merge from gcc
[binutils.git] / ltcf-c.sh
blob2b02417c46d93d5090f33f494c2da6ab58c018b7
1 #### This script is meant to be sourced by ltconfig.
3 # ltcf-c.sh - Create a C compiler specific configuration
5 # Copyright (C) 1996-2000, 2001 Free Software Foundation, Inc.
6 # Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
8 # This file is free software; you can redistribute it and/or modify it
9 # under the terms of the GNU General Public License as published by
10 # the Free Software Foundation; either version 2 of the License, or
11 # (at your option) any later version.
13 # This program is distributed in the hope that it will be useful, but
14 # WITHOUT ANY WARRANTY; without even the implied warranty of
15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 # General Public License for more details.
18 # You should have received a copy of the GNU General Public License
19 # along with this program; if not, write to the Free Software
20 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
22 # As a special exception to the GNU General Public License, if you
23 # distribute this file as part of a program that contains a
24 # configuration script generated by Autoconf, you may include it under
25 # the same distribution terms that you use for the rest of that program.
28 # Source file extension for C test sources.
29 ac_ext=c
31 # Object file extension for compiled C test sources.
32 objext=o
34 # Code to be used in simple compile tests
35 lt_simple_compile_test_code="int some_variable = 0;"
37 # Code to be used in simple link tests
38 lt_simple_link_test_code='main(){return(0);}'
40 ## Linker Characteristics
41 case $host_os in
42 cygwin* | mingw*)
43 # FIXME: the MSVC++ port hasn't been tested in a loooong time
44 # When not using gcc, we currently assume that we are using
45 # Microsoft Visual C++.
46 if test "$with_gcc" != yes; then
47 with_gnu_ld=no
51 esac
53 ld_shlibs=yes
54 if test "$with_gnu_ld" = yes; then
55 # If archive_cmds runs LD, not CC, wlarc should be empty
56 wlarc='${wl}'
58 # See if GNU ld supports shared libraries.
59 case $host_os in
60 aix3* | aix4* | aix5*)
61 # On AIX/PPC, the GNU linker is very broken
62 if test "$host_cpu" != ia64; then
63 ld_shlibs=no
64 cat <<EOF 1>&2
66 *** Warning: the GNU linker, at least up to release 2.9.1, is reported
67 *** to be unable to reliably create shared libraries on AIX.
68 *** Therefore, libtool is disabling shared libraries support. If you
69 *** really care for shared libraries, you may want to modify your PATH
70 *** so that a non-GNU linker is found, and then restart.
72 EOF
76 amigaos*)
77 archive_cmds='$rm $output_objdir/a2ixlibrary.data~$echo "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$echo "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$echo "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$echo "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)'
78 hardcode_libdir_flag_spec='-L$libdir'
79 hardcode_minus_L=yes
81 # Samuel A. Falvo II <kc5tja@dolphin.openprojects.net> reports
82 # that the semantics of dynamic libraries on AmigaOS, at least up
83 # to version 4, is to share data among multiple programs linked
84 # with the same dynamic library. Since this doesn't match the
85 # behavior of shared libraries on other platforms, we can use
86 # them.
87 ld_shlibs=no
90 beos*)
91 if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
92 allow_undefined_flag=unsupported
93 # Joseph Beckenbach <jrb3@best.com> says some releases of gcc
94 # support --undefined. This deserves some investigation. FIXME
95 archive_cmds='$CC -nostart $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
96 else
97 ld_shlibs=no
101 cygwin* | mingw*)
102 # hardcode_libdir_flag_spec is actually meaningless, as there is
103 # no search path for DLLs.
104 hardcode_libdir_flag_spec='-L$libdir'
105 allow_undefined_flag=unsupported
106 always_export_symbols=yes
108 extract_expsyms_cmds='test -f $output_objdir/impgen.c || \
109 sed -e "/^# \/\* impgen\.c starts here \*\//,/^# \/\* impgen.c ends here \*\// { s/^# //; p; }" -e d < $0 > $output_objdir/impgen.c~
110 test -f $output_objdir/impgen.exe || (cd $output_objdir && \
111 if test "x$BUILD_CC" != "x" ; then $BUILD_CC -o impgen impgen.c ; \
112 else $CC -o impgen impgen.c ; fi)~
113 $output_objdir/impgen $dir/$soroot > $output_objdir/$soname-def'
115 old_archive_from_expsyms_cmds='$DLLTOOL --as=$AS --dllname $soname --def $output_objdir/$soname-def --output-lib $output_objdir/$newlib'
117 # cygwin and mingw dlls have different entry points and sets of symbols
118 # to exclude.
119 # FIXME: what about values for MSVC?
120 dll_entry=__cygwin_dll_entry@12
121 dll_exclude_symbols=DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12~
122 case $host_os in
123 mingw*)
124 # mingw values
125 dll_entry=_DllMainCRTStartup@12
126 dll_exclude_symbols=DllMain@12,DllMainCRTStartup@12,DllEntryPoint@12~
128 esac
130 # mingw and cygwin differ, and it's simplest to just exclude the union
131 # of the two symbol sets.
132 dll_exclude_symbols=DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12,DllMainCRTStartup@12,DllEntryPoint@12
134 # recent cygwin and mingw systems supply a stub DllMain which the user
135 # can override, but on older systems we have to supply one (in ltdll.c)
136 if test "x$lt_cv_need_dllmain" = "xyes"; then
137 ltdll_obj='$output_objdir/$soname-ltdll.'"$objext "
138 ltdll_cmds='test -f $output_objdir/$soname-ltdll.c || sed -e "/^# \/\* ltdll\.c starts here \*\//,/^# \/\* ltdll.c ends here \*\// { s/^# //; p; }" -e d < $0 > $output_objdir/$soname-ltdll.c~
139 test -f $output_objdir/$soname-ltdll.$objext || (cd $output_objdir && $CC -c $soname-ltdll.c)~'
140 else
141 ltdll_obj=
142 ltdll_cmds=
145 # Extract the symbol export list from an `--export-all' def file,
146 # then regenerate the def file from the symbol export list, so that
147 # the compiled dll only exports the symbol export list.
148 # Be careful not to strip the DATA tag left be newer dlltools.
149 export_symbols_cmds="$ltdll_cmds"'
150 $DLLTOOL --export-all --exclude-symbols '$dll_exclude_symbols' --output-def $output_objdir/$soname-def '$ltdll_obj'$libobjs $convenience~
151 sed -e "1,/EXPORTS/d" -e "s/ @ [0-9]*//" -e "s/ *;.*$//" < $output_objdir/$soname-def > $export_symbols'
153 # If the export-symbols file already is a .def file (1st line
154 # is EXPORTS), use it as is.
155 # If DATA tags from a recent dlltool are present, honour them!
156 archive_expsym_cmds='if test "x`head -1 $export_symbols`" = xEXPORTS; then
157 cp $export_symbols $output_objdir/$soname-def;
158 else
159 echo EXPORTS > $output_objdir/$soname-def;
160 _lt_hint=1;
161 cat $export_symbols | while read symbol; do
162 set dummy \$symbol;
163 case \[$]# in
164 2) echo " \[$]2 @ \$_lt_hint ; " >> $output_objdir/$soname-def;;
165 *) echo " \[$]2 @ \$_lt_hint \[$]3 ; " >> $output_objdir/$soname-def;;
166 esac;
167 _lt_hint=`expr 1 + \$_lt_hint`;
168 done;
170 '"$ltdll_cmds"'
171 $CC -Wl,--base-file,$output_objdir/$soname-base '$lt_cv_cc_dll_switch' -Wl,-e,'$dll_entry' -o $output_objdir/$soname '$ltdll_obj'$libobjs $deplibs $compiler_flags~
172 $DLLTOOL --as=$AS --dllname $soname --exclude-symbols '$dll_exclude_symbols' --def $output_objdir/$soname-def --base-file $output_objdir/$soname-base --output-exp $output_objdir/$soname-exp~
173 $CC -Wl,--base-file,$output_objdir/$soname-base $output_objdir/$soname-exp '$lt_cv_cc_dll_switch' -Wl,-e,'$dll_entry' -o $output_objdir/$soname '$ltdll_obj'$libobjs $deplibs $compiler_flags~
174 $DLLTOOL --as=$AS --dllname $soname --exclude-symbols '$dll_exclude_symbols' --def $output_objdir/$soname-def --base-file $output_objdir/$soname-base --output-exp $output_objdir/$soname-exp --output-lib $output_objdir/$libname.dll.a~
175 $CC $output_objdir/$soname-exp '$lt_cv_cc_dll_switch' -Wl,-e,'$dll_entry' -o $output_objdir/$soname '$ltdll_obj'$libobjs $deplibs $compiler_flags'
178 darwin* | rhapsody*)
179 allow_undefined_flag='-undefined suppress'
180 archive_cmds='$CC `test .$module = .yes && echo -bundle || echo -dynamiclib` $allow_undefined_flag -o $lib $libobjs $deplibs $linkopts -install_name $rpath/$soname `test -n "$verstring" -a x$verstring != x0.0 && echo $verstring`'
181 # We need to add '_' to the symbols in $export_symbols first
182 #archive_expsym_cmds="$archive_cmds"' && strip -s $export_symbols'
183 hardcode_direct=yes
184 hardcode_shlibpath_var=no
185 whole_archive_flag_spec='-all_load $convenience'
188 netbsd* | knetbsd*-gnu)
189 if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
190 archive_cmds='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib'
191 wlarc=
192 else
193 archive_cmds='$CC -shared -nodefaultlibs $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
194 archive_expsym_cmds='$CC -shared -nodefaultlibs $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
198 solaris* | sysv5*)
199 if $LD -v 2>&1 | egrep 'BFD 2\.8' > /dev/null; then
200 ld_shlibs=no
201 cat <<EOF 1>&2
203 *** Warning: The releases 2.8.* of the GNU linker cannot reliably
204 *** create shared libraries on Solaris systems. Therefore, libtool
205 *** is disabling shared libraries support. We urge you to upgrade GNU
206 *** binutils to release 2.9.1 or newer. Another option is to modify
207 *** your PATH or compiler configuration so that the native linker is
208 *** used, and then restart.
211 elif $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
212 archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
213 archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
214 else
215 ld_shlibs=no
219 sunos4*)
220 archive_cmds='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linker_flags'
221 wlarc=
222 hardcode_direct=yes
223 hardcode_shlibpath_var=no
226 tpf*)
227 ld_shlibs=yes
231 if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
232 archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
233 archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
234 else
235 ld_shlibs=no
238 esac
240 if test "$ld_shlibs" = yes; then
241 runpath_var=LD_RUN_PATH
242 hardcode_libdir_flag_spec='${wl}--rpath ${wl}$libdir'
243 export_dynamic_flag_spec='${wl}--export-dynamic'
244 case $host_os in
245 cygwin* | mingw*)
246 # dlltool doesn't understand --whole-archive et. al.
247 whole_archive_flag_spec=
250 # ancient GNU ld didn't support --whole-archive et. al.
251 if $LD --help 2>&1 | egrep 'no-whole-archive' > /dev/null; then
252 whole_archive_flag_spec="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
253 else
254 whole_archive_flag_spec=
257 esac
259 else
260 # PORTME fill in a description of your system's linker (not GNU ld)
261 case $host_os in
262 aix3*)
263 allow_undefined_flag=unsupported
264 always_export_symbols=yes
265 archive_expsym_cmds='$LD -o $output_objdir/$soname $libobjs $deplibs $linker_flags -bE:$export_symbols -T512 -H512 -bM:SRE~$AR $AR_FLAGS $lib $output_objdir/$soname'
266 # Note: this linker hardcodes the directories in LIBPATH if there
267 # are no directories specified by -L.
268 hardcode_minus_L=yes
269 if test "$with_gcc" = yes && test -z "$link_static_flag"; then
270 # Neither direct hardcoding nor static linking is supported with a
271 # broken collect2.
272 hardcode_direct=unsupported
276 aix4* | aix5*)
277 hardcode_direct=yes
278 hardcode_libdir_separator=':'
279 link_all_deplibs=yes
280 # When large executables or shared objects are built, AIX ld can
281 # have problems creating the table of contents. If linking a library
282 # or program results in "error TOC overflow" add -mminimal-toc to
283 # CXXFLAGS/CFLAGS for g++/gcc. In the cases where that is not
284 # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS.
285 if test "$with_gcc" = yes; then
286 case $host_os in aix4.[012]|aix4.[012].*)
287 # We only want to do this on AIX 4.2 and lower, the check
288 # below for broken collect2 doesn't work under 4.3+
289 collect2name=`${CC} -print-prog-name=collect2`
290 if test -f "$collect2name" && \
291 strings "$collect2name" | grep resolve_lib_name >/dev/null
292 then
293 # We have reworked collect2
294 hardcode_direct=yes
295 else
296 # We have old collect2
297 hardcode_direct=unsupported
298 # It fails to find uninstalled libraries when the uninstalled
299 # path is not listed in the libpath. Setting hardcode_minus_L
300 # to unsupported forces relinking
301 hardcode_minus_L=yes
302 hardcode_libdir_flag_spec='-L$libdir'
303 hardcode_libdir_separator=
305 esac
306 shared_flag='-shared'
307 else
308 # not using gcc
309 if test "$host_cpu" = ia64; then
310 shared_flag='${wl}-G'
311 else
312 shared_flag='${wl}-bM:SRE'
316 if test "$host_cpu" = ia64; then
317 # On IA64, the linker does run time linking by default, so we don't
318 # have to do anything special.
319 aix_use_runtimelinking=no
320 if test $with_gnu_ld = no; then
321 exp_sym_flag='-Bexport'
322 no_entry_flag=""
324 else
325 # Test if we are trying to use run time linking, or normal AIX style linking.
326 # If -brtl is somewhere in LDFLAGS, we need to do run time linking.
327 aix_use_runtimelinking=no
328 for ld_flag in $LDFLAGS; do
329 if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl" ); then
330 aix_use_runtimelinking=yes
331 break
333 done
334 exp_sym_flag='-bexport'
335 no_entry_flag='-bnoentry'
337 # -bexpall does not export symbols beginning with underscore (_)
338 always_export_symbols=yes
339 if test "$aix_use_runtimelinking" = yes; then
340 # Warning - without using the other run time loading flags (-brtl), -berok will
341 # link without error, but may produce a broken library.
342 allow_undefined_flag=' ${wl}-berok'
343 hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:/usr/lib:/lib'
344 archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs $compiler_flags ${allow_undefined_flag} '"\${wl}$no_entry_flag \${wl}$exp_sym_flag:\$export_symbols"
345 else
346 if test "$host_cpu" = ia64; then
347 if test $with_gnu_ld = no; then
348 hardcode_libdir_flag_spec='${wl}-R $libdir:/usr/lib:/lib'
349 allow_undefined_flag="-z nodefs"
350 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"
352 else
353 allow_undefined_flag=' ${wl}-berok'
354 # -bexpall does not export symbols beginning with underscore (_)
355 always_export_symbols=yes
356 # Exported symbols can be pulled into shared objects from archives
357 whole_archive_flag_spec=' '
358 build_libtool_need_lc=yes
359 hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:/usr/lib:/lib'
360 # This is similar to how AIX traditionally builds it's shared libraries.
361 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'
366 amigaos*)
367 archive_cmds='$rm $output_objdir/a2ixlibrary.data~$echo "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$echo "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$echo "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$echo "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)'
368 hardcode_libdir_flag_spec='-L$libdir'
369 hardcode_minus_L=yes
370 # see comment about different semantics on the GNU ld section
371 ld_shlibs=no
374 cygwin* | mingw*)
375 # When not using gcc, we currently assume that we are using
376 # Microsoft Visual C++.
377 # hardcode_libdir_flag_spec is actually meaningless, as there is
378 # no search path for DLLs.
379 hardcode_libdir_flag_spec=' '
380 allow_undefined_flag=unsupported
381 # Tell ltmain to make .lib files, not .a files.
382 libext=lib
383 # FIXME: Setting linknames here is a bad hack.
384 archive_cmds='$CC -o $lib $libobjs $compiler_flags `echo "$deplibs" | sed -e '\''s/ -lc$//'\''` -link -dll~linknames='
385 # The linker will automatically build a .lib file if we build a DLL.
386 old_archive_from_new_cmds='true'
387 # FIXME: Should let the user specify the lib program.
388 old_archive_cmds='lib /OUT:$oldlib$oldobjs$old_deplibs'
389 fix_srcfile_path='`cygpath -w "$srcfile"`'
392 freebsd1*)
393 ld_shlibs=no
396 # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor
397 # support. Future versions do this automatically, but an explicit c++rt0.o
398 # does not break anything, and helps significantly (at the cost of a little
399 # extra space).
400 freebsd2.2*)
401 archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o'
402 hardcode_libdir_flag_spec='-R$libdir'
403 hardcode_direct=yes
404 hardcode_shlibpath_var=no
407 # Unfortunately, older versions of FreeBSD 2 do not have this feature.
408 freebsd2*)
409 archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
410 hardcode_direct=yes
411 hardcode_minus_L=yes
412 hardcode_shlibpath_var=no
415 # FreeBSD 3 and greater uses gcc -shared to do shared libraries.
416 freebsd* | kfreebsd*-gnu)
417 archive_cmds='$CC -shared -o $lib $libobjs $deplibs $compiler_flags'
418 hardcode_libdir_flag_spec='-R$libdir'
419 hardcode_direct=yes
420 hardcode_shlibpath_var=no
423 hpux9* | hpux10* | hpux11*)
424 case "$host_cpu" in
425 ia64*)
426 hardcode_direct=no
427 hardcode_shlibpath_var=no
428 archive_cmds='$LD -b +h $soname -o $lib $libobjs $deplibs $linker_flags'
429 hardcode_libdir_flag_spec='-L$libdir' ;;
431 if test $with_gcc = yes; then
432 case "$host_os" in
433 hpux9*) archive_cmds='$rm $output_objdir/$soname~$CC -shared -fPIC ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $libobjs $deplibs $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib' ;;
434 *) archive_cmds='$CC -shared -fPIC ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags' ;;
435 esac
436 else
437 case $host_os in
438 hpux9*) archive_cmds='$rm $output_objdir/$soname~$LD -b +b $install_libdir -o $output_objdir/$soname $libobjs $deplibs $linker_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib' ;;
439 *) archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags' ;;
440 esac
442 hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
443 hardcode_libdir_separator=:
444 hardcode_minus_L=yes # Not in the search PATH, but as the default
445 # location of the library.
447 esac
448 export_dynamic_flag_spec='${wl}-E'
449 hardcode_direct=yes
452 irix5* | irix6*)
453 if test "$with_gcc" = yes; then
454 archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${objdir}/so_locations -o $lib'
455 else
456 archive_cmds='$LD -shared $libobjs $deplibs $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib'
458 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
459 hardcode_libdir_separator=:
460 link_all_deplibs=yes
463 netbsd* | knetbsd*-gnu)
464 if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
465 archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' # a.out
466 else
467 archive_cmds='$LD -shared -o $lib $libobjs $deplibs $linker_flags' # ELF
469 hardcode_libdir_flag_spec='-R$libdir'
470 hardcode_direct=yes
471 hardcode_shlibpath_var=no
474 newsos6)
475 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
476 hardcode_direct=yes
477 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
478 hardcode_libdir_separator=:
479 hardcode_shlibpath_var=no
482 openbsd*)
483 archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
484 hardcode_libdir_flag_spec='-R$libdir'
485 hardcode_direct=yes
486 hardcode_shlibpath_var=no
489 os2*)
490 hardcode_libdir_flag_spec='-L$libdir'
491 hardcode_minus_L=yes
492 allow_undefined_flag=unsupported
493 archive_cmds='$echo "LIBRARY $libname INITINSTANCE" > $output_objdir/$libname.def~$echo "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~$echo DATA >> $output_objdir/$libname.def~$echo " SINGLE NONSHARED" >> $output_objdir/$libname.def~$echo EXPORTS >> $output_objdir/$libname.def~emxexp $libobjs >> $output_objdir/$libname.def~$CC -Zdll -Zcrtdll -o $lib $libobjs $deplibs $compiler_flags $output_objdir/$libname.def'
494 old_archive_from_new_cmds='emximp -o $output_objdir/$libname.a $output_objdir/$libname.def'
497 osf3*)
498 if test "$with_gcc" = yes; then
499 allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
500 archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${objdir}/so_locations -o $lib'
501 else
502 allow_undefined_flag=' -expect_unresolved \*'
503 archive_cmds='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib'
505 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
506 hardcode_libdir_separator=:
509 osf4* | osf5*) # as osf3* with the addition of -msym flag
510 if test "$with_gcc" = yes; then
511 allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
512 archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $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 $lib'
513 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
514 else
515 allow_undefined_flag=' -expect_unresolved \*'
516 archive_cmds='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linker_flags -msym -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib'
517 archive_expsym_cmds='for i in `cat $export_symbols`; do printf "-exported_symbol " >> $lib.exp; echo "\$i" >> $lib.exp; done; echo "-hidden">> $lib.exp~
518 $LD -shared${allow_undefined_flag} -input $lib.exp $linker_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib~$rm $lib.exp'
520 # cc supports -rpath directly
521 hardcode_libdir_flag_spec='-rpath $libdir'
523 hardcode_libdir_separator=:
526 sco3.2v5*)
527 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
528 hardcode_shlibpath_var=no
529 runpath_var=LD_RUN_PATH
530 hardcode_runpath_var=yes
533 solaris*)
534 no_undefined_flag=' -z defs'
535 if test "$with_gcc" = yes; then
536 archive_cmds='$CC -shared ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
537 archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
538 $CC -shared ${wl}-M ${wl}$lib.exp ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags~$rm $lib.exp'
539 else
540 archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags'
541 archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
542 $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$rm $lib.exp'
544 hardcode_libdir_flag_spec='-R$libdir'
545 hardcode_shlibpath_var=no
546 case $host_os in
547 solaris2.[0-5] | solaris2.[0-5].*) ;;
548 *) # Supported since Solaris 2.6 (maybe 2.5.1?)
549 whole_archive_flag_spec='-z allextract$convenience -z defaultextract' ;;
550 esac
551 link_all_deplibs=yes
554 sunos4*)
555 archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags'
556 hardcode_libdir_flag_spec='-L$libdir'
557 hardcode_direct=yes
558 hardcode_minus_L=yes
559 hardcode_shlibpath_var=no
562 sysv4)
563 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
564 runpath_var='LD_RUN_PATH'
565 hardcode_shlibpath_var=no
566 hardcode_direct=no #Motorola manual says yes, but my tests say they lie
569 sysv4.3*)
570 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
571 hardcode_shlibpath_var=no
572 export_dynamic_flag_spec='-Bexport'
575 sysv5*)
576 no_undefined_flag=' -z text'
577 # $CC -shared without GNU ld will not create a library from C++
578 # object files and a static libstdc++, better avoid it by now
579 archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags'
580 archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
581 $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$rm $lib.exp'
582 hardcode_libdir_flag_spec=
583 hardcode_shlibpath_var=no
584 runpath_var='LD_RUN_PATH'
587 uts4*)
588 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
589 hardcode_libdir_flag_spec='-L$libdir'
590 hardcode_shlibpath_var=no
593 dgux*)
594 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
595 hardcode_libdir_flag_spec='-L$libdir'
596 hardcode_shlibpath_var=no
599 sysv4*MP*)
600 if test -d /usr/nec; then
601 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
602 hardcode_shlibpath_var=no
603 runpath_var=LD_RUN_PATH
604 hardcode_runpath_var=yes
605 ld_shlibs=yes
609 sysv4.2uw2*)
610 archive_cmds='$LD -G -o $lib $libobjs $deplibs $linker_flags'
611 hardcode_direct=yes
612 hardcode_minus_L=no
613 hardcode_shlibpath_var=no
614 hardcode_runpath_var=yes
615 runpath_var=LD_RUN_PATH
618 sysv5uw7* | unixware7*)
619 no_undefined_flag='${wl}-z ${wl}text'
620 if test "$GCC" = yes; then
621 archive_cmds='$CC -shared ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
622 else
623 archive_cmds='$CC -G ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
625 runpath_var='LD_RUN_PATH'
626 hardcode_shlibpath_var=no
630 ld_shlibs=no
632 esac
635 ## Compiler Characteristics: PIC flags, static flags, etc
636 if test "X${ac_cv_prog_cc_pic+set}" = Xset; then
638 else
639 ac_cv_prog_cc_pic=
640 ac_cv_prog_cc_shlib=
641 ac_cv_prog_cc_wl=
642 ac_cv_prog_cc_static=
643 ac_cv_prog_cc_no_builtin=
644 ac_cv_prog_cc_can_build_shared=$can_build_shared
646 if test "$with_gcc" = yes; then
647 ac_cv_prog_cc_wl='-Wl,'
648 ac_cv_prog_cc_static='-static'
650 case $host_os in
651 aix*)
652 # All AIX code is PIC.
653 if test "$host_cpu" = ia64; then
654 # AIX 5 now supports IA64 processor
655 lt_cv_prog_cc_static='-Bstatic'
656 else
657 lt_cv_prog_cc_static='-bnso -bI:/lib/syscalls.exp'
660 amigaos*)
661 # FIXME: we need at least 68020 code to build shared libraries, but
662 # adding the `-m68020' flag to GCC prevents building anything better,
663 # like `-m68040'.
664 ac_cv_prog_cc_pic='-m68020 -resident32 -malways-restore-a4'
666 beos* | irix5* | irix6* | osf3* | osf4* | osf5*)
667 # PIC is the default for these OSes.
669 cygwin* | mingw* | os2*)
670 # This hack is so that the source file can tell whether it is being
671 # built for inclusion in a dll (and should export symbols for example).
672 ac_cv_prog_cc_pic='-DDLL_EXPORT'
674 darwin* | rhapsody*)
675 # PIC is the default on this platform
676 # Common symbols not allowed in MH_DYLIB files
677 lt_cv_prog_cc_pic='-fno-common'
679 *djgpp*)
680 # DJGPP does not support shared libraries at all
681 ac_cv_prog_cc_pic=
683 sysv4*MP*)
684 if test -d /usr/nec; then
685 ac_cv_prog_cc_pic=-Kconform_pic
689 ac_cv_prog_cc_pic='-fPIC'
691 esac
692 else
693 # PORTME Check for PIC flags for the system compiler.
694 case $host_os in
695 aix*)
696 # All AIX code is PIC.
697 ac_cv_prog_cc_static="$ac_cv_prog_cc_static ${ac_cv_prog_cc_wl}-lC"
700 hpux9* | hpux10* | hpux11*)
701 # Is there a better ac_cv_prog_cc_static that works with the bundled CC?
702 ac_cv_prog_cc_wl='-Wl,'
703 ac_cv_prog_cc_static="${ac_cv_prog_cc_wl}-a ${ac_cv_prog_cc_wl}archive"
704 ac_cv_prog_cc_pic='+Z'
707 irix5* | irix6*)
708 ac_cv_prog_cc_wl='-Wl,'
709 ac_cv_prog_cc_static='-non_shared'
710 # PIC (with -KPIC) is the default.
713 cygwin* | mingw* | os2*)
714 # This hack is so that the source file can tell whether it is being
715 # built for inclusion in a dll (and should export symbols for example).
716 ac_cv_prog_cc_pic='-DDLL_EXPORT'
719 newsos6)
720 ac_cv_prog_cc_pic='-KPIC'
721 ac_cv_prog_cc_static='-Bstatic'
724 osf3* | osf4* | osf5*)
725 # All OSF/1 code is PIC.
726 ac_cv_prog_cc_wl='-Wl,'
727 ac_cv_prog_cc_static='-non_shared'
730 sco3.2v5*)
731 ac_cv_prog_cc_pic='-Kpic'
732 ac_cv_prog_cc_static='-dn'
733 ac_cv_prog_cc_shlib='-belf'
736 solaris*)
737 ac_cv_prog_cc_pic='-KPIC'
738 ac_cv_prog_cc_static='-Bstatic'
739 ac_cv_prog_cc_wl='-Wl,'
742 sunos4*)
743 ac_cv_prog_cc_pic='-PIC'
744 ac_cv_prog_cc_static='-Bstatic'
745 ac_cv_prog_cc_wl='-Qoption ld '
748 sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
749 ac_cv_prog_cc_pic='-KPIC'
750 ac_cv_prog_cc_static='-Bstatic'
751 ac_cv_prog_cc_wl='-Wl,'
754 uts4*)
755 ac_cv_prog_cc_pic='-pic'
756 ac_cv_prog_cc_static='-Bstatic'
759 sysv4*MP*)
760 if test -d /usr/nec ;then
761 ac_cv_prog_cc_pic='-Kconform_pic'
762 ac_cv_prog_cc_static='-Bstatic'
767 ac_cv_prog_cc_can_build_shared=no
769 esac
771 case "$host_os" in
772 # Platforms which do not suport PIC and -DPIC is meaningless
773 # on them:
774 *djgpp*)
775 ac_cv_prog_cc_pic=
778 ac_cv_prog_cc_pic="$ac_cv_prog_cc_pic -DPIC"
780 esac
783 need_lc=yes
784 if test "$enable_shared" = yes && test "$with_gcc" = yes; then
785 case $archive_cmds in
786 *'~'*)
787 # FIXME: we may have to deal with multi-command sequences.
789 '$CC '*)
790 # Test whether the compiler implicitly links with -lc since on some
791 # systems, -lgcc has to come before -lc. If gcc already passes -lc
792 # to ld, don't add -lc before -lgcc.
793 echo $ac_n "checking whether -lc should be explicitly linked in... $ac_c" 1>&6
794 if eval "test \"`echo '$''{'ac_cv_archive_cmds_needs_lc'+set}'`\" = set"; then
795 echo $ac_n "(cached) $ac_c" 1>&6
796 need_lc=$ac_cv_archive_cmds_needs_lc
797 else
798 $rm conftest*
799 echo "static int dummy;" > conftest.$ac_ext
800 if { (eval echo ltcf-c.sh:need_lc: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; }; then
801 # Append any warnings to the config.log.
802 cat conftest.err 1>&5
803 soname=conftest
804 lib=conftest
805 libobjs=conftest.$objext
806 deplibs=
807 wl=$ac_cv_prog_cc_wl
808 compiler_flags=-v
809 linker_flags=-v
810 verstring=
811 output_objdir=.
812 libname=conftest
813 save_allow_undefined_flag=$allow_undefined_flag
814 allow_undefined_flag=
815 if { (eval echo ltcf-c.sh:need_lc: \"$archive_cmds\") 1>&5; (eval $archive_cmds) 2>&1 | grep " -lc " 1>&5 ; }; then
816 need_lc=no
818 allow_undefined_flag=$save_allow_undefined_flag
819 else
820 cat conftest.err 1>&5
823 $rm conftest*
824 echo "$ac_t$need_lc" 1>&6
826 esac
828 ac_cv_archive_cmds_needs_lc=$need_lc