diff options
Diffstat (limited to 'gnu/lib/libobjc/ltcf-cxx.sh')
| -rw-r--r-- | gnu/lib/libobjc/ltcf-cxx.sh | 1021 |
1 files changed, 1021 insertions, 0 deletions
diff --git a/gnu/lib/libobjc/ltcf-cxx.sh b/gnu/lib/libobjc/ltcf-cxx.sh new file mode 100644 index 00000000000..9059b1a002f --- /dev/null +++ b/gnu/lib/libobjc/ltcf-cxx.sh @@ -0,0 +1,1021 @@ +#### This script is meant to be sourced by ltconfig. + +# ltcf-cxx.sh - Create a C++ compiler specific configuration +# +# Copyright (C) 1996-1999, 2000, 2001, 2003 Free Software Foundation, Inc. +# Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996 +# +# Original C++ support by:Gary V. Vaughan <gvv@techie.com> +# Alexandre Oliva <oliva@lsd.ic.unicamp.br> +# Ossama Othman <ossama@debian.org> +# Thomas Thanner <tanner@gmx.de> +# +# 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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=cc + +# 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='int main(int, char *[]) { return (0); }' + +# C++ compiler +CXX=${CXX-c++} + +# ltmain only uses $CC for tagged configurations so make sure $CC is set. +CC=${CC-"$CXX"} +CFLAGS=${CFLAGS-"$CXXFLAGS"} + +# Allow CC to be a program name with arguments. +set dummy $CC +compiler=$2 +cc_basename=`$echo X"$compiler" | $Xsed -e 's%^.*/%%'` + +# Check if we are using GNU gcc (taken/adapted from configure script) +# We need to check here since "--with-gcc" is set at configure time, +# not ltconfig time! +cat > conftest.$ac_ext <<EOF +#ifdef __GNUC__ + yes; +#endif +EOF +if { ac_try='${CC-c++} -E conftest.$ac_ext'; { (eval echo \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then + with_gcc=yes + + # Set up default GNU C++ configuration + + # Check if GNU C++ uses GNU ld as the underlying linker, since the + # archiving commands below assume that GNU ld is being used. The + # assumption here is that the linker is going to be the same as that + # used by the C compiler. For the purposes of GCC, this is ok, but + # if someone uses g++ along with a non-GNU C compiler that doesn't + # use GNU ld, we may lose. This is ok for the toolchain tree, since + # the only users of ltcf-cxx.sh are libstdc++-v3 and libjava, + # anyway, and those use both gcc and g++, so the settings are bound + # to be the same. + + if test "$with_gnu_ld" = yes; then + archive_cmds='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib' + archive_expsym_cmds='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' + + hardcode_libdir_flag_spec='${wl}--rpath ${wl}$libdir' + export_dynamic_flag_spec='${wl}--export-dynamic' + + # If archive_cmds runs LD, not CC, wlarc should be empty + # XXX I think wlarc can be eliminated in ltcf-cxx, but I need to + # investigate it a little bit more. (MM) + wlarc='${wl}' + + # ancient GNU ld didn't support --whole-archive et. al. + if eval "`$CC -print-prog-name=ld` --help 2>&1" | \ + egrep 'no-whole-archive' > /dev/null; then + whole_archive_flag_spec="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive' + else + whole_archive_flag_spec= + fi + else + 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. + archive_cmds='$CC -shared $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 | egrep "\-L"' + +else + with_gcc=no + wlarc= +fi + +# PORTME: fill in a description of your system's C++ link characteristics +case $host_os in + aix3*) + # FIXME: insert proper C++ library support + ld_shlibs=no + ;; + aix4* | aix5*) + archive_cmds='' + hardcode_direct=yes + hardcode_libdir_separator=':' + link_all_deplibs=yes + # When large executables or shared objects are built, AIX ld can + # have problems creating the table of contents. If linking a library + # or program results in "error TOC overflow" add -mminimal-toc to + # CXXFLAGS/CFLAGS for g++/gcc. In the cases where that is not + # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS. + if test "$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 $ld_flag = "-Wl,-brtl" ); then + aix_use_runtimelinking=yes + break + fi + done + exp_sym_flag='-bexport' + no_entry_flag='-bnoentry' + fi + # It seems that -bexpall does not export symbols beginning with + # underscore (_), so it is better to generate a list of symbols to export. + always_export_symbols=yes + if test "$aix_use_runtimelinking" = yes; then + hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:/usr/lib:/lib' + allow_undefined_flag=' -Wl,-G' + archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs $compiler_flags ${allow_undefined_flag} '"\${wl}$no_entry_flag \${wl}-brtl \${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 + hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:/usr/lib:/lib' + # Warning - without using the other run time loading flags, -berok will + # link without error, but may produce a broken library. + no_undefined_flag=' ${wl}-bnoerok' + 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 + # 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 + ;; + chorus*) + case $cc_basename in + *) + # FIXME: insert proper C++ library support + ld_shlibs=no + ;; + esac + ;; + dgux*) + case $cc_basename in + ec++) + # FIXME: insert proper C++ library support + ld_shlibs=no + ;; + ghcx) + # Green Hills C++ Compiler + # FIXME: insert proper C++ library support + ld_shlibs=no + ;; + *) + # FIXME: insert proper C++ library support + ld_shlibs=no + ;; + esac + ;; + freebsd[12]*) + # C++ shared libraries reported to be fairly broken before switch to ELF + ld_shlibs=no + ;; + freebsd*) + # FreeBSD 3 and later use GNU C++ and GNU ld with standard ELF + # conventions + ld_shlibs=yes + ;; + gnu*) + ;; + hpux*) + if test $with_gnu_ld = no; then + case "$host_cpu" in + ia64*) + hardcode_libdir_flag_spec='-L$libdir' + hardcode_shlibpath_var=no ;; + *) + hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir' ;; + esac + hardcode_direct=yes + hardcode_libdir_separator=: + export_dynamic_flag_spec='${wl}-E' + fi + hardcode_minus_L=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 + ld_shlibs=no + ;; + aCC) + case $host_os in + hpux9*) archive_cmds='$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 $lib' ;; + *) archive_cmds='$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) | egrep "\-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 $with_gcc = yes; then + if test $with_gnu_ld = no; then + case "$host_os" in + hpux9*) archive_cmds='$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 $lib' ;; + *) + case "$host_cpu" in + ia64*) + archive_cmds='$LD -b +h $soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $linker_flags' ;; + *) + archive_cmds='$CC -shared -nostdlib -fPIC ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' ;; + esac + ;; + esac + fi + else + # FIXME: insert proper C++ library support + ld_shlibs=no + fi + ;; + esac + ;; + irix5* | irix6*) + case $cc_basename in + CC) + # SGI C++ + archive_cmds='$CC -shared -all -multigot $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib' + + # Archives containing C++ object files must be created using + # "CC -ar", where "CC" is the IRIX C++ compiler. This is + # necessary to make sure instantiated templates are included + # in the archive. + old_archive_cmds='$CC -ar -WR,-u -o $oldlib $oldobjs' + ;; + *) + if test "$with_gcc" = yes; then + if test "$with_gnu_ld" = no; then + archive_cmds='$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 ${wl}${objdir}/so_locations -o $lib' + else + archive_cmds='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -o $lib' + fi + fi + hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' + hardcode_libdir_separator=: + link_all_deplibs=yes + ;; + esac + ;; + linux*) + 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. + archive_cmds='templib=`echo $lib | sed -e "s/\.so\..*/\.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib' + archive_expsym_cmds='templib=`echo $lib | sed -e "s/\.so\..*/\.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.so 2>&1 | egrep "ld"`; rm -f libconftest.so; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; echo $list' + + hardcode_libdir_flag_spec='${wl}--rpath,$libdir' + export_dynamic_flag_spec='${wl}--export-dynamic' + + # Archives containing C++ object files must be created using + # "CC -Bstatic", where "CC" is the KAI C++ compiler. + old_archive_cmds='$CC -Bstatic -o $oldlib $oldobjs' + ;; + cxx) + # Compaq C++ + archive_cmds='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib' + archive_expsym_cmds='$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 + hardcode_libdir_flag_spec='-rpath $libdir' + hardcode_libdir_separator=: + + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + # + # There doesn't appear to be a way to prevent this compiler from + # explicitly linking system object files so we need to strip them + # from the output so that they don't get included in the library + # dependencies. + output_verbose_link_cmd='templist=`$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' + ;; + esac + ;; + lynxos*) + # FIXME: insert proper C++ library support + ld_shlibs=no + ;; + m88k*) + # FIXME: insert proper C++ library support + ld_shlibs=no + ;; + mvs*) + case $cc_basename in + cxx) + # FIXME: insert proper C++ library support + ld_shlibs=no + ;; + *) + # FIXME: insert proper C++ library support + ld_shlibs=no + ;; + esac + ;; + netbsd*) + # NetBSD uses g++ - do we need to do anything? + ;; + 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. + archive_cmds='templib=`echo $lib | sed -e "s/\.so\..*/\.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib' + + hardcode_libdir_flag_spec='${wl}-rpath,$libdir' + hardcode_libdir_separator=: + + # Archives containing C++ object files must be created using + # "CC -Bstatic", where "CC" is the KAI C++ compiler. + old_archive_cmds='$CC -Bstatic -o $oldlib $oldobjs' + + ;; + RCC) + # Rational C++ 2.4.1 + # FIXME: insert proper C++ library support + ld_shlibs=no + ;; + cxx) + allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*' + archive_cmds='$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 ${objdir}/so_locations -o $lib' + + hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' + hardcode_libdir_separator=: + + # 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 $list' + ;; + *) + if test "$with_gcc" = yes && test "$with_gnu_ld" = no; then + allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*' + archive_cmds='$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 ${wl}${objdir}/so_locations -o $lib' + + hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' + hardcode_libdir_separator=: + + # 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 | egrep "\-L"' + else + # FIXME: insert proper C++ library support + ld_shlibs=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. + archive_cmds='templib=`echo $lib | sed -e "s/\.so\..*/\.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib' + + hardcode_libdir_flag_spec='${wl}-rpath,$libdir' + hardcode_libdir_separator=: + + # Archives containing C++ object files must be created using + # the KAI C++ compiler. + old_archive_cmds='$CC -o $oldlib $oldobjs' + ;; + RCC) + # Rational C++ 2.4.1 + # FIXME: insert proper C++ library support + ld_shlibs=no + ;; + cxx) + allow_undefined_flag=' -expect_unresolved \*' + archive_cmds='$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 ${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~ + $CC -shared$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 $objdir/so_locations -o $lib~ + $rm $lib.exp' + + hardcode_libdir_flag_spec='-rpath $libdir' + hardcode_libdir_separator=: + + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + # + # There doesn't appear to be a way to prevent this compiler from + # explicitly linking system object files so we need to strip them + # from the output so that they don't get included in the library + # dependencies. + output_verbose_link_cmd='templist=`$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 $list' + ;; + *) + if test "$with_gcc" = yes && test "$with_gnu_ld" = no; then + allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*' + archive_cmds='$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 ${wl}${objdir}/so_locations -o $lib' + + hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' + hardcode_libdir_separator=: + + # 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 | egrep "\-L"' + else + # FIXME: insert proper C++ library support + ld_shlibs=no + fi + ;; + esac + ;; + psos*) + # FIXME: insert proper C++ library support + ld_shlibs=no + ;; + sco*) + case $cc_basename in + CC) + # FIXME: insert proper C++ library support + ld_shlibs=no + ;; + *) + # FIXME: insert proper C++ library support + ld_shlibs=no + ;; + esac + ;; + sunos4*) + case $cc_basename in + CC) + # Sun C++ 4.x + # FIXME: insert proper C++ library support + ld_shlibs=no + ;; + lcc) + # Lucid + # FIXME: insert proper C++ library support + ld_shlibs=no + ;; + *) + # FIXME: insert proper C++ library support + ld_shlibs=no + ;; + esac + ;; + solaris*) + case $cc_basename in + CC) + # Sun C++ 4.2, 5.x and Centerline C++ + no_undefined_flag=' -zdefs' + archive_cmds='$CC -G${allow_undefined_flag} -nolib -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~ + $CC -G${allow_undefined_flag} -nolib ${wl}-M ${wl}$lib.exp -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$rm $lib.exp' + + hardcode_libdir_flag_spec='-R$libdir' + hardcode_shlibpath_var=no + case $host_os in + solaris2.[0-5] | solaris2.[0-5].*) ;; + *) + # The C++ compiler is used as linker so we must use $wl + # flag to pass the commands to the underlying system + # linker. + # Supported since Solaris 2.6 (maybe 2.5.1?) + whole_archive_flag_spec='${wl}-z ${wl}allextract$convenience ${wl}-z ${wl}defaultextract' + ;; + esac + link_all_deplibs=yes + + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + # + # There doesn't appear to be a way to prevent this compiler from + # explicitly linking system object files so we need to strip them + # from the output so that they don't get included in the library + # dependencies. + output_verbose_link_cmd='templist=`$CC -G $CFLAGS -v conftest.$objext 2>&1 | egrep "\-R|\-L"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; echo $list' + + # Archives containing C++ object files must be created using + # "CC -xar", where "CC" is the Sun C++ compiler. This is + # necessary to make sure instantiated templates are included + # in the archive. + old_archive_cmds='$CC -xar -o $oldlib $oldobjs' + ;; + gcx) + # Green Hills C++ Compiler + archive_cmds='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib' + + # The C++ compiler must be used to create the archive. + old_archive_cmds='$CC $LDFLAGS -archive -o $oldlib $oldobjs' + ;; + *) + # GNU C++ compiler with Solaris linker + if test "$with_gcc" = yes && test "$with_gnu_ld" = no; then + no_undefined_flag=' ${wl}-z ${wl}defs' + if $CC --version | egrep -v '^2\.7' > /dev/null; then + archive_cmds='$CC -shared -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib' + archive_expsym_cmds='$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 | egrep \"\-L\"" + else + # g++ 2.7 appears to require `-G' NOT `-shared' on this + # platform. + archive_cmds='$CC -G -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib' + archive_expsym_cmds='$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 | egrep \"\-L\"" + fi + + hardcode_libdir_flag_spec='${wl}-R $wl$libdir' + fi + ;; + esac + ;; + tandem*) + case $cc_basename in + NCC) + # NonStop-UX NCC 3.20 + # FIXME: insert proper C++ library support + ld_shlibs=no + ;; + *) + # FIXME: insert proper C++ library support + ld_shlibs=no + ;; + esac + ;; + unixware*) + # FIXME: insert proper C++ library support + ld_shlibs=no + ;; + vxworks*) + # FIXME: insert proper C++ library support + ld_shlibs=no + ;; + *) + # FIXME: insert proper C++ library support + ld_shlibs=no + ;; +esac + + +## Compiler Characteristics: PIC flags, static flags, etc + +# We don't use cached values here since only the C compiler +# characteristics should be cached. +ac_cv_prog_cc_pic= +ac_cv_prog_cc_shlib= +ac_cv_prog_cc_wl= +ac_cv_prog_cc_static= +ac_cv_prog_cc_no_builtin= +ac_cv_prog_cc_can_build_shared=$can_build_shared + +ac_cv_prog_cc_pic_works= +ac_cv_prog_cc_static_works= + +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 + lt_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 + case $host_os in + aix4* | aix5*) + # All AIX code is PIC. + if test "$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 + ;; + chorus*) + case $cc_basename in + cxch68) + # Green Hills C++ Compiler + # ac_cv_prog_cc_static="--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 + ;; + dgux*) + case $cc_basename in + ec++) + ac_cv_prog_cc_pic='-KPIC' + ;; + ghcx) + # Green Hills C++ Compiler + ac_cv_prog_cc_pic='-pic' + ;; + *) + ;; + esac + ;; + freebsd*) + # FreeBSD uses GNU C++ + ;; + gnu*) + ;; + hpux9* | hpux10* | hpux11*) + case $cc_basename in + CC) + ac_cv_prog_cc_wl='-Wl,' + ac_cv_prog_cc_static="${ac_cv_prog_cc_wl}-a ${ac_cv_prog_cc_wl}archive" + ac_cv_prog_cc_pic='+Z' + ;; + aCC) + ac_cv_prog_cc_wl='-Wl,' + ac_cv_prog_cc_static="${ac_cv_prog_cc_wl}-a ${ac_cv_prog_cc_wl}archive" + ac_cv_prog_cc_pic='+Z' + ;; + *) + ;; + esac + ;; + irix5* | irix6*) + case $cc_basename in + CC) + ac_cv_prog_cc_wl='-Wl,' + ac_cv_prog_cc_static='-non_shared' + ac_cv_prog_cc_pic='-KPIC' + ;; + *) + ;; + esac + ;; + linux*) + case $cc_basename in + KCC) + # KAI C++ Compiler + ac_cv_prog_cc_wl='--backend -Wl,' + ac_cv_prog_cc_pic='-fPIC' + ;; + cxx) + # Compaq C++ + # Make sure the PIC flag is empty. It appears that all Alpha + # Linux and Compaq Tru64 Unix objects are PIC. + ac_cv_prog_cc_pic= + ac_cv_prog_cc_static='-non_shared' + ;; + *) + ;; + esac + ;; + lynxos*) + ;; + m88k*) + ;; + mvs*) + case $cc_basename in + cxx) + ac_cv_prog_cc_pic='-W c,exportall' + ;; + *) + ;; + esac + ;; + netbsd*) + ;; + osf3* | osf4* | osf5*) + case $cc_basename in + KCC) + ac_cv_prog_cc_wl='--backend -Wl,' + ;; + RCC) + # Rational C++ 2.4.1 + ac_cv_prog_cc_pic='-pic' + ;; + cxx) + # Digital/Compaq C++ + ac_cv_prog_cc_wl='-Wl,' + # Make sure the PIC flag is empty. It appears that all Alpha + # Linux and Compaq Tru64 Unix objects are PIC. + ac_cv_prog_cc_pic= + ac_cv_prog_cc_static='-non_shared' + ;; + *) + ;; + esac + ;; + psos*) + ;; + sco*) + case $cc_basename in + CC) + ac_cv_prog_cc_pic='-fPIC' + ;; + *) + ;; + esac + ;; + solaris*) + case $cc_basename in + CC) + # Sun C++ 4.2, 5.x and Centerline C++ + ac_cv_prog_cc_pic='-KPIC' + ac_cv_prog_cc_static='-Bstatic' + ac_cv_prog_cc_wl='-Qoption ld ' + ;; + gcx) + # Green Hills C++ Compiler + ac_cv_prog_cc_pic='-PIC' + ;; + *) + ;; + esac + ;; + sunos4*) + case $cc_basename in + CC) + # Sun C++ 4.x + ac_cv_prog_cc_pic='-pic' + ac_cv_prog_cc_static='-Bstatic' + ;; + lcc) + # Lucid + ac_cv_prog_cc_pic='-pic' + ;; + *) + ;; + esac + ;; + tandem*) + case $cc_basename in + NCC) + # NonStop-UX NCC 3.20 + ac_cv_prog_cc_pic='-KPIC' + ;; + *) + ;; + esac + ;; + unixware*) + ;; + vxworks*) + ;; + *) + ac_cv_prog_cc_can_build_shared=no + ;; + esac +fi + +case "$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="$ac_cv_prog_cc_pic -DPIC" + ;; +esac + + +# Figure out "hidden" C++ library dependencies from verbose +# compiler output whening linking a shared library. +cat > conftest.$ac_ext <<EOF +class Foo +{ +public: + Foo (void) { a = 0; } +private: + int a; +}; +EOF + + +if (eval $ac_compile) 2>&5; 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 + + 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 $p in + -L* | -R*) + # Internal compiler library paths should come after those + # provided the user. The postdeps already come after the + # user supplied libs so there is no need to process them. + if test -z "$compiler_lib_search_path"; then + compiler_lib_search_path="${prev}${p}" + else + compiler_lib_search_path="${compiler_lib_search_path} ${prev}${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 "$postdeps"; then + postdeps="${prev}${p}" + else + postdeps="${postdeps} ${prev}${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 "$predep_objects"; then + predep_objects="$p" + else + predep_objects="$predep_objects $p" + fi + else + if test -z "$postdep_objects"; then + postdep_objects="$p" + else + postdep_objects="$postdep_objects $p" + fi + fi + ;; + + *) ;; # Ignore the rest. + + esac + done + + # Clean up. + rm -f a.out +else + echo "ltcf-cxx.sh: error: problem compiling test program" +fi + +$rm -f confest.$objext + +case " $postdeps " in +*" -lc "*) need_lc=no ;; +*) need_lc=yes ;; +esac |