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[official-gcc.git] / ltcf-c.sh
blob5eb05db43f5a34b18650e2c9840ba26b99e1f294
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 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 netbsd* | knetbsd*-gnu)
179 if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
180 archive_cmds='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib'
181 wlarc=
182 else
183 archive_cmds='$CC -shared -nodefaultlibs $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
184 archive_expsym_cmds='$CC -shared -nodefaultlibs $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
188 solaris* | sysv5*)
189 if $LD -v 2>&1 | egrep 'BFD 2\.8' > /dev/null; then
190 ld_shlibs=no
191 cat <<EOF 1>&2
193 *** Warning: The releases 2.8.* of the GNU linker cannot reliably
194 *** create shared libraries on Solaris systems. Therefore, libtool
195 *** is disabling shared libraries support. We urge you to upgrade GNU
196 *** binutils to release 2.9.1 or newer. Another option is to modify
197 *** your PATH or compiler configuration so that the native linker is
198 *** used, and then restart.
201 elif $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
202 archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
203 archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
204 else
205 ld_shlibs=no
209 sunos4*)
210 archive_cmds='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linker_flags'
211 wlarc=
212 hardcode_direct=yes
213 hardcode_shlibpath_var=no
216 tpf*)
217 ld_shlibs=yes
221 if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
222 archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
223 archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
224 else
225 ld_shlibs=no
228 esac
230 if test "$ld_shlibs" = yes; then
231 runpath_var=LD_RUN_PATH
232 hardcode_libdir_flag_spec='${wl}--rpath ${wl}$libdir'
233 export_dynamic_flag_spec='${wl}--export-dynamic'
234 case $host_os in
235 cygwin* | mingw*)
236 # dlltool doesn't understand --whole-archive et. al.
237 whole_archive_flag_spec=
240 # ancient GNU ld didn't support --whole-archive et. al.
241 if $LD --help 2>&1 | egrep 'no-whole-archive' > /dev/null; then
242 whole_archive_flag_spec="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
243 else
244 whole_archive_flag_spec=
247 esac
249 else
250 # PORTME fill in a description of your system's linker (not GNU ld)
251 case $host_os in
252 aix3*)
253 allow_undefined_flag=unsupported
254 always_export_symbols=yes
255 archive_expsym_cmds='$LD -o $output_objdir/$soname $libobjs $deplibs $linker_flags -bE:$export_symbols -T512 -H512 -bM:SRE~$AR $AR_FLAGS $lib $output_objdir/$soname'
256 # Note: this linker hardcodes the directories in LIBPATH if there
257 # are no directories specified by -L.
258 hardcode_minus_L=yes
259 if test "$with_gcc" = yes && test -z "$link_static_flag"; then
260 # Neither direct hardcoding nor static linking is supported with a
261 # broken collect2.
262 hardcode_direct=unsupported
266 aix4* | aix5*)
267 hardcode_direct=yes
268 hardcode_libdir_separator=':'
269 link_all_deplibs=yes
270 file_list_spec='${wl}-f,'
271 # When large executables or shared objects are built, AIX ld can
272 # have problems creating the table of contents. If linking a library
273 # or program results in "error TOC overflow" add -mminimal-toc to
274 # CXXFLAGS/CFLAGS for g++/gcc. In the cases where that is not
275 # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS.
276 if test "$with_gcc" = yes; then
277 case $host_os in aix4.[012]|aix4.[012].*)
278 # We only want to do this on AIX 4.2 and lower, the check
279 # below for broken collect2 doesn't work under 4.3+
280 collect2name=`${CC} -print-prog-name=collect2`
281 if test -f "$collect2name" && \
282 strings "$collect2name" | grep resolve_lib_name >/dev/null
283 then
284 # We have reworked collect2
285 hardcode_direct=yes
286 else
287 # We have old collect2
288 hardcode_direct=unsupported
289 # It fails to find uninstalled libraries when the uninstalled
290 # path is not listed in the libpath. Setting hardcode_minus_L
291 # to unsupported forces relinking
292 hardcode_minus_L=yes
293 hardcode_libdir_flag_spec='-L$libdir'
294 hardcode_libdir_separator=
296 esac
297 shared_flag='-shared'
298 else
299 # not using gcc
300 if test "$host_cpu" = ia64; then
301 shared_flag='${wl}-G'
302 else
303 shared_flag='${wl}-bM:SRE'
307 if test "$host_cpu" = ia64; then
308 # On IA64, the linker does run time linking by default, so we don't
309 # have to do anything special.
310 aix_use_runtimelinking=no
311 if test $with_gnu_ld = no; then
312 exp_sym_flag='-Bexport'
313 no_entry_flag=""
315 else
316 # Test if we are trying to use run time linking, or normal AIX style linking.
317 # If -brtl is somewhere in LDFLAGS, we need to do run time linking.
318 aix_use_runtimelinking=no
319 for ld_flag in $LDFLAGS; do
320 if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl" ); then
321 aix_use_runtimelinking=yes
322 break
324 done
325 exp_sym_flag='-bexport'
326 no_entry_flag='-bnoentry'
328 # -bexpall does not export symbols beginning with underscore (_)
329 always_export_symbols=yes
330 if test "$aix_use_runtimelinking" = yes; then
331 # Warning - without using the other run time loading flags (-brtl), -berok will
332 # link without error, but may produce a broken library.
333 allow_undefined_flag=' ${wl}-berok'
334 hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:/usr/lib:/lib'
335 archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs $compiler_flags ${allow_undefined_flag} '"\${wl}$no_entry_flag \${wl}$exp_sym_flag:\$export_symbols"
336 else
337 if test "$host_cpu" = ia64; then
338 if test $with_gnu_ld = no; then
339 hardcode_libdir_flag_spec='${wl}-R $libdir:/usr/lib:/lib'
340 allow_undefined_flag="-z nodefs"
341 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"
343 else
344 allow_undefined_flag=' ${wl}-berok'
345 # -bexpall does not export symbols beginning with underscore (_)
346 always_export_symbols=yes
347 # Exported symbols can be pulled into shared objects from archives
348 whole_archive_flag_spec=' '
349 build_libtool_need_lc=yes
350 hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:/usr/lib:/lib'
351 # This is similar to how AIX traditionally builds it's shared libraries.
352 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'
357 amigaos*)
358 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 $output_objdir && a2ixlibrary -32)'
359 hardcode_libdir_flag_spec='-L$libdir'
360 hardcode_minus_L=yes
361 # see comment about different semantics on the GNU ld section
362 ld_shlibs=no
365 cygwin* | mingw*)
366 # When not using gcc, we currently assume that we are using
367 # Microsoft Visual C++.
368 # hardcode_libdir_flag_spec is actually meaningless, as there is
369 # no search path for DLLs.
370 hardcode_libdir_flag_spec=' '
371 allow_undefined_flag=unsupported
372 # Tell ltmain to make .lib files, not .a files.
373 libext=lib
374 # FIXME: Setting linknames here is a bad hack.
375 archive_cmds='$CC -o $lib $libobjs $compiler_flags `echo "$deplibs" | sed -e '\''s/ -lc$//'\''` -link -dll~linknames='
376 # The linker will automatically build a .lib file if we build a DLL.
377 old_archive_from_new_cmds='true'
378 # FIXME: Should let the user specify the lib program.
379 old_archive_cmds='lib /OUT:$oldlib$oldobjs$old_deplibs'
380 fix_srcfile_path='`cygpath -w "$srcfile"`'
383 darwin* | rhapsody*)
384 case "$host_os" in
385 rhapsody* | darwin1.[[012]])
386 allow_undefined_flag='-undefined suppress'
388 *) # Darwin 1.3 on
389 if test -z ${MACOSX_DEPLOYMENT_TARGET} ; then
390 allow_undefined_flag='-flat_namespace -undefined suppress'
391 else
392 case ${MACOSX_DEPLOYMENT_TARGET} in
393 10.[[012]])
394 allow_undefined_flag='-flat_namespace -undefined suppress'
396 10.*)
397 allow_undefined_flag='-undefined dynamic_lookup'
399 esac
402 esac
403 # Disable shared library build on OS-X older than 10.3.
404 case $host_os in
405 darwin[1-6]*)
406 can_build_shared=no
408 darwin7*)
409 can_build_shared=yes
411 esac
412 output_verbose_link_cmd='echo'
413 archive_cmds='$CC -dynamiclib $allow_undefined_flag -o $lib $libobjs $deplibs$compiler_flags -install_name $rpath/$soname $verstring'
414 module_cmds='$CC $allow_undefined_flag -o $lib -bundle $libobjs $deplibs$compiler_flags'
415 # Don't fix this by using the ld -exported_symbols_list flag,
416 # it doesn't exist in older darwin ld's
417 archive_expsym_cmds='sed -e "s,#.*,," -e "s,^[ ]*,," -e "s,^\(..*\),_&," < $export_symbols > $output_objdir/${libname}-symbols.expsym~$CC -dynamiclib $allow_undefined_flag -o $lib $libobjs $deplibs$compiler_flags -install_name $rpath/$soname $verstring~nmedit -s $output_objdir/${libname}-symbols.expsym ${lib}'
418 module_expsym_cmds='sed -e "s,#.*,," -e "s,^[ ]*,," -e "s,^\(..*\),_&," < $export_symbols > $output_objdir/${libname}-symbols.expsym~$CC $allow_undefined_flag -o $lib -bundle $libobjs $deplibs$compiler_flags~nmedit -s $output_objdir/${libname}-symbols.expsym ${lib}'
419 hardcode_direct=no
420 hardcode_automatic=yes
421 hardcode_shlibpath_var=unsupported
422 whole_archive_flag_spec=''
423 link_all_deplibs=yes
426 freebsd1*)
427 ld_shlibs=no
430 # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor
431 # support. Future versions do this automatically, but an explicit c++rt0.o
432 # does not break anything, and helps significantly (at the cost of a little
433 # extra space).
434 freebsd2.2*)
435 archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o'
436 hardcode_libdir_flag_spec='-R$libdir'
437 hardcode_direct=yes
438 hardcode_shlibpath_var=no
441 # Unfortunately, older versions of FreeBSD 2 do not have this feature.
442 freebsd2*)
443 archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
444 hardcode_direct=yes
445 hardcode_minus_L=yes
446 hardcode_shlibpath_var=no
449 # FreeBSD 3 and greater uses gcc -shared to do shared libraries.
450 freebsd* | kfreebsd*-gnu)
451 archive_cmds='$CC -shared -o $lib $libobjs $deplibs $compiler_flags'
452 hardcode_libdir_flag_spec='-R$libdir'
453 hardcode_direct=yes
454 hardcode_shlibpath_var=no
457 hpux9* | hpux10* | hpux11*)
458 case "$host_cpu" in
459 ia64*)
460 hardcode_direct=no
461 hardcode_shlibpath_var=no
462 archive_cmds='$LD -b +h $soname -o $lib $libobjs $deplibs $linker_flags'
463 hardcode_libdir_flag_spec='-L$libdir' ;;
465 if test $with_gcc = yes; then
466 case "$host_os" in
467 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 $lib' ;;
468 *) archive_cmds='$CC -shared -fPIC ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags' ;;
469 esac
470 else
471 case $host_os in
472 hpux9*) archive_cmds='$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 $lib' ;;
473 *) archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags' ;;
474 esac
476 hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
477 hardcode_libdir_separator=:
478 hardcode_minus_L=yes # Not in the search PATH, but as the default
479 # location of the library.
481 esac
482 export_dynamic_flag_spec='${wl}-E'
483 hardcode_direct=yes
486 irix5* | irix6*)
487 if test "$with_gcc" = yes; then
488 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 $lib'
489 else
490 archive_cmds='$LD -shared $libobjs $deplibs $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib'
492 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
493 hardcode_libdir_separator=:
494 link_all_deplibs=yes
497 netbsd* | knetbsd*-gnu)
498 if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
499 archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' # a.out
500 else
501 archive_cmds='$LD -shared -o $lib $libobjs $deplibs $linker_flags' # ELF
503 hardcode_libdir_flag_spec='-R$libdir'
504 hardcode_direct=yes
505 hardcode_shlibpath_var=no
508 newsos6)
509 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
510 hardcode_direct=yes
511 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
512 hardcode_libdir_separator=:
513 hardcode_shlibpath_var=no
516 openbsd*)
517 archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
518 hardcode_libdir_flag_spec='-R$libdir'
519 hardcode_direct=yes
520 hardcode_shlibpath_var=no
523 os2*)
524 hardcode_libdir_flag_spec='-L$libdir'
525 hardcode_minus_L=yes
526 allow_undefined_flag=unsupported
527 archive_cmds='$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'
528 old_archive_from_new_cmds='emximp -o $output_objdir/$libname.a $output_objdir/$libname.def'
531 osf3*)
532 if test "$with_gcc" = yes; then
533 allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
534 archive_cmds='$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 $lib'
535 else
536 allow_undefined_flag=' -expect_unresolved \*'
537 archive_cmds='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib'
539 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
540 hardcode_libdir_separator=:
543 osf4* | osf5*) # as osf3* with the addition of -msym flag
544 if test "$with_gcc" = yes; then
545 allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
546 archive_cmds='$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 $lib'
547 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
548 else
549 allow_undefined_flag=' -expect_unresolved \*'
550 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'
551 archive_expsym_cmds='for i in `cat $export_symbols`; do printf "-exported_symbol " >> $lib.exp; echo "\$i" >> $lib.exp; done; echo "-hidden">> $lib.exp~
552 $LD -shared${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'
554 # cc supports -rpath directly
555 hardcode_libdir_flag_spec='-rpath $libdir'
557 hardcode_libdir_separator=:
560 sco3.2v5*)
561 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
562 hardcode_shlibpath_var=no
563 runpath_var=LD_RUN_PATH
564 hardcode_runpath_var=yes
567 solaris*)
568 no_undefined_flag=' -z defs'
569 if test "$with_gcc" = yes; then
570 archive_cmds='$CC -shared ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
571 archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
572 $CC -shared ${wl}-M ${wl}$lib.exp ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags~$rm $lib.exp'
573 else
574 archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags'
575 archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
576 $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$rm $lib.exp'
578 hardcode_libdir_flag_spec='-R$libdir'
579 hardcode_shlibpath_var=no
580 case $host_os in
581 solaris2.[0-5] | solaris2.[0-5].*) ;;
582 *) # Supported since Solaris 2.6 (maybe 2.5.1?)
583 whole_archive_flag_spec='-z allextract$convenience -z defaultextract' ;;
584 esac
585 link_all_deplibs=yes
588 sunos4*)
589 archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags'
590 hardcode_libdir_flag_spec='-L$libdir'
591 hardcode_direct=yes
592 hardcode_minus_L=yes
593 hardcode_shlibpath_var=no
596 sysv4)
597 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
598 runpath_var='LD_RUN_PATH'
599 hardcode_shlibpath_var=no
600 hardcode_direct=no #Motorola manual says yes, but my tests say they lie
603 sysv4.3*)
604 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
605 hardcode_shlibpath_var=no
606 export_dynamic_flag_spec='-Bexport'
609 sysv5*)
610 no_undefined_flag=' -z text'
611 # $CC -shared without GNU ld will not create a library from C++
612 # object files and a static libstdc++, better avoid it by now
613 archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags'
614 archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
615 $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$rm $lib.exp'
616 hardcode_libdir_flag_spec=
617 hardcode_shlibpath_var=no
618 runpath_var='LD_RUN_PATH'
621 uts4*)
622 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
623 hardcode_libdir_flag_spec='-L$libdir'
624 hardcode_shlibpath_var=no
627 dgux*)
628 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
629 hardcode_libdir_flag_spec='-L$libdir'
630 hardcode_shlibpath_var=no
633 sysv4*MP*)
634 if test -d /usr/nec; then
635 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
636 hardcode_shlibpath_var=no
637 runpath_var=LD_RUN_PATH
638 hardcode_runpath_var=yes
639 ld_shlibs=yes
643 sysv4.2uw2*)
644 archive_cmds='$LD -G -o $lib $libobjs $deplibs $linker_flags'
645 hardcode_direct=yes
646 hardcode_minus_L=no
647 hardcode_shlibpath_var=no
648 hardcode_runpath_var=yes
649 runpath_var=LD_RUN_PATH
652 sysv5uw7* | unixware7*)
653 no_undefined_flag='${wl}-z ${wl}text'
654 if test "$GCC" = yes; then
655 archive_cmds='$CC -shared ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
656 else
657 archive_cmds='$CC -G ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
659 runpath_var='LD_RUN_PATH'
660 hardcode_shlibpath_var=no
664 ld_shlibs=no
666 esac
669 ## Compiler Characteristics: PIC flags, static flags, etc
670 if test "X${ac_cv_prog_cc_pic+set}" = Xset; then
672 else
673 ac_cv_prog_cc_pic=
674 ac_cv_prog_cc_shlib=
675 ac_cv_prog_cc_wl=
676 ac_cv_prog_cc_static=
677 ac_cv_prog_cc_no_builtin=
678 ac_cv_prog_cc_can_build_shared=$can_build_shared
680 if test "$with_gcc" = yes; then
681 ac_cv_prog_cc_wl='-Wl,'
682 ac_cv_prog_cc_static='-static'
684 case $host_os in
685 aix*)
686 # All AIX code is PIC.
687 if test "$host_cpu" = ia64; then
688 # AIX 5 now supports IA64 processor
689 lt_cv_prog_cc_static='-Bstatic'
690 else
691 lt_cv_prog_cc_static='-bnso -bI:/lib/syscalls.exp'
694 amigaos*)
695 # FIXME: we need at least 68020 code to build shared libraries, but
696 # adding the `-m68020' flag to GCC prevents building anything better,
697 # like `-m68040'.
698 ac_cv_prog_cc_pic='-m68020 -resident32 -malways-restore-a4'
700 beos* | irix5* | irix6* | osf3* | osf4* | osf5*)
701 # PIC is the default for these OSes.
703 cygwin* | mingw* | os2*)
704 # This hack is so that the source file can tell whether it is being
705 # built for inclusion in a dll (and should export symbols for example).
706 ac_cv_prog_cc_pic='-DDLL_EXPORT'
708 darwin* | rhapsody*)
709 # PIC is the default on this platform
710 # Common symbols not allowed in MH_DYLIB files
711 ac_cv_prog_cc_pic='-fno-common'
713 *djgpp*)
714 # DJGPP does not support shared libraries at all
715 ac_cv_prog_cc_pic=
717 sysv4*MP*)
718 if test -d /usr/nec; then
719 ac_cv_prog_cc_pic=-Kconform_pic
723 ac_cv_prog_cc_pic='-fPIC'
725 esac
726 else
727 # PORTME Check for PIC flags for the system compiler.
728 case $host_os in
729 aix*)
730 # All AIX code is PIC.
731 ac_cv_prog_cc_static="$ac_cv_prog_cc_static ${ac_cv_prog_cc_wl}-lC"
734 hpux9* | hpux10* | hpux11*)
735 # Is there a better ac_cv_prog_cc_static that works with the bundled CC?
736 ac_cv_prog_cc_wl='-Wl,'
737 ac_cv_prog_cc_static="${ac_cv_prog_cc_wl}-a ${ac_cv_prog_cc_wl}archive"
738 ac_cv_prog_cc_pic='+Z'
741 irix5* | irix6*)
742 ac_cv_prog_cc_wl='-Wl,'
743 ac_cv_prog_cc_static='-non_shared'
744 # PIC (with -KPIC) is the default.
747 cygwin* | mingw* | os2*)
748 # This hack is so that the source file can tell whether it is being
749 # built for inclusion in a dll (and should export symbols for example).
750 ac_cv_prog_cc_pic='-DDLL_EXPORT'
753 newsos6)
754 ac_cv_prog_cc_pic='-KPIC'
755 ac_cv_prog_cc_static='-Bstatic'
758 osf3* | osf4* | osf5*)
759 # All OSF/1 code is PIC.
760 ac_cv_prog_cc_wl='-Wl,'
761 ac_cv_prog_cc_static='-non_shared'
764 sco3.2v5*)
765 ac_cv_prog_cc_pic='-Kpic'
766 ac_cv_prog_cc_static='-dn'
767 ac_cv_prog_cc_shlib='-belf'
770 solaris*)
771 ac_cv_prog_cc_pic='-KPIC'
772 ac_cv_prog_cc_static='-Bstatic'
773 ac_cv_prog_cc_wl='-Wl,'
776 sunos4*)
777 ac_cv_prog_cc_pic='-PIC'
778 ac_cv_prog_cc_static='-Bstatic'
779 ac_cv_prog_cc_wl='-Qoption ld '
782 sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
783 ac_cv_prog_cc_pic='-KPIC'
784 ac_cv_prog_cc_static='-Bstatic'
785 ac_cv_prog_cc_wl='-Wl,'
788 uts4*)
789 ac_cv_prog_cc_pic='-pic'
790 ac_cv_prog_cc_static='-Bstatic'
793 sysv4*MP*)
794 if test -d /usr/nec ;then
795 ac_cv_prog_cc_pic='-Kconform_pic'
796 ac_cv_prog_cc_static='-Bstatic'
801 ac_cv_prog_cc_can_build_shared=no
803 esac
805 case "$host_os" in
806 # Platforms which do not suport PIC and -DPIC is meaningless
807 # on them:
808 *djgpp*)
809 ac_cv_prog_cc_pic=
812 ac_cv_prog_cc_pic="$ac_cv_prog_cc_pic -DPIC"
814 esac
817 need_lc=yes
818 if test "$enable_shared" = yes && test "$with_gcc" = yes; then
819 case $archive_cmds in
820 *'~'*)
821 # FIXME: we may have to deal with multi-command sequences.
823 '$CC '*)
824 # Test whether the compiler implicitly links with -lc since on some
825 # systems, -lgcc has to come before -lc. If gcc already passes -lc
826 # to ld, don't add -lc before -lgcc.
827 echo $ac_n "checking whether -lc should be explicitly linked in... $ac_c" 1>&6
828 if eval "test \"`echo '$''{'ac_cv_archive_cmds_needs_lc'+set}'`\" = set"; then
829 echo $ac_n "(cached) $ac_c" 1>&6
830 need_lc=$ac_cv_archive_cmds_needs_lc
831 else
832 $rm conftest*
833 echo "static int dummy;" > conftest.$ac_ext
834 if { (eval echo ltcf-c.sh:need_lc: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; }; then
835 # Append any warnings to the config.log.
836 cat conftest.err 1>&5
837 soname=conftest
838 lib=conftest
839 libobjs=conftest.$objext
840 deplibs=
841 wl=$ac_cv_prog_cc_wl
842 compiler_flags=-v
843 linker_flags=-v
844 verstring=
845 output_objdir=.
846 libname=conftest
847 save_allow_undefined_flag=$allow_undefined_flag
848 allow_undefined_flag=
849 if { (eval echo ltcf-c.sh:need_lc: \"$archive_cmds\") 1>&5; (eval $archive_cmds) 2>&1 | grep " -lc " 1>&5 ; }; then
850 need_lc=no
852 allow_undefined_flag=$save_allow_undefined_flag
853 else
854 cat conftest.err 1>&5
857 $rm conftest*
858 echo "$ac_t$need_lc" 1>&6
860 esac
862 ac_cv_archive_cmds_needs_lc=$need_lc