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#### 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., 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=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 $host_os in aix3*) # FIXME: insert proper C++ library support ld_shlibs=no ;; aix4* | aix5*) archive_cmds='' hardcode_direct=yes hardcode_libdir_separator=':' link_all_deplibs=yes file_list_spec='${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 $ld_flag = "-Wl,-brtl" ); then aix_use_runtimelinking=yes break fi done exp_sym_flag='-bexport' no_entry_flag='-bnoentry' fi # It seems that -bexpall does not export symbols beginning with # underscore (_), so it is better to generate a list of symbols to export. always_export_symbols=yes if test "$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 $cc_basename in *) # FIXME: insert proper C++ library support ld_shlibs=no ;; esac ;; darwin* | rhapsody*) case "$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 $host_os in darwin[1-6]*) can_build_shared=no ;; darwin7*) can_build_shared=yes ;; esac output_verbose_link_cmd='echo' archive_cmds='$CXX -dynamiclib $allow_undefined_flag -o $lib $libobjs $deplibs $compiler_flags -install_name $rpath/$soname $verstring' module_cmds='$CC ${wl}-bind_at_load $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 -r ${wl}-bind_at_load -keep_private_externs -nostdlib -o ${lib}-master.o $libobjs~$CC -dynamiclib $allow_undefined_flag -o $lib ${lib}-master.o $deplibs $compiler_flags -install_name $rpath/$soname $verstring~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 link_all_deplibs=yes ;; 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* | kfreebsd*-gnu) # 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 ${wl}-soname ${wl}$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* | knetbsd*-gnu) # 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 $cc_basename in NCC) # NonStop-UX NCC 3.20 # FIXME: insert proper C++ library support ld_shlibs=no ;; *) # FIXME: insert proper C++ library support ld_shlibs=no ;; esac ;; tpf*) ld_shlibs=yes ;; unixware*) # FIXME: insert proper C++ library support ld_shlibs=no ;; vxworks*) # FIXME: insert proper C++ library support ld_shlibs=no ;; *) # FIXME: insert proper C++ library support ld_shlibs=no ;; esac ## Compiler Characteristics: PIC flags, static flags, etc # We don't use cached values here since only the C compiler # characteristics should be cached. ac_cv_prog_cc_pic= ac_cv_prog_cc_shlib= ac_cv_prog_cc_wl= ac_cv_prog_cc_static= ac_cv_prog_cc_no_builtin= ac_cv_prog_cc_can_build_shared=$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 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 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* | kfreebsd*-gnu) # 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
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