source: trunk/binutils/ltcf-c.sh@ 3274

Last change on this file since 3274 was 2670, checked in by bird, 20 years ago

synced with current libc-0.6(.1) changes.
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1#### This script is meant to be sourced by ltconfig.
2
3# ltcf-c.sh - Create a C compiler specific configuration
4#
5# Copyright (C) 1996-2000, 2001 Free Software Foundation, Inc.
6# Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
7#
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.
12#
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.
17#
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.
21#
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.
26
27
28# Source file extension for C test sources.
29ac_ext=c
30
31# Object file extension for compiled C test sources.
32objext=o
33
34# Code to be used in simple compile tests
35lt_simple_compile_test_code="int some_variable = 0;"
36
37# Code to be used in simple link tests
38lt_simple_link_test_code='main(){return(0);}'
39
40## Linker Characteristics
41case $host_os in
42cygwin* | mingw*)
43 # FIXME: the MSVC++ port hasn't been tested in a loooong time
44 # When not using gcc, we currently assume that we are using
45 # Microsoft Visual C++.
46 if test "$with_gcc" != yes; then
47 with_gnu_ld=no
48 fi
49 ;;
50
51esac
52
53ld_shlibs=yes
54if test "$with_gnu_ld" = yes; then
55 # If archive_cmds runs LD, not CC, wlarc should be empty
56 wlarc='${wl}'
57
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
65
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.
71
72EOF
73 fi
74 ;;
75
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
80
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
88 ;;
89
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 $lib'
96 else
97 ld_shlibs=no
98 fi
99 ;;
100
101 cygwin* | mingw*)
102 # hardcode_libdir_flag_spec is actually meaningless, as there is
103 # no search path for DLLs.
104 hardcode_libdir_flag_spec='-L$libdir'
105 allow_undefined_flag=unsupported
106 always_export_symbols=yes
107
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'
114
115 old_archive_from_expsyms_cmds='$DLLTOOL --as=$AS --dllname $soname --def $output_objdir/$soname-def --output-lib $output_objdir/$newlib'
116
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 $host_os in
123 mingw*)
124 # mingw values
125 dll_entry=_DllMainCRTStartup@12
126 dll_exclude_symbols=DllMain@12,DllMainCRTStartup@12,DllEntryPoint@12~
127 ;;
128 esac
129
130 # mingw and cygwin differ, and it's simplest to just exclude the union
131 # of the two symbol sets.
132 dll_exclude_symbols=DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12,DllMainCRTStartup@12,DllEntryPoint@12
133
134 # recent cygwin and mingw systems supply a stub DllMain which the user
135 # can override, but on older systems we have to supply one (in ltdll.c)
136 if test "x$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 $soname-ltdll.c)~'
140 else
141 ltdll_obj=
142 ltdll_cmds=
143 fi
144
145 # Extract the symbol export list from an `--export-all' def file,
146 # then regenerate the def file from the symbol export list, so that
147 # the compiled dll only exports the symbol export list.
148 # Be careful not to strip the DATA tag left be newer dlltools.
149 export_symbols_cmds="$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'
152
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;
169 fi~
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 $compiler_flags'
176 ;;
177
178 darwin* | rhapsody*)
179 allow_undefined_flag='-undefined suppress'
180 archive_cmds='$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'
186 ;;
187
188 netbsd*)
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'
195 fi
196 ;;
197
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
202
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.
209
210EOF
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 $lib'
214 else
215 ld_shlibs=no
216 fi
217 ;;
218
219 sunos4*)
220 archive_cmds='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linker_flags'
221 wlarc=
222 hardcode_direct=yes
223 hardcode_shlibpath_var=no
224 ;;
225
226 *)
227 if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
228 archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
229 archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
230 else
231 ld_shlibs=no
232 fi
233 ;;
234 esac
235
236 if test "$ld_shlibs" = yes; then
237 runpath_var=LD_RUN_PATH
238 hardcode_libdir_flag_spec='${wl}--rpath ${wl}$libdir'
239 export_dynamic_flag_spec='${wl}--export-dynamic'
240 case $host_os in
241 cygwin* | mingw*)
242 # dlltool doesn't understand --whole-archive et. al.
243 whole_archive_flag_spec=
244 ;;
245 *)
246 # ancient GNU ld didn't support --whole-archive et. al.
247 if $LD --help 2>&1 | egrep 'no-whole-archive' > /dev/null; then
248 whole_archive_flag_spec="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
249 else
250 whole_archive_flag_spec=
251 fi
252 ;;
253 esac
254 fi
255else
256 # PORTME fill in a description of your system's linker (not GNU ld)
257 case $host_os in
258 aix3*)
259 allow_undefined_flag=unsupported
260 always_export_symbols=yes
261 archive_expsym_cmds='$LD -o $output_objdir/$soname $libobjs $deplibs $linker_flags -bE:$export_symbols -T512 -H512 -bM:SRE~$AR $AR_FLAGS $lib $output_objdir/$soname'
262 # Note: this linker hardcodes the directories in LIBPATH if there
263 # are no directories specified by -L.
264 hardcode_minus_L=yes
265 if test "$with_gcc" = yes && test -z "$link_static_flag"; then
266 # Neither direct hardcoding nor static linking is supported with a
267 # broken collect2.
268 hardcode_direct=unsupported
269 fi
270 ;;
271
272 aix4* | aix5*)
273 hardcode_direct=yes
274 hardcode_libdir_separator=':'
275 link_all_deplibs=yes
276 # When large executables or shared objects are built, AIX ld can
277 # have problems creating the table of contents. If linking a library
278 # or program results in "error TOC overflow" add -mminimal-toc to
279 # CXXFLAGS/CFLAGS for g++/gcc. In the cases where that is not
280 # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS.
281 if test "$with_gcc" = yes; then
282 case $host_os in aix4.[012]|aix4.[012].*)
283 # We only want to do this on AIX 4.2 and lower, the check
284 # below for broken collect2 doesn't work under 4.3+
285 collect2name=`${CC} -print-prog-name=collect2`
286 if test -f "$collect2name" && \
287 strings "$collect2name" | grep resolve_lib_name >/dev/null
288 then
289 # We have reworked collect2
290 hardcode_direct=yes
291 else
292 # We have old collect2
293 hardcode_direct=unsupported
294 # It fails to find uninstalled libraries when the uninstalled
295 # path is not listed in the libpath. Setting hardcode_minus_L
296 # to unsupported forces relinking
297 hardcode_minus_L=yes
298 hardcode_libdir_flag_spec='-L$libdir'
299 hardcode_libdir_separator=
300 fi
301 esac
302 shared_flag='-shared'
303 else
304 # not using gcc
305 if test "$host_cpu" = ia64; then
306 shared_flag='${wl}-G'
307 else
308 shared_flag='${wl}-bM:SRE'
309 fi
310 fi
311
312 if test "$host_cpu" = ia64; then
313 # On IA64, the linker does run time linking by default, so we don't
314 # have to do anything special.
315 aix_use_runtimelinking=no
316 if test $with_gnu_ld = no; then
317 exp_sym_flag='-Bexport'
318 no_entry_flag=""
319 fi
320 else
321 # Test if we are trying to use run time linking, or normal AIX style linking.
322 # If -brtl is somewhere in LDFLAGS, we need to do run time linking.
323 aix_use_runtimelinking=no
324 for ld_flag in $LDFLAGS; do
325 if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl" ); then
326 aix_use_runtimelinking=yes
327 break
328 fi
329 done
330 exp_sym_flag='-bexport'
331 no_entry_flag='-bnoentry'
332 fi
333 # -bexpall does not export symbols beginning with underscore (_)
334 always_export_symbols=yes
335 if test "$aix_use_runtimelinking" = yes; then
336 # Warning - without using the other run time loading flags (-brtl), -berok will
337 # link without error, but may produce a broken library.
338 allow_undefined_flag=' ${wl}-berok'
339 hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:/usr/lib:/lib'
340 archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs $compiler_flags ${allow_undefined_flag} '"\${wl}$no_entry_flag \${wl}$exp_sym_flag:\$export_symbols"
341 else
342 if test "$host_cpu" = ia64; then
343 if test $with_gnu_ld = no; then
344 hardcode_libdir_flag_spec='${wl}-R $libdir:/usr/lib:/lib'
345 allow_undefined_flag="-z nodefs"
346 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"
347 fi
348 else
349 allow_undefined_flag=' ${wl}-berok'
350 # -bexpall does not export symbols beginning with underscore (_)
351 always_export_symbols=yes
352 # Exported symbols can be pulled into shared objects from archives
353 whole_archive_flag_spec=' '
354 build_libtool_need_lc=yes
355 hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:/usr/lib:/lib'
356 # This is similar to how AIX traditionally builds it's shared libraries.
357 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'
358 fi
359 fi
360 ;;
361
362 amigaos*)
363 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 $output_objdir && a2ixlibrary -32)'
364 hardcode_libdir_flag_spec='-L$libdir'
365 hardcode_minus_L=yes
366 # see comment about different semantics on the GNU ld section
367 ld_shlibs=no
368 ;;
369
370 cygwin* | mingw*)
371 # When not using gcc, we currently assume that we are using
372 # Microsoft Visual C++.
373 # hardcode_libdir_flag_spec is actually meaningless, as there is
374 # no search path for DLLs.
375 hardcode_libdir_flag_spec=' '
376 allow_undefined_flag=unsupported
377 # Tell ltmain to make .lib files, not .a files.
378 libext=lib
379 # FIXME: Setting linknames here is a bad hack.
380 archive_cmds='$CC -o $lib $libobjs $compiler_flags `echo "$deplibs" | sed -e '\''s/ -lc$//'\''` -link -dll~linknames='
381 # The linker will automatically build a .lib file if we build a DLL.
382 old_archive_from_new_cmds='true'
383 # FIXME: Should let the user specify the lib program.
384 old_archive_cmds='lib /OUT:$oldlib$oldobjs$old_deplibs'
385 fix_srcfile_path='`cygpath -w "$srcfile"`'
386 ;;
387
388 freebsd1*)
389 ld_shlibs=no
390 ;;
391
392 # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor
393 # support. Future versions do this automatically, but an explicit c++rt0.o
394 # does not break anything, and helps significantly (at the cost of a little
395 # extra space).
396 freebsd2.2*)
397 archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o'
398 hardcode_libdir_flag_spec='-R$libdir'
399 hardcode_direct=yes
400 hardcode_shlibpath_var=no
401 ;;
402
403 # Unfortunately, older versions of FreeBSD 2 do not have this feature.
404 freebsd2*)
405 archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
406 hardcode_direct=yes
407 hardcode_minus_L=yes
408 hardcode_shlibpath_var=no
409 ;;
410
411 # FreeBSD 3 and greater uses gcc -shared to do shared libraries.
412 freebsd*)
413 archive_cmds='$CC -shared -o $lib $libobjs $deplibs $compiler_flags'
414 hardcode_libdir_flag_spec='-R$libdir'
415 hardcode_direct=yes
416 hardcode_shlibpath_var=no
417 ;;
418
419 hpux9* | hpux10* | hpux11*)
420 case "$host_cpu" in
421 ia64*)
422 hardcode_direct=no
423 hardcode_shlibpath_var=no
424 archive_cmds='$LD -b +h $soname -o $lib $libobjs $deplibs $linker_flags'
425 hardcode_libdir_flag_spec='-L$libdir' ;;
426 *)
427 if test $with_gcc = yes; then
428 case "$host_os" in
429 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 $lib' ;;
430 *) archive_cmds='$CC -shared -fPIC ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags' ;;
431 esac
432 else
433 case $host_os in
434 hpux9*) archive_cmds='$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 $lib' ;;
435 *) archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags' ;;
436 esac
437 fi
438 hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
439 hardcode_libdir_separator=:
440 hardcode_minus_L=yes # Not in the search PATH, but as the default
441 # location of the library.
442 ;;
443 esac
444 export_dynamic_flag_spec='${wl}-E'
445 hardcode_direct=yes
446 ;;
447
448 irix5* | irix6*)
449 if test "$with_gcc" = yes; then
450 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 $lib'
451 else
452 archive_cmds='$LD -shared $libobjs $deplibs $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib'
453 fi
454 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
455 hardcode_libdir_separator=:
456 link_all_deplibs=yes
457 ;;
458
459 netbsd*)
460 if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
461 archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' # a.out
462 else
463 archive_cmds='$LD -shared -o $lib $libobjs $deplibs $linker_flags' # ELF
464 fi
465 hardcode_libdir_flag_spec='-R$libdir'
466 hardcode_direct=yes
467 hardcode_shlibpath_var=no
468 ;;
469
470 newsos6)
471 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
472 hardcode_direct=yes
473 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
474 hardcode_libdir_separator=:
475 hardcode_shlibpath_var=no
476 ;;
477
478 openbsd*)
479 archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
480 hardcode_libdir_flag_spec='-R$libdir'
481 hardcode_direct=yes
482 hardcode_shlibpath_var=no
483 ;;
484
485 os2*)
486 hardcode_libdir_flag_spec='-L$libdir'
487 hardcode_minus_L=yes
488 #allow_undefined_flag=unsupported
489 # HACK!!!! just need something here to link shared libs - at least for now.
490 allow_undefined_flag=no
491 archive_cmds='$echo "LIBRARY $soname 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 ${LT_OS2_LDFLAGS} $output_objdir/$libname.def'
492 old_archive_from_new_cmds='rm -f $output_objdir/$libname.a~emximp -o $output_objdir/$libname.a $output_objdir/$libname.def'
493 ;;
494
495 osf3*)
496 if test "$with_gcc" = yes; then
497 allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
498 archive_cmds='$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 $lib'
499 else
500 allow_undefined_flag=' -expect_unresolved \*'
501 archive_cmds='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib'
502 fi
503 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
504 hardcode_libdir_separator=:
505 ;;
506
507 osf4* | osf5*) # as osf3* with the addition of -msym flag
508 if test "$with_gcc" = yes; then
509 allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
510 archive_cmds='$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 $lib'
511 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
512 else
513 allow_undefined_flag=' -expect_unresolved \*'
514 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'
515 archive_expsym_cmds='for i in `cat $export_symbols`; do printf "-exported_symbol " >> $lib.exp; echo "\$i" >> $lib.exp; done; echo "-hidden">> $lib.exp~
516 $LD -shared${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'
517
518 # cc supports -rpath directly
519 hardcode_libdir_flag_spec='-rpath $libdir'
520 fi
521 hardcode_libdir_separator=:
522 ;;
523
524 sco3.2v5*)
525 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
526 hardcode_shlibpath_var=no
527 runpath_var=LD_RUN_PATH
528 hardcode_runpath_var=yes
529 ;;
530
531 solaris*)
532 no_undefined_flag=' -z defs'
533 if test "$with_gcc" = yes; then
534 archive_cmds='$CC -shared ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
535 archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
536 $CC -shared ${wl}-M ${wl}$lib.exp ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags~$rm $lib.exp'
537 else
538 archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags'
539 archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
540 $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$rm $lib.exp'
541 fi
542 hardcode_libdir_flag_spec='-R$libdir'
543 hardcode_shlibpath_var=no
544 case $host_os in
545 solaris2.[0-5] | solaris2.[0-5].*) ;;
546 *) # Supported since Solaris 2.6 (maybe 2.5.1?)
547 whole_archive_flag_spec='-z allextract$convenience -z defaultextract' ;;
548 esac
549 link_all_deplibs=yes
550 ;;
551
552 sunos4*)
553 archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags'
554 hardcode_libdir_flag_spec='-L$libdir'
555 hardcode_direct=yes
556 hardcode_minus_L=yes
557 hardcode_shlibpath_var=no
558 ;;
559
560 sysv4)
561 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
562 runpath_var='LD_RUN_PATH'
563 hardcode_shlibpath_var=no
564 hardcode_direct=no #Motorola manual says yes, but my tests say they lie
565 ;;
566
567 sysv4.3*)
568 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
569 hardcode_shlibpath_var=no
570 export_dynamic_flag_spec='-Bexport'
571 ;;
572
573 sysv5*)
574 no_undefined_flag=' -z text'
575 # $CC -shared without GNU ld will not create a library from C++
576 # object files and a static libstdc++, better avoid it by now
577 archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags'
578 archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
579 $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$rm $lib.exp'
580 hardcode_libdir_flag_spec=
581 hardcode_shlibpath_var=no
582 runpath_var='LD_RUN_PATH'
583 ;;
584
585 uts4*)
586 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
587 hardcode_libdir_flag_spec='-L$libdir'
588 hardcode_shlibpath_var=no
589 ;;
590
591 dgux*)
592 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
593 hardcode_libdir_flag_spec='-L$libdir'
594 hardcode_shlibpath_var=no
595 ;;
596
597 sysv4*MP*)
598 if test -d /usr/nec; then
599 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
600 hardcode_shlibpath_var=no
601 runpath_var=LD_RUN_PATH
602 hardcode_runpath_var=yes
603 ld_shlibs=yes
604 fi
605 ;;
606
607 sysv4.2uw2*)
608 archive_cmds='$LD -G -o $lib $libobjs $deplibs $linker_flags'
609 hardcode_direct=yes
610 hardcode_minus_L=no
611 hardcode_shlibpath_var=no
612 hardcode_runpath_var=yes
613 runpath_var=LD_RUN_PATH
614 ;;
615
616 sysv5uw7* | unixware7*)
617 no_undefined_flag='${wl}-z ${wl}text'
618 if test "$GCC" = yes; then
619 archive_cmds='$CC -shared ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
620 else
621 archive_cmds='$CC -G ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
622 fi
623 runpath_var='LD_RUN_PATH'
624 hardcode_shlibpath_var=no
625 ;;
626
627 *)
628 ld_shlibs=no
629 ;;
630 esac
631fi
632
633## Compiler Characteristics: PIC flags, static flags, etc
634if test "X${ac_cv_prog_cc_pic+set}" = Xset; then
635 :
636else
637 ac_cv_prog_cc_pic=
638 ac_cv_prog_cc_shlib=
639 ac_cv_prog_cc_wl=
640 ac_cv_prog_cc_static=
641 ac_cv_prog_cc_no_builtin=
642 ac_cv_prog_cc_can_build_shared=$can_build_shared
643
644 if test "$with_gcc" = yes; then
645 ac_cv_prog_cc_wl='-Wl,'
646 ac_cv_prog_cc_static='-static'
647
648 case $host_os in
649 aix*)
650 # All AIX code is PIC.
651 if test "$host_cpu" = ia64; then
652 # AIX 5 now supports IA64 processor
653 lt_cv_prog_cc_static='-Bstatic'
654 else
655 lt_cv_prog_cc_static='-bnso -bI:/lib/syscalls.exp'
656 fi
657 ;;
658 amigaos*)
659 # FIXME: we need at least 68020 code to build shared libraries, but
660 # adding the `-m68020' flag to GCC prevents building anything better,
661 # like `-m68040'.
662 ac_cv_prog_cc_pic='-m68020 -resident32 -malways-restore-a4'
663 ;;
664 beos* | irix5* | irix6* | osf3* | osf4* | osf5*)
665 # PIC is the default for these OSes.
666 ;;
667 cygwin* | mingw* | os2*)
668 # This hack is so that the source file can tell whether it is being
669 # built for inclusion in a dll (and should export symbols for example).
670 ac_cv_prog_cc_pic='-DDLL_EXPORT'
671 ;;
672 darwin* | rhapsody*)
673 # PIC is the default on this platform
674 # Common symbols not allowed in MH_DYLIB files
675 lt_cv_prog_cc_pic='-fno-common'
676 ;;
677 *djgpp*)
678 # DJGPP does not support shared libraries at all
679 ac_cv_prog_cc_pic=
680 ;;
681 sysv4*MP*)
682 if test -d /usr/nec; then
683 ac_cv_prog_cc_pic=-Kconform_pic
684 fi
685 ;;
686 *)
687 ac_cv_prog_cc_pic='-fPIC'
688 ;;
689 esac
690 else
691 # PORTME Check for PIC flags for the system compiler.
692 case $host_os in
693 aix*)
694 # All AIX code is PIC.
695 ac_cv_prog_cc_static="$ac_cv_prog_cc_static ${ac_cv_prog_cc_wl}-lC"
696 ;;
697
698 hpux9* | hpux10* | hpux11*)
699 # Is there a better ac_cv_prog_cc_static that works with the bundled CC?
700 ac_cv_prog_cc_wl='-Wl,'
701 ac_cv_prog_cc_static="${ac_cv_prog_cc_wl}-a ${ac_cv_prog_cc_wl}archive"
702 ac_cv_prog_cc_pic='+Z'
703 ;;
704
705 irix5* | irix6*)
706 ac_cv_prog_cc_wl='-Wl,'
707 ac_cv_prog_cc_static='-non_shared'
708 # PIC (with -KPIC) is the default.
709 ;;
710
711 cygwin* | mingw* | os2*)
712 # This hack is so that the source file can tell whether it is being
713 # built for inclusion in a dll (and should export symbols for example).
714 ac_cv_prog_cc_pic='-DDLL_EXPORT'
715 ;;
716
717 newsos6)
718 ac_cv_prog_cc_pic='-KPIC'
719 ac_cv_prog_cc_static='-Bstatic'
720 ;;
721
722 osf3* | osf4* | osf5*)
723 # All OSF/1 code is PIC.
724 ac_cv_prog_cc_wl='-Wl,'
725 ac_cv_prog_cc_static='-non_shared'
726 ;;
727
728 sco3.2v5*)
729 ac_cv_prog_cc_pic='-Kpic'
730 ac_cv_prog_cc_static='-dn'
731 ac_cv_prog_cc_shlib='-belf'
732 ;;
733
734 solaris*)
735 ac_cv_prog_cc_pic='-KPIC'
736 ac_cv_prog_cc_static='-Bstatic'
737 ac_cv_prog_cc_wl='-Wl,'
738 ;;
739
740 sunos4*)
741 ac_cv_prog_cc_pic='-PIC'
742 ac_cv_prog_cc_static='-Bstatic'
743 ac_cv_prog_cc_wl='-Qoption ld '
744 ;;
745
746 sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
747 ac_cv_prog_cc_pic='-KPIC'
748 ac_cv_prog_cc_static='-Bstatic'
749 ac_cv_prog_cc_wl='-Wl,'
750 ;;
751
752 uts4*)
753 ac_cv_prog_cc_pic='-pic'
754 ac_cv_prog_cc_static='-Bstatic'
755 ;;
756
757 sysv4*MP*)
758 if test -d /usr/nec ;then
759 ac_cv_prog_cc_pic='-Kconform_pic'
760 ac_cv_prog_cc_static='-Bstatic'
761 fi
762 ;;
763
764 *)
765 ac_cv_prog_cc_can_build_shared=no
766 ;;
767 esac
768 fi
769 case "$host_os" in
770 # Platforms which do not suport PIC and -DPIC is meaningless
771 # on them:
772 *djgpp*)
773 ac_cv_prog_cc_pic=
774 ;;
775 *)
776 ac_cv_prog_cc_pic="$ac_cv_prog_cc_pic -DPIC"
777 ;;
778 esac
779fi
780
781need_lc=yes
782if test "$enable_shared" = yes && test "$with_gcc" = yes; then
783 case $archive_cmds in
784 *'~'*)
785 # FIXME: we may have to deal with multi-command sequences.
786 ;;
787 '$CC '*)
788 # Test whether the compiler implicitly links with -lc since on some
789 # systems, -lgcc has to come before -lc. If gcc already passes -lc
790 # to ld, don't add -lc before -lgcc.
791 echo $ac_n "checking whether -lc should be explicitly linked in... $ac_c" 1>&6
792 if eval "test \"`echo '$''{'ac_cv_archive_cmds_needs_lc'+set}'`\" = set"; then
793 echo $ac_n "(cached) $ac_c" 1>&6
794 need_lc=$ac_cv_archive_cmds_needs_lc
795 else
796 $rm conftest*
797 echo "static int dummy;" > conftest.$ac_ext
798 if { (eval echo ltcf-c.sh:need_lc: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; }; then
799 # Append any warnings to the config.log.
800 cat conftest.err 1>&5
801 soname=conftest
802 lib=conftest
803 libobjs=conftest.$objext
804 deplibs=
805 wl=$ac_cv_prog_cc_wl
806 compiler_flags=-v
807 linker_flags=-v
808 verstring=
809 output_objdir=.
810 libname=conftest
811 save_allow_undefined_flag=$allow_undefined_flag
812 allow_undefined_flag=
813 if { (eval echo ltcf-c.sh:need_lc: \"$archive_cmds\") 1>&5; (eval $archive_cmds) 2>&1 | grep " -lc " 1>&5 ; }; then
814 need_lc=no
815 fi
816 allow_undefined_flag=$save_allow_undefined_flag
817 else
818 cat conftest.err 1>&5
819 fi
820 fi
821 $rm conftest*
822 echo "$ac_t$need_lc" 1>&6
823 ;;
824 esac
825fi
826ac_cv_archive_cmds_needs_lc=$need_lc
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