888 lines
31 KiB
Bash
888 lines
31 KiB
Bash
#### This script is meant to be sourced by ltconfig.
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# ltcf-cxx.sh - Create a C++ compiler specific configuration
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#
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# Copyright (C) 1996-1999,2000 Free Software Foundation, Inc.
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# Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
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#
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# Original C++ support by:Gary V. Vaughan <gvv@techie.com>
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# Alexandre Oliva <oliva@lsd.ic.unicamp.br>
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# Ossama Othman <ossama@debian.org>
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# Thomas Thanner <tanner@gmx.de>
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#
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# This file is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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#
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# As a special exception to the GNU General Public License, if you
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# distribute this file as part of a program that contains a
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# configuration script generated by Autoconf, you may include it under
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# the same distribution terms that you use for the rest of that program.
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# Source file extension for C++ test sources.
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ac_ext=cc
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# Object file extension for compiled C++ test sources.
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objext=o
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# Code to be used in simple compile tests
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lt_simple_compile_test_code="int some_variable = 0;"
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# Code to be used in simple link tests
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lt_simple_link_test_code='int main(int, char *[]) { return (0); }'
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# C++ compiler
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CXX=${CXX-c++}
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# ltmain only uses $CC for tagged configurations so make sure $CC is set.
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CC=${CC-"$CXX"}
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CFLAGS=${CFLAGS-"$CXXFLAGS"}
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# Allow CC to be a program name with arguments.
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set dummy $CC
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compiler=$2
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cc_basename=`$echo X"$compiler" | $Xsed -e 's%^.*/%%'`
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# Check if we are using GNU gcc (taken/adapted from configure script)
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# We need to check here since "--with-gcc" is set at configure time,
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# not ltconfig time!
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cat > conftest.$ac_ext <<EOF
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#ifdef __GNUC__
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yes;
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#endif
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EOF
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if { ac_try='${CC-c++} -E conftest.$ac_ext'; { (eval echo \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
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with_gcc=yes
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# Set up default GNU C++ configuration
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# Check if GNU C++ uses GNU ld as the underlying linker, since the
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# archiving commands below assume that GNU ld is being used.
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if eval "`$CC -print-prog-name=ld` --version 2>&1" | \
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egrep 'GNU ld' > /dev/null; then
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with_gnu_ld=yes
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archive_cmds='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib'
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archive_expsym_cmds='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
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hardcode_libdir_flag_spec='${wl}--rpath ${wl}$libdir'
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export_dynamic_flag_spec='${wl}--export-dynamic'
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# If archive_cmds runs LD, not CC, wlarc should be empty
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# XXX I think wlarc can be eliminated in ltcf-cxx, but I need to
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# investigate it a little bit more. (MM)
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wlarc='${wl}'
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# ancient GNU ld didn't support --whole-archive et. al.
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if eval "`$CC -print-prog-name=ld` --help 2>&1" | \
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egrep 'no-whole-archive' > /dev/null; then
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whole_archive_flag_spec="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
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else
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whole_archive_flag_spec=
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fi
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else
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with_gnu_ld=no
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wlarc=
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# A generic and very simple default shared library creation
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# command for GNU C++ for the case where it uses the native
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# linker, instead of GNU ld. If possible, this setting should
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# overridden to take advantage of the native linker features on
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# the platform it is being used on.
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archive_cmds='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $lib'
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fi
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# Commands to make compiler produce verbose output that lists
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# what "hidden" libraries, object files and flags are used when
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# linking a shared library.
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output_verbose_link_cmds='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | egrep "\-L"'
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else
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with_gcc=no
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with_gnu_ld=no
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wlarc=
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fi
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# In general, the C++ compiler should always link C++ objects.
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case $target in
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*aix3* | *aix4*)
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# AIX just has to be different, doesn't it? :-\
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LD=makeC++SharedLib_r
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LDFLAGS="$LDFLAGS -p 0"
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;;
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*)
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LD="$CC"
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LDFLAGS="$LDFLAGS"
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;;
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esac
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# PORTME: fill in a description of your system's C++ link characteristics
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case "$host_os" in
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aix3*)
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# FIXME: insert proper C++ library support
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ld_shlibs=no
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;;
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aix4*)
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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'
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# -bexpall does not export symbols beginning with underscore (_)
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always_export_symbols=yes
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# Exported symbols can be pulled into shared objects from archives
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whole_archive_flag_spec=' '
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build_libtool_need_lc=yes
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;;
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chorus*)
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case "$cc_basename" in
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*)
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# FIXME: insert proper C++ library support
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ld_shlibs=no
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;;
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esac
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;;
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dgux*)
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case "$cc_basename" in
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ec++)
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# FIXME: insert proper C++ library support
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ld_shlibs=no
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;;
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ghcx)
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# Green Hills C++ Compiler
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# FIXME: insert proper C++ library support
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ld_shlibs=no
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;;
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*)
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# FIXME: insert proper C++ library support
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ld_shlibs=no
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;;
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esac
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;;
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freebsd*)
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# FreeBSD uses GNU C++ and GNU ld
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# FIXME: insert proper C++ library support
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ld_shlibs=no
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;;
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hpux*)
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case "$cc_basename" in
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CC)
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# FIXME: insert proper C++ library support
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ld_shlibs=no
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;;
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aCC)
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case "$host_os" in
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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 $lib' ;;
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*) archive_cmds='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' ;;
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esac
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hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
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hardcode_libdir_separator=:
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hardcode_direct=yes
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hardcode_minus_L=yes # Not in the search PATH, but as the default
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# location of the library.
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export_dynamic_flag_spec='${wl}-E'
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# Commands to make compiler produce verbose output that lists
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# what "hidden" libraries, object files and flags are used when
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# linking a shared library.
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#
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# There doesn't appear to be a way to prevent this compiler from
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# explicitly linking system object files so we need to strip them
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# from the output so that they don't get included in the library
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# dependencies.
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output_verbose_link_cmds='templist=`($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 $list'
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;;
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*)
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# FIXME: insert proper C++ library support
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ld_shlibs=no
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;;
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esac
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;;
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irix5* | irix6*)
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case "$cc_basename" in
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CC)
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# SGI C++
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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 $lib'
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# Archives containing C++ object files must be created using
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# "CC -ar", where "CC" is the IRIX C++ compiler. This is
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# necessary to make sure instantiated templates are included
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# in the archive.
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old_archive_cmds='$CC -ar -WR,-u -o $oldlib $oldobjs'
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;;
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*)
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if test "$with_gcc" = yes; then
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if test "$with_gnu_ld" = no; then
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archive_cmds='$CC -shared $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 $lib'
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else
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archive_cmds='$LD -shared $predep_objects $libobjs $deplibs $postdep_objects $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -o $lib'
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fi
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fi
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hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
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hardcode_libdir_separator=:
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link_all_deplibs=yes
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;;
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esac
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;;
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linux*)
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case "$cc_basename" in
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KCC)
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# Kuck and Associates, Inc. (KAI) C++ Compiler
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# KCC will only create a shared library if the output file
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# ends with ".so" (or ".sl" for HP-UX), so rename the library
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# to its proper name (with version) after linking.
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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'
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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 $lib'
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# Commands to make compiler produce verbose output that lists
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# what "hidden" libraries, object files and flags are used when
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# linking a shared library.
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#
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# There doesn't appear to be a way to prevent this compiler from
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# explicitly linking system object files so we need to strip them
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# from the output so that they don't get included in the library
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# dependencies.
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output_verbose_link_cmds='templist=`$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 $list'
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hardcode_libdir_flag_spec='${wl}--rpath,$libdir'
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export_dynamic_flag_spec='${wl}--export-dynamic'
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# Archives containing C++ object files must be created using
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# "CC -Bstatic", where "CC" is the KAI C++ compiler.
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old_archive_cmds='$CC -Bstatic -o $oldlib $oldobjs'
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;;
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cxx)
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# Compaq C++
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archive_cmds='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib'
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archive_expsym_cmds='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib ${wl}-retain-symbols-file $wl$export_symbols'
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runpath_var=LD_RUN_PATH
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hardcode_libdir_flag_spec='-rpath $libdir'
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hardcode_libdir_separator=:
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# Commands to make compiler produce verbose output that lists
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# what "hidden" libraries, object files and flags are used when
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# linking a shared library.
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#
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# There doesn't appear to be a way to prevent this compiler from
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# explicitly linking system object files so we need to strip them
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# from the output so that they don't get included in the library
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# dependencies.
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output_verbose_link_cmds='templist=`$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 $list'
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;;
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esac
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;;
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lynxos*)
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# FIXME: insert proper C++ library support
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ld_shlibs=no
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;;
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m88k*)
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# FIXME: insert proper C++ library support
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ld_shlibs=no
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;;
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mvs*)
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case "$cc_basename" in
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cxx)
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# FIXME: insert proper C++ library support
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ld_shlibs=no
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;;
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*)
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# FIXME: insert proper C++ library support
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ld_shlibs=no
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;;
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esac
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;;
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netbsd*)
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# NetBSD uses g++ - do we need to do anything?
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;;
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osf3*)
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if test "$with_gcc" = yes && test "$with_gnu_ld" = no; then
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allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
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archive_cmds='$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 $lib'
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hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
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hardcode_libdir_separator=:
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# Commands to make compiler produce verbose output that lists
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# what "hidden" libraries, object files and flags are used when
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# linking a shared library.
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output_verbose_link_cmds='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | egrep "\-L"'
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fi
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case "$cc_basename" in
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KCC)
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# Kuck and Associates, Inc. (KAI) C++ Compiler
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# KCC will only create a shared library if the output file
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# ends with ".so" (or ".sl" for HP-UX), so rename the library
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# to its proper name (with version) after linking.
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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 $lib'
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hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
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hardcode_libdir_separator=:
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# Archives containing C++ object files must be created using
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# "CC -Bstatic", where "CC" is the KAI C++ compiler.
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old_archive_cmds='$CC -Bstatic -o $oldlib $oldobjs'
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;;
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RCC)
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# Rational C++ 2.4.1
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# FIXME: insert proper C++ library support
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ld_shlibs=no
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;;
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cxx)
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allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
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archive_cmds='$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 $lib'
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hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
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hardcode_libdir_separator=:
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# Commands to make compiler produce verbose output that lists
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# what "hidden" libraries, object files and flags are used when
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# linking a shared library.
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#
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# There doesn't appear to be a way to prevent this compiler from
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# explicitly linking system object files so we need to strip them
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# from the output so that they don't get included in the library
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# dependencies.
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output_verbose_link_cmds='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 $list'
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;;
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*)
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# FIXME: insert proper C++ library support
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ld_shlibs=no
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;;
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esac
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;;
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osf4* | osf5*)
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if test "$with_gcc" = yes && test "$with_gnu_ld" = no; then
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allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
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archive_cmds='$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 $lib'
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hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
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hardcode_libdir_separator=:
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# Commands to make compiler produce verbose output that lists
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# what "hidden" libraries, object files and flags are used when
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# linking a shared library.
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output_verbose_link_cmds='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | egrep "\-L"'
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fi
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case "$cc_basename" in
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KCC)
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# Kuck and Associates, Inc. (KAI) C++ Compiler
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# KCC will only create a shared library if the output file
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# ends with ".so" (or ".sl" for HP-UX), so rename the library
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# to its proper name (with version) after linking.
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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 $lib'
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hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
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hardcode_libdir_separator=:
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# Archives containing C++ object files must be created using
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# the KAI C++ compiler.
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old_archive_cmds='$CC -o $oldlib $oldobjs'
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;;
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RCC)
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# Rational C++ 2.4.1
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# FIXME: insert proper C++ library support
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ld_shlibs=no
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;;
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cxx)
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allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
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archive_cmds='$CC -shared${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-msym ${wl}-soname $soname `test -n "$verstring" && echo ${wl}-set_version $verstring` -update_registry ${objdir}/so_locations -o $lib'
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hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
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hardcode_libdir_separator=:
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# Commands to make compiler produce verbose output that lists
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|
# 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_cmds='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 $list'
|
|
;;
|
|
*)
|
|
# FIXME: insert proper C++ library support
|
|
ld_shlibs=no
|
|
;;
|
|
esac
|
|
;;
|
|
psos*)
|
|
# FIXME: insert proper C++ library support
|
|
ld_shlibs=no
|
|
;;
|
|
sco*)
|
|
case "$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=' -ztext'
|
|
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 ${wl}defaultextract'
|
|
;;
|
|
esac
|
|
link_all_deplibs=yes
|
|
|
|
# Commands to make compiler produce verbose output that lists
|
|
# what "hidden" libraries, object files and flags are used when
|
|
# linking a shared library.
|
|
#
|
|
# There doesn't appear to be a way to prevent this compiler from
|
|
# explicitly linking system object files so we need to strip them
|
|
# from the output so that they don't get included in the library
|
|
# dependencies.
|
|
output_verbose_link_cmds='templist=`$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
|
|
if $CC --version | egrep -v '^2\.7' > /dev/null; then
|
|
archive_cmds='$LD -shared -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $linker_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~
|
|
$LD -shared -nostdlib ${wl}-M $wl$lib.exp -o $lib $predep_objects $libobjs $deplibs $postdep_objects $linker_flags~$rm $lib.exp'
|
|
|
|
# Commands to make compiler produce verbose output that lists
|
|
# what "hidden" libraries, object files and flags are used when
|
|
# linking a shared library.
|
|
output_verbose_link_cmds="$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='$LD -G -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $linker_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~
|
|
$LD -G -nostdlib ${wl}-M $wl$lib.exp -o $lib $predep_objects $libobjs $deplibs $postdep_objects $linker_flags~$rm $lib.exp'
|
|
|
|
# Commands to make compiler produce verbose output that lists
|
|
# what "hidden" libraries, object files and flags are used when
|
|
# linking a shared library.
|
|
output_verbose_link_cmds="$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
|
|
|
|
# It is not enough to reset these cached values, they must be unset.
|
|
unset ac_cv_prog_cc_pic_works
|
|
unset 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
|
|
beos* | irix5* | irix6* | osf3* | osf4* | osf5*)
|
|
# PIC is the default for these OSes.
|
|
;;
|
|
aix*)
|
|
# Below there is a dirty hack to force normal static linking with -ldl
|
|
# The problem is because libdl dynamically linked with both libc and
|
|
# libC (AIX C++ library), which obviously doesn't included in libraries
|
|
# list by gcc. This cause undefined symbols with -static flags.
|
|
# This hack allows C programs to be linked with "-static -ldl", but
|
|
# we not sure about C++ programs.
|
|
ac_cv_prog_cc_static="$ac_cv_prog_cc_static ${ac_cv_prog_cc_wl}-lC"
|
|
;;
|
|
cygwin* | mingw* | os2*)
|
|
# This hack is so that the source file can tell whether it is being
|
|
# built for inclusion in a dll (and should export symbols for example).
|
|
ac_cv_prog_cc_pic='-DDLL_EXPORT'
|
|
;;
|
|
amigaos*)
|
|
# FIXME: we need at least 68020 code to build shared libraries, but
|
|
# adding the `-m68020' flag to GCC prevents building anything better,
|
|
# like `-m68040'.
|
|
ac_cv_prog_cc_pic='-m68020 -resident32 -malways-restore-a4'
|
|
;;
|
|
sysv4*MP*)
|
|
if test -d /usr/nec; then
|
|
ac_cv_prog_cc_pic=-Kconform_pic
|
|
fi
|
|
;;
|
|
*)
|
|
ac_cv_prog_cc_pic='-fPIC'
|
|
;;
|
|
esac
|
|
else
|
|
case "$host_os" in
|
|
aix4*)
|
|
# All AIX code is PIC.
|
|
;;
|
|
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++
|
|
;;
|
|
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 "$cc_basename" in
|
|
NCC)
|
|
# NonStop-UX NCC 3.20
|
|
ac_cv_prog_cc_pic='-KPIC'
|
|
;;
|
|
*)
|
|
;;
|
|
esac
|
|
;;
|
|
unixware*)
|
|
;;
|
|
vxworks*)
|
|
;;
|
|
*)
|
|
ac_cv_prog_cc_can_build_shared=no
|
|
;;
|
|
esac
|
|
fi
|
|
ac_cv_prog_cc_pic="$ac_cv_prog_cc_pic -DPIC"
|
|
|
|
|
|
# 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_cmds`; 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
|