#### 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