1 #### This script is meant to be sourced by ltconfig.
3 # ltcf-cxx.sh - Create a C++ compiler specific configuration
5 # Copyright (C) 1996-1999, 2000, 2001 Free Software Foundation, Inc.
6 # Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
8 # Original C++ support by:Gary V. Vaughan <gvv@techie.com>
9 # Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10 # Ossama Othman <ossama@debian.org>
11 # Thomas Thanner <tanner@gmx.de>
13 # This file is free software; you can redistribute it and/or modify it
14 # under the terms of the GNU General Public License as published by
15 # the Free Software Foundation; either version 2 of the License, or
16 # (at your option) any later version.
18 # This program is distributed in the hope that it will be useful, but
19 # WITHOUT ANY WARRANTY; without even the implied warranty of
20 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
21 # General Public License for more details.
23 # You should have received a copy of the GNU General Public License
24 # along with this program; if not, write to the Free Software
25 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
27 # As a special exception to the GNU General Public License, if you
28 # distribute this file as part of a program that contains a
29 # configuration script generated by Autoconf, you may include it under
30 # the same distribution terms that you use for the rest of that program.
33 # Source file extension for C++ test sources.
36 # Object file extension for compiled C++ test sources.
39 # Code to be used in simple compile tests
40 lt_simple_compile_test_code="int some_variable = 0;"
42 # Code to be used in simple link tests
43 lt_simple_link_test_code='int main(int, char *[]) { return (0); }'
48 # ltmain only uses $CC for tagged configurations so make sure $CC is set.
50 CFLAGS=${CFLAGS-"$CXXFLAGS"}
52 # Allow CC to be a program name with arguments.
55 cc_basename=`$echo X"$compiler" | $Xsed -e 's%^.*/%%'`
57 # Check if we are using GNU gcc (taken/adapted from configure script)
58 # We need to check here since "--with-gcc" is set at configure time,
60 cat > conftest.$ac_ext <<EOF
65 if { ac_try='${CC-c++} -E conftest.$ac_ext'; { (eval echo \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
68 # Set up default GNU C++ configuration
70 # Check if GNU C++ uses GNU ld as the underlying linker, since the
71 # archiving commands below assume that GNU ld is being used.
72 if eval "`$CC -print-prog-name=ld` --version 2>&1" | \
73 egrep 'GNU ld' > /dev/null; then
76 archive_cmds='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib'
77 archive_expsym_cmds='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
79 hardcode_libdir_flag_spec='${wl}--rpath ${wl}$libdir'
80 export_dynamic_flag_spec='${wl}--export-dynamic'
82 # If archive_cmds runs LD, not CC, wlarc should be empty
83 # XXX I think wlarc can be eliminated in ltcf-cxx, but I need to
84 # investigate it a little bit more. (MM)
87 # ancient GNU ld didn't support --whole-archive et. al.
88 if eval "`$CC -print-prog-name=ld` --help 2>&1" | \
89 egrep 'no-whole-archive' > /dev/null; then
90 whole_archive_flag_spec="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
92 whole_archive_flag_spec=
98 # A generic and very simple default shared library creation
99 # command for GNU C++ for the case where it uses the native
100 # linker, instead of GNU ld. If possible, this setting should
101 # overridden to take advantage of the native linker features on
102 # the platform it is being used on.
103 archive_cmds='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $lib'
106 # Commands to make compiler produce verbose output that lists
107 # what "hidden" libraries, object files and flags are used when
108 # linking a shared library.
109 output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | egrep "\-L"'
117 # PORTME: fill in a description of your system's C++ link characteristics
120 # FIXME: insert proper C++ library support
126 hardcode_libdir_separator=':'
128 # When large executables or shared objects are built, AIX ld can
129 # have problems creating the table of contents. If linking a library
130 # or program results in "error TOC overflow" add -mminimal-toc to
131 # CXXFLAGS/CFLAGS for g++/gcc. In the cases where that is not
132 # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS.
133 if test "$with_gcc" = yes; then
134 case $host_os in aix4.[012]|aix4.[012].*)
135 # We only want to do this on AIX 4.2 and lower, the check
136 # below for broken collect2 doesn't work under 4.3+
137 collect2name=`${CC} -print-prog-name=collect2`
138 if test -f "$collect2name" && \
139 strings "$collect2name" | grep resolve_lib_name >/dev/null
141 # We have reworked collect2
144 # We have old collect2
145 hardcode_direct=unsupported
146 # It fails to find uninstalled libraries when the uninstalled
147 # path is not listed in the libpath. Setting hardcode_minus_L
148 # to unsupported forces relinking
150 hardcode_libdir_flag_spec='-L$libdir'
151 hardcode_libdir_separator=
154 shared_flag='-shared'
157 if test "$host_cpu" = ia64; then
158 shared_flag='${wl}-G'
160 shared_flag='${wl}-bM:SRE'
164 if test "$host_cpu" = ia64; then
165 # On IA64, the linker does run time linking by default, so we don't
166 # have to do anything special.
167 aix_use_runtimelinking=no
168 exp_sym_flag='-Bexport'
171 # Test if we are trying to use run time linking, or normal AIX style linking.
172 # If -brtl is somewhere in LDFLAGS, we need to do run time linking.
173 aix_use_runtimelinking=no
174 for ld_flag in $LDFLAGS; do
175 if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl" ); then
176 aix_use_runtimelinking=yes
180 exp_sym_flag='-bexport'
181 no_entry_flag='-bnoentry'
183 # It seems that -bexpall does not export symbols beginning with
184 # underscore (_), so it is better to generate a list of symbols to export.
185 always_export_symbols=yes
186 if test "$aix_use_runtimelinking" = yes; then
187 hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:/usr/lib:/lib'
188 allow_undefined_flag=' -Wl,-G'
189 archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs $compiler_flags ${allow_undefined_flag} '"\${wl}$no_entry_flag \${wl}-brtl \${wl}$exp_sym_flag:\$export_symbols"
191 if test "$host_cpu" = ia64; then
192 hardcode_libdir_flag_spec='${wl}-R $libdir:/usr/lib:/lib'
193 allow_undefined_flag="-z nodefs"
194 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"
196 hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:/usr/lib:/lib'
197 # Warning - without using the other run time loading flags, -berok will
198 # link without error, but may produce a broken library.
199 no_undefined_flag=' ${wl}-bnoerok'
200 allow_undefined_flag=' ${wl}-berok'
201 # -bexpall does not export symbols beginning with underscore (_)
202 always_export_symbols=yes
203 # Exported symbols can be pulled into shared objects from archives
204 whole_archive_flag_spec=' '
205 build_libtool_need_lc=yes
206 # This is similar to how AIX traditionally builds it's shared libraries.
207 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'
214 # FIXME: insert proper C++ library support
222 # FIXME: insert proper C++ library support
226 # Green Hills C++ Compiler
227 # FIXME: insert proper C++ library support
231 # FIXME: insert proper C++ library support
237 # C++ shared libraries reported to be fairly broken before switch to ELF
241 # FreeBSD 3 and later use GNU C++ and GNU ld with standard ELF
246 if test $with_gnu_ld = no; then
247 hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
248 hardcode_libdir_separator=:
249 export_dynamic_flag_spec='${wl}-E'
252 hardcode_minus_L=yes # Not in the search PATH, but as the default
253 # location of the library.
257 # FIXME: insert proper C++ library support
262 hpux9*) archive_cmds='$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 $lib' ;;
263 *) archive_cmds='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' ;;
265 # Commands to make compiler produce verbose output that lists
266 # what "hidden" libraries, object files and flags are used when
267 # linking a shared library.
269 # There doesn't appear to be a way to prevent this compiler from
270 # explicitly linking system object files so we need to strip them
271 # from the output so that they don't get included in the library
273 output_verbose_link_cmd='templist=`($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'
276 if test $with_gcc = yes; then
277 if test $with_gnu_ld = no; then
279 hpux9*) archive_cmds='$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 $lib' ;;
280 *) archive_cmds='$CC -shared -nostdlib -fPIC ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' ;;
284 # FIXME: insert proper C++ library support
294 archive_cmds='$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 $lib'
296 # Archives containing C++ object files must be created using
297 # "CC -ar", where "CC" is the IRIX C++ compiler. This is
298 # necessary to make sure instantiated templates are included
300 old_archive_cmds='$CC -ar -WR,-u -o $oldlib $oldobjs'
303 if test "$with_gcc" = yes; then
304 if test "$with_gnu_ld" = no; then
305 archive_cmds='$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 $lib'
307 archive_cmds='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -o $lib'
310 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
311 hardcode_libdir_separator=:
319 # Kuck and Associates, Inc. (KAI) C++ Compiler
321 # KCC will only create a shared library if the output file
322 # ends with ".so" (or ".sl" for HP-UX), so rename the library
323 # to its proper name (with version) after linking.
324 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'
325 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 $lib'
327 # Commands to make compiler produce verbose output that lists
328 # what "hidden" libraries, object files and flags are used when
329 # linking a shared library.
331 # There doesn't appear to be a way to prevent this compiler from
332 # explicitly linking system object files so we need to strip them
333 # from the output so that they don't get included in the library
335 output_verbose_link_cmd='templist=`$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 $list'
337 hardcode_libdir_flag_spec='${wl}--rpath,$libdir'
338 export_dynamic_flag_spec='${wl}--export-dynamic'
340 # Archives containing C++ object files must be created using
341 # "CC -Bstatic", where "CC" is the KAI C++ compiler.
342 old_archive_cmds='$CC -Bstatic -o $oldlib $oldobjs'
346 archive_cmds='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib'
347 archive_expsym_cmds='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib ${wl}-retain-symbols-file $wl$export_symbols'
349 runpath_var=LD_RUN_PATH
350 hardcode_libdir_flag_spec='-rpath $libdir'
351 hardcode_libdir_separator=:
353 # Commands to make compiler produce verbose output that lists
354 # what "hidden" libraries, object files and flags are used when
355 # linking a shared library.
357 # There doesn't appear to be a way to prevent this compiler from
358 # explicitly linking system object files so we need to strip them
359 # from the output so that they don't get included in the library
361 output_verbose_link_cmd='templist=`$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'
366 # FIXME: insert proper C++ library support
370 # FIXME: insert proper C++ library support
376 # FIXME: insert proper C++ library support
380 # FIXME: insert proper C++ library support
386 # NetBSD uses g++ - do we need to do anything?
391 # Kuck and Associates, Inc. (KAI) C++ Compiler
393 # KCC will only create a shared library if the output file
394 # ends with ".so" (or ".sl" for HP-UX), so rename the library
395 # to its proper name (with version) after linking.
396 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 $lib'
398 hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
399 hardcode_libdir_separator=:
401 # Archives containing C++ object files must be created using
402 # "CC -Bstatic", where "CC" is the KAI C++ compiler.
403 old_archive_cmds='$CC -Bstatic -o $oldlib $oldobjs'
408 # FIXME: insert proper C++ library support
412 allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
413 archive_cmds='$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 $lib'
415 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
416 hardcode_libdir_separator=:
418 # Commands to make compiler produce verbose output that lists
419 # what "hidden" libraries, object files and flags are used when
420 # linking a shared library.
422 # There doesn't appear to be a way to prevent this compiler from
423 # explicitly linking system object files so we need to strip them
424 # from the output so that they don't get included in the library
426 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 $list'
429 if test "$with_gcc" = yes && test "$with_gnu_ld" = no; then
430 allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
431 archive_cmds='$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 $lib'
433 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
434 hardcode_libdir_separator=:
436 # Commands to make compiler produce verbose output that lists
437 # what "hidden" libraries, object files and flags are used when
438 # linking a shared library.
439 output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | egrep "\-L"'
441 # FIXME: insert proper C++ library support
450 # Kuck and Associates, Inc. (KAI) C++ Compiler
452 # KCC will only create a shared library if the output file
453 # ends with ".so" (or ".sl" for HP-UX), so rename the library
454 # to its proper name (with version) after linking.
455 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 $lib'
457 hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
458 hardcode_libdir_separator=:
460 # Archives containing C++ object files must be created using
461 # the KAI C++ compiler.
462 old_archive_cmds='$CC -o $oldlib $oldobjs'
466 # FIXME: insert proper C++ library support
470 allow_undefined_flag=' -expect_unresolved \*'
471 archive_cmds='$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'
472 archive_expsym_cmds='for i in `cat $export_symbols`; do printf "-exported_symbol " >> $lib.exp; echo "\$i" >> $lib.exp; done~
473 echo "-hidden">> $lib.exp~
474 $CC -shared$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~
477 hardcode_libdir_flag_spec='-rpath $libdir'
478 hardcode_libdir_separator=:
480 # Commands to make compiler produce verbose output that lists
481 # what "hidden" libraries, object files and flags are used when
482 # linking a shared library.
484 # There doesn't appear to be a way to prevent this compiler from
485 # explicitly linking system object files so we need to strip them
486 # from the output so that they don't get included in the library
488 output_verbose_link_cmd='templist=`$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 $list'
491 if test "$with_gcc" = yes && test "$with_gnu_ld" = no; then
492 allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
493 archive_cmds='$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 $lib'
495 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
496 hardcode_libdir_separator=:
498 # Commands to make compiler produce verbose output that lists
499 # what "hidden" libraries, object files and flags are used when
500 # linking a shared library.
501 output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | egrep "\-L"'
503 # FIXME: insert proper C++ library support
510 # FIXME: insert proper C++ library support
516 # FIXME: insert proper C++ library support
520 # FIXME: insert proper C++ library support
529 # FIXME: insert proper C++ library support
534 # FIXME: insert proper C++ library support
538 # FIXME: insert proper C++ library support
546 # Sun C++ 4.2, 5.x and Centerline C++
547 no_undefined_flag=' -zdefs'
548 archive_cmds='$CC -G${allow_undefined_flag} -nolib -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
549 archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
550 $CC -G${allow_undefined_flag} -nolib ${wl}-M ${wl}$lib.exp -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$rm $lib.exp'
552 hardcode_libdir_flag_spec='-R$libdir'
553 hardcode_shlibpath_var=no
555 solaris2.[0-5] | solaris2.[0-5].*) ;;
557 # The C++ compiler is used as linker so we must use $wl
558 # flag to pass the commands to the underlying system
560 # Supported since Solaris 2.6 (maybe 2.5.1?)
561 whole_archive_flag_spec='${wl}-z ${wl}allextract$convenience ${wl}-z ${wl}defaultextract'
566 # Commands to make compiler produce verbose output that lists
567 # what "hidden" libraries, object files and flags are used when
568 # linking a shared library.
570 # There doesn't appear to be a way to prevent this compiler from
571 # explicitly linking system object files so we need to strip them
572 # from the output so that they don't get included in the library
574 output_verbose_link_cmd='templist=`$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 $list'
576 # Archives containing C++ object files must be created using
577 # "CC -xar", where "CC" is the Sun C++ compiler. This is
578 # necessary to make sure instantiated templates are included
580 old_archive_cmds='$CC -xar -o $oldlib $oldobjs'
583 # Green Hills C++ Compiler
584 archive_cmds='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib'
586 # The C++ compiler must be used to create the archive.
587 old_archive_cmds='$CC $LDFLAGS -archive -o $oldlib $oldobjs'
590 # GNU C++ compiler with Solaris linker
591 if test "$with_gcc" = yes && test "$with_gnu_ld" = no; then
592 no_undefined_flag=' ${wl}-z ${wl}defs'
593 if $CC --version | egrep -v '^2\.7' > /dev/null; then
594 archive_cmds='$CC -shared -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $linker_flags ${wl}-h $wl$soname -o $lib'
595 archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
596 $CC -shared -nostdlib ${wl}-M $wl$lib.exp -o $lib $predep_objects $libobjs $deplibs $postdep_objects $linker_flags~$rm $lib.exp'
598 # Commands to make compiler produce verbose output that lists
599 # what "hidden" libraries, object files and flags are used when
600 # linking a shared library.
601 output_verbose_link_cmd="$CC -shared $CFLAGS -v conftest.$objext 2>&1 | egrep \"\-L\""
603 # g++ 2.7 appears to require `-G' NOT `-shared' on this
605 archive_cmds='$CC -G -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $linker_flags ${wl}-h $wl$soname -o $lib'
606 archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
607 $CC -G -nostdlib ${wl}-M $wl$lib.exp -o $lib $predep_objects $libobjs $deplibs $postdep_objects $linker_flags~$rm $lib.exp'
609 # Commands to make compiler produce verbose output that lists
610 # what "hidden" libraries, object files and flags are used when
611 # linking a shared library.
612 output_verbose_link_cmd="$CC -G $CFLAGS -v conftest.$objext 2>&1 | egrep \"\-L\""
615 hardcode_libdir_flag_spec='${wl}-R $wl$libdir'
623 # NonStop-UX NCC 3.20
624 # FIXME: insert proper C++ library support
628 # FIXME: insert proper C++ library support
634 # FIXME: insert proper C++ library support
638 # FIXME: insert proper C++ library support
642 # FIXME: insert proper C++ library support
648 ## Compiler Characteristics: PIC flags, static flags, etc
650 # We don't use cached values here since only the C compiler
651 # characteristics should be cached.
655 ac_cv_prog_cc_static=
656 ac_cv_prog_cc_no_builtin=
657 ac_cv_prog_cc_can_build_shared=$can_build_shared
659 ac_cv_prog_cc_pic_works=
660 ac_cv_prog_cc_static_works=
662 if test "$with_gcc" = yes; then
663 ac_cv_prog_cc_wl='-Wl,'
664 ac_cv_prog_cc_static='-static'
668 # All AIX code is PIC.
669 if test "$host_cpu" = ia64; then
670 # AIX 5 now supports IA64 processor
671 lt_cv_prog_cc_static='-Bstatic'
673 lt_cv_prog_cc_static='-bnso -bI:/lib/syscalls.exp'
677 # FIXME: we need at least 68020 code to build shared libraries, but
678 # adding the `-m68020' flag to GCC prevents building anything better,
680 ac_cv_prog_cc_pic='-m68020 -resident32 -malways-restore-a4'
682 beos* | irix5* | irix6* | osf3* | osf4* | osf5*)
683 # PIC is the default for these OSes.
685 cygwin* | mingw* | os2*)
686 # This hack is so that the source file can tell whether it is being
687 # built for inclusion in a dll (and should export symbols for example).
688 ac_cv_prog_cc_pic='-DDLL_EXPORT'
691 # PIC is the default on this platform
692 # Common symbols not allowed in MH_DYLIB files
693 lt_cv_prog_cc_pic='-fno-common'
696 # DJGPP does not support shared libraries at all
700 if test -d /usr/nec; then
701 ac_cv_prog_cc_pic=-Kconform_pic
705 ac_cv_prog_cc_pic='-fPIC'
711 # All AIX code is PIC.
712 if test "$host_cpu" = ia64; then
713 # AIX 5 now supports IA64 processor
714 lt_cv_prog_cc_static='-Bstatic'
716 lt_cv_prog_cc_static='-bnso -bI:/lib/syscalls.exp'
722 # Green Hills C++ Compiler
723 # 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 $MVME_DIR/lib/classix/libcx.s.a"
730 ac_cv_prog_cc_pic='-KPIC'
733 # Green Hills C++ Compiler
734 ac_cv_prog_cc_pic='-pic'
741 # FreeBSD uses GNU C++
743 hpux9* | hpux10* | hpux11*)
746 ac_cv_prog_cc_wl='-Wl,'
747 ac_cv_prog_cc_static="${ac_cv_prog_cc_wl}-a ${ac_cv_prog_cc_wl}archive"
748 ac_cv_prog_cc_pic='+Z'
751 ac_cv_prog_cc_wl='-Wl,'
752 ac_cv_prog_cc_static="${ac_cv_prog_cc_wl}-a ${ac_cv_prog_cc_wl}archive"
753 ac_cv_prog_cc_pic='+Z'
762 ac_cv_prog_cc_wl='-Wl,'
763 ac_cv_prog_cc_static='-non_shared'
764 ac_cv_prog_cc_pic='-KPIC'
774 ac_cv_prog_cc_wl='--backend -Wl,'
775 ac_cv_prog_cc_pic='-fPIC'
779 # Make sure the PIC flag is empty. It appears that all Alpha
780 # Linux and Compaq Tru64 Unix objects are PIC.
782 ac_cv_prog_cc_static='-non_shared'
795 ac_cv_prog_cc_pic='-W c,exportall'
803 osf3* | osf4* | osf5*)
806 ac_cv_prog_cc_wl='--backend -Wl,'
810 ac_cv_prog_cc_pic='-pic'
814 ac_cv_prog_cc_wl='-Wl,'
815 # Make sure the PIC flag is empty. It appears that all Alpha
816 # Linux and Compaq Tru64 Unix objects are PIC.
818 ac_cv_prog_cc_static='-non_shared'
829 ac_cv_prog_cc_pic='-fPIC'
838 # Sun C++ 4.2, 5.x and Centerline C++
839 ac_cv_prog_cc_pic='-KPIC'
840 ac_cv_prog_cc_static='-Bstatic'
841 ac_cv_prog_cc_wl='-Qoption ld '
844 # Green Hills C++ Compiler
845 ac_cv_prog_cc_pic='-PIC'
855 ac_cv_prog_cc_pic='-pic'
856 ac_cv_prog_cc_static='-Bstatic'
860 ac_cv_prog_cc_pic='-pic'
869 # NonStop-UX NCC 3.20
870 ac_cv_prog_cc_pic='-KPIC'
881 ac_cv_prog_cc_can_build_shared=no
887 # Platforms which do not suport PIC and -DPIC is meaningless
893 ac_cv_prog_cc_pic="$ac_cv_prog_cc_pic -DPIC"
898 # Figure out "hidden" C++ library dependencies from verbose
899 # compiler output whening linking a shared library.
900 cat > conftest.$ac_ext <<EOF
904 Foo (void) { a = 0; }
911 if (eval $ac_compile) 2>&5; then
912 # Parse the compiler output and extract the necessary
913 # objects, libraries and library flags.
915 # Sentinel used to keep track of whether or not we are before
916 # the conftest object file.
917 pre_test_object_deps_done=no
919 for p in `eval $output_verbose_link_cmd`; do
924 # Some compilers place space between "-{L,R}" and the path.
927 || test $p = "-R"; then
934 if test "$pre_test_object_deps_done" = no; then
937 # Internal compiler library paths should come after those
938 # provided the user. The postdeps already come after the
939 # user supplied libs so there is no need to process them.
940 if test -z "$compiler_lib_search_path"; then
941 compiler_lib_search_path="${prev}${p}"
943 compiler_lib_search_path="${compiler_lib_search_path} ${prev}${p}"
946 # The "-l" case would never come before the object being
947 # linked, so don't bother handling this case.
950 if test -z "$postdeps"; then
951 postdeps="${prev}${p}"
953 postdeps="${postdeps} ${prev}${p}"
959 # This assumes that the test object file only shows up
960 # once in the compiler output.
961 if test "$p" = "conftest.$objext"; then
962 pre_test_object_deps_done=yes
966 if test "$pre_test_object_deps_done" = no; then
967 if test -z "$predep_objects"; then
970 predep_objects="$predep_objects $p"
973 if test -z "$postdep_objects"; then
976 postdep_objects="$postdep_objects $p"
981 *) ;; # Ignore the rest.
989 echo "ltcf-cxx.sh: error: problem compiling test program"
992 $rm -f confest.$objext
994 case " $postdeps " in
995 *" -lc "*) need_lc=no ;;