2002-02-18 David O'Brien <obrien@FreeBSD.org>
[binutils.git] / ltcf-cxx.sh
blob22875d06f187b5b242cf563884a970a41fab68b4
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.
34 ac_ext=cc
36 # Object file extension for compiled C++ test sources.
37 objext=o
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); }'
45 # C++ compiler
46 CXX=${CXX-c++}
48 # ltmain only uses $CC for tagged configurations so make sure $CC is set.
49 CC=${CC-"$CXX"}
50 CFLAGS=${CFLAGS-"$CXXFLAGS"}
52 # Allow CC to be a program name with arguments.
53 set dummy $CC
54 compiler=$2
55 cc_basename=`$echo X"$compiler" | $Xsed -e 's%^.*/%%'`
57 # Check if we are using GNU gcc (taken/adapted from configure script)
58 # We need to check here since "--with-gcc" is set at configure time,
59 # not ltconfig time!
60 cat > conftest.$ac_ext <<EOF
61 #ifdef __GNUC__
62 yes;
63 #endif
64 EOF
65 if { ac_try='${CC-c++} -E conftest.$ac_ext'; { (eval echo \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
66 with_gcc=yes
68 # Set up default GNU C++ configuration
70 # Check if GNU C++ uses GNU ld as the underlying linker, since the
71 # archiving commands below assume that GNU ld is being used.
72 if eval "`$CC -print-prog-name=ld` --version 2>&1" | \
73 egrep 'GNU ld' > /dev/null; then
74 with_gnu_ld=yes
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='${wl}--export-dynamic'
82 # If archive_cmds runs LD, not CC, wlarc should be empty
83 # XXX I think wlarc can be eliminated in ltcf-cxx, but I need to
84 # investigate it a little bit more. (MM)
85 wlarc='${wl}'
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'
91 else
92 whole_archive_flag_spec=
94 else
95 with_gnu_ld=no
96 wlarc=
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"'
111 else
112 with_gcc=no
113 with_gnu_ld=no
114 wlarc=
117 # PORTME: fill in a description of your system's C++ link characteristics
118 case $host_os in
119 aix3*)
120 # FIXME: insert proper C++ library support
121 ld_shlibs=no
123 aix4* | aix5*)
124 archive_cmds=''
125 hardcode_direct=yes
126 hardcode_libdir_separator=':'
127 link_all_deplibs=yes
128 # When large executables or shared objects are built, AIX ld can
129 # have problems creating the table of contents. If linking a library
130 # or program results in "error TOC overflow" add -mminimal-toc to
131 # CXXFLAGS/CFLAGS for g++/gcc. In the cases where that is not
132 # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS.
133 if test "$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
140 then
141 # We have reworked collect2
142 hardcode_direct=yes
143 else
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
149 hardcode_minus_L=yes
150 hardcode_libdir_flag_spec='-L$libdir'
151 hardcode_libdir_separator=
153 esac
154 shared_flag='-shared'
155 else
156 # not using gcc
157 if test "$host_cpu" = ia64; then
158 shared_flag='${wl}-G'
159 else
160 shared_flag='${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 if test $with_gnu_ld = no; then
169 exp_sym_flag='-Bexport'
170 no_entry_flag=""
172 else
173 # Test if we are trying to use run time linking, or normal AIX style linking.
174 # If -brtl is somewhere in LDFLAGS, we need to do run time linking.
175 aix_use_runtimelinking=no
176 for ld_flag in $LDFLAGS; do
177 if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl" ); then
178 aix_use_runtimelinking=yes
179 break
181 done
182 exp_sym_flag='-bexport'
183 no_entry_flag='-bnoentry'
185 # It seems that -bexpall does not export symbols beginning with
186 # underscore (_), so it is better to generate a list of symbols to export.
187 always_export_symbols=yes
188 if test "$aix_use_runtimelinking" = yes; then
189 hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:/usr/lib:/lib'
190 allow_undefined_flag=' -Wl,-G'
191 archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs $compiler_flags ${allow_undefined_flag} '"\${wl}$no_entry_flag \${wl}-brtl \${wl}$exp_sym_flag:\$export_symbols"
192 else
193 if test "$host_cpu" = ia64; then
194 if test $with_gnu_ld = no; then
195 hardcode_libdir_flag_spec='${wl}-R $libdir:/usr/lib:/lib'
196 allow_undefined_flag="-z nodefs"
197 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"
199 else
200 hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:/usr/lib:/lib'
201 # Warning - without using the other run time loading flags, -berok will
202 # link without error, but may produce a broken library.
203 no_undefined_flag=' ${wl}-bnoerok'
204 allow_undefined_flag=' ${wl}-berok'
205 # -bexpall does not export symbols beginning with underscore (_)
206 always_export_symbols=yes
207 # Exported symbols can be pulled into shared objects from archives
208 whole_archive_flag_spec=' '
209 build_libtool_need_lc=yes
210 # This is similar to how AIX traditionally builds it's shared libraries.
211 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'
215 chorus*)
216 case $cc_basename in
218 # FIXME: insert proper C++ library support
219 ld_shlibs=no
221 esac
223 dgux*)
224 case $cc_basename in
225 ec++)
226 # FIXME: insert proper C++ library support
227 ld_shlibs=no
229 ghcx)
230 # Green Hills C++ Compiler
231 # FIXME: insert proper C++ library support
232 ld_shlibs=no
235 # FIXME: insert proper C++ library support
236 ld_shlibs=no
238 esac
240 freebsd[12]*)
241 # C++ shared libraries reported to be fairly broken before switch to ELF
242 ld_shlibs=no
244 freebsd*)
245 # FreeBSD 3 and later use GNU C++ and GNU ld with standard ELF
246 # conventions
247 ld_shlibs=yes
249 gnu*)
251 hpux*)
252 if test $with_gnu_ld = no; then
253 hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
254 hardcode_libdir_separator=:
255 export_dynamic_flag_spec='${wl}-E'
257 hardcode_direct=yes
258 hardcode_minus_L=yes # Not in the search PATH, but as the default
259 # location of the library.
261 case $cc_basename in
263 # FIXME: insert proper C++ library support
264 ld_shlibs=no
266 aCC)
267 case $host_os in
268 hpux9*) archive_cmds='$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 $lib' ;;
269 *) archive_cmds='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' ;;
270 esac
271 # Commands to make compiler produce verbose output that lists
272 # what "hidden" libraries, object files and flags are used when
273 # linking a shared library.
275 # There doesn't appear to be a way to prevent this compiler from
276 # explicitly linking system object files so we need to strip them
277 # from the output so that they don't get included in the library
278 # dependencies.
279 output_verbose_link_cmd='templist=`($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'
282 if test $with_gcc = yes; then
283 if test $with_gnu_ld = no; then
284 case "$host_os" in
285 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 $lib' ;;
286 *) archive_cmds='$CC -shared -nostdlib -fPIC ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' ;;
287 esac
289 else
290 # FIXME: insert proper C++ library support
291 ld_shlibs=no
294 esac
296 irix5* | irix6*)
297 case $cc_basename in
299 # SGI C++
300 archive_cmds='$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 $lib'
302 # Archives containing C++ object files must be created using
303 # "CC -ar", where "CC" is the IRIX C++ compiler. This is
304 # necessary to make sure instantiated templates are included
305 # in the archive.
306 old_archive_cmds='$CC -ar -WR,-u -o $oldlib $oldobjs'
309 if test "$with_gcc" = yes; then
310 if test "$with_gnu_ld" = no; then
311 archive_cmds='$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 $lib'
312 else
313 archive_cmds='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -o $lib'
316 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
317 hardcode_libdir_separator=:
318 link_all_deplibs=yes
320 esac
322 linux*)
323 case $cc_basename in
324 KCC)
325 # Kuck and Associates, Inc. (KAI) C++ Compiler
327 # KCC will only create a shared library if the output file
328 # ends with ".so" (or ".sl" for HP-UX), so rename the library
329 # to its proper name (with version) after linking.
330 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'
331 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 $lib'
333 # Commands to make compiler produce verbose output that lists
334 # what "hidden" libraries, object files and flags are used when
335 # linking a shared library.
337 # There doesn't appear to be a way to prevent this compiler from
338 # explicitly linking system object files so we need to strip them
339 # from the output so that they don't get included in the library
340 # dependencies.
341 output_verbose_link_cmd='templist=`$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 $list'
343 hardcode_libdir_flag_spec='${wl}--rpath,$libdir'
344 export_dynamic_flag_spec='${wl}--export-dynamic'
346 # Archives containing C++ object files must be created using
347 # "CC -Bstatic", where "CC" is the KAI C++ compiler.
348 old_archive_cmds='$CC -Bstatic -o $oldlib $oldobjs'
350 cxx)
351 # Compaq C++
352 archive_cmds='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib'
353 archive_expsym_cmds='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib ${wl}-retain-symbols-file $wl$export_symbols'
355 runpath_var=LD_RUN_PATH
356 hardcode_libdir_flag_spec='-rpath $libdir'
357 hardcode_libdir_separator=:
359 # Commands to make compiler produce verbose output that lists
360 # what "hidden" libraries, object files and flags are used when
361 # linking a shared library.
363 # There doesn't appear to be a way to prevent this compiler from
364 # explicitly linking system object files so we need to strip them
365 # from the output so that they don't get included in the library
366 # dependencies.
367 output_verbose_link_cmd='templist=`$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'
369 esac
371 lynxos*)
372 # FIXME: insert proper C++ library support
373 ld_shlibs=no
375 m88k*)
376 # FIXME: insert proper C++ library support
377 ld_shlibs=no
379 mvs*)
380 case $cc_basename in
381 cxx)
382 # FIXME: insert proper C++ library support
383 ld_shlibs=no
386 # FIXME: insert proper C++ library support
387 ld_shlibs=no
389 esac
391 netbsd*)
392 # NetBSD uses g++ - do we need to do anything?
394 osf3*)
395 case $cc_basename in
396 KCC)
397 # Kuck and Associates, Inc. (KAI) C++ Compiler
399 # KCC will only create a shared library if the output file
400 # ends with ".so" (or ".sl" for HP-UX), so rename the library
401 # to its proper name (with version) after linking.
402 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 $lib'
404 hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
405 hardcode_libdir_separator=:
407 # Archives containing C++ object files must be created using
408 # "CC -Bstatic", where "CC" is the KAI C++ compiler.
409 old_archive_cmds='$CC -Bstatic -o $oldlib $oldobjs'
412 RCC)
413 # Rational C++ 2.4.1
414 # FIXME: insert proper C++ library support
415 ld_shlibs=no
417 cxx)
418 allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
419 archive_cmds='$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 $lib'
421 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
422 hardcode_libdir_separator=:
424 # Commands to make compiler produce verbose output that lists
425 # what "hidden" libraries, object files and flags are used when
426 # linking a shared library.
428 # There doesn't appear to be a way to prevent this compiler from
429 # explicitly linking system object files so we need to strip them
430 # from the output so that they don't get included in the library
431 # dependencies.
432 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 $list'
435 if test "$with_gcc" = yes && test "$with_gnu_ld" = no; then
436 allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
437 archive_cmds='$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 $lib'
439 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
440 hardcode_libdir_separator=:
442 # Commands to make compiler produce verbose output that lists
443 # what "hidden" libraries, object files and flags are used when
444 # linking a shared library.
445 output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | egrep "\-L"'
446 else
447 # FIXME: insert proper C++ library support
448 ld_shlibs=no
451 esac
453 osf4* | osf5*)
454 case $cc_basename in
455 KCC)
456 # Kuck and Associates, Inc. (KAI) C++ Compiler
458 # KCC will only create a shared library if the output file
459 # ends with ".so" (or ".sl" for HP-UX), so rename the library
460 # to its proper name (with version) after linking.
461 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 $lib'
463 hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
464 hardcode_libdir_separator=:
466 # Archives containing C++ object files must be created using
467 # the KAI C++ compiler.
468 old_archive_cmds='$CC -o $oldlib $oldobjs'
470 RCC)
471 # Rational C++ 2.4.1
472 # FIXME: insert proper C++ library support
473 ld_shlibs=no
475 cxx)
476 allow_undefined_flag=' -expect_unresolved \*'
477 archive_cmds='$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'
478 archive_expsym_cmds='for i in `cat $export_symbols`; do printf "-exported_symbol " >> $lib.exp; echo "\$i" >> $lib.exp; done~
479 echo "-hidden">> $lib.exp~
480 $CC -shared$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~
481 $rm $lib.exp'
483 hardcode_libdir_flag_spec='-rpath $libdir'
484 hardcode_libdir_separator=:
486 # Commands to make compiler produce verbose output that lists
487 # what "hidden" libraries, object files and flags are used when
488 # linking a shared library.
490 # There doesn't appear to be a way to prevent this compiler from
491 # explicitly linking system object files so we need to strip them
492 # from the output so that they don't get included in the library
493 # dependencies.
494 output_verbose_link_cmd='templist=`$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 $list'
497 if test "$with_gcc" = yes && test "$with_gnu_ld" = no; then
498 allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
499 archive_cmds='$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 $lib'
501 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
502 hardcode_libdir_separator=:
504 # Commands to make compiler produce verbose output that lists
505 # what "hidden" libraries, object files and flags are used when
506 # linking a shared library.
507 output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | egrep "\-L"'
508 else
509 # FIXME: insert proper C++ library support
510 ld_shlibs=no
513 esac
515 psos*)
516 # FIXME: insert proper C++ library support
517 ld_shlibs=no
519 sco*)
520 case $cc_basename in
522 # FIXME: insert proper C++ library support
523 ld_shlibs=no
526 # FIXME: insert proper C++ library support
527 ld_shlibs=no
529 esac
531 sunos4*)
532 case $cc_basename in
534 # Sun C++ 4.x
535 # FIXME: insert proper C++ library support
536 ld_shlibs=no
538 lcc)
539 # Lucid
540 # FIXME: insert proper C++ library support
541 ld_shlibs=no
544 # FIXME: insert proper C++ library support
545 ld_shlibs=no
547 esac
549 solaris*)
550 case $cc_basename in
552 # Sun C++ 4.2, 5.x and Centerline C++
553 no_undefined_flag=' -zdefs'
554 archive_cmds='$CC -G${allow_undefined_flag} -nolib -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
555 archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
556 $CC -G${allow_undefined_flag} -nolib ${wl}-M ${wl}$lib.exp -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$rm $lib.exp'
558 hardcode_libdir_flag_spec='-R$libdir'
559 hardcode_shlibpath_var=no
560 case $host_os in
561 solaris2.[0-5] | solaris2.[0-5].*) ;;
563 # The C++ compiler is used as linker so we must use $wl
564 # flag to pass the commands to the underlying system
565 # linker.
566 # Supported since Solaris 2.6 (maybe 2.5.1?)
567 whole_archive_flag_spec='${wl}-z ${wl}allextract$convenience ${wl}-z ${wl}defaultextract'
569 esac
570 link_all_deplibs=yes
572 # Commands to make compiler produce verbose output that lists
573 # what "hidden" libraries, object files and flags are used when
574 # linking a shared library.
576 # There doesn't appear to be a way to prevent this compiler from
577 # explicitly linking system object files so we need to strip them
578 # from the output so that they don't get included in the library
579 # dependencies.
580 output_verbose_link_cmd='templist=`$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 $list'
582 # Archives containing C++ object files must be created using
583 # "CC -xar", where "CC" is the Sun C++ compiler. This is
584 # necessary to make sure instantiated templates are included
585 # in the archive.
586 old_archive_cmds='$CC -xar -o $oldlib $oldobjs'
588 gcx)
589 # Green Hills C++ Compiler
590 archive_cmds='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib'
592 # The C++ compiler must be used to create the archive.
593 old_archive_cmds='$CC $LDFLAGS -archive -o $oldlib $oldobjs'
596 # GNU C++ compiler with Solaris linker
597 if test "$with_gcc" = yes && test "$with_gnu_ld" = no; then
598 no_undefined_flag=' ${wl}-z ${wl}defs'
599 if $CC --version | egrep -v '^2\.7' > /dev/null; then
600 archive_cmds='$CC -shared -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $linker_flags ${wl}-h $wl$soname -o $lib'
601 archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
602 $CC -shared -nostdlib ${wl}-M $wl$lib.exp -o $lib $predep_objects $libobjs $deplibs $postdep_objects $linker_flags~$rm $lib.exp'
604 # Commands to make compiler produce verbose output that lists
605 # what "hidden" libraries, object files and flags are used when
606 # linking a shared library.
607 output_verbose_link_cmd="$CC -shared $CFLAGS -v conftest.$objext 2>&1 | egrep \"\-L\""
608 else
609 # g++ 2.7 appears to require `-G' NOT `-shared' on this
610 # platform.
611 archive_cmds='$CC -G -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $linker_flags ${wl}-h $wl$soname -o $lib'
612 archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
613 $CC -G -nostdlib ${wl}-M $wl$lib.exp -o $lib $predep_objects $libobjs $deplibs $postdep_objects $linker_flags~$rm $lib.exp'
615 # Commands to make compiler produce verbose output that lists
616 # what "hidden" libraries, object files and flags are used when
617 # linking a shared library.
618 output_verbose_link_cmd="$CC -G $CFLAGS -v conftest.$objext 2>&1 | egrep \"\-L\""
621 hardcode_libdir_flag_spec='${wl}-R $wl$libdir'
624 esac
626 tandem*)
627 case $cc_basename in
628 NCC)
629 # NonStop-UX NCC 3.20
630 # FIXME: insert proper C++ library support
631 ld_shlibs=no
634 # FIXME: insert proper C++ library support
635 ld_shlibs=no
637 esac
639 unixware*)
640 # FIXME: insert proper C++ library support
641 ld_shlibs=no
643 vxworks*)
644 # FIXME: insert proper C++ library support
645 ld_shlibs=no
648 # FIXME: insert proper C++ library support
649 ld_shlibs=no
651 esac
654 ## Compiler Characteristics: PIC flags, static flags, etc
656 # We don't use cached values here since only the C compiler
657 # characteristics should be cached.
658 ac_cv_prog_cc_pic=
659 ac_cv_prog_cc_shlib=
660 ac_cv_prog_cc_wl=
661 ac_cv_prog_cc_static=
662 ac_cv_prog_cc_no_builtin=
663 ac_cv_prog_cc_can_build_shared=$can_build_shared
665 ac_cv_prog_cc_pic_works=
666 ac_cv_prog_cc_static_works=
668 if test "$with_gcc" = yes; then
669 ac_cv_prog_cc_wl='-Wl,'
670 ac_cv_prog_cc_static='-static'
672 case $host_os in
673 aix*)
674 # All AIX code is PIC.
675 if test "$host_cpu" = ia64; then
676 # AIX 5 now supports IA64 processor
677 lt_cv_prog_cc_static='-Bstatic'
678 else
679 lt_cv_prog_cc_static='-bnso -bI:/lib/syscalls.exp'
682 amigaos*)
683 # FIXME: we need at least 68020 code to build shared libraries, but
684 # adding the `-m68020' flag to GCC prevents building anything better,
685 # like `-m68040'.
686 ac_cv_prog_cc_pic='-m68020 -resident32 -malways-restore-a4'
688 beos* | irix5* | irix6* | osf3* | osf4* | osf5*)
689 # PIC is the default for these OSes.
691 cygwin* | mingw* | os2*)
692 # This hack is so that the source file can tell whether it is being
693 # built for inclusion in a dll (and should export symbols for example).
694 ac_cv_prog_cc_pic='-DDLL_EXPORT'
696 darwin* | rhapsody*)
697 # PIC is the default on this platform
698 # Common symbols not allowed in MH_DYLIB files
699 lt_cv_prog_cc_pic='-fno-common'
701 *djgpp*)
702 # DJGPP does not support shared libraries at all
703 ac_cv_prog_cc_pic=
705 sysv4*MP*)
706 if test -d /usr/nec; then
707 ac_cv_prog_cc_pic=-Kconform_pic
711 ac_cv_prog_cc_pic='-fPIC'
713 esac
714 else
715 case $host_os in
716 aix4* | aix5*)
717 # All AIX code is PIC.
718 if test "$host_cpu" = ia64; then
719 # AIX 5 now supports IA64 processor
720 lt_cv_prog_cc_static='-Bstatic'
721 else
722 lt_cv_prog_cc_static='-bnso -bI:/lib/syscalls.exp'
725 chorus*)
726 case $cc_basename in
727 cxch68)
728 # Green Hills C++ Compiler
729 # 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"
731 esac
733 dgux*)
734 case $cc_basename in
735 ec++)
736 ac_cv_prog_cc_pic='-KPIC'
738 ghcx)
739 # Green Hills C++ Compiler
740 ac_cv_prog_cc_pic='-pic'
744 esac
746 freebsd*)
747 # FreeBSD uses GNU C++
749 gnu*)
751 hpux9* | hpux10* | hpux11*)
752 case $cc_basename in
754 ac_cv_prog_cc_wl='-Wl,'
755 ac_cv_prog_cc_static="${ac_cv_prog_cc_wl}-a ${ac_cv_prog_cc_wl}archive"
756 ac_cv_prog_cc_pic='+Z'
758 aCC)
759 ac_cv_prog_cc_wl='-Wl,'
760 ac_cv_prog_cc_static="${ac_cv_prog_cc_wl}-a ${ac_cv_prog_cc_wl}archive"
761 ac_cv_prog_cc_pic='+Z'
765 esac
767 irix5* | irix6*)
768 case $cc_basename in
770 ac_cv_prog_cc_wl='-Wl,'
771 ac_cv_prog_cc_static='-non_shared'
772 ac_cv_prog_cc_pic='-KPIC'
776 esac
778 linux*)
779 case $cc_basename in
780 KCC)
781 # KAI C++ Compiler
782 ac_cv_prog_cc_wl='--backend -Wl,'
783 ac_cv_prog_cc_pic='-fPIC'
785 cxx)
786 # Compaq C++
787 # Make sure the PIC flag is empty. It appears that all Alpha
788 # Linux and Compaq Tru64 Unix objects are PIC.
789 ac_cv_prog_cc_pic=
790 ac_cv_prog_cc_static='-non_shared'
794 esac
796 lynxos*)
798 m88k*)
800 mvs*)
801 case $cc_basename in
802 cxx)
803 ac_cv_prog_cc_pic='-W c,exportall'
807 esac
809 netbsd*)
811 osf3* | osf4* | osf5*)
812 case $cc_basename in
813 KCC)
814 ac_cv_prog_cc_wl='--backend -Wl,'
816 RCC)
817 # Rational C++ 2.4.1
818 ac_cv_prog_cc_pic='-pic'
820 cxx)
821 # Digital/Compaq C++
822 ac_cv_prog_cc_wl='-Wl,'
823 # Make sure the PIC flag is empty. It appears that all Alpha
824 # Linux and Compaq Tru64 Unix objects are PIC.
825 ac_cv_prog_cc_pic=
826 ac_cv_prog_cc_static='-non_shared'
830 esac
832 psos*)
834 sco*)
835 case $cc_basename in
837 ac_cv_prog_cc_pic='-fPIC'
841 esac
843 solaris*)
844 case $cc_basename in
846 # Sun C++ 4.2, 5.x and Centerline C++
847 ac_cv_prog_cc_pic='-KPIC'
848 ac_cv_prog_cc_static='-Bstatic'
849 ac_cv_prog_cc_wl='-Qoption ld '
851 gcx)
852 # Green Hills C++ Compiler
853 ac_cv_prog_cc_pic='-PIC'
857 esac
859 sunos4*)
860 case $cc_basename in
862 # Sun C++ 4.x
863 ac_cv_prog_cc_pic='-pic'
864 ac_cv_prog_cc_static='-Bstatic'
866 lcc)
867 # Lucid
868 ac_cv_prog_cc_pic='-pic'
872 esac
874 tandem*)
875 case $cc_basename in
876 NCC)
877 # NonStop-UX NCC 3.20
878 ac_cv_prog_cc_pic='-KPIC'
882 esac
884 unixware*)
886 vxworks*)
889 ac_cv_prog_cc_can_build_shared=no
891 esac
894 case "$host_os" in
895 # Platforms which do not suport PIC and -DPIC is meaningless
896 # on them:
897 *djgpp*)
898 ac_cv_prog_cc_pic=
901 ac_cv_prog_cc_pic="$ac_cv_prog_cc_pic -DPIC"
903 esac
906 # Figure out "hidden" C++ library dependencies from verbose
907 # compiler output whening linking a shared library.
908 cat > conftest.$ac_ext <<EOF
909 class Foo
911 public:
912 Foo (void) { a = 0; }
913 private:
914 int a;
919 if (eval $ac_compile) 2>&5; then
920 # Parse the compiler output and extract the necessary
921 # objects, libraries and library flags.
923 # Sentinel used to keep track of whether or not we are before
924 # the conftest object file.
925 pre_test_object_deps_done=no
927 for p in `eval $output_verbose_link_cmd`; do
929 case $p in
931 -L* | -R* | -l*)
932 # Some compilers place space between "-{L,R}" and the path.
933 # Remove the space.
934 if test $p = "-L" \
935 || test $p = "-R"; then
936 prev=$p
937 continue
938 else
939 prev=
942 if test "$pre_test_object_deps_done" = no; then
943 case $p in
944 -L* | -R*)
945 # Internal compiler library paths should come after those
946 # provided the user. The postdeps already come after the
947 # user supplied libs so there is no need to process them.
948 if test -z "$compiler_lib_search_path"; then
949 compiler_lib_search_path="${prev}${p}"
950 else
951 compiler_lib_search_path="${compiler_lib_search_path} ${prev}${p}"
954 # The "-l" case would never come before the object being
955 # linked, so don't bother handling this case.
956 esac
957 else
958 if test -z "$postdeps"; then
959 postdeps="${prev}${p}"
960 else
961 postdeps="${postdeps} ${prev}${p}"
966 *.$objext)
967 # This assumes that the test object file only shows up
968 # once in the compiler output.
969 if test "$p" = "conftest.$objext"; then
970 pre_test_object_deps_done=yes
971 continue
974 if test "$pre_test_object_deps_done" = no; then
975 if test -z "$predep_objects"; then
976 predep_objects="$p"
977 else
978 predep_objects="$predep_objects $p"
980 else
981 if test -z "$postdep_objects"; then
982 postdep_objects="$p"
983 else
984 postdep_objects="$postdep_objects $p"
989 *) ;; # Ignore the rest.
991 esac
992 done
994 # Clean up.
995 rm -f a.out
996 else
997 echo "ltcf-cxx.sh: error: problem compiling test program"
1000 $rm -f confest.$objext
1002 case " $postdeps " in
1003 *" -lc "*) need_lc=no ;;
1004 *) need_lc=yes ;;
1005 esac