| #### 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 |
