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 $lib'
106 # Commands to make compiler produce verbose output that lists
107 # what "hidden" libraries, object files and flags are used when
108 # linking a shared library.
109 output_verbose_link_cmds
='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | egrep "\-L"'
117 # In general, the C++ compiler should always link C++ objects.
119 *aix3
* |
*aix4
* |
*aix5
*)
120 # AIX just has to be different, doesn't it? :-\
121 LD
=makeC
++SharedLib_r
122 LDFLAGS
="$LDFLAGS -p 0"
131 # PORTME: fill in a description of your system's C++ link characteristics
134 # FIXME: insert proper C++ library support
138 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'
139 # -bexpall does not export symbols beginning with underscore (_)
140 always_export_symbols
=yes
141 # Exported symbols can be pulled into shared objects from archives
142 whole_archive_flag_spec
=' '
143 build_libtool_need_lc
=yes
145 # We don't want to build shared libraries on unknown CPU types.
152 case "$cc_basename" in
154 # FIXME: insert proper C++ library support
160 case "$cc_basename" in
162 # FIXME: insert proper C++ library support
166 # Green Hills C++ Compiler
167 # FIXME: insert proper C++ library support
171 # FIXME: insert proper C++ library support
177 # C++ shared libraries reported to be fairly broken before switch to ELF
181 # FreeBSD 3 and later use GNU C++ and GNU ld with standard ELF
186 case "$cc_basename" in
188 # FIXME: insert proper C++ library support
193 hpux9
*) archive_cmds
='$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 $lib' ;;
194 *) archive_cmds
='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' ;;
196 hardcode_libdir_flag_spec
='${wl}+b ${wl}$libdir'
197 hardcode_libdir_separator
=:
199 hardcode_minus_L
=yes # Not in the search PATH, but as the default
200 # location of the library.
201 export_dynamic_flag_spec
='${wl}-E'
203 # Commands to make compiler produce verbose output that lists
204 # what "hidden" libraries, object files and flags are used when
205 # linking a shared library.
207 # There doesn't appear to be a way to prevent this compiler from
208 # explicitly linking system object files so we need to strip them
209 # from the output so that they don't get included in the library
211 output_verbose_link_cmds
='templist=`($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 $list'
214 # FIXME: insert proper C++ library support
220 case "$cc_basename" in
223 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 $lib'
225 # Archives containing C++ object files must be created using
226 # "CC -ar", where "CC" is the IRIX C++ compiler. This is
227 # necessary to make sure instantiated templates are included
229 old_archive_cmds
='$CC -ar -WR,-u -o $oldlib $oldobjs'
232 if test "$with_gcc" = yes; then
233 if test "$with_gnu_ld" = no
; then
234 archive_cmds
='$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 $lib'
236 archive_cmds
='$LD -shared $predep_objects $libobjs $deplibs $postdep_objects $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -o $lib'
239 hardcode_libdir_flag_spec
='${wl}-rpath ${wl}$libdir'
240 hardcode_libdir_separator
=:
246 case "$cc_basename" in
248 # Kuck and Associates, Inc. (KAI) C++ Compiler
250 # KCC will only create a shared library if the output file
251 # ends with ".so" (or ".sl" for HP-UX), so rename the library
252 # to its proper name (with version) after linking.
253 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'
254 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 $lib'
256 # Commands to make compiler produce verbose output that lists
257 # what "hidden" libraries, object files and flags are used when
258 # linking a shared library.
260 # There doesn't appear to be a way to prevent this compiler from
261 # explicitly linking system object files so we need to strip them
262 # from the output so that they don't get included in the library
264 output_verbose_link_cmds
='templist=`$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 $list'
266 hardcode_libdir_flag_spec
='${wl}--rpath,$libdir'
267 export_dynamic_flag_spec
='${wl}--export-dynamic'
269 # Archives containing C++ object files must be created using
270 # "CC -Bstatic", where "CC" is the KAI C++ compiler.
271 old_archive_cmds
='$CC -Bstatic -o $oldlib $oldobjs'
275 archive_cmds
='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib'
276 archive_expsym_cmds
='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib ${wl}-retain-symbols-file $wl$export_symbols'
278 runpath_var
=LD_RUN_PATH
279 hardcode_libdir_flag_spec
='-rpath $libdir'
280 hardcode_libdir_separator
=:
282 # Commands to make compiler produce verbose output that lists
283 # what "hidden" libraries, object files and flags are used when
284 # linking a shared library.
286 # There doesn't appear to be a way to prevent this compiler from
287 # explicitly linking system object files so we need to strip them
288 # from the output so that they don't get included in the library
290 output_verbose_link_cmds
='templist=`$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 $list'
295 # FIXME: insert proper C++ library support
299 # FIXME: insert proper C++ library support
303 case "$cc_basename" in
305 # FIXME: insert proper C++ library support
309 # FIXME: insert proper C++ library support
315 # NetBSD uses g++ - do we need to do anything?
318 if test "$with_gcc" = yes && test "$with_gnu_ld" = no
; then
319 allow_undefined_flag
=' ${wl}-expect_unresolved ${wl}\*'
320 archive_cmds
='$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 $lib'
322 hardcode_libdir_flag_spec
='${wl}-rpath ${wl}$libdir'
323 hardcode_libdir_separator
=:
325 # Commands to make compiler produce verbose output that lists
326 # what "hidden" libraries, object files and flags are used when
327 # linking a shared library.
328 output_verbose_link_cmds
='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | egrep "\-L"'
331 case "$cc_basename" in
333 # Kuck and Associates, Inc. (KAI) C++ Compiler
335 # KCC will only create a shared library if the output file
336 # ends with ".so" (or ".sl" for HP-UX), so rename the library
337 # to its proper name (with version) after linking.
338 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 $lib'
340 hardcode_libdir_flag_spec
='${wl}-rpath,$libdir'
341 hardcode_libdir_separator
=:
343 # Archives containing C++ object files must be created using
344 # "CC -Bstatic", where "CC" is the KAI C++ compiler.
345 old_archive_cmds
='$CC -Bstatic -o $oldlib $oldobjs'
350 # FIXME: insert proper C++ library support
354 allow_undefined_flag
=' ${wl}-expect_unresolved ${wl}\*'
355 archive_cmds
='$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 $lib'
357 hardcode_libdir_flag_spec
='${wl}-rpath ${wl}$libdir'
358 hardcode_libdir_separator
=:
360 # Commands to make compiler produce verbose output that lists
361 # what "hidden" libraries, object files and flags are used when
362 # linking a shared library.
364 # There doesn't appear to be a way to prevent this compiler from
365 # explicitly linking system object files so we need to strip them
366 # from the output so that they don't get included in the library
368 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 $list'
371 # FIXME: insert proper C++ library support
377 if test "$with_gcc" = yes && test "$with_gnu_ld" = no
; then
378 allow_undefined_flag
=' ${wl}-expect_unresolved ${wl}\*'
379 archive_cmds
='$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 $lib'
381 hardcode_libdir_flag_spec
='${wl}-rpath ${wl}$libdir'
382 hardcode_libdir_separator
=:
384 # Commands to make compiler produce verbose output that lists
385 # what "hidden" libraries, object files and flags are used when
386 # linking a shared library.
387 output_verbose_link_cmds
='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | egrep "\-L"'
390 case "$cc_basename" in
392 # Kuck and Associates, Inc. (KAI) C++ Compiler
394 # KCC will only create a shared library if the output file
395 # ends with ".so" (or ".sl" for HP-UX), so rename the library
396 # to its proper name (with version) after linking.
397 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 $lib'
399 hardcode_libdir_flag_spec
='${wl}-rpath,$libdir'
400 hardcode_libdir_separator
=:
402 # Archives containing C++ object files must be created using
403 # the KAI C++ compiler.
404 old_archive_cmds
='$CC -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}-msym ${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_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 $list'
429 # FIXME: insert proper C++ library support
435 # FIXME: insert proper C++ library support
439 case "$cc_basename" in
441 # FIXME: insert proper C++ library support
445 # FIXME: insert proper C++ library support
451 case "$cc_basename" in
454 # FIXME: insert proper C++ library support
459 # FIXME: insert proper C++ library support
463 # FIXME: insert proper C++ library support
469 case "$cc_basename" in
471 # Sun C++ 4.2, 5.x and Centerline C++
472 no_undefined_flag
=' -ztext'
473 archive_cmds
='$CC -G${allow_undefined_flag} -nolib -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
474 archive_expsym_cmds
='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
475 $CC -G${allow_undefined_flag} -nolib ${wl}-M ${wl}$lib.exp -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$rm $lib.exp'
477 hardcode_libdir_flag_spec
='-R$libdir'
478 hardcode_shlibpath_var
=no
480 solaris2.
[0-5] | solaris2.
[0-5].
*) ;;
482 # The C++ compiler is used as linker so we must use $wl
483 # flag to pass the commands to the underlying system
485 # Supported since Solaris 2.6 (maybe 2.5.1?)
486 whole_archive_flag_spec
='${wl}-z ${wl}allextract$convenience ${wl}-z ${wl}defaultextract'
491 # Commands to make compiler produce verbose output that lists
492 # what "hidden" libraries, object files and flags are used when
493 # linking a shared library.
495 # There doesn't appear to be a way to prevent this compiler from
496 # explicitly linking system object files so we need to strip them
497 # from the output so that they don't get included in the library
499 output_verbose_link_cmds
='templist=`$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 $list'
501 # Archives containing C++ object files must be created using
502 # "CC -xar", where "CC" is the Sun C++ compiler. This is
503 # necessary to make sure instantiated templates are included
505 old_archive_cmds
='$CC -xar -o $oldlib $oldobjs'
508 # Green Hills C++ Compiler
509 archive_cmds
='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib'
511 # The C++ compiler must be used to create the archive.
512 old_archive_cmds
='$CC $LDFLAGS -archive -o $oldlib $oldobjs'
515 # GNU C++ compiler with Solaris linker
516 if test "$with_gcc" = yes && test "$with_gnu_ld" = no
; then
517 if $CC --version |
egrep -v '^2\.7' > /dev
/null
; then
518 archive_cmds
='$LD -shared -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $linker_flags ${wl}-h $wl$soname -o $lib'
519 archive_expsym_cmds
='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
520 $LD -shared -nostdlib ${wl}-M $wl$lib.exp -o $lib $predep_objects $libobjs $deplibs $postdep_objects $linker_flags~$rm $lib.exp'
522 # Commands to make compiler produce verbose output that lists
523 # what "hidden" libraries, object files and flags are used when
524 # linking a shared library.
525 output_verbose_link_cmds
="$CC -shared $CFLAGS -v conftest.$objext 2>&1 | egrep \"\-L\""
527 # g++ 2.7 appears to require `-G' NOT `-shared' on this
529 archive_cmds
='$LD -G -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $linker_flags ${wl}-h $wl$soname -o $lib'
530 archive_expsym_cmds
='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
531 $LD -G -nostdlib ${wl}-M $wl$lib.exp -o $lib $predep_objects $libobjs $deplibs $postdep_objects $linker_flags~$rm $lib.exp'
533 # Commands to make compiler produce verbose output that lists
534 # what "hidden" libraries, object files and flags are used when
535 # linking a shared library.
536 output_verbose_link_cmds
="$CC -G $CFLAGS -v conftest.$objext 2>&1 | egrep \"\-L\""
539 hardcode_libdir_flag_spec
='${wl}-R $wl$libdir'
545 case "$cc_basename" in
547 # NonStop-UX NCC 3.20
548 # FIXME: insert proper C++ library support
552 # FIXME: insert proper C++ library support
558 # FIXME: insert proper C++ library support
562 # FIXME: insert proper C++ library support
566 # FIXME: insert proper C++ library support
572 ## Compiler Characteristics: PIC flags, static flags, etc
574 # We don't use cached values here since only the C compiler
575 # characteristics should be cached.
579 ac_cv_prog_cc_static
=
580 ac_cv_prog_cc_no_builtin
=
581 ac_cv_prog_cc_can_build_shared
=$can_build_shared
583 ac_cv_prog_cc_pic_works
=
584 ac_cv_prog_cc_static_works
=
586 if test "$with_gcc" = yes; then
587 ac_cv_prog_cc_wl
='-Wl,'
588 ac_cv_prog_cc_static
='-static'
591 beos
* | irix5
* | irix6
* | osf3
* | osf4
* | osf5
*)
592 # PIC is the default for these OSes.
595 # Below there is a dirty hack to force normal static linking with -ldl
596 # The problem is because libdl dynamically linked with both libc and
597 # libC (AIX C++ library), which obviously doesn't included in libraries
598 # list by gcc. This cause undefined symbols with -static flags.
599 # This hack allows C programs to be linked with "-static -ldl", but
600 # we not sure about C++ programs.
601 ac_cv_prog_cc_static
="$ac_cv_prog_cc_static ${ac_cv_prog_cc_wl}-lC"
604 # DJGPP does not support shared libraries at all
607 cygwin
* | mingw
* | os2
*)
608 # This hack is so that the source file can tell whether it is being
609 # built for inclusion in a dll (and should export symbols for example).
610 ac_cv_prog_cc_pic
='-DDLL_EXPORT'
613 # FIXME: we need at least 68020 code to build shared libraries, but
614 # adding the `-m68020' flag to GCC prevents building anything better,
616 ac_cv_prog_cc_pic
='-m68020 -resident32 -malways-restore-a4'
619 if test -d /usr
/nec
; then
620 ac_cv_prog_cc_pic
=-Kconform_pic
624 ac_cv_prog_cc_pic
='-fPIC'
630 # All AIX code is PIC.
633 case "$cc_basename" in
635 # Green Hills C++ Compiler
636 # 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 $MVME_DIR/lib/classix/libcx.s.a"
641 case "$cc_basename" in
643 ac_cv_prog_cc_pic
='-KPIC'
646 # Green Hills C++ Compiler
647 ac_cv_prog_cc_pic
='-pic'
654 # FreeBSD uses GNU C++
656 hpux9
* | hpux10
* | hpux11
*)
657 case "$cc_basename" in
659 ac_cv_prog_cc_wl
='-Wl,'
660 ac_cv_prog_cc_static
="${ac_cv_prog_cc_wl}-a ${ac_cv_prog_cc_wl}archive"
661 ac_cv_prog_cc_pic
='+Z'
664 ac_cv_prog_cc_wl
='-Wl,'
665 ac_cv_prog_cc_static
="${ac_cv_prog_cc_wl}-a ${ac_cv_prog_cc_wl}archive"
666 ac_cv_prog_cc_pic
='+Z'
673 case "$cc_basename" in
675 ac_cv_prog_cc_wl
='-Wl,'
676 ac_cv_prog_cc_static
='-non_shared'
677 ac_cv_prog_cc_pic
='-KPIC'
684 case "$cc_basename" in
687 ac_cv_prog_cc_wl
='--backend -Wl,'
688 ac_cv_prog_cc_pic
='-fPIC'
692 # Make sure the PIC flag is empty. It appears that all Alpha
693 # Linux and Compaq Tru64 Unix objects are PIC.
695 ac_cv_prog_cc_static
='-non_shared'
706 case "$cc_basename" in
708 ac_cv_prog_cc_pic
='-W c,exportall'
716 osf3
* | osf4
* | osf5
*)
717 case "$cc_basename" in
719 ac_cv_prog_cc_wl
='--backend -Wl,'
723 ac_cv_prog_cc_pic
='-pic'
727 ac_cv_prog_cc_wl
='-Wl,'
728 # Make sure the PIC flag is empty. It appears that all Alpha
729 # Linux and Compaq Tru64 Unix objects are PIC.
731 ac_cv_prog_cc_static
='-non_shared'
740 case "$cc_basename" in
742 ac_cv_prog_cc_pic
='-fPIC'
749 case "$cc_basename" in
751 # Sun C++ 4.2, 5.x and Centerline C++
752 ac_cv_prog_cc_pic
='-KPIC'
753 ac_cv_prog_cc_static
='-Bstatic'
754 ac_cv_prog_cc_wl
='-Qoption ld '
757 # Green Hills C++ Compiler
758 ac_cv_prog_cc_pic
='-PIC'
765 case "$cc_basename" in
768 ac_cv_prog_cc_pic
='-pic'
769 ac_cv_prog_cc_static
='-Bstatic'
773 ac_cv_prog_cc_pic
='-pic'
780 case "$cc_basename" in
782 # NonStop-UX NCC 3.20
783 ac_cv_prog_cc_pic
='-KPIC'
794 ac_cv_prog_cc_can_build_shared
=no
800 # Platforms which do not suport PIC and -DPIC is meaningless
806 ac_cv_prog_cc_pic
="$ac_cv_prog_cc_pic -DPIC"
811 # Figure out "hidden" C++ library dependencies from verbose
812 # compiler output whening linking a shared library.
813 cat > conftest.
$ac_ext <<EOF
817 Foo (void) { a = 0; }
824 if (eval $ac_compile) 2>&5; then
825 # Parse the compiler output and extract the necessary
826 # objects, libraries and library flags.
828 # Sentinel used to keep track of whether or not we are before
829 # the conftest object file.
830 pre_test_object_deps_done
=no
832 for p
in `eval $output_verbose_link_cmds`; do
837 # Some compilers place space between "-{L,R}" and the path.
840 ||
test $p = "-R"; then
847 if test "$pre_test_object_deps_done" = no
; then
850 # Internal compiler library paths should come after those
851 # provided the user. The postdeps already come after the
852 # user supplied libs so there is no need to process them.
853 if test -z "$compiler_lib_search_path"; then
854 compiler_lib_search_path
="${prev}${p}"
856 compiler_lib_search_path
="${compiler_lib_search_path} ${prev}${p}"
859 # The "-l" case would never come before the object being
860 # linked, so don't bother handling this case.
863 if test -z "$postdeps"; then
864 postdeps
="${prev}${p}"
866 postdeps
="${postdeps} ${prev}${p}"
872 # This assumes that the test object file only shows up
873 # once in the compiler output.
874 if test "$p" = "conftest.$objext"; then
875 pre_test_object_deps_done
=yes
879 if test "$pre_test_object_deps_done" = no
; then
880 if test -z "$predep_objects"; then
883 predep_objects
="$predep_objects $p"
886 if test -z "$postdep_objects"; then
889 postdep_objects
="$postdep_objects $p"
894 *) ;; # Ignore the rest.
902 echo "ltcf-cxx.sh: error: problem compiling test program"
905 $rm -f confest.
$objext
907 case " $postdeps " in
908 *" -lc "*) need_lc
=no
;;