TAGVAR(exclude_expsyms, $1)

# Symbols that must always be exported.
include_expsyms=$lt_[]_LT_AC_TAGVAR(include_expsyms, $1)

ifelse([$1],[],
[# ### END LIBTOOL CONFIG],
[# ### END LIBTOOL TAG CONFIG: $tagname])

__EOF__

ifelse([$1],[], [
  case $host_os in
  aix3*)
    cat <<\EOF >> "$cfgfile"

# AIX sometimes has problems with the GCC collect2 program.  For some
# reason, if we set the COLLECT_NAMES environment variable, the problems
# vanish in a puff of smoke.
if test "X${COLLECT_NAMES+set}" != Xset; then
  COLLECT_NAMES=
  export COLLECT_NAMES
fi
EOF
    ;;
  esac

  # We use sed instead of cat because bash on DJGPP gets confused if
  # if finds mixed CR/LF and LF-only lines.  Since sed operates in
  # text mode, it properly converts lines to CR/LF.  This bash problem
  # is reportedly fixed, but why not run on old versions too?
  sed '$q' "$ltmain" >> "$cfgfile" || (rm -f "$cfgfile"; exit 1)

  mv -f "$cfgfile" "$ofile" || \
    (rm -f "$ofile" && cp "$cfgfile" "$ofile" && rm -f "$cfgfile")
  chmod +x "$ofile"
])
else
  # If there is no Makefile yet, we rely on a make rule to execute
  # `config.status --recheck' to rerun these tests and create the
  # libtool script then.
  ltmain_in=`echo $ltmain | sed -e 's/\.sh$/.in/'`
  if test -f "$ltmain_in"; then
    test -f Makefile && make "$ltmain"
  fi
fi
])# AC_LIBTOOL_CONFIG


# AC_LIBTOOL_PROG_COMPILER_NO_RTTI([TAGNAME])
# -------------------------------------------
AC_DEFUN([AC_LIBTOOL_PROG_COMPILER_NO_RTTI],
[AC_REQUIRE([_LT_AC_SYS_COMPILER])dnl

_LT_AC_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=

if test "$GCC" = yes; then
  _LT_AC_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -fno-builtin'

  AC_LIBTOOL_COMPILER_OPTION([if $compiler supports -fno-rtti -fno-exceptions],
    lt_cv_prog_compiler_rtti_exceptions,
    [-fno-rtti -fno-exceptions], [],
    [_LT_AC_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)="$_LT_AC_TAGVAR(lt_prog_compiler_no_builtin_flag, $1) -fno-rtti -fno-exceptions"])
fi
])# AC_LIBTOOL_PROG_COMPILER_NO_RTTI


# AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE
# ---------------------------------
AC_DEFUN([AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE],
[AC_REQUIRE([AC_CANONICAL_HOST])
AC_REQUIRE([LT_AC_PROG_SED])
AC_REQUIRE([AC_PROG_NM])
AC_REQUIRE([AC_OBJEXT])
# Check for command to grab the raw symbol name followed by C symbol from nm.
AC_MSG_CHECKING([command to parse $NM output from $compiler object])
AC_CACHE_VAL([lt_cv_sys_global_symbol_pipe],
[
# These are sane defaults that work on at least a few old systems.
# [They come from Ultrix.  What could be older than Ultrix?!! ;)]

# Character class describing NM global symbol codes.
symcode='[[BCDEGRST]]'

# Regexp to match symbols that can be accessed directly from C.
sympat='\([[_A-Za-z]][[_A-Za-z0-9]]*\)'

# Transform an extracted symbol line into a proper C declaration
lt_cv_sys_global_symbol_to_cdecl="sed -n -e 's/^. .* \(.*\)$/extern int \1;/p'"

# Transform an extracted symbol line into symbol name and symbol address
lt_cv_sys_global_symbol_to_c_name_address="sed -n -e 's/^: \([[^ ]]*\) $/  {\\\"\1\\\", (lt_ptr) 0},/p' -e 's/^$symcode \([[^ ]]*\) \([[^ ]]*\)$/  {\"\2\", (lt_ptr) \&\2},/p'"

# Define system-specific variables.
case $host_os in
aix*)
  symcode='[[BCDT]]'
  ;;
cygwin* | mingw* | pw32*)
  symcode='[[ABCDGISTW]]'
  ;;
hpux*) # Its linker distinguishes data from code symbols
  if test "$host_cpu" = ia64; then
    symcode='[[ABCDEGRST]]'
  fi
  lt_cv_sys_global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern int \1();/p' -e 's/^$symcode* .* \(.*\)$/extern char \1;/p'"
  lt_cv_sys_global_symbol_to_c_name_address="sed -n -e 's/^: \([[^ ]]*\) $/  {\\\"\1\\\", (lt_ptr) 0},/p' -e 's/^$symcode* \([[^ ]]*\) \([[^ ]]*\)$/  {\"\2\", (lt_ptr) \&\2},/p'"
  ;;
linux* | k*bsd*-gnu)
  if test "$host_cpu" = ia64; then
    symcode='[[ABCDGIRSTW]]'
    lt_cv_sys_global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern int \1();/p' -e 's/^$symcode* .* \(.*\)$/extern char \1;/p'"
    lt_cv_sys_global_symbol_to_c_name_address="sed -n -e 's/^: \([[^ ]]*\) $/  {\\\"\1\\\", (lt_ptr) 0},/p' -e 's/^$symcode* \([[^ ]]*\) \([[^ ]]*\)$/  {\"\2\", (lt_ptr) \&\2},/p'"
  fi
  ;;
irix* | nonstopux*)
  symcode='[[BCDEGRST]]'
  ;;
osf*)
  symcode='[[BCDEGQRST]]'
  ;;
solaris*)
  symcode='[[BDRT]]'
  ;;
sco3.2v5*)
  symcode='[[DT]]'
  ;;
sysv4.2uw2*)
  symcode='[[DT]]'
  ;;
sysv5* | sco5v6* | unixware* | OpenUNIX*)
  symcode='[[ABDT]]'
  ;;
sysv4)
  symcode='[[DFNSTU]]'
  ;;
esac

# Handle CRLF in mingw tool chain
opt_cr=
case $build_os in
mingw*)
  opt_cr=`echo 'x\{0,1\}' | tr x '\015'` # option cr in regexp
  ;;
esac

# If we're using GNU nm, then use its standard symbol codes.
case `$NM -V 2>&1` in
*GNU* | *'with BFD'*)
  symcode='[[ABCDGIRSTW]]' ;;
esac

# Try without a prefix undercore, then with it.
for ac_symprfx in "" "_"; do

  # Transform symcode, sympat, and symprfx into a raw symbol and a C symbol.
  symxfrm="\\1 $ac_symprfx\\2 \\2"

  # Write the raw and C identifiers.
  lt_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[[ 	]]\($symcode$symcode*\)[[ 	]][[ 	]]*$ac_symprfx$sympat$opt_cr$/$symxfrm/p'"

  # Check to see that the pipe works correctly.
  pipe_works=no

  rm -f conftest*
  cat > conftest.$ac_ext <<EOF
#ifdef __cplusplus
extern "C" {
#endif
char nm_test_var;
void nm_test_func(){}
#ifdef __cplusplus
}
#endif
int main(){nm_test_var='a';nm_test_func();return(0);}
EOF

  if AC_TRY_EVAL(ac_compile); then
    # Now try to grab the symbols.
    nlist=conftest.nm
    if AC_TRY_EVAL(NM conftest.$ac_objext \| $lt_cv_sys_global_symbol_pipe \> $nlist) && test -s "$nlist"; then
      # Try sorting and uniquifying the output.
      if sort "$nlist" | uniq > "$nlist"T; then
	mv -f "$nlist"T "$nlist"
      else
	rm -f "$nlist"T
      fi

      # Make sure that we snagged all the symbols we need.
      if grep ' nm_test_var$' "$nlist" >/dev/null; then
	if grep ' nm_test_func$' "$nlist" >/dev/null; then
	  cat <<EOF > conftest.$ac_ext
#ifdef __cplusplus
extern "C" {
#endif

EOF
	  # Now generate the symbol file.
	  eval "$lt_cv_sys_global_symbol_to_cdecl"' < "$nlist" | grep -v main >> conftest.$ac_ext'

	  cat <<EOF >> conftest.$ac_ext
#if defined (__STDC__) && __STDC__
# define lt_ptr_t void *
#else
# define lt_ptr_t char *
# define const
#endif

/* The mapping between symbol names and symbols. */
const struct {
  const char *name;
  lt_ptr_t address;
}
lt_preloaded_symbols[[]] =
{
EOF
	  $SED "s/^$symcode$symcode* \(.*\) \(.*\)$/  {\"\2\", (lt_ptr_t) \&\2},/" < "$nlist" | grep -v main >> conftest.$ac_ext
	  cat <<\EOF >> conftest.$ac_ext
  {0, (lt_ptr_t) 0}
};

#ifdef __cplusplus
}
#endif
EOF
	  # Now try linking the two files.
	  mv conftest.$ac_objext conftstm.$ac_objext
	  lt_save_LIBS="$LIBS"
	  lt_save_CFLAGS="$CFLAGS"
	  LIBS="conftstm.$ac_objext"
	  CFLAGS="$CFLAGS$_LT_AC_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)"
	  if AC_TRY_EVAL(ac_link) && test -s conftest${ac_exeext}; then
	    pipe_works=yes
	  fi
	  LIBS="$lt_save_LIBS"
	  CFLAGS="$lt_save_CFLAGS"
	else
	  echo "cannot find nm_test_func in $nlist" >&5
	fi
      else
	echo "cannot find nm_test_var in $nlist" >&5
      fi
    else
      echo "cannot run $lt_cv_sys_global_symbol_pipe" >&5
    fi
  else
    echo "$progname: failed program was:" >&5
    cat conftest.$ac_ext >&5
  fi
  rm -rf conftest* conftst*

  # Do not use the global_symbol_pipe unless it works.
  if test "$pipe_works" = yes; then
    break
  else
    lt_cv_sys_global_symbol_pipe=
  fi
done
])
if test -z "$lt_cv_sys_global_symbol_pipe"; then
  lt_cv_sys_global_symbol_to_cdecl=
fi
if test -z "$lt_cv_sys_global_symbol_pipe$lt_cv_sys_global_symbol_to_cdecl"; then
  AC_MSG_RESULT(failed)
else
  AC_MSG_RESULT(ok)
fi
]) # AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE


# AC_LIBTOOL_PROG_COMPILER_PIC([TAGNAME])
# ---------------------------------------
AC_DEFUN([AC_LIBTOOL_PROG_COMPILER_PIC],
[_LT_AC_TAGVAR(lt_prog_compiler_wl, $1)=
_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)=
_LT_AC_TAGVAR(lt_prog_compiler_static, $1)=

AC_MSG_CHECKING([for $compiler option to produce PIC])
 ifelse([$1],[CXX],[
  # C++ specific cases for pic, static, wl, etc.
  if test "$GXX" = yes; then
    _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
    _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-static'

    case $host_os in
    aix*)
      # All AIX code is PIC.
      if test "$host_cpu" = ia64; then
	# AIX 5 now supports IA64 processor
	_LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
      fi
      ;;
    amigaos*)
      # FIXME: we need at least 68020 code to build shared libraries, but
      # adding the `-m68020' flag to GCC prevents building anything better,
      # like `-m68040'.
      _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4'
      ;;
    beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*)
      # PIC is the default for these OSes.
      ;;
    mingw* | cygwin* | os2* | pw32*)
      # This hack is so that the source file can tell whether it is being
      # built for inclusion in a dll (and should export symbols for example).
      # Although the cygwin gcc ignores -fPIC, still need this for old-style
      # (--disable-auto-import) libraries
	  _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT'
      ;;
    darwin* | rhapsody*)
      # PIC is the default on this platform
      # Common symbols not allowed in MH_DYLIB files
      _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common'
      ;;
    *djgpp*)
      # DJGPP does not support shared libraries at all
      _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)=
      ;;
    interix[[3-9]]*)
      # Interix 3.x gcc -fpic/-fPIC options generate broken code.
      # Instead, we relocate shared libraries at runtime.
      ;;
    sysv4*MP*)
      if test -d /usr/nec; then
	_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic
      fi
      ;;
    hpux*)
      # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but
      # not for PA HP-UX.
      case $host_cpu in
      hppa*64*|ia64*)
	;;
      *)
	_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
	;;
      esac
      ;;
    *)
      _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
      ;;
    esac
  else
    case $host_os in
      aix[[4-9]]*)
	# All AIX code is PIC.
	if test "$host_cpu" = ia64; then
	  # AIX 5 now supports IA64 processor
	  _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
	else
	  _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp'
	fi
	;;
      chorus*)
	case $cc_basename in
	cxch68*)
	  # Green Hills C++ Compiler
	  # _LT_AC_TAGVAR(lt_prog_compiler_static, $1)="--no_auto_instantiation -u __main -u __premain -u _abort -r $COOL_DIR/lib/libOrb.a $MVME_DIR/lib/CC/libC.a $MVME_DIR/lib/classix/libcx.s.a"
	  ;;
	esac
	;;
       darwin*)
         # PIC is the default on this platform
         # Common symbols not allowed in MH_DYLIB files
         case $cc_basename in
           xlc*)
           _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-qnocommon'
           _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
           ;;
         esac
       ;;
      dgux*)
	case $cc_basename in
	  ec++*)
	    _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
	    ;;
	  ghcx*)
	    # Green Hills C++ Compiler
	    _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
	    ;;
	  *)
	    ;;
	esac
	;;
      freebsd* | dragonfly*)
	# FreeBSD uses GNU C++
	;;
      hpux9* | hpux10* | hpux11*)
	case $cc_basename in
	  CC*)
	    _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
	    _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='${wl}-a ${wl}archive'
	    if test "$host_cpu" != ia64; then
	      _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='+Z'
	    fi
	    ;;
	  aCC*)
	    _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
	    _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='${wl}-a ${wl}archive'
	    case $host_cpu in
	    hppa*64*|ia64*)
	      # +Z the default
	      ;;
	    *)
	      _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='+Z'
	      ;;
	    esac
	    ;;
	  *)
	    ;;
	esac
	;;
      interix*)
	# This is c89, which is MS Visual C++ (no shared libs)
	# Anyone wants to do a port?
	;;
      irix5* | irix6* | nonstopux*)
	case $cc_basename in
	  CC*)
	    _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
	    _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
	    # CC pic flag -KPIC is the default.
	    ;;
	  *)
	    ;;
	esac
	;;
      linux* | k*bsd*-gnu)
	case $cc_basename in
	  KCC*)
	    # KAI C++ Compiler
	    _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,'
	    _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
	    ;;
      ecpc*)
        # old Intel C++ for x86_64 which still supported -KPIC.
        _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
        _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
        _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-static'
        ;;
      icpc*)
        # Intel C++, used to be incompatible with GCC.
        _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
        _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
        _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-static'
        ;;
	  pgCC* | pgcpp*)
	    # Portland Group C++ compiler.
	    _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
	    _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-fpic'
	    _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
	    ;;
	  cxx*)
	    # Compaq C++
	    # Make sure the PIC flag is empty.  It appears that all Alpha
	    # Linux and Compaq Tru64 Unix objects are PIC.
	    _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)=
	    _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
	    ;;
	  *)
	    case `$CC -V 2>&1 | sed 5q` in
	    *Sun\ C*)
	      # Sun C++ 5.9
	      _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
	      _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
	      _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld '
	      ;;
	    esac
	    ;;
	esac
	;;
      lynxos*)
	;;
      m88k*)
	;;
      mvs*)
	case $cc_basename in
	  cxx*)
	    _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-W c,exportall'
	    ;;
	  *)
	    ;;
	esac
	;;
      netbsd*)
	;;
      osf3* | osf4* | osf5*)
	case $cc_basename in
	  KCC*)
	    _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,'
	    ;;
	  RCC*)
	    # Rational C++ 2.4.1
	    _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
	    ;;
	  cxx*)
	    # Digital/Compaq C++
	    _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
	    # Make sure the PIC flag is empty.  It appears that all Alpha
	    # Linux and Compaq Tru64 Unix objects are PIC.
	    _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)=
	    _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
	    ;;
	  *)
	    ;;
	esac
	;;
      psos*)
	;;
      solaris*)
	case $cc_basename in
	  CC*)
	    # Sun C++ 4.2, 5.x and Centerline C++
	    _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
	    _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
	    _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld '
	    ;;
	  gcx*)
	    # Green Hills C++ Compiler
	    _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-PIC'
	    ;;
	  *)
	    ;;
	esac
	;;
      sunos4*)
	case $cc_basename in
	  CC*)
	    # Sun C++ 4.x
	    _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
	    _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
	    ;;
	  lcc*)
	    # Lucid
	    _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
	    ;;
	  *)
	    ;;
	esac
	;;
      tandem*)
	case $cc_basename in
	  NCC*)
	    # NonStop-UX NCC 3.20
	    _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
	    ;;
	  *)
	    ;;
	esac
	;;
      sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*)
	case $cc_basename in
	  CC*)
	    _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
	    _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
	    _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
	    ;;
	esac
	;;
      vxworks*)
	;;
      *)
	_LT_AC_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no
	;;
    esac
  fi
],
[
  if test "$GCC" = yes; then
    _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
    _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-static'

    case $host_os in
      aix*)
      # All AIX code is PIC.
      if test "$host_cpu" = ia64; then
	# AIX 5 now supports IA64 processor
	_LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
      fi
      ;;

    amigaos*)
      # FIXME: we need at least 68020 code to build shared libraries, but
      # adding the `-m68020' flag to GCC prevents building anything better,
      # like `-m68040'.
      _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4'
      ;;

    beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*)
      # PIC is the default for these OSes.
      ;;

    mingw* | cygwin* | pw32* | os2*)
      # This hack is so that the source file can tell whether it is being
      # built for inclusion in a dll (and should export symbols for example).
      # Although the cygwin gcc ignores -fPIC, still need this for old-style
      # (--disable-auto-import) libraries
	  _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT'
      ;;

    darwin* | rhapsody*)
      # PIC is the default on this platform
      # Common symbols not allowed in MH_DYLIB files
      _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common'
      ;;

    interix[[3-9]]*)
      # Interix 3.x gcc -fpic/-fPIC options generate broken code.
      # Instead, we relocate shared libraries at runtime.
      ;;

    msdosdjgpp*)
      # Just because we use GCC doesn't mean we suddenly get shared libraries
      # on systems that don't support them.
      _LT_AC_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no
      enable_shared=no
      ;;

    sysv4*MP*)
      if test -d /usr/nec; then
	_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic
      fi
      ;;

    hpux*)
      # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but
      # not for PA HP-UX.
      case $host_cpu in
      hppa*64*|ia64*)
	# +Z the default
	;;
      *)
	_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
	;;
      esac
      ;;

    *)
      _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
      ;;
    esac
  else
    # PORTME Check for flag to pass linker flags through the system compiler.
    case $host_os in
    aix*)
      _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
      if test "$host_cpu" = ia64; then
	# AIX 5 now supports IA64 processor
	_LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
      else
	_LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp'
      fi
      ;;
      darwin*)
        # PIC is the default on this platform
        # Common symbols not allowed in MH_DYLIB files
       case $cc_basename in
         xlc*)
         _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-qnocommon'
         _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
         ;;
       esac
       ;;

    mingw* | cygwin* | pw32* | os2*)
      # This hack is so that the source file can tell whether it is being
      # built for inclusion in a dll (and should export symbols for example).
	  _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT'
      ;;

    hpux9* | hpux10* | hpux11*)
      _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
      # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but
      # not for PA HP-UX.
      case $host_cpu in
      hppa*64*|ia64*)
	# +Z the default
	;;
      *)
	_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='+Z'
	;;
      esac
      # Is there a better lt_prog_compiler_static that works with the bundled CC?
      _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='${wl}-a ${wl}archive'
      ;;

    irix5* | irix6* | nonstopux*)
      _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
      # PIC (with -KPIC) is the default.
      _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
      ;;

    newsos6)
      _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
      _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
      ;;

    linux* | k*bsd*-gnu)
      case $cc_basename in
      # old Intel for x86_64 which still supported -KPIC.
      ecc*)
        _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
        _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
        _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-static'
        ;;
      # icc used to be incompatible with GCC.
      # ICC 10 doesn't accept -KPIC any more.
      icc*)
        _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
        _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
        _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-static'
        ;;
      pgcc* | pgf77* | pgf90* | pgf95*)
        # Portland Group compilers (*not* the Pentium gcc compiler,
	# which looks to be a dead project)
	_LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
	_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-fpic'
	_LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
        ;;
      ccc*)
        _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
        # All Alpha code is PIC.
        _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
        ;;
      *)
        case `$CC -V 2>&1 | sed 5q` in
	*Sun\ C*)
	  # Sun C 5.9
	  _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
	  _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
	  _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
	  ;;
	*Sun\ F*)
	  # Sun Fortran 8.3 passes all unrecognized flags to the linker
	  _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
	  _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
	  _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)=''
	  ;;
	esac
	;;
      esac
      ;;

    osf3* | osf4* | osf5*)
      _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
      # All OSF/1 code is PIC.
      _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
      ;;

    rdos*)
      _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
      ;;

    solaris*)
      _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
      _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
      case $cc_basename in
      f77* | f90* | f95*)
	_LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ';;
      *)
	_LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,';;
      esac
      ;;

    sunos4*)
      _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld '
      _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-PIC'
      _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
      ;;

    sysv4 | sysv4.2uw2* | sysv4.3*)
      _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
      _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
      _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
      ;;

    sysv4*MP*)
      if test -d /usr/nec ;then
	_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-Kconform_pic'
	_LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
      fi
      ;;

    sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*)
      _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
      _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
      _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
      ;;

    unicos*)
      _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
      _LT_AC_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no
      ;;

    uts4*)
      _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
      _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
      ;;

    *)
      _LT_AC_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no
      ;;
    esac
  fi
])
AC_MSG_RESULT([$_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)])

#
# Check to make sure the PIC flag actually works.
#
if test -n "$_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)"; then
  AC_LIBTOOL_COMPILER_OPTION([if $compiler PIC flag $_LT_AC_TAGVAR(lt_prog_compiler_pic, $1) works],
    _LT_AC_TAGVAR(lt_cv_prog_compiler_pic_works, $1),
    [$_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)ifelse([$1],[],[ -DPIC],[ifelse([$1],[CXX],[ -DPIC],[])])], [],
    [case $_LT_AC_TAGVAR(lt_prog_compiler_pic, $1) in
     "" | " "*) ;;
     *) _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)=" $_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)" ;;
     esac],
    [_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)=
     _LT_AC_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no])
fi
case $host_os in
  # For platforms which do not support PIC, -DPIC is meaningless:
  *djgpp*)
    _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)=
    ;;
  *)
    _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)="$_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)ifelse([$1],[],[ -DPIC],[ifelse([$1],[CXX],[ -DPIC],[])])"
    ;;
esac

#
# Check to make sure the static flag actually works.
#
wl=$_LT_AC_TAGVAR(lt_prog_compiler_wl, $1) eval lt_tmp_static_flag=\"$_LT_AC_TAGVAR(lt_prog_compiler_static, $1)\"
AC_LIBTOOL_LINKER_OPTION([if $compiler static flag $lt_tmp_static_flag works],
  _LT_AC_TAGVAR(lt_cv_prog_compiler_static_works, $1),
  $lt_tmp_static_flag,
  [],
  [_LT_AC_TAGVAR(lt_prog_compiler_static, $1)=])
])


# AC_LIBTOOL_PROG_LD_SHLIBS([TAGNAME])
# ------------------------------------
# See if the linker supports building shared libraries.
AC_DEFUN([AC_LIBTOOL_PROG_LD_SHLIBS],
[AC_REQUIRE([LT_AC_PROG_SED])dnl
AC_MSG_CHECKING([whether the $compiler linker ($LD) supports shared libraries])
ifelse([$1],[CXX],[
  _LT_AC_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols'
  case $host_os in
  aix[[4-9]]*)
    # If we're using GNU nm, then we don't want the "-C" option.
    # -C means demangle to AIX nm, but means don't demangle with GNU nm
    if $NM -V 2>&1 | grep 'GNU' > /dev/null; then
      _LT_AC_TAGVAR(export_symbols_cmds, $1)='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\[$]2 == "T") || (\[$]2 == "D") || (\[$]2 == "B")) && ([substr](\[$]3,1,1) != ".")) { print \[$]3 } }'\'' | sort -u > $export_symbols'
    else
      _LT_AC_TAGVAR(export_symbols_cmds, $1)='$NM -BCpg $libobjs $convenience | awk '\''{ if (((\[$]2 == "T") || (\[$]2 == "D") || (\[$]2 == "B")) && ([substr](\[$]3,1,1) != ".")) { print \[$]3 } }'\'' | sort -u > $export_symbols'
    fi
    ;;
  pw32*)
    _LT_AC_TAGVAR(export_symbols_cmds, $1)="$ltdll_cmds"
  ;;
  cygwin* | mingw*)
    _LT_AC_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[[BCDGRS]][[ ]]/s/.*[[ ]]\([[^ ]]*\)/\1 DATA/;/^.*[[ ]]__nm__/s/^.*[[ ]]__nm__\([[^ ]]*\)[[ ]][[^ ]]*/\1 DATA/;/^I[[ ]]/d;/^[[AITW]][[ ]]/s/.*[[ ]]//'\'' | sort | uniq > $export_symbols'
  ;;
  *)
    _LT_AC_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols'
  ;;
  esac
  _LT_AC_TAGVAR(exclude_expsyms, $1)=['_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*']
],[
  runpath_var=
  _LT_AC_TAGVAR(allow_undefined_flag, $1)=
  _LT_AC_TAGVAR(enable_shared_with_static_runtimes, $1)=no
  _LT_AC_TAGVAR(archive_cmds, $1)=
  _LT_AC_TAGVAR(archive_expsym_cmds, $1)=
  _LT_AC_TAGVAR(old_archive_From_new_cmds, $1)=
  _LT_AC_TAGVAR(old_archive_from_expsyms_cmds, $1)=
  _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)=
  _LT_AC_TAGVAR(whole_archive_flag_spec, $1)=
  _LT_AC_TAGVAR(thread_safe_flag_spec, $1)=
  _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)=
  _LT_AC_TAGVAR(hardcode_libdir_flag_spec_ld, $1)=
  _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=
  _LT_AC_TAGVAR(hardcode_direct, $1)=no
  _LT_AC_TAGVAR(hardcode_minus_L, $1)=no
  _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=unsupported
  _LT_AC_TAGVAR(link_all_deplibs, $1)=unknown
  _LT_AC_TAGVAR(hardcode_automatic, $1)=no
  _LT_AC_TAGVAR(module_cmds, $1)=
  _LT_AC_TAGVAR(module_expsym_cmds, $1)=
  _LT_AC_TAGVAR(always_export_symbols, $1)=no
  _LT_AC_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols'
  # include_expsyms should be a list of space-separated symbols to be *always*
  # included in the symbol list
  _LT_AC_TAGVAR(include_expsyms, $1)=
  # exclude_expsyms can be an extended regexp of symbols to exclude
  # it will be wrapped by ` (' and `)$', so one must not match beginning or
  # end of line.  Example: `a|bc|.*d.*' will exclude the symbols `a' and `bc',
  # as well as any symbol that contains `d'.
  _LT_AC_TAGVAR(exclude_expsyms, $1)=['_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*']
  # Although _GLOBAL_OFFSET_TABLE_ is a valid symbol C name, most a.out
  # platforms (ab)use it in PIC code, but their linkers get confused if
  # the symbol is explicitly referenced.  Since portable code cannot
  # rely on this symbol name, it's probably fine to never include it in
  # preloaded symbol tables.
  # Exclude shared library initialization/finalization symbols.
dnl Note also adjust exclude_expsyms for C++ above.
  extract_expsyms_cmds=
  # Just being paranoid about ensuring that cc_basename is set.
  _LT_CC_BASENAME([$compiler])
  case $host_os in
  cygwin* | mingw* | pw32*)
    # FIXME: the MSVC++ port hasn't been tested in a loooong time
    # When not using gcc, we currently assume that we are using
    # Microsoft Visual C++.
    if test "$GCC" != yes; then
      with_gnu_ld=no
    fi
    ;;
  interix*)
    # we just hope/assume this is gcc and not c89 (= MSVC++)
    with_gnu_ld=yes
    ;;
  openbsd*)
    with_gnu_ld=no
    ;;
  esac

  _LT_AC_TAGVAR(ld_shlibs, $1)=yes
  if test "$with_gnu_ld" = yes; then
    # If archive_cmds runs LD, not CC, wlarc should be empty
    wlarc='${wl}'

    # Set some defaults for GNU ld with shared library support. These
    # are reset later if shared libraries are not supported. Putting them
    # here allows them to be overridden if necessary.
    runpath_var=LD_RUN_PATH
    _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}--rpath ${wl}$libdir'
    _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic'
    # ancient GNU ld didn't support --whole-archive et. al.
    if $LD --help 2>&1 | grep 'no-whole-archive' > /dev/null; then
	_LT_AC_TAGVAR(whole_archive_flag_spec, $1)="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
      else
  	_LT_AC_TAGVAR(whole_archive_flag_spec, $1)=
    fi
    supports_anon_versioning=no
    case `$LD -v 2>/dev/null` in
      *\ [[01]].* | *\ 2.[[0-9]].* | *\ 2.10.*) ;; # catch versions < 2.11
      *\ 2.11.93.0.2\ *) supports_anon_versioning=yes ;; # RH7.3 ...
      *\ 2.11.92.0.12\ *) supports_anon_versioning=yes ;; # Mandrake 8.2 ...
      *\ 2.11.*) ;; # other 2.11 versions
      *) supports_anon_versioning=yes ;;
    esac

    # See if GNU ld supports shared libraries.
    case $host_os in
    aix[[3-9]]*)
      # On AIX/PPC, the GNU linker is very broken
      if test "$host_cpu" != ia64; then
	_LT_AC_TAGVAR(ld_shlibs, $1)=no
	cat <<EOF 1>&2

*** Warning: the GNU linker, at least up to release 2.9.1, is reported
*** to be unable to reliably create shared libraries on AIX.
*** Therefore, libtool is disabling shared libraries support.  If you
*** really care for shared libraries, you may want to modify your PATH
*** so that a non-GNU linker is found, and then restart.

EOF
      fi
      ;;

    amigaos*)
      _LT_AC_TAGVAR(archive_cmds, $1)='$rm $output_objdir/a2ixlibrary.data~$echo "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$echo "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$echo "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$echo "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)'
      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
      _LT_AC_TAGVAR(hardcode_minus_L, $1)=yes

      # Samuel A. Falvo II <kc5tja@dolphin.openprojects.net> reports
      # that the semantics of dynamic libraries on AmigaOS, at least up
      # to version 4, is to share data among multiple programs linked
      # with the same dynamic library.  Since this doesn't match the
      # behavior of shared libraries on other platforms, we can't use
      # them.
      _LT_AC_TAGVAR(ld_shlibs, $1)=no
      ;;

    beos*)
      if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
	_LT_AC_TAGVAR(allow_undefined_flag, $1)=unsupported
	# Joseph Beckenbach <jrb3@best.com> says some releases of gcc
	# support --undefined.  This deserves some investigation.  FIXME
	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -nostart $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
      else
	_LT_AC_TAGVAR(ld_shlibs, $1)=no
      fi
      ;;

    cygwin* | mingw* | pw32*)
      # _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1) is actually meaningless,
      # as there is no search path for DLLs.
      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
      _LT_AC_TAGVAR(allow_undefined_flag, $1)=unsupported
      _LT_AC_TAGVAR(always_export_symbols, $1)=no
      _LT_AC_TAGVAR(enable_shared_with_static_runtimes, $1)=yes
      _LT_AC_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[[BCDGRS]][[ ]]/s/.*[[ ]]\([[^ ]]*\)/\1 DATA/'\'' -e '\''/^[[AITW]][[ ]]/s/.*[[ ]]//'\'' | sort | uniq > $export_symbols'

      if $LD --help 2>&1 | grep 'auto-import' > /dev/null; then
        _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
	# If the export-symbols file already is a .def file (1st line
	# is EXPORTS), use it as is; otherwise, prepend...
	_LT_AC_TAGVAR(archive_expsym_cmds, $1)='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then
	  cp $export_symbols $output_objdir/$soname.def;
	else
	  echo EXPORTS > $output_objdir/$soname.def;
	  cat $export_symbols >> $output_objdir/$soname.def;
	fi~
	$CC -shared $output_objdir/$soname.def $libobjs $deplibs $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
      else
	_LT_AC_TAGVAR(ld_shlibs, $1)=no
      fi
      ;;

    interix[[3-9]]*)
      _LT_AC_TAGVAR(hardcode_direct, $1)=no
      _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
      _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
      # Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc.
      # Instead, shared libraries are loaded at an image base (0x10000000 by
      # default) and relocated if they conflict, which is a slow very memory
      # consuming and fragmenting process.  To avoid this, we pick a random,
      # 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link
      # time.  Moving up from 0x10000000 also allows more sbrk(2) space.
      _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
      _LT_AC_TAGVAR(archive_expsym_cmds, $1)='sed "s,^,_," $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--retain-symbols-file,$output_objdir/$soname.expsym ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
      ;;

    gnu* | linux* | k*bsd*-gnu)
      if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
	tmp_addflag=
	case $cc_basename,$host_cpu in
	pgcc*)				# Portland Group C compiler
	  _LT_AC_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; $echo \"$new_convenience\"` ${wl}--no-whole-archive'
	  tmp_addflag=' $pic_flag'
	  ;;
	pgf77* | pgf90* | pgf95*)	# Portland Group f77 and f90 compilers
	  _LT_AC_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; $echo \"$new_convenience\"` ${wl}--no-whole-archive'
	  tmp_addflag=' $pic_flag -Mnomain' ;;
	ecc*,ia64* | icc*,ia64*)		# Intel C compiler on ia64
	  tmp_addflag=' -i_dynamic' ;;
	efc*,ia64* | ifort*,ia64*)	# Intel Fortran compiler on ia64
	  tmp_addflag=' -i_dynamic -nofor_main' ;;
	ifc* | ifort*)			# Intel Fortran compiler
	  tmp_addflag=' -nofor_main' ;;
	esac
	case `$CC -V 2>&1 | sed 5q` in
	*Sun\ C*)			# Sun C 5.9
	  _LT_AC_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; $echo \"$new_convenience\"` ${wl}--no-whole-archive'
	  tmp_sharedflag='-G' ;;
	*Sun\ F*)			# Sun Fortran 8.3
	  tmp_sharedflag='-G' ;;
	*)
	  tmp_sharedflag='-shared' ;;
	esac
	_LT_AC_TAGVAR(archive_cmds, $1)='$CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'

	if test $supports_anon_versioning = yes; then
	  _LT_AC_TAGVAR(archive_expsym_cmds, $1)='$echo "{ global:" > $output_objdir/$libname.ver~
  cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~
  $echo "local: *; };" >> $output_objdir/$libname.ver~
	  $CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-version-script ${wl}$output_objdir/$libname.ver -o $lib'
	fi
      else
	_LT_AC_TAGVAR(ld_shlibs, $1)=no
      fi
      ;;

    netbsd*)
      if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
	_LT_AC_TAGVAR(archive_cmds, $1)='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib'
	wlarc=
      else
	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
	_LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
      fi
      ;;

    solaris*)
      if $LD -v 2>&1 | grep 'BFD 2\.8' > /dev/null; then
	_LT_AC_TAGVAR(ld_shlibs, $1)=no
	cat <<EOF 1>&2

*** Warning: The releases 2.8.* of the GNU linker cannot reliably
*** create shared libraries on Solaris systems.  Therefore, libtool
*** is disabling shared libraries support.  We urge you to upgrade GNU
*** binutils to release 2.9.1 or newer.  Another option is to modify
*** your PATH or compiler configuration so that the native linker is
*** used, and then restart.

EOF
      elif $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
	_LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
      else
	_LT_AC_TAGVAR(ld_shlibs, $1)=no
      fi
      ;;

    sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX*)
      case `$LD -v 2>&1` in
        *\ [[01]].* | *\ 2.[[0-9]].* | *\ 2.1[[0-5]].*)
	_LT_AC_TAGVAR(ld_shlibs, $1)=no
	cat <<_LT_EOF 1>&2

*** Warning: Releases of the GNU linker prior to 2.16.91.0.3 can not
*** reliably create shared libraries on SCO systems.  Therefore, libtool
*** is disabling shared libraries support.  We urge you to upgrade GNU
*** binutils to release 2.16.91.0.3 or newer.  Another option is to modify
*** your PATH or compiler configuration so that the native linker is
*** used, and then restart.

_LT_EOF
	;;
	*)
	  if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
	    _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='`test -z "$SCOABSPATH" && echo ${wl}-rpath,$libdir`'
	    _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname,\${SCOABSPATH:+${install_libdir}/}$soname -o $lib'
	    _LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname,\${SCOABSPATH:+${install_libdir}/}$soname,-retain-symbols-file,$export_symbols -o $lib'
	  else
	    _LT_AC_TAGVAR(ld_shlibs, $1)=no
	  fi
	;;
      esac
      ;;

    sunos4*)
      _LT_AC_TAGVAR(archive_cmds, $1)='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linker_flags'
      wlarc=
      _LT_AC_TAGVAR(hardcode_direct, $1)=yes
      _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
      ;;

    *)
      if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
	_LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
      else
	_LT_AC_TAGVAR(ld_shlibs, $1)=no
      fi
      ;;
    esac

    if test "$_LT_AC_TAGVAR(ld_shlibs, $1)" = no; then
      runpath_var=
      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)=
      _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)=
      _LT_AC_TAGVAR(whole_archive_flag_spec, $1)=
    fi
  else
    # PORTME fill in a description of your system's linker (not GNU ld)
    case $host_os in
    aix3*)
      _LT_AC_TAGVAR(allow_undefined_flag, $1)=unsupported
      _LT_AC_TAGVAR(always_export_symbols, $1)=yes
      _LT_AC_TAGVAR(archive_expsym_cmds, $1)='$LD -o $output_objdir/$soname $libobjs $deplibs $linker_flags -bE:$export_symbols -T512 -H512 -bM:SRE~$AR $AR_FLAGS $lib $output_objdir/$soname'
      # Note: this linker hardcodes the directories in LIBPATH if there
      # are no directories specified by -L.
      _LT_AC_TAGVAR(hardcode_minus_L, $1)=yes
      if test "$GCC" = yes && test -z "$lt_prog_compiler_static"; then
	# Neither direct hardcoding nor static linking is supported with a
	# broken collect2.
	_LT_AC_TAGVAR(hardcode_direct, $1)=unsupported
      fi
      ;;

    aix[[4-9]]*)
      if test "$host_cpu" = ia64; then
	# On IA64, the linker does run time linking by default, so we don't
	# have to do anything special.
	aix_use_runtimelinking=no
	exp_sym_flag='-Bexport'
	no_entry_flag=""
      else
	# If we're using GNU nm, then we don't want the "-C" option.
	# -C means demangle to AIX nm, but means don't demangle with GNU nm
	if $NM -V 2>&1 | grep 'GNU' > /dev/null; then
	  _LT_AC_TAGVAR(export_symbols_cmds, $1)='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\[$]2 == "T") || (\[$]2 == "D") || (\[$]2 == "B")) && ([substr](\[$]3,1,1) != ".")) { print \[$]3 } }'\'' | sort -u > $export_symbols'
	else
	  _LT_AC_TAGVAR(export_symbols_cmds, $1)='$NM -BCpg $libobjs $convenience | awk '\''{ if (((\[$]2 == "T") || (\[$]2 == "D") || (\[$]2 == "B")) && ([substr](\[$]3,1,1) != ".")) { print \[$]3 } }'\'' | sort -u > $export_symbols'
	fi
	aix_use_runtimelinking=no

	# Test if we are trying to use run time linking or normal
	# AIX style linking. If -brtl is somewhere in LDFLAGS, we
	# need to do runtime linking.
	case $host_os in aix4.[[23]]|aix4.[[23]].*|aix[[5-9]]*)
	  for ld_flag in $LDFLAGS; do
  	  if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl"); then
  	    aix_use_runtimelinking=yes
  	    break
  	  fi
	  done
	  ;;
	esac

	exp_sym_flag='-bexport'
	no_entry_flag='-bnoentry'
      fi

      # When large executables or shared objects are built, AIX ld can
      # have problems creating the table of contents.  If linking a library
      # or program results in "error TOC overflow" add -mminimal-toc to
      # CXXFLAGS/CFLAGS for g++/gcc.  In the cases where that is not
      # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS.

      _LT_AC_TAGVAR(archive_cmds, $1)=''
      _LT_AC_TAGVAR(hardcode_direct, $1)=yes
      _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=':'
      _LT_AC_TAGVAR(link_all_deplibs, $1)=yes

      if test "$GCC" = yes; then
	case $host_os in aix4.[[012]]|aix4.[[012]].*)
	# We only want to do this on AIX 4.2 and lower, the check
	# below for broken collect2 doesn't work under 4.3+
	  collect2name=`${CC} -print-prog-name=collect2`
	  if test -f "$collect2name" && \
  	   strings "$collect2name" | grep resolve_lib_name >/dev/null
	  then
  	  # We have reworked collect2
  	  :
	  else
  	  # We have old collect2
  	  _LT_AC_TAGVAR(hardcode_direct, $1)=unsupported
  	  # It fails to find uninstalled libraries when the uninstalled
  	  # path is not listed in the libpath.  Setting hardcode_minus_L
  	  # to unsupported forces relinking
  	  _LT_AC_TAGVAR(hardcode_minus_L, $1)=yes
  	  _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
  	  _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=
	  fi
	  ;;
	esac
	shared_flag='-shared'
	if test "$aix_use_runtimelinking" = yes; then
	  shared_flag="$shared_flag "'${wl}-G'
	fi
      else
	# not using gcc
	if test "$host_cpu" = ia64; then
  	# VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release
  	# chokes on -Wl,-G. The following line is correct:
	  shared_flag='-G'
	else
	  if test "$aix_use_runtimelinking" = yes; then
	    shared_flag='${wl}-G'
	  else
	    shared_flag='${wl}-bM:SRE'
	  fi
	fi
      fi

      # It seems that -bexpall does not export symbols beginning with
      # underscore (_), so it is better to generate a list of symbols to export.
      _LT_AC_TAGVAR(always_export_symbols, $1)=yes
      if test "$aix_use_runtimelinking" = yes; then
	# Warning - without using the other runtime loading flags (-brtl),
	# -berok will link without error, but may produce a broken library.
	_LT_AC_TAGVAR(allow_undefined_flag, $1)='-berok'
       # Determine the default libpath from the value encoded in an empty executable.
       _LT_AC_SYS_LIBPATH_AIX
       _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-blibpath:$libdir:'"$aix_libpath"
	_LT_AC_TAGVAR(archive_expsym_cmds, $1)="\$CC"' -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags `if test "x${allow_undefined_flag}" != "x"; then echo "${wl}${allow_undefined_flag}"; else :; fi` '"\${wl}$exp_sym_flag:\$export_symbols $shared_flag"
       else
	if test "$host_cpu" = ia64; then
	  _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-R $libdir:/usr/lib:/lib'
	  _LT_AC_TAGVAR(allow_undefined_flag, $1)="-z nodefs"
	  _LT_AC_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags ${wl}${allow_undefined_flag} '"\${wl}$exp_sym_flag:\$export_symbols"
	else
	 # Determine the default libpath from the value encoded in an empty executable.
	 _LT_AC_SYS_LIBPATH_AIX
	 _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-blibpath:$libdir:'"$aix_libpath"
	  # Warning - without using the other run time loading flags,
	  # -berok will link without error, but may produce a broken library.
	  _LT_AC_TAGVAR(no_undefined_flag, $1)=' ${wl}-bernotok'
	  _LT_AC_TAGVAR(allow_undefined_flag, $1)=' ${wl}-berok'
	  # Exported symbols can be pulled into shared objects from archives
	  _LT_AC_TAGVAR(whole_archive_flag_spec, $1)='$convenience'
	  _LT_AC_TAGVAR(archive_cmds_need_lc, $1)=yes
	  # This is similar to how AIX traditionally builds its shared libraries.
	  _LT_AC_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs ${wl}-bnoentry $compiler_flags ${wl}-bE:$export_symbols${allow_undefined_flag}~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$soname'
	fi
      fi
      ;;

    amigaos*)
      _LT_AC_TAGVAR(archive_cmds, $1)='$rm $output_objdir/a2ixlibrary.data~$echo "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$echo "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$echo "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$echo "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)'
      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
      _LT_AC_TAGVAR(hardcode_minus_L, $1)=yes
      # see comment about different semantics on the GNU ld section
      _LT_AC_TAGVAR(ld_shlibs, $1)=no
      ;;

    bsdi[[45]]*)
      _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)=-rdynamic
      ;;

    cygwin* | mingw* | pw32*)
      # When not using gcc, we currently assume that we are using
      # Microsoft Visual C++.
      # hardcode_libdir_flag_spec is actually meaningless, as there is
      # no search path for DLLs.
      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)=' '
      _LT_AC_TAGVAR(allow_undefined_flag, $1)=unsupported
      # Tell ltmain to make .lib files, not .a files.
      libext=lib
      # Tell ltmain to make .dll files, not .so files.
      shrext_cmds=".dll"
      # FIXME: Setting linknames here is a bad hack.
      _LT_AC_TAGVAR(archive_cmds, $1)='$CC -o $lib $libobjs $compiler_flags `echo "$deplibs" | $SED -e '\''s/ -lc$//'\''` -link -dll~linknames='
      # The linker will automatically build a .lib file if we build a DLL.
      _LT_AC_TAGVAR(old_archive_From_new_cmds, $1)='true'
      # FIXME: Should let the user specify the lib program.
      _LT_AC_TAGVAR(old_archive_cmds, $1)='lib -OUT:$oldlib$oldobjs$old_deplibs'
      _LT_AC_TAGVAR(fix_srcfile_path, $1)='`cygpath -w "$srcfile"`'
      _LT_AC_TAGVAR(enable_shared_with_static_runtimes, $1)=yes
      ;;

    darwin* | rhapsody*)
      case $host_os in
        rhapsody* | darwin1.[[012]])
         _LT_AC_TAGVAR(allow_undefined_flag, $1)='${wl}-undefined ${wl}suppress'
         ;;
       *) # Darwin 1.3 on
         if test -z ${MACOSX_DEPLOYMENT_TARGET} ; then
           _LT_AC_TAGVAR(allow_undefined_flag, $1)='${wl}-flat_namespace ${wl}-undefined ${wl}suppress'
         else
           case ${MACOSX_DEPLOYMENT_TARGET} in
             10.[[012]])
               _LT_AC_TAGVAR(allow_undefined_flag, $1)='${wl}-flat_namespace ${wl}-undefined ${wl}suppress'
               ;;
             10.*)
               _LT_AC_TAGVAR(allow_undefined_flag, $1)='${wl}-undefined ${wl}dynamic_lookup'
               ;;
           esac
         fi
         ;;
      esac
      _LT_AC_TAGVAR(archive_cmds_need_lc, $1)=no
      _LT_AC_TAGVAR(hardcode_direct, $1)=no
      _LT_AC_TAGVAR(hardcode_automatic, $1)=yes
      _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=unsupported
      _LT_AC_TAGVAR(whole_archive_flag_spec, $1)=''
      _LT_AC_TAGVAR(link_all_deplibs, $1)=yes
    if test "$GCC" = yes ; then
    	output_verbose_link_cmd='echo'
        _LT_AC_TAGVAR(archive_cmds, $1)="\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod${_lt_dsymutil}"
        _LT_AC_TAGVAR(module_cmds, $1)="\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dsymutil}"
        _LT_AC_TAGVAR(archive_expsym_cmds, $1)="sed 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring ${_lt_dar_single_mod}${_lt_dar_export_syms}${_lt_dsymutil}"
        _LT_AC_TAGVAR(module_expsym_cmds, $1)="sed -e 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dar_export_syms}${_lt_dsymutil}"
    else
      case $cc_basename in
        xlc*)
         output_verbose_link_cmd='echo'
         _LT_AC_TAGVAR(archive_cmds, $1)='$CC -qmkshrobj $allow_undefined_flag -o $lib $libobjs $deplibs $compiler_flags ${wl}-install_name ${wl}`echo $rpath/$soname` $xlcverstring'
         _LT_AC_TAGVAR(module_cmds, $1)='$CC $allow_undefined_flag -o $lib -bundle $libobjs $deplibs$compiler_flags'
          # Don't fix this by using the ld -exported_symbols_list flag, it doesn't exist in older darwin lds
         _LT_AC_TAGVAR(archive_expsym_cmds, $1)='sed -e "s,#.*,," -e "s,^[    ]*,," -e "s,^\(..*\),_&," < $export_symbols > $output_objdir/${libname}-symbols.expsym~$CC -qmkshrobj $allow_undefined_flag -o $lib $libobjs $deplibs $compiler_flags ${wl}-install_name ${wl}$rpath/$soname $xlcverstring~nmedit -s $output_objdir/${libname}-symbols.expsym ${lib}'
          _LT_AC_TAGVAR(module_expsym_cmds, $1)='sed -e "s,#.*,," -e "s,^[    ]*,," -e "s,^\(..*\),_&," < $export_symbols > $output_objdir/${libname}-symbols.expsym~$CC $allow_undefined_flag  -o $lib -bundle $libobjs $deplibs$compiler_flags~nmedit -s $output_objdir/${libname}-symbols.expsym ${lib}'
          ;;
       *)
         _LT_AC_TAGVAR(ld_shlibs, $1)=no
          ;;
      esac
    fi
      ;;

    dgux*)
      _LT_AC_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
      _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
      ;;

    # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor
    # support.  Future versions do this automatically, but an explicit c++rt0.o
    # does not break anything, and helps significantly (at the cost of a little
    # extra space).
    freebsd2.2*)
      _LT_AC_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o'
      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
      _LT_AC_TAGVAR(hardcode_direct, $1)=yes
      _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
      ;;

    # Unfortunately, older versions of FreeBSD 2 do not have this feature.
    freebsd2*)
      _LT_AC_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
      _LT_AC_TAGVAR(hardcode_direct, $1)=yes
      _LT_AC_TAGVAR(hardcode_minus_L, $1)=yes
      _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
      ;;

    # FreeBSD 3 and greater uses gcc -shared to do shared libraries.
    freebsd* | dragonfly*)
      _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared -o $lib $libobjs $deplibs $compiler_flags'
      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
      _LT_AC_TAGVAR(hardcode_direct, $1)=yes
      _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
      ;;

    hpux9*)
      if test "$GCC" = yes; then
	_LT_AC_TAGVAR(archive_cmds, $1)='$rm $output_objdir/$soname~$CC -shared -fPIC ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $libobjs $deplibs $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib'
      else
	_LT_AC_TAGVAR(archive_cmds, $1)='$rm $output_objdir/$soname~$LD -b +b $install_libdir -o $output_objdir/$soname $libobjs $deplibs $linker_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib'
      fi
      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir'
      _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:
      _LT_AC_TAGVAR(hardcode_direct, $1)=yes

      # hardcode_minus_L: Not really in the search PATH,
      # but as the default location of the library.
      _LT_AC_TAGVAR(hardcode_minus_L, $1)=yes
      _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
      ;;

    hpux10*)
      if test "$GCC" = yes -a "$with_gnu_ld" = no; then
	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared -fPIC ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
      else
	_LT_AC_TAGVAR(archive_cmds, $1)='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags'
      fi
      if test "$with_gnu_ld" = no; then
	_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir'
	_LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:

	_LT_AC_TAGVAR(hardcode_direct, $1)=yes
	_LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'

	# hardcode_minus_L: Not really in the search PATH,
	# but as the default location of the library.
	_LT_AC_TAGVAR(hardcode_minus_L, $1)=yes
      fi
      ;;

    hpux11*)
      if test "$GCC" = yes -a "$with_gnu_ld" = no; then
	case $host_cpu in
	hppa*64*)
	  _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}+h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
	  ;;
	ia64*)
	  _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags'
	  ;;
	*)
	  _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared -fPIC ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
	  ;;
	esac
      else
	case $host_cpu in
	hppa*64*)
	  _LT_AC_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
	  ;;
	ia64*)
	  _LT_AC_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags'
	  ;;
	*)
	  _LT_AC_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
	  ;;
	esac
      fi
      if test "$with_gnu_ld" = no; then
	_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir'
	_LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:

	case $host_cpu in
	hppa*64*|ia64*)
	  _LT_AC_TAGVAR(hardcode_libdir_flag_spec_ld, $1)='+b $libdir'
	  _LT_AC_TAGVAR(hardcode_direct, $1)=no
	  _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
	  ;;
	*)
	  _LT_AC_TAGVAR(hardcode_direct, $1)=yes
	  _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'

	  # hardcode_minus_L: Not really in the search PATH,
	  # but as the default location of the library.
	  _LT_AC_TAGVAR(hardcode_minus_L, $1)=yes
	  ;;
	esac
      fi
      ;;

    irix5* | irix6* | nonstopux*)
      if test "$GCC" = yes; then
	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
      else
	_LT_AC_TAGVAR(archive_cmds, $1)='$LD -shared $libobjs $deplibs $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${output_objdir}/so_locations -o $lib'
	_LT_AC_TAGVAR(hardcode_libdir_flag_spec_ld, $1)='-rpath $libdir'
      fi
      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
      _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:
      _LT_AC_TAGVAR(link_all_deplibs, $1)=yes
      ;;

    netbsd*)
      if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
	_LT_AC_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'  # a.out
      else
	_LT_AC_TAGVAR(archive_cmds, $1)='$LD -shared -o $lib $libobjs $deplibs $linker_flags'      # ELF
      fi
      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
      _LT_AC_TAGVAR(hardcode_direct, $1)=yes
      _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
      ;;

    newsos6)
      _LT_AC_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
      _LT_AC_TAGVAR(hardcode_direct, $1)=yes
      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
      _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:
      _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
      ;;

    openbsd*)
      if test -f /usr/libexec/ld.so; then
	_LT_AC_TAGVAR(hardcode_direct, $1)=yes
	_LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
	if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
	  _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
	  _LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags ${wl}-retain-symbols-file,$export_symbols'
	  _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
	  _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
	else
	  case $host_os in
	   openbsd[[01]].* | openbsd2.[[0-7]] | openbsd2.[[0-7]].*)
	     _LT_AC_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
	     _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
	     ;;
	   *)
	     _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
	     _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
	     ;;
	  esac
        fi
      else
	_LT_AC_TAGVAR(ld_shlibs, $1)=no
      fi
      ;;

    os2*)
      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
      _LT_AC_TAGVAR(hardcode_minus_L, $1)=yes
      _LT_AC_TAGVAR(allow_undefined_flag, $1)=unsupported
      _LT_AC_TAGVAR(archive_cmds, $1)='$echo "LIBRARY $libname INITINSTANCE" > $output_objdir/$libname.def~$echo "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~$echo DATA >> $output_objdir/$libname.def~$echo " SINGLE NONSHARED" >> $output_objdir/$libname.def~$echo EXPORTS >> $output_objdir/$libname.def~emxexp $libobjs >> $output_objdir/$libname.def~$CC -Zdll -Zcrtdll -o $lib $libobjs $deplibs $compiler_flags $output_objdir/$libname.def'
      _LT_AC_TAGVAR(old_archive_From_new_cmds, $1)='emximp -o $output_objdir/$libname.a $output_objdir/$libname.def'
      ;;

    osf3*)
      if test "$GCC" = yes; then
	_LT_AC_TAGVAR(allow_undefined_flag, $1)=' ${wl}-expect_unresolved ${wl}\*'
	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
      else
	_LT_AC_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*'
	_LT_AC_TAGVAR(archive_cmds, $1)='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${output_objdir}/so_locations -o $lib'
      fi
      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
      _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:
      ;;

    osf4* | osf5*)	# as osf3* with the addition of -msym flag
      if test "$GCC" = yes; then
	_LT_AC_TAGVAR(allow_undefined_flag, $1)=' ${wl}-expect_unresolved ${wl}\*'
	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-msym ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
	_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
      else
	_LT_AC_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*'
	_LT_AC_TAGVAR(archive_cmds, $1)='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linker_flags -msym -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${output_objdir}/so_locations -o $lib'
	_LT_AC_TAGVAR(archive_expsym_cmds, $1)='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done; echo "-hidden">> $lib.exp~
	$LD -shared${allow_undefined_flag} -input $lib.exp $linker_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${output_objdir}/so_locations -o $lib~$rm $lib.exp'

	# Both c and cxx compiler support -rpath directly
	_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir'
      fi
      _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:
      ;;

    solaris*)
      _LT_AC_TAGVAR(no_undefined_flag, $1)=' -z text'
      if test "$GCC" = yes; then
	wlarc='${wl}'
	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
	_LT_AC_TAGVAR(archive_expsym_cmds, $1)='$echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
	  $CC -shared ${wl}-M ${wl}$lib.exp ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags~$rm $lib.exp'
      else
	wlarc=''
	_LT_AC_TAGVAR(archive_cmds, $1)='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags'
	_LT_AC_TAGVAR(archive_expsym_cmds, $1)='$echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
  	$LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$rm $lib.exp'
      fi
      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
      _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
      case $host_os in
      solaris2.[[0-5]] | solaris2.[[0-5]].*) ;;
      *)
	# The compiler driver will combine and reorder linker options,
	# but understands `-z linker_flag'.  GCC discards it without `$wl',
	# but is careful enough not to reorder.
 	# Supported since Solaris 2.6 (maybe 2.5.1?)
	if test "$GCC" = yes; then
	  _LT_AC_TAGVAR(whole_archive_flag_spec, $1)='${wl}-z ${wl}allextract$convenience ${wl}-z ${wl}defaultextract'
	else
	  _LT_AC_TAGVAR(whole_archive_flag_spec, $1)='-z allextract$convenience -z defaultextract'
	fi
	;;
      esac
      _LT_AC_TAGVAR(link_all_deplibs, $1)=yes
      ;;

    sunos4*)
      if test "x$host_vendor" = xsequent; then
	# Use $CC to link under sequent, because it throws in some extra .o
	# files that make .init and .fini sections work.
	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -G ${wl}-h $soname -o $lib $libobjs $deplibs $compiler_flags'
      else
	_LT_AC_TAGVAR(archive_cmds, $1)='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags'
      fi
      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
      _LT_AC_TAGVAR(hardcode_direct, $1)=yes
      _LT_AC_TAGVAR(hardcode_minus_L, $1)=yes
      _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
      ;;

    sysv4)
      case $host_vendor in
	sni)
	  _LT_AC_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
	  _LT_AC_TAGVAR(hardcode_direct, $1)=yes # is this really true???
	;;
	siemens)
	  ## LD is ld it makes a PLAMLIB
	  ## CC just makes a GrossModule.
	  _LT_AC_TAGVAR(archive_cmds, $1)='$LD -G -o $lib $libobjs $deplibs $linker_flags'
	  _LT_AC_TAGVAR(reload_cmds, $1)='$CC -r -o $output$reload_objs'
	  _LT_AC_TAGVAR(hardcode_direct, $1)=no
        ;;
	motorola)
	  _LT_AC_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
	  _LT_AC_TAGVAR(hardcode_direct, $1)=no #Motorola manual says yes, but my tests say they lie
	;;
      esac
      runpath_var='LD_RUN_PATH'
      _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
      ;;

    sysv4.3*)
      _LT_AC_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
      _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
      _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='-Bexport'
      ;;

    sysv4*MP*)
      if test -d /usr/nec; then
	_LT_AC_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
	_LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
	runpath_var=LD_RUN_PATH
	hardcode_runpath_var=yes
	_LT_AC_TAGVAR(ld_shlibs, $1)=yes
      fi
      ;;

    sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[[01]].[[10]]* | unixware7* | sco3.2v5.0.[[024]]*)
      _LT_AC_TAGVAR(no_undefined_flag, $1)='${wl}-z,text'
      _LT_AC_TAGVAR(archive_cmds_need_lc, $1)=no
      _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
      runpath_var='LD_RUN_PATH'

      if test "$GCC" = yes; then
	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
	_LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
      else
	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
	_LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
      fi
      ;;

    sysv5* | sco3.2v5* | sco5v6*)
      # Note: We can NOT use -z defs as we might desire, because we do not
      # link with -lc, and that would cause any symbols used from libc to
      # always be unresolved, which means just about no library would
      # ever link correctly.  If we're not using GNU ld we use -z text
      # though, which does catch some bad symbols but isn't as heavy-handed
      # as -z defs.
      _LT_AC_TAGVAR(no_undefined_flag, $1)='${wl}-z,text'
      _LT_AC_TAGVAR(allow_undefined_flag, $1)='${wl}-z,nodefs'
      _LT_AC_TAGVAR(archive_cmds_need_lc, $1)=no
      _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='`test -z "$SCOABSPATH" && echo ${wl}-R,$libdir`'
      _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=':'
      _LT_AC_TAGVAR(link_all_deplibs, $1)=yes
      _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-Bexport'
      runpath_var='LD_RUN_PATH'

      if test "$GCC" = yes; then
	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}-h,\${SCOABSPATH:+${install_libdir}/}$soname -o $lib $libobjs $deplibs $compiler_flags'
	_LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,\${SCOABSPATH:+${install_libdir}/}$soname -o $lib $libobjs $deplibs $compiler_flags'
      else
	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -G ${wl}-h,\${SCOABSPATH:+${install_libdir}/}$soname -o $lib $libobjs $deplibs $compiler_flags'
	_LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,\${SCOABSPATH:+${install_libdir}/}$soname -o $lib $libobjs $deplibs $compiler_flags'
      fi
      ;;

    uts4*)
      _LT_AC_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
      _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
      ;;

    *)
      _LT_AC_TAGVAR(ld_shlibs, $1)=no
      ;;
    esac
  fi
])
AC_MSG_RESULT([$_LT_AC_TAGVAR(ld_shlibs, $1)])
test "$_LT_AC_TAGVAR(ld_shlibs, $1)" = no && can_build_shared=no

#
# Do we need to explicitly link libc?
#
case "x$_LT_AC_TAGVAR(archive_cmds_need_lc, $1)" in
x|xyes)
  # Assume -lc should be added
  _LT_AC_TAGVAR(archive_cmds_need_lc, $1)=yes

  if test "$enable_shared" = yes && test "$GCC" = yes; then
    case $_LT_AC_TAGVAR(archive_cmds, $1) in
    *'~'*)
      # FIXME: we may have to deal with multi-command sequences.
      ;;
    '$CC '*)
      # Test whether the compiler implicitly links with -lc since on some
      # systems, -lgcc has to come before -lc. If gcc already passes -lc
      # to ld, don't add -lc before -lgcc.
      AC_MSG_CHECKING([whether -lc should be explicitly linked in])
      $rm conftest*
      echo "$lt_simple_compile_test_code" > conftest.$ac_ext

      if AC_TRY_EVAL(ac_compile) 2>conftest.err; then
        soname=conftest
        lib=conftest
        libobjs=conftest.$ac_objext
        deplibs=
        wl=$_LT_AC_TAGVAR(lt_prog_compiler_wl, $1)
	pic_flag=$_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)
        compiler_flags=-v
        linker_flags=-v
        verstring=
        output_objdir=.
        libname=conftest
        lt_save_allow_undefined_flag=$_LT_AC_TAGVAR(allow_undefined_flag, $1)
        _LT_AC_TAGVAR(allow_undefined_flag, $1)=
        if AC_TRY_EVAL(_LT_AC_TAGVAR(archive_cmds, $1) 2\>\&1 \| grep \" -lc \" \>/dev/null 2\>\&1)
        then
	  _LT_AC_TAGVAR(archive_cmds_need_lc, $1)=no
        else
	  _LT_AC_TAGVAR(archive_cmds_need_lc, $1)=yes
        fi
        _LT_AC_TAGVAR(allow_undefined_flag, $1)=$lt_save_allow_undefined_flag
      else
        cat conftest.err 1>&5
      fi
      $rm conftest*
      AC_MSG_RESULT([$_LT_AC_TAGVAR(archive_cmds_need_lc, $1)])
      ;;
    esac
  fi
  ;;
esac
])# AC_LIBTOOL_PROG_LD_SHLIBS


# _LT_AC_FILE_LTDLL_C
# -------------------
# Be careful that the start marker always follows a newline.
AC_DEFUN([_LT_AC_FILE_LTDLL_C], [
# /* ltdll.c starts here */
# #define WIN32_LEAN_AND_MEAN
# #include <windows.h>
# #undef WIN32_LEAN_AND_MEAN
# #include <stdio.h>
#
# #ifndef __CYGWIN__
# #  ifdef __CYGWIN32__
# #    define __CYGWIN__ __CYGWIN32__
# #  endif
# #endif
#
# #ifdef __cplusplus
# extern "C" {
# #endif
# BOOL APIENTRY DllMain (HINSTANCE hInst, DWORD reason, LPVOID reserved);
# #ifdef __cplusplus
# }
# #endif
#
# #ifdef __CYGWIN__
# #include <cygwin/cygwin_dll.h>
# DECLARE_CYGWIN_DLL( DllMain );
# #endif
# HINSTANCE __hDllInstance_base;
#
# BOOL APIENTRY
# DllMain (HINSTANCE hInst, DWORD reason, LPVOID reserved)
# {
#   __hDllInstance_base = hInst;
#   return TRUE;
# }
# /* ltdll.c ends here */
])# _LT_AC_FILE_LTDLL_C


# _LT_AC_TAGVAR(VARNAME, [TAGNAME])
# ---------------------------------
AC_DEFUN([_LT_AC_TAGVAR], [ifelse([$2], [], [$1], [$1_$2])])


# old names
AC_DEFUN([AM_PROG_LIBTOOL],   [AC_PROG_LIBTOOL])
AC_DEFUN([AM_ENABLE_SHARED],  [AC_ENABLE_SHARED($@)])
AC_DEFUN([AM_ENABLE_STATIC],  [AC_ENABLE_STATIC($@)])
AC_DEFUN([AM_DISABLE_SHARED], [AC_DISABLE_SHARED($@)])
AC_DEFUN([AM_DISABLE_STATIC], [AC_DISABLE_STATIC($@)])
AC_DEFUN([AM_PROG_LD],        [AC_PROG_LD])
AC_DEFUN([AM_PROG_NM],        [AC_PROG_NM])

# This is just to silence aclocal about the macro not being used
ifelse([AC_DISABLE_FAST_INSTALL])

############################################################
# NOTE: This macro has been submitted for inclusion into   #
#  GNU Autoconf as AC_PROG_SED.  When it is available in   #
#  a released version of Autoconf we should remove this    #
#  macro and use it instead.                               #
############################################################
# LT_AC_PROG_SED
# --------------
# Check for a fully-functional sed program, that truncates
# as few characters as possible.  Prefer GNU sed if found.
AC_DEFUN([LT_AC_PROG_SED],
[AC_MSG_CHECKING([for a sed that does not truncate output])
AC_CACHE_VAL(lt_cv_path_SED,
[# Loop through the user's path and test for sed and gsed.
# Then use that list of sed's as ones to test for truncation.
as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
for as_dir in $PATH
do
  IFS=$as_save_IFS
  test -z "$as_dir" && as_dir=.
  for lt_ac_prog in sed gsed; do
    for ac_exec_ext in '' $ac_executable_extensions; do
      if test -f "$as_dir/$lt_ac_prog$ac_exec_ext"; then
        lt_ac_sed_list="$lt_ac_sed_list $as_dir/$lt_ac_prog$ac_exec_ext"
      fi
    done
  done
done
lt_ac_max=0
lt_ac_count=0
# Add /usr/xpg4/bin/sed as it is typically found on Solaris
# along with /bin/sed that truncates output.
for lt_ac_sed in $lt_ac_sed_list /usr/xpg4/bin/sed; do
  test ! -f $lt_ac_sed && continue
  cat /dev/null > conftest.in
  lt_ac_count=0
  echo $ECHO_N "0123456789$ECHO_C" >conftest.in
  # Check for GNU sed and select it if it is found.
  if "$lt_ac_sed" --version 2>&1 < /dev/null | grep 'GNU' > /dev/null; then
    lt_cv_path_SED=$lt_ac_sed
    break
  fi
  while true; do
    cat conftest.in conftest.in >conftest.tmp
    mv conftest.tmp conftest.in
    cp conftest.in conftest.nl
    echo >>conftest.nl
    $lt_ac_sed -e 's/a$//' < conftest.nl >conftest.out || break
    cmp -s conftest.out conftest.nl || break
    # 10000 chars as input seems more than enough
    test $lt_ac_count -gt 10 && break
    lt_ac_count=`expr $lt_ac_count + 1`
    if test $lt_ac_count -gt $lt_ac_max; then
      lt_ac_max=$lt_ac_count
      lt_cv_path_SED=$lt_ac_sed
    fi
  done
done
])
SED=$lt_cv_path_SED
AC_MSG_RESULT([$SED])
])