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#### This script is meant to be sourced by ltconfig.

# ltcf-c.sh - Create a C compiler specific configuration

#

# Copyright (C) 1996-2000, 2001 Free Software Foundation, Inc.

# Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996

#

# This file 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.

# Source file extension for C test sources.

ac_ext=c

# Object file extension for compiled C test sources.

objext=o

# 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='main(){return(0);}'

## Linker Characteristics

case $host_os in

cygwin* | mingw*)

  # 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 "$with_gcc" != yes; then

    with_gnu_ld=no

  fi

  ;;

esac

ld_shlibs=yes

if test "$with_gnu_ld" = yes; then

  # If archive_cmds runs LD, not CC, wlarc should be empty

  wlarc='${wl}'

  # See if GNU ld supports shared libraries.

  case $host_os in

  aix3* | aix4* | aix5*)

    # On AIX/PPC, the GNU linker is very broken

    if test "$host_cpu" != ia64; then

      ld_shlibs=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*)

    archive_cmds='$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)'

    hardcode_libdir_flag_spec='-L$libdir'

    hardcode_minus_L=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 use

    # them.

    ld_shlibs=no

    ;;

  beos*)

    if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then

      allow_undefined_flag=unsupported

      # Joseph Beckenbach <jrb3@best.com> says some releases of gcc

      # support --undefined.  This deserves some investigation.  FIXME

      archive_cmds='$CC -nostart $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'

    else

      ld_shlibs=no

    fi

    ;;

  cygwin* | mingw*)

    # hardcode_libdir_flag_spec is actually meaningless, as there is

    # no search path for DLLs.

    hardcode_libdir_flag_spec='-L$libdir'

    allow_undefined_flag=unsupported

    always_export_symbols=yes

    extract_expsyms_cmds='test -f $output_objdir/impgen.c || \

      sed -e "/^# \/\* impgen\.c starts here \*\//,/^# \/\* impgen.c ends here \*\// { s/^# //; p; }" -e d < $0 > $output_objdir/impgen.c~

      test -f $output_objdir/impgen.exe || (cd $output_objdir && \

      if test "x$BUILD_CC" != "x" ; then $BUILD_CC -o impgen impgen.c ; \

      else $CC -o impgen impgen.c ; fi)~

      $output_objdir/impgen $dir/$soroot > $output_objdir/$soname-def'

    old_archive_from_expsyms_cmds='$DLLTOOL --as=$AS --dllname $soname --def $output_objdir/$soname-def --output-lib $output_objdir/$newlib'

    # cygwin and mingw dlls have different entry points and sets of symbols

    # to exclude.

    # FIXME: what about values for MSVC?

    dll_entry=__cygwin_dll_entry@12

    dll_exclude_symbols=DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12~

    case $host_os in

    mingw*)

      # mingw values

      dll_entry=_DllMainCRTStartup@12

      dll_exclude_symbols=DllMain@12,DllMainCRTStartup@12,DllEntryPoint@12~

      ;;

    esac

    # mingw and cygwin differ, and it's simplest to just exclude the union

    # of the two symbol sets.

    dll_exclude_symbols=DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12,DllMainCRTStartup@12,DllEntryPoint@12

    # recent cygwin and mingw systems supply a stub DllMain which the user

    # can override, but on older systems we have to supply one (in ltdll.c)

    if test "x$lt_cv_need_dllmain" = "xyes"; then

      ltdll_obj='$output_objdir/$soname-ltdll.'"$objext "

      ltdll_cmds='test -f $output_objdir/$soname-ltdll.c || sed -e "/^# \/\* ltdll\.c starts here \*\//,/^# \/\* ltdll.c ends here \*\// { s/^# //; p; }" -e d < $0 > $output_objdir/$soname-ltdll.c~

        test -f $output_objdir/$soname-ltdll.$objext || (cd $output_objdir && $CC -c $soname-ltdll.c)~'

    else

      ltdll_obj=

      ltdll_cmds=

    fi

    # Extract the symbol export list from an `--export-all' def file,

    # then regenerate the def file from the symbol export list, so that

    # the compiled dll only exports the symbol export list.

    # Be careful not to strip the DATA tag left be newer dlltools.

    export_symbols_cmds="$ltdll_cmds"'

      $DLLTOOL --export-all --exclude-symbols '$dll_exclude_symbols' --output-def $output_objdir/$soname-def '$ltdll_obj'$libobjs $convenience~

      sed -e "1,/EXPORTS/d" -e "s/ @ [0-9]*//" -e "s/ *;.*$//" < $output_objdir/$soname-def > $export_symbols'

    # If the export-symbols file already is a .def file (1st line

    # is EXPORTS), use it as is.

    # If DATA tags from a recent dlltool are present, honour them!

    archive_expsym_cmds='if test "x`head -1 $export_symbols`" = xEXPORTS; then

        cp $export_symbols $output_objdir/$soname-def;

      else

        echo EXPORTS > $output_objdir/$soname-def;

        _lt_hint=1;

        cat $export_symbols | while read symbol; do

         set dummy \$symbol;

         case \[$]# in

           2) echo "   \[$]2 @ \$_lt_hint ; " >> $output_objdir/$soname-def;;

           *) echo "     \[$]2 @ \$_lt_hint \[$]3 ; " >> $output_objdir/$soname-def;;

         esac;

         _lt_hint=`expr 1 + \$_lt_hint`;

        done;

      fi~

      '"$ltdll_cmds"'

      $CC -Wl,--base-file,$output_objdir/$soname-base '$lt_cv_cc_dll_switch' -Wl,-e,'$dll_entry' -o $output_objdir/$soname '$ltdll_obj'$libobjs $deplibs $compiler_flags~

      $DLLTOOL --as=$AS --dllname $soname --exclude-symbols '$dll_exclude_symbols' --def $output_objdir/$soname-def --base-file $output_objdir/$soname-base --output-exp $output_objdir/$soname-exp~

      $CC -Wl,--base-file,$output_objdir/$soname-base $output_objdir/$soname-exp '$lt_cv_cc_dll_switch' -Wl,-e,'$dll_entry' -o $output_objdir/$soname '$ltdll_obj'$libobjs $deplibs $compiler_flags~

      $DLLTOOL --as=$AS --dllname $soname --exclude-symbols '$dll_exclude_symbols' --def $output_objdir/$soname-def --base-file $output_objdir/$soname-base --output-exp $output_objdir/$soname-exp --output-lib $output_objdir/$libname.dll.a~

      $CC $output_objdir/$soname-exp '$lt_cv_cc_dll_switch' -Wl,-e,'$dll_entry' -o $output_objdir/$soname '$ltdll_obj'$libobjs $deplibs $compiler_flags'

    ;;

  netbsd* | knetbsd*-gnu)

    if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then

      archive_cmds='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib'

      wlarc=

    else

      archive_cmds='$CC -shared -nodefaultlibs $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'

      archive_expsym_cmds='$CC -shared -nodefaultlibs $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'

    fi

    ;;

  solaris* | sysv5*)

    if $LD -v 2>&1 | egrep 'BFD 2\.8' > /dev/null; then

      ld_shlibs=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 | egrep ': supported targets:.* elf' > /dev/null; then

      archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'

      archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'

    else

      ld_shlibs=no

    fi

    ;;

  sunos4*)

    archive_cmds='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linker_flags'

    wlarc=

    hardcode_direct=yes

    hardcode_shlibpath_var=no

    ;;

  tpf*)

    ld_shlibs=yes

    ;;

  *)

    if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then

      archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'

      archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'

    else

      ld_shlibs=no

    fi

    ;;

  esac

  if test "$ld_shlibs" = yes; then

    runpath_var=LD_RUN_PATH

    hardcode_libdir_flag_spec='${wl}--rpath ${wl}$libdir'

    export_dynamic_flag_spec='${wl}--export-dynamic'

    case $host_os in

    cygwin* | mingw*)

      # dlltool doesn't understand --whole-archive et. al.

      whole_archive_flag_spec=

      ;;

    *)

      # ancient GNU ld didn't support --whole-archive et. al.

      if $LD --help 2>&1 | egrep 'no-whole-archive' > /dev/null; then

        whole_archive_flag_spec="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'

      else

        whole_archive_flag_spec=

      fi

      ;;

    esac

  fi

else

  # PORTME fill in a description of your system's linker (not GNU ld)

  case $host_os in

  aix3*)

    allow_undefined_flag=unsupported

    always_export_symbols=yes

    archive_expsym_cmds='$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.

    hardcode_minus_L=yes

    if test "$with_gcc" = yes && test -z "$link_static_flag"; then

      # Neither direct hardcoding nor static linking is supported with a

      # broken collect2.

      hardcode_direct=unsupported

    fi

    ;;

  aix4* | aix5*)

    hardcode_direct=yes

    hardcode_libdir_separator=':'

    link_all_deplibs=yes

    file_list_spec='${wl}-f,'

    # 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.

    if test "$with_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

          hardcode_direct=yes

        else

          # We have old collect2

          hardcode_direct=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

          hardcode_minus_L=yes

          hardcode_libdir_flag_spec='-L$libdir'

          hardcode_libdir_separator=

        fi

      esac

      shared_flag='-shared'

    else

      # not using gcc

      if test "$host_cpu" = ia64; then

        shared_flag='${wl}-G'

      else

        shared_flag='${wl}-bM:SRE'

      fi

    fi

    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

      if test $with_gnu_ld = no; then

        exp_sym_flag='-Bexport'

        no_entry_flag=""

      fi

    else

      # 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 run time linking.

      aix_use_runtimelinking=no

      for ld_flag in $LDFLAGS; do

        if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl" ); then

          aix_use_runtimelinking=yes

          break

        fi

      done

      exp_sym_flag='-bexport'

      no_entry_flag='-bnoentry'

    fi

    # -bexpall does not export symbols beginning with underscore (_)

    always_export_symbols=yes

    if test "$aix_use_runtimelinking" = yes; then

      # Warning - without using the other run time loading flags (-brtl), -berok will

      #           link without error, but may produce a broken library.

      allow_undefined_flag=' ${wl}-berok'

      hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:/usr/lib:/lib'

      archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs $compiler_flags ${allow_undefined_flag} '"\${wl}$no_entry_flag \${wl}$exp_sym_flag:\$export_symbols"

    else

      if test "$host_cpu" = ia64; then

        if test $with_gnu_ld = no; then

          hardcode_libdir_flag_spec='${wl}-R $libdir:/usr/lib:/lib'

          allow_undefined_flag="-z nodefs"

          archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs $compiler_flags ${wl}${allow_undefined_flag} '"\${wl}$no_entry_flag \${wl}$exp_sym_flag:\$export_symbols"

        fi

      else

        allow_undefined_flag=' ${wl}-berok'

        # -bexpall does not export symbols beginning with underscore (_)

        always_export_symbols=yes

        # Exported symbols can be pulled into shared objects from archives

        whole_archive_flag_spec=' '

        build_libtool_need_lc=yes

        hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:/usr/lib:/lib'

        # This is similar to how AIX traditionally builds it's shared libraries.

        archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs $compiler_flags ${wl}-bE:$export_symbols ${wl}-bnoentry${allow_undefined_flag}~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$soname'

      fi

    fi

    ;;

  amigaos*)

    archive_cmds='$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)'

    hardcode_libdir_flag_spec='-L$libdir'

    hardcode_minus_L=yes

    # see comment about different semantics on the GNU ld section

    ld_shlibs=no

    ;;

  cygwin* | mingw*)

    # 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.

    hardcode_libdir_flag_spec=' '

    allow_undefined_flag=unsupported

    # Tell ltmain to make .lib files, not .a files.

    libext=lib

    # FIXME: Setting linknames here is a bad hack.

    archive_cmds='$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.

    old_archive_from_new_cmds='true'

    # FIXME: Should let the user specify the lib program.

    old_archive_cmds='lib /OUT:$oldlib$oldobjs$old_deplibs'

    fix_srcfile_path='`cygpath -w "$srcfile"`'

    ;;

  darwin* | rhapsody*)

    case "$host_os" in

    rhapsody* | darwin1.[[012]])

        allow_undefined_flag='-undefined suppress'

        ;;

    *) # Darwin 1.3 on

    if test -z ${MACOSX_DEPLOYMENT_TARGET} ; then

       allow_undefined_flag='-flat_namespace -undefined suppress'

    else

        case ${MACOSX_DEPLOYMENT_TARGET} in

            10.[[012]])

                allow_undefined_flag='-flat_namespace -undefined suppress'

                ;;

            10.*)

                allow_undefined_flag='-undefined dynamic_lookup'

                ;;

        esac

    fi

    ;;

    esac

    # Disable shared library build on OS-X older than 10.3.

    case $host_os in

        darwin[1-6]*)

            can_build_shared=no

            ;;

        darwin7*)

            can_build_shared=yes

            ;;

    esac

    output_verbose_link_cmd='echo'

    archive_cmds='$CC -dynamiclib $allow_undefined_flag -o $lib $libobjs $deplibs$compiler_flags -install_name $rpath/$soname $verstring'

    module_cmds='$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 ld's

    archive_expsym_cmds='sed -e "s,#.*,," -e "s,^[    ]*,," -e "s,^\(..*\),_&," < $export_symbols > $output_objdir/${libname}-symbols.expsym~$CC -dynamiclib $allow_undefined_flag  -o $lib $libobjs $deplibs$compiler_flags -install_name $rpath/$soname $verstring~nmedit -s $output_objdir/${libname}-symbols.expsym ${lib}'

    module_expsym_cmds='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}'

    hardcode_direct=no

    hardcode_automatic=yes

    hardcode_shlibpath_var=unsupported

    whole_archive_flag_spec=''

    link_all_deplibs=yes

    ;;

  freebsd1*)

  ld_shlibs=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*)

    archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o'

    hardcode_libdir_flag_spec='-R$libdir'

    hardcode_direct=yes

    hardcode_shlibpath_var=no

    ;;

  # Unfortunately, older versions of FreeBSD 2 do not have this feature.

  freebsd2*)

    archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'

    hardcode_direct=yes

    hardcode_minus_L=yes

    hardcode_shlibpath_var=no

    ;;

  # FreeBSD 3 and greater uses gcc -shared to do shared libraries.

  freebsd* | kfreebsd*-gnu)

    archive_cmds='$CC -shared -o $lib $libobjs $deplibs $compiler_flags'

    hardcode_libdir_flag_spec='-R$libdir'

    hardcode_direct=yes

    hardcode_shlibpath_var=no

    ;;

  hpux9* | hpux10* | hpux11*)

    case "$host_cpu" in

    ia64*)

      hardcode_direct=no

      hardcode_shlibpath_var=no

      archive_cmds='$LD -b +h $soname -o $lib $libobjs $deplibs $linker_flags'

      hardcode_libdir_flag_spec='-L$libdir' ;;

    *)

      if test $with_gcc = yes; then

        case "$host_os" in

        hpux9*) archive_cmds='$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' ;;

        *) archive_cmds='$CC -shared -fPIC ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags' ;;

        esac

      else

        case $host_os in

        hpux9*) archive_cmds='$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' ;;

        *) archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags' ;;

        esac

      fi

      hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'

      hardcode_libdir_separator=:

      hardcode_minus_L=yes # Not in the search PATH, but as the default

                           # location of the library.

      ;;

    esac

    export_dynamic_flag_spec='${wl}-E'

    hardcode_direct=yes

    ;;

  irix5* | irix6*)

    if test "$with_gcc" = yes; then

      archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${objdir}/so_locations -o $lib'

    else

      archive_cmds='$LD -shared $libobjs $deplibs $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib'

    fi

    hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'

    hardcode_libdir_separator=:

    link_all_deplibs=yes

    ;;

  netbsd* | knetbsd*-gnu)

    if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then

      archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'  # a.out

    else

      archive_cmds='$LD -shared -o $lib $libobjs $deplibs $linker_flags'      # ELF

    fi

    hardcode_libdir_flag_spec='-R$libdir'

    hardcode_direct=yes

    hardcode_shlibpath_var=no

    ;;

  newsos6)

    archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'

    hardcode_direct=yes

    hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'

    hardcode_libdir_separator=:

    hardcode_shlibpath_var=no

    ;;

  openbsd*)

    archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'

    hardcode_libdir_flag_spec='-R$libdir'

    hardcode_direct=yes

    hardcode_shlibpath_var=no

    ;;

  os2*)

    hardcode_libdir_flag_spec='-L$libdir'

    hardcode_minus_L=yes

    allow_undefined_flag=unsupported

    archive_cmds='$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'

    old_archive_from_new_cmds='emximp -o $output_objdir/$libname.a $output_objdir/$libname.def'

    ;;

  osf3*)

    if test "$with_gcc" = yes; then

      allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'

      archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${objdir}/so_locations -o $lib'

    else

      allow_undefined_flag=' -expect_unresolved \*'

      archive_cmds='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib'

    fi

    hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'

    hardcode_libdir_separator=:

    ;;

  osf4* | osf5*)        # as osf3* with the addition of -msym flag

    if test "$with_gcc" = yes; then

      allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'

      archive_cmds='$CC -shared${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 ${wl}${objdir}/so_locations -o $lib'

      hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'

    else

      allow_undefined_flag=' -expect_unresolved \*'

      archive_cmds='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linker_flags -msym -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib'

      archive_expsym_cmds='for i in `cat $export_symbols`; do printf "-exported_symbol " >> $lib.exp; echo "\$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 ${objdir}/so_locations -o $lib~$rm $lib.exp'

      # cc supports -rpath directly

      hardcode_libdir_flag_spec='-rpath $libdir'

    fi

    hardcode_libdir_separator=:

    ;;

  sco3.2v5*)

    archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'

    hardcode_shlibpath_var=no

    runpath_var=LD_RUN_PATH

    hardcode_runpath_var=yes

    ;;

  solaris*)

    no_undefined_flag=' -z defs'

    if test "$with_gcc" = yes; then

      archive_cmds='$CC -shared ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'

      archive_expsym_cmds='$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

      archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags'

      archive_expsym_cmds='$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

    hardcode_libdir_flag_spec='-R$libdir'

    hardcode_shlibpath_var=no

    case $host_os in

    solaris2.[0-5] | solaris2.[0-5].*) ;;

    *) # Supported since Solaris 2.6 (maybe 2.5.1?)

      whole_archive_flag_spec='-z allextract$convenience -z defaultextract' ;;

    esac

    link_all_deplibs=yes

    ;;

  sunos4*)

    archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags'

    hardcode_libdir_flag_spec='-L$libdir'

    hardcode_direct=yes

    hardcode_minus_L=yes

    hardcode_shlibpath_var=no

    ;;

  sysv4)

    archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'

    runpath_var='LD_RUN_PATH'

    hardcode_shlibpath_var=no

    hardcode_direct=no #Motorola manual says yes, but my tests say they lie

    ;;

  sysv4.3*)

    archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'

    hardcode_shlibpath_var=no

    export_dynamic_flag_spec='-Bexport'

    ;;

  sysv5*)

    no_undefined_flag=' -z text'

    # $CC -shared without GNU ld will not create a library from C++

    # object files and a static libstdc++, better avoid it by now

    archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags'

    archive_expsym_cmds='$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'

    hardcode_libdir_flag_spec=

    hardcode_shlibpath_var=no

    runpath_var='LD_RUN_PATH'

    ;;

  uts4*)

    archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'

    hardcode_libdir_flag_spec='-L$libdir'

    hardcode_shlibpath_var=no

    ;;

  dgux*)

    archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'

    hardcode_libdir_flag_spec='-L$libdir'

    hardcode_shlibpath_var=no

    ;;

  sysv4*MP*)

    if test -d /usr/nec; then

      archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'

      hardcode_shlibpath_var=no

      runpath_var=LD_RUN_PATH

      hardcode_runpath_var=yes

      ld_shlibs=yes

    fi

    ;;

  sysv4.2uw2*)

    archive_cmds='$LD -G -o $lib $libobjs $deplibs $linker_flags'

    hardcode_direct=yes

    hardcode_minus_L=no

    hardcode_shlibpath_var=no

    hardcode_runpath_var=yes

    runpath_var=LD_RUN_PATH

    ;;

  sysv5uw7* | unixware7*)

    no_undefined_flag='${wl}-z ${wl}text'

    if test "$GCC" = yes; then

      archive_cmds='$CC -shared ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'

    else

      archive_cmds='$CC -G ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'

    fi

    runpath_var='LD_RUN_PATH'

    hardcode_shlibpath_var=no

    ;;

  *)

    ld_shlibs=no

    ;;

  esac

fi

## Compiler Characteristics: PIC flags, static flags, etc

if test "X${ac_cv_prog_cc_pic+set}" = Xset; then

  :

else

  ac_cv_prog_cc_pic=

  ac_cv_prog_cc_shlib=

  ac_cv_prog_cc_wl=

  ac_cv_prog_cc_static=

  ac_cv_prog_cc_no_builtin=

  ac_cv_prog_cc_can_build_shared=$can_build_shared

  if test "$with_gcc" = yes; then

    ac_cv_prog_cc_wl='-Wl,'

    ac_cv_prog_cc_static='-static'

    case $host_os in

    aix*)

      # All AIX code is PIC.

      if test "$host_cpu" = ia64; then

        # AIX 5 now supports IA64 processor

        lt_cv_prog_cc_static='-Bstatic'

      else

        lt_cv_prog_cc_static='-bnso -bI:/lib/syscalls.exp'

      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'.

      ac_cv_prog_cc_pic='-m68020 -resident32 -malways-restore-a4'

      ;;

    beos* | irix5* | irix6* | osf3* | osf4* | osf5*)

      # PIC is the default for these OSes.

      ;;

    cygwin* | mingw* | 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).

      ac_cv_prog_cc_pic='-DDLL_EXPORT'

      ;;

    darwin* | rhapsody*)

      # PIC is the default on this platform

      # Common symbols not allowed in MH_DYLIB files

      ac_cv_prog_cc_pic='-fno-common'

      ;;

    *djgpp*)

      # DJGPP does not support shared libraries at all

      ac_cv_prog_cc_pic=

      ;;

    sysv4*MP*)

      if test -d /usr/nec; then

         ac_cv_prog_cc_pic=-Kconform_pic

      fi

      ;;

    *)

      ac_cv_prog_cc_pic='-fPIC'

      ;;

    esac

  else

    # PORTME Check for PIC flags for the system compiler.

    case $host_os in

    aix*)

     # All AIX code is PIC.

      ac_cv_prog_cc_static="$ac_cv_prog_cc_static ${ac_cv_prog_cc_wl}-lC"

      ;;

    hpux9* | hpux10* | hpux11*)

      # Is there a better ac_cv_prog_cc_static that works with the bundled CC?

      ac_cv_prog_cc_wl='-Wl,'

      ac_cv_prog_cc_static="${ac_cv_prog_cc_wl}-a ${ac_cv_prog_cc_wl}archive"

      ac_cv_prog_cc_pic='+Z'

      ;;

    irix5* | irix6*)

      ac_cv_prog_cc_wl='-Wl,'

      ac_cv_prog_cc_static='-non_shared'

      # PIC (with -KPIC) is the default.

      ;;

    cygwin* | mingw* | 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).

      ac_cv_prog_cc_pic='-DDLL_EXPORT'

      ;;

    newsos6)

      ac_cv_prog_cc_pic='-KPIC'

      ac_cv_prog_cc_static='-Bstatic'

      ;;

    osf3* | osf4* | osf5*)

      # All OSF/1 code is PIC.

      ac_cv_prog_cc_wl='-Wl,'

      ac_cv_prog_cc_static='-non_shared'

      ;;

    sco3.2v5*)

      ac_cv_prog_cc_pic='-Kpic'

      ac_cv_prog_cc_static='-dn'

      ac_cv_prog_cc_shlib='-belf'

      ;;

    solaris*)

      ac_cv_prog_cc_pic='-KPIC'

      ac_cv_prog_cc_static='-Bstatic'

      ac_cv_prog_cc_wl='-Wl,'

      ;;

    sunos4*)

      ac_cv_prog_cc_pic='-PIC'

      ac_cv_prog_cc_static='-Bstatic'

      ac_cv_prog_cc_wl='-Qoption ld '

      ;;

    sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)

      ac_cv_prog_cc_pic='-KPIC'

      ac_cv_prog_cc_static='-Bstatic'

      ac_cv_prog_cc_wl='-Wl,'

      ;;

    uts4*)

      ac_cv_prog_cc_pic='-pic'

      ac_cv_prog_cc_static='-Bstatic'

      ;;

    sysv4*MP*)

      if test -d /usr/nec ;then

        ac_cv_prog_cc_pic='-Kconform_pic'

        ac_cv_prog_cc_static='-Bstatic'

      fi

      ;;

    *)

      ac_cv_prog_cc_can_build_shared=no

      ;;

    esac

  fi

  case "$host_os" in

      # Platforms which do not suport PIC and -DPIC is meaningless

      # on them:

      *djgpp*)

        ac_cv_prog_cc_pic=

        ;;

      *)

        ac_cv_prog_cc_pic="$ac_cv_prog_cc_pic -DPIC"

        ;;

  esac

fi

need_lc=yes

if test "$enable_shared" = yes && test "$with_gcc" = yes; then

  case $archive_cmds 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.

    echo $ac_n "checking whether -lc should be explicitly linked in... $ac_c" 1>&6

    if eval "test \"`echo '$''{'ac_cv_archive_cmds_needs_lc'+set}'`\" = set"; then

      echo $ac_n "(cached) $ac_c" 1>&6

      need_lc=$ac_cv_archive_cmds_needs_lc

    else

      $rm conftest*

      echo "static int dummy;" > conftest.$ac_ext

      if { (eval echo ltcf-c.sh:need_lc: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; }; then

        # Append any warnings to the config.log.

        cat conftest.err 1>&5

        soname=conftest

        lib=conftest

        libobjs=conftest.$objext

        deplibs=

        wl=$ac_cv_prog_cc_wl

        compiler_flags=-v

        linker_flags=-v

        verstring=

        output_objdir=.

        libname=conftest

        save_allow_undefined_flag=$allow_undefined_flag

        allow_undefined_flag=

        if { (eval echo ltcf-c.sh:need_lc: \"$archive_cmds\") 1>&5; (eval $archive_cmds) 2>&1 | grep " -lc " 1>&5 ; }; then

          need_lc=no

        fi

        allow_undefined_flag=$save_allow_undefined_flag

      else

        cat conftest.err 1>&5

      fi

    fi

    $rm conftest*

    echo "$ac_t$need_lc" 1>&6

    ;;

  esac

fi

ac_cv_archive_cmds_needs_lc=$need_lc