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[binutils.git] / ltcf-cxx.sh
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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 $with_gnu_ld = no; then
253 case "$host_cpu" in
254 ia64*)
255 hardcode_libdir_flag_spec='-L$libdir'
256 hardcode_shlibpath_var=no ;;
258 hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir' ;;
259 esac
260 hardcode_direct=yes
261 hardcode_libdir_separator=:
262 export_dynamic_flag_spec='${wl}-E'
264 hardcode_minus_L=yes # Not in the search PATH, but as the default
265 # location of the library.
267 case $cc_basename in
269 # FIXME: insert proper C++ library support
270 ld_shlibs=no
272 aCC)
273 case $host_os in
274 hpux9*) archive_cmds='$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 $lib' ;;
275 *) archive_cmds='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' ;;
276 esac
277 # Commands to make compiler produce verbose output that lists
278 # what "hidden" libraries, object files and flags are used when
279 # linking a shared library.
281 # There doesn't appear to be a way to prevent this compiler from
282 # explicitly linking system object files so we need to strip them
283 # from the output so that they don't get included in the library
284 # dependencies.
285 output_verbose_link_cmd='templist=`($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'
288 if test $with_gcc = yes; then
289 if test $with_gnu_ld = no; then
290 case "$host_os" in
291 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 $lib' ;;
293 case "$host_cpu" in
294 ia64*)
295 archive_cmds='$LD -b +h $soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $linker_flags' ;;
297 archive_cmds='$CC -shared -nostdlib -fPIC ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' ;;
298 esac
300 esac
302 else
303 # FIXME: insert proper C++ library support
304 ld_shlibs=no
307 esac
309 irix5* | irix6*)
310 case $cc_basename in
312 # SGI C++
313 archive_cmds='$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 $lib'
315 # Archives containing C++ object files must be created using
316 # "CC -ar", where "CC" is the IRIX C++ compiler. This is
317 # necessary to make sure instantiated templates are included
318 # in the archive.
319 old_archive_cmds='$CC -ar -WR,-u -o $oldlib $oldobjs'
322 if test "$with_gcc" = yes; then
323 if test "$with_gnu_ld" = no; then
324 archive_cmds='$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 $lib'
325 else
326 archive_cmds='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -o $lib'
329 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
330 hardcode_libdir_separator=:
331 link_all_deplibs=yes
333 esac
335 linux*)
336 case $cc_basename in
337 KCC)
338 # Kuck and Associates, Inc. (KAI) C++ Compiler
340 # KCC will only create a shared library if the output file
341 # ends with ".so" (or ".sl" for HP-UX), so rename the library
342 # to its proper name (with version) after linking.
343 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'
344 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 $lib'
346 # Commands to make compiler produce verbose output that lists
347 # what "hidden" libraries, object files and flags are used when
348 # linking a shared library.
350 # There doesn't appear to be a way to prevent this compiler from
351 # explicitly linking system object files so we need to strip them
352 # from the output so that they don't get included in the library
353 # dependencies.
354 output_verbose_link_cmd='templist=`$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 $list'
356 hardcode_libdir_flag_spec='${wl}--rpath,$libdir'
357 export_dynamic_flag_spec='${wl}--export-dynamic'
359 # Archives containing C++ object files must be created using
360 # "CC -Bstatic", where "CC" is the KAI C++ compiler.
361 old_archive_cmds='$CC -Bstatic -o $oldlib $oldobjs'
363 cxx)
364 # Compaq C++
365 archive_cmds='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib'
366 archive_expsym_cmds='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib ${wl}-retain-symbols-file $wl$export_symbols'
368 runpath_var=LD_RUN_PATH
369 hardcode_libdir_flag_spec='-rpath $libdir'
370 hardcode_libdir_separator=:
372 # Commands to make compiler produce verbose output that lists
373 # what "hidden" libraries, object files and flags are used when
374 # linking a shared library.
376 # There doesn't appear to be a way to prevent this compiler from
377 # explicitly linking system object files so we need to strip them
378 # from the output so that they don't get included in the library
379 # dependencies.
380 output_verbose_link_cmd='templist=`$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'
382 esac
384 lynxos*)
385 # FIXME: insert proper C++ library support
386 ld_shlibs=no
388 m88k*)
389 # FIXME: insert proper C++ library support
390 ld_shlibs=no
392 mvs*)
393 case $cc_basename in
394 cxx)
395 # FIXME: insert proper C++ library support
396 ld_shlibs=no
399 # FIXME: insert proper C++ library support
400 ld_shlibs=no
402 esac
404 netbsd*)
405 # NetBSD uses g++ - do we need to do anything?
407 osf3*)
408 case $cc_basename in
409 KCC)
410 # Kuck and Associates, Inc. (KAI) C++ Compiler
412 # KCC will only create a shared library if the output file
413 # ends with ".so" (or ".sl" for HP-UX), so rename the library
414 # to its proper name (with version) after linking.
415 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 $lib'
417 hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
418 hardcode_libdir_separator=:
420 # Archives containing C++ object files must be created using
421 # "CC -Bstatic", where "CC" is the KAI C++ compiler.
422 old_archive_cmds='$CC -Bstatic -o $oldlib $oldobjs'
425 RCC)
426 # Rational C++ 2.4.1
427 # FIXME: insert proper C++ library support
428 ld_shlibs=no
430 cxx)
431 allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
432 archive_cmds='$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 $lib'
434 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
435 hardcode_libdir_separator=:
437 # Commands to make compiler produce verbose output that lists
438 # what "hidden" libraries, object files and flags are used when
439 # linking a shared library.
441 # There doesn't appear to be a way to prevent this compiler from
442 # explicitly linking system object files so we need to strip them
443 # from the output so that they don't get included in the library
444 # dependencies.
445 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 $list'
448 if test "$with_gcc" = yes && test "$with_gnu_ld" = no; then
449 allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
450 archive_cmds='$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 $lib'
452 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
453 hardcode_libdir_separator=:
455 # Commands to make compiler produce verbose output that lists
456 # what "hidden" libraries, object files and flags are used when
457 # linking a shared library.
458 output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | egrep "\-L"'
459 else
460 # FIXME: insert proper C++ library support
461 ld_shlibs=no
464 esac
466 osf4* | osf5*)
467 case $cc_basename in
468 KCC)
469 # Kuck and Associates, Inc. (KAI) C++ Compiler
471 # KCC will only create a shared library if the output file
472 # ends with ".so" (or ".sl" for HP-UX), so rename the library
473 # to its proper name (with version) after linking.
474 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 $lib'
476 hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
477 hardcode_libdir_separator=:
479 # Archives containing C++ object files must be created using
480 # the KAI C++ compiler.
481 old_archive_cmds='$CC -o $oldlib $oldobjs'
483 RCC)
484 # Rational C++ 2.4.1
485 # FIXME: insert proper C++ library support
486 ld_shlibs=no
488 cxx)
489 allow_undefined_flag=' -expect_unresolved \*'
490 archive_cmds='$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'
491 archive_expsym_cmds='for i in `cat $export_symbols`; do printf "-exported_symbol " >> $lib.exp; echo "\$i" >> $lib.exp; done~
492 echo "-hidden">> $lib.exp~
493 $CC -shared$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~
494 $rm $lib.exp'
496 hardcode_libdir_flag_spec='-rpath $libdir'
497 hardcode_libdir_separator=:
499 # Commands to make compiler produce verbose output that lists
500 # what "hidden" libraries, object files and flags are used when
501 # linking a shared library.
503 # There doesn't appear to be a way to prevent this compiler from
504 # explicitly linking system object files so we need to strip them
505 # from the output so that they don't get included in the library
506 # dependencies.
507 output_verbose_link_cmd='templist=`$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 $list'
510 if test "$with_gcc" = yes && test "$with_gnu_ld" = no; then
511 allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
512 archive_cmds='$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 $lib'
514 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
515 hardcode_libdir_separator=:
517 # Commands to make compiler produce verbose output that lists
518 # what "hidden" libraries, object files and flags are used when
519 # linking a shared library.
520 output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | egrep "\-L"'
521 else
522 # FIXME: insert proper C++ library support
523 ld_shlibs=no
526 esac
528 psos*)
529 # FIXME: insert proper C++ library support
530 ld_shlibs=no
532 sco*)
533 case $cc_basename in
535 # FIXME: insert proper C++ library support
536 ld_shlibs=no
539 # FIXME: insert proper C++ library support
540 ld_shlibs=no
542 esac
544 sunos4*)
545 case $cc_basename in
547 # Sun C++ 4.x
548 # FIXME: insert proper C++ library support
549 ld_shlibs=no
551 lcc)
552 # Lucid
553 # FIXME: insert proper C++ library support
554 ld_shlibs=no
557 # FIXME: insert proper C++ library support
558 ld_shlibs=no
560 esac
562 solaris*)
563 case $cc_basename in
565 # Sun C++ 4.2, 5.x and Centerline C++
566 no_undefined_flag=' -zdefs'
567 archive_cmds='$CC -G${allow_undefined_flag} -nolib -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
568 archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
569 $CC -G${allow_undefined_flag} -nolib ${wl}-M ${wl}$lib.exp -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$rm $lib.exp'
571 hardcode_libdir_flag_spec='-R$libdir'
572 hardcode_shlibpath_var=no
573 case $host_os in
574 solaris2.[0-5] | solaris2.[0-5].*) ;;
576 # The C++ compiler is used as linker so we must use $wl
577 # flag to pass the commands to the underlying system
578 # linker.
579 # Supported since Solaris 2.6 (maybe 2.5.1?)
580 whole_archive_flag_spec='${wl}-z ${wl}allextract$convenience ${wl}-z ${wl}defaultextract'
582 esac
583 link_all_deplibs=yes
585 # Commands to make compiler produce verbose output that lists
586 # what "hidden" libraries, object files and flags are used when
587 # linking a shared library.
589 # There doesn't appear to be a way to prevent this compiler from
590 # explicitly linking system object files so we need to strip them
591 # from the output so that they don't get included in the library
592 # dependencies.
593 output_verbose_link_cmd='templist=`$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 $list'
595 # Archives containing C++ object files must be created using
596 # "CC -xar", where "CC" is the Sun C++ compiler. This is
597 # necessary to make sure instantiated templates are included
598 # in the archive.
599 old_archive_cmds='$CC -xar -o $oldlib $oldobjs'
601 gcx)
602 # Green Hills C++ Compiler
603 archive_cmds='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib'
605 # The C++ compiler must be used to create the archive.
606 old_archive_cmds='$CC $LDFLAGS -archive -o $oldlib $oldobjs'
609 # GNU C++ compiler with Solaris linker
610 if test "$with_gcc" = yes && test "$with_gnu_ld" = no; then
611 no_undefined_flag=' ${wl}-z ${wl}defs'
612 if $CC --version | egrep -v '^2\.7' > /dev/null; then
613 archive_cmds='$CC -shared -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $linker_flags ${wl}-h $wl$soname -o $lib'
614 archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
615 $CC -shared -nostdlib ${wl}-M $wl$lib.exp -o $lib $predep_objects $libobjs $deplibs $postdep_objects $linker_flags~$rm $lib.exp'
617 # Commands to make compiler produce verbose output that lists
618 # what "hidden" libraries, object files and flags are used when
619 # linking a shared library.
620 output_verbose_link_cmd="$CC -shared $CFLAGS -v conftest.$objext 2>&1 | egrep \"\-L\""
621 else
622 # g++ 2.7 appears to require `-G' NOT `-shared' on this
623 # platform.
624 archive_cmds='$CC -G -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $linker_flags ${wl}-h $wl$soname -o $lib'
625 archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
626 $CC -G -nostdlib ${wl}-M $wl$lib.exp -o $lib $predep_objects $libobjs $deplibs $postdep_objects $linker_flags~$rm $lib.exp'
628 # Commands to make compiler produce verbose output that lists
629 # what "hidden" libraries, object files and flags are used when
630 # linking a shared library.
631 output_verbose_link_cmd="$CC -G $CFLAGS -v conftest.$objext 2>&1 | egrep \"\-L\""
634 hardcode_libdir_flag_spec='${wl}-R $wl$libdir'
637 esac
639 tandem*)
640 case $cc_basename in
641 NCC)
642 # NonStop-UX NCC 3.20
643 # FIXME: insert proper C++ library support
644 ld_shlibs=no
647 # FIXME: insert proper C++ library support
648 ld_shlibs=no
650 esac
652 unixware*)
653 # FIXME: insert proper C++ library support
654 ld_shlibs=no
656 vxworks*)
657 # FIXME: insert proper C++ library support
658 ld_shlibs=no
661 # FIXME: insert proper C++ library support
662 ld_shlibs=no
664 esac
667 ## Compiler Characteristics: PIC flags, static flags, etc
669 # We don't use cached values here since only the C compiler
670 # characteristics should be cached.
671 ac_cv_prog_cc_pic=
672 ac_cv_prog_cc_shlib=
673 ac_cv_prog_cc_wl=
674 ac_cv_prog_cc_static=
675 ac_cv_prog_cc_no_builtin=
676 ac_cv_prog_cc_can_build_shared=$can_build_shared
678 ac_cv_prog_cc_pic_works=
679 ac_cv_prog_cc_static_works=
681 if test "$with_gcc" = yes; then
682 ac_cv_prog_cc_wl='-Wl,'
683 ac_cv_prog_cc_static='-static'
685 case $host_os in
686 aix*)
687 # All AIX code is PIC.
688 if test "$host_cpu" = ia64; then
689 # AIX 5 now supports IA64 processor
690 lt_cv_prog_cc_static='-Bstatic'
691 else
692 lt_cv_prog_cc_static='-bnso -bI:/lib/syscalls.exp'
695 amigaos*)
696 # FIXME: we need at least 68020 code to build shared libraries, but
697 # adding the `-m68020' flag to GCC prevents building anything better,
698 # like `-m68040'.
699 ac_cv_prog_cc_pic='-m68020 -resident32 -malways-restore-a4'
701 beos* | irix5* | irix6* | osf3* | osf4* | osf5*)
702 # PIC is the default for these OSes.
704 cygwin* | mingw* | os2*)
705 # This hack is so that the source file can tell whether it is being
706 # built for inclusion in a dll (and should export symbols for example).
707 ac_cv_prog_cc_pic='-DDLL_EXPORT'
709 darwin* | rhapsody*)
710 # PIC is the default on this platform
711 # Common symbols not allowed in MH_DYLIB files
712 lt_cv_prog_cc_pic='-fno-common'
714 *djgpp*)
715 # DJGPP does not support shared libraries at all
716 ac_cv_prog_cc_pic=
718 sysv4*MP*)
719 if test -d /usr/nec; then
720 ac_cv_prog_cc_pic=-Kconform_pic
724 ac_cv_prog_cc_pic='-fPIC'
726 esac
727 else
728 case $host_os in
729 aix4* | aix5*)
730 # All AIX code is PIC.
731 if test "$host_cpu" = ia64; then
732 # AIX 5 now supports IA64 processor
733 lt_cv_prog_cc_static='-Bstatic'
734 else
735 lt_cv_prog_cc_static='-bnso -bI:/lib/syscalls.exp'
738 chorus*)
739 case $cc_basename in
740 cxch68)
741 # Green Hills C++ Compiler
742 # 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"
744 esac
746 dgux*)
747 case $cc_basename in
748 ec++)
749 ac_cv_prog_cc_pic='-KPIC'
751 ghcx)
752 # Green Hills C++ Compiler
753 ac_cv_prog_cc_pic='-pic'
757 esac
759 freebsd*)
760 # FreeBSD uses GNU C++
762 gnu*)
764 hpux9* | hpux10* | hpux11*)
765 case $cc_basename in
767 ac_cv_prog_cc_wl='-Wl,'
768 ac_cv_prog_cc_static="${ac_cv_prog_cc_wl}-a ${ac_cv_prog_cc_wl}archive"
769 ac_cv_prog_cc_pic='+Z'
771 aCC)
772 ac_cv_prog_cc_wl='-Wl,'
773 ac_cv_prog_cc_static="${ac_cv_prog_cc_wl}-a ${ac_cv_prog_cc_wl}archive"
774 ac_cv_prog_cc_pic='+Z'
778 esac
780 irix5* | irix6*)
781 case $cc_basename in
783 ac_cv_prog_cc_wl='-Wl,'
784 ac_cv_prog_cc_static='-non_shared'
785 ac_cv_prog_cc_pic='-KPIC'
789 esac
791 linux*)
792 case $cc_basename in
793 KCC)
794 # KAI C++ Compiler
795 ac_cv_prog_cc_wl='--backend -Wl,'
796 ac_cv_prog_cc_pic='-fPIC'
798 cxx)
799 # Compaq C++
800 # Make sure the PIC flag is empty. It appears that all Alpha
801 # Linux and Compaq Tru64 Unix objects are PIC.
802 ac_cv_prog_cc_pic=
803 ac_cv_prog_cc_static='-non_shared'
807 esac
809 lynxos*)
811 m88k*)
813 mvs*)
814 case $cc_basename in
815 cxx)
816 ac_cv_prog_cc_pic='-W c,exportall'
820 esac
822 netbsd*)
824 osf3* | osf4* | osf5*)
825 case $cc_basename in
826 KCC)
827 ac_cv_prog_cc_wl='--backend -Wl,'
829 RCC)
830 # Rational C++ 2.4.1
831 ac_cv_prog_cc_pic='-pic'
833 cxx)
834 # Digital/Compaq C++
835 ac_cv_prog_cc_wl='-Wl,'
836 # Make sure the PIC flag is empty. It appears that all Alpha
837 # Linux and Compaq Tru64 Unix objects are PIC.
838 ac_cv_prog_cc_pic=
839 ac_cv_prog_cc_static='-non_shared'
843 esac
845 psos*)
847 sco*)
848 case $cc_basename in
850 ac_cv_prog_cc_pic='-fPIC'
854 esac
856 solaris*)
857 case $cc_basename in
859 # Sun C++ 4.2, 5.x and Centerline C++
860 ac_cv_prog_cc_pic='-KPIC'
861 ac_cv_prog_cc_static='-Bstatic'
862 ac_cv_prog_cc_wl='-Qoption ld '
864 gcx)
865 # Green Hills C++ Compiler
866 ac_cv_prog_cc_pic='-PIC'
870 esac
872 sunos4*)
873 case $cc_basename in
875 # Sun C++ 4.x
876 ac_cv_prog_cc_pic='-pic'
877 ac_cv_prog_cc_static='-Bstatic'
879 lcc)
880 # Lucid
881 ac_cv_prog_cc_pic='-pic'
885 esac
887 tandem*)
888 case $cc_basename in
889 NCC)
890 # NonStop-UX NCC 3.20
891 ac_cv_prog_cc_pic='-KPIC'
895 esac
897 unixware*)
899 vxworks*)
902 ac_cv_prog_cc_can_build_shared=no
904 esac
907 case "$host_os" in
908 # Platforms which do not suport PIC and -DPIC is meaningless
909 # on them:
910 *djgpp*)
911 ac_cv_prog_cc_pic=
914 ac_cv_prog_cc_pic="$ac_cv_prog_cc_pic -DPIC"
916 esac
919 # Figure out "hidden" C++ library dependencies from verbose
920 # compiler output whening linking a shared library.
921 cat > conftest.$ac_ext <<EOF
922 class Foo
924 public:
925 Foo (void) { a = 0; }
926 private:
927 int a;
932 if (eval $ac_compile) 2>&5; then
933 # Parse the compiler output and extract the necessary
934 # objects, libraries and library flags.
936 # Sentinel used to keep track of whether or not we are before
937 # the conftest object file.
938 pre_test_object_deps_done=no
940 for p in `eval $output_verbose_link_cmd`; do
942 case $p in
944 -L* | -R* | -l*)
945 # Some compilers place space between "-{L,R}" and the path.
946 # Remove the space.
947 if test $p = "-L" \
948 || test $p = "-R"; then
949 prev=$p
950 continue
951 else
952 prev=
955 if test "$pre_test_object_deps_done" = no; then
956 case $p in
957 -L* | -R*)
958 # Internal compiler library paths should come after those
959 # provided the user. The postdeps already come after the
960 # user supplied libs so there is no need to process them.
961 if test -z "$compiler_lib_search_path"; then
962 compiler_lib_search_path="${prev}${p}"
963 else
964 compiler_lib_search_path="${compiler_lib_search_path} ${prev}${p}"
967 # The "-l" case would never come before the object being
968 # linked, so don't bother handling this case.
969 esac
970 else
971 if test -z "$postdeps"; then
972 postdeps="${prev}${p}"
973 else
974 postdeps="${postdeps} ${prev}${p}"
979 *.$objext)
980 # This assumes that the test object file only shows up
981 # once in the compiler output.
982 if test "$p" = "conftest.$objext"; then
983 pre_test_object_deps_done=yes
984 continue
987 if test "$pre_test_object_deps_done" = no; then
988 if test -z "$predep_objects"; then
989 predep_objects="$p"
990 else
991 predep_objects="$predep_objects $p"
993 else
994 if test -z "$postdep_objects"; then
995 postdep_objects="$p"
996 else
997 postdep_objects="$postdep_objects $p"
1002 *) ;; # Ignore the rest.
1004 esac
1005 done
1007 # Clean up.
1008 rm -f a.out
1009 else
1010 echo "ltcf-cxx.sh: error: problem compiling test program"
1013 $rm -f confest.$objext
1015 case " $postdeps " in
1016 *" -lc "*) need_lc=no ;;
1017 *) need_lc=yes ;;
1018 esac