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4f4caf92 AO |
1 | #### This script is meant to be sourced by ltconfig. |
2 | ||
4f4caf92 AO |
3 | # ltcf-c.sh - Create a C compiler specific configuration |
4 | # | |
88a1c0ab | 5 | # Copyright (C) 1996-2000, 2001 Free Software Foundation, Inc. |
4f4caf92 AO |
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. | |
29 | ac_ext=c | |
30 | ||
31 | # Object file extension for compiled C test sources. | |
32 | objext=o | |
33 | ||
34 | # Code to be used in simple compile tests | |
35 | lt_simple_compile_test_code="int some_variable = 0;" | |
36 | ||
37 | # Code to be used in simple link tests | |
38 | lt_simple_link_test_code='main(){return(0);}' | |
39 | ||
40 | ## Linker Characteristics | |
82e23236 | 41 | case $host_os in |
4f4caf92 AO |
42 | cygwin* | mingw*) |
43 | # FIXME: the MSVC++ port hasn't been tested in a loooong time | |
44 | # When not using gcc, we currently assume that we are using | |
45 | # Microsoft Visual C++. | |
46 | if test "$with_gcc" != yes; then | |
47 | with_gnu_ld=no | |
48 | fi | |
49 | ;; | |
50 | ||
51 | esac | |
52 | ||
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}' | |
57 | ||
58 | # See if GNU ld supports shared libraries. | |
82e23236 | 59 | case $host_os in |
0ef8b11b | 60 | aix3* | aix4* | aix5*) |
898c7238 AO |
61 | # On AIX/PPC, the GNU linker is very broken |
62 | if test "$host_cpu" != ia64; then | |
63 | ld_shlibs=no | |
64 | cat <<EOF 1>&2 | |
4f4caf92 AO |
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 | ||
72 | EOF | |
898c7238 | 73 | fi |
4f4caf92 AO |
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 $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then | |
92 | allow_undefined_flag=unsupported | |
93 | # Joseph Beckenbach <jrb3@best.com> says some releases of gcc | |
94 | # support --undefined. This deserves some investigation. FIXME | |
06298abd | 95 | archive_cmds='$CC -nostart $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' |
4f4caf92 AO |
96 | else |
97 | ld_shlibs=no | |
98 | fi | |
99 | ;; | |
100 | ||
101 | cygwin* | mingw*) | |
102 | # hardcode_libdir_flag_spec is actually meaningless, as there is | |
103 | # no search path for DLLs. | |
104 | hardcode_libdir_flag_spec='-L$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 $output_objdir && \ | |
4977bab6 | 111 | if test "x$BUILD_CC" != "x" ; then $BUILD_CC -o impgen impgen.c ; \ |
4f4caf92 | 112 | else $CC -o impgen impgen.c ; fi)~ |
75b9074c | 113 | $output_objdir/impgen $dir/$soroot > $output_objdir/$soname-def' |
4f4caf92 AO |
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~ | |
82e23236 | 122 | case $host_os in |
4f4caf92 AO |
123 | mingw*) |
124 | # mingw values | |
125 | dll_entry=_DllMainCRTStartup@12 | |
126 | dll_exclude_symbols=DllMain@12,DllMainCRTStartup@12,DllEntryPoint@12~ | |
127 | ;; | |
128 | esac | |
129 | ||
130 | # mingw and cygwin differ, and it's simplest to just exclude the union | |
131 | # of the two symbol sets. | |
132 | dll_exclude_symbols=DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12,DllMainCRTStartup@12,DllEntryPoint@12 | |
133 | ||
134 | # recent cygwin and mingw systems supply a stub DllMain which the user | |
135 | # can override, but on older systems we have to supply one (in ltdll.c) | |
136 | if test "x$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 | ||
82e23236 AO |
153 | # If the export-symbols file already is a .def file (1st line |
154 | # is EXPORTS), use it as is. | |
4f4caf92 | 155 | # If DATA tags from a recent dlltool are present, honour them! |
82e23236 AO |
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~ | |
4f4caf92 | 170 | '"$ltdll_cmds"' |
75b9074c | 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~ |
4f4caf92 | 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~ |
75b9074c AO |
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' | |
4f4caf92 AO |
176 | ;; |
177 | ||
80dc6aa0 | 178 | netbsd* | knetbsd*-gnu) |
4f4caf92 AO |
179 | if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then |
180 | archive_cmds='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib' | |
181 | wlarc= | |
182 | else | |
33456445 AO |
183 | archive_cmds='$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' | |
4f4caf92 AO |
185 | fi |
186 | ;; | |
187 | ||
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 | |
192 | ||
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. | |
199 | ||
200 | EOF | |
201 | elif $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then | |
06298abd AO |
202 | archive_cmds='$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 $lib' | |
4f4caf92 AO |
204 | else |
205 | ld_shlibs=no | |
206 | fi | |
207 | ;; | |
208 | ||
209 | sunos4*) | |
210 | archive_cmds='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linker_flags' | |
211 | wlarc= | |
212 | hardcode_direct=yes | |
213 | hardcode_shlibpath_var=no | |
214 | ;; | |
215 | ||
216 | *) | |
217 | if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then | |
82e23236 AO |
218 | archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' |
219 | archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' | |
4f4caf92 AO |
220 | else |
221 | ld_shlibs=no | |
222 | fi | |
223 | ;; | |
224 | esac | |
225 | ||
226 | if test "$ld_shlibs" = yes; then | |
227 | runpath_var=LD_RUN_PATH | |
06298abd AO |
228 | hardcode_libdir_flag_spec='${wl}--rpath ${wl}$libdir' |
229 | export_dynamic_flag_spec='${wl}--export-dynamic' | |
4f4caf92 AO |
230 | case $host_os in |
231 | cygwin* | mingw*) | |
232 | # dlltool doesn't understand --whole-archive et. al. | |
233 | whole_archive_flag_spec= | |
234 | ;; | |
235 | *) | |
236 | # ancient GNU ld didn't support --whole-archive et. al. | |
237 | if $LD --help 2>&1 | egrep 'no-whole-archive' > /dev/null; then | |
238 | whole_archive_flag_spec="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive' | |
239 | else | |
240 | whole_archive_flag_spec= | |
241 | fi | |
242 | ;; | |
243 | esac | |
244 | fi | |
245 | else | |
246 | # PORTME fill in a description of your system's linker (not GNU ld) | |
82e23236 | 247 | case $host_os in |
4f4caf92 AO |
248 | aix3*) |
249 | allow_undefined_flag=unsupported | |
250 | always_export_symbols=yes | |
251 | archive_expsym_cmds='$LD -o $output_objdir/$soname $libobjs $deplibs $linker_flags -bE:$export_symbols -T512 -H512 -bM:SRE~$AR $AR_FLAGS $lib $output_objdir/$soname' | |
252 | # Note: this linker hardcodes the directories in LIBPATH if there | |
253 | # are no directories specified by -L. | |
254 | hardcode_minus_L=yes | |
255 | if test "$with_gcc" = yes && test -z "$link_static_flag"; then | |
256 | # Neither direct hardcoding nor static linking is supported with a | |
257 | # broken collect2. | |
258 | hardcode_direct=unsupported | |
259 | fi | |
260 | ;; | |
261 | ||
0ef8b11b | 262 | aix4* | aix5*) |
82e23236 | 263 | hardcode_direct=yes |
4f4caf92 | 264 | hardcode_libdir_separator=':' |
82e23236 AO |
265 | link_all_deplibs=yes |
266 | # When large executables or shared objects are built, AIX ld can | |
267 | # have problems creating the table of contents. If linking a library | |
268 | # or program results in "error TOC overflow" add -mminimal-toc to | |
269 | # CXXFLAGS/CFLAGS for g++/gcc. In the cases where that is not | |
270 | # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS. | |
4f4caf92 | 271 | if test "$with_gcc" = yes; then |
82e23236 AO |
272 | case $host_os in aix4.[012]|aix4.[012].*) |
273 | # We only want to do this on AIX 4.2 and lower, the check | |
274 | # below for broken collect2 doesn't work under 4.3+ | |
275 | collect2name=`${CC} -print-prog-name=collect2` | |
276 | if test -f "$collect2name" && \ | |
277 | strings "$collect2name" | grep resolve_lib_name >/dev/null | |
278 | then | |
279 | # We have reworked collect2 | |
280 | hardcode_direct=yes | |
281 | else | |
282 | # We have old collect2 | |
283 | hardcode_direct=unsupported | |
284 | # It fails to find uninstalled libraries when the uninstalled | |
285 | # path is not listed in the libpath. Setting hardcode_minus_L | |
286 | # to unsupported forces relinking | |
287 | hardcode_minus_L=yes | |
288 | hardcode_libdir_flag_spec='-L$libdir' | |
289 | hardcode_libdir_separator= | |
290 | fi | |
291 | esac | |
292 | shared_flag='-shared' | |
293 | else | |
294 | # not using gcc | |
295 | if test "$host_cpu" = ia64; then | |
296 | shared_flag='${wl}-G' | |
4f4caf92 | 297 | else |
82e23236 | 298 | shared_flag='${wl}-bM:SRE' |
4f4caf92 | 299 | fi |
82e23236 AO |
300 | fi |
301 | ||
302 | if test "$host_cpu" = ia64; then | |
303 | # On IA64, the linker does run time linking by default, so we don't | |
304 | # have to do anything special. | |
305 | aix_use_runtimelinking=no | |
898c7238 AO |
306 | if test $with_gnu_ld = no; then |
307 | exp_sym_flag='-Bexport' | |
308 | no_entry_flag="" | |
309 | fi | |
4f4caf92 | 310 | else |
82e23236 AO |
311 | # Test if we are trying to use run time linking, or normal AIX style linking. |
312 | # If -brtl is somewhere in LDFLAGS, we need to do run time linking. | |
313 | aix_use_runtimelinking=no | |
314 | for ld_flag in $LDFLAGS; do | |
315 | if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl" ); then | |
316 | aix_use_runtimelinking=yes | |
317 | break | |
318 | fi | |
319 | done | |
320 | exp_sym_flag='-bexport' | |
321 | no_entry_flag='-bnoentry' | |
4f4caf92 | 322 | fi |
7ca0e6d9 DE |
323 | # -bexpall does not export symbols beginning with underscore (_) |
324 | always_export_symbols=yes | |
82e23236 AO |
325 | if test "$aix_use_runtimelinking" = yes; then |
326 | # Warning - without using the other run time loading flags (-brtl), -berok will | |
327 | # link without error, but may produce a broken library. | |
328 | allow_undefined_flag=' ${wl}-berok' | |
329 | hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:/usr/lib:/lib' | |
330 | archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs $compiler_flags ${allow_undefined_flag} '"\${wl}$no_entry_flag \${wl}$exp_sym_flag:\$export_symbols" | |
331 | else | |
332 | if test "$host_cpu" = ia64; then | |
898c7238 AO |
333 | if test $with_gnu_ld = no; then |
334 | hardcode_libdir_flag_spec='${wl}-R $libdir:/usr/lib:/lib' | |
335 | allow_undefined_flag="-z nodefs" | |
336 | 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" | |
337 | fi | |
82e23236 AO |
338 | else |
339 | allow_undefined_flag=' ${wl}-berok' | |
340 | # -bexpall does not export symbols beginning with underscore (_) | |
341 | always_export_symbols=yes | |
342 | # Exported symbols can be pulled into shared objects from archives | |
343 | whole_archive_flag_spec=' ' | |
344 | build_libtool_need_lc=yes | |
345 | hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:/usr/lib:/lib' | |
346 | # This is similar to how AIX traditionally builds it's shared libraries. | |
347 | 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' | |
348 | fi | |
349 | fi | |
7ca0e6d9 | 350 | ;; |
4f4caf92 AO |
351 | |
352 | amigaos*) | |
353 | 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 $output_objdir && a2ixlibrary -32)' | |
354 | hardcode_libdir_flag_spec='-L$libdir' | |
355 | hardcode_minus_L=yes | |
356 | # see comment about different semantics on the GNU ld section | |
357 | ld_shlibs=no | |
358 | ;; | |
359 | ||
360 | cygwin* | mingw*) | |
361 | # When not using gcc, we currently assume that we are using | |
362 | # Microsoft Visual C++. | |
363 | # hardcode_libdir_flag_spec is actually meaningless, as there is | |
364 | # no search path for DLLs. | |
365 | hardcode_libdir_flag_spec=' ' | |
366 | allow_undefined_flag=unsupported | |
367 | # Tell ltmain to make .lib files, not .a files. | |
368 | libext=lib | |
369 | # FIXME: Setting linknames here is a bad hack. | |
370 | archive_cmds='$CC -o $lib $libobjs $compiler_flags `echo "$deplibs" | sed -e '\''s/ -lc$//'\''` -link -dll~linknames=' | |
371 | # The linker will automatically build a .lib file if we build a DLL. | |
372 | old_archive_from_new_cmds='true' | |
373 | # FIXME: Should let the user specify the lib program. | |
374 | old_archive_cmds='lib /OUT:$oldlib$oldobjs$old_deplibs' | |
82e23236 | 375 | fix_srcfile_path='`cygpath -w "$srcfile"`' |
4f4caf92 AO |
376 | ;; |
377 | ||
43d8d958 AT |
378 | darwin* | rhapsody*) |
379 | case "$host_os" in | |
380 | rhapsody* | darwin1.[[012]]) | |
381 | allow_undefined_flag='-undefined suppress' | |
382 | ;; | |
383 | *) # Darwin 1.3 on | |
384 | if test -z ${MACOSX_DEPLOYMENT_TARGET} ; then | |
385 | allow_undefined_flag='-flat_namespace -undefined suppress' | |
386 | else | |
387 | case ${MACOSX_DEPLOYMENT_TARGET} in | |
388 | 10.[[012]]) | |
389 | allow_undefined_flag='-flat_namespace -undefined suppress' | |
390 | ;; | |
391 | 10.*) | |
392 | allow_undefined_flag='-undefined dynamic_lookup' | |
393 | ;; | |
394 | esac | |
395 | fi | |
396 | ;; | |
397 | esac | |
398 | # Disable shared library build on OS-X older than 10.3. | |
399 | case $host_os in | |
400 | darwin[1-6]*) | |
401 | can_build_shared=no | |
402 | ;; | |
403 | darwin7*) | |
404 | can_build_shared=yes | |
405 | ;; | |
406 | esac | |
407 | output_verbose_link_cmd='echo' | |
408 | archive_cmds='$CC -dynamiclib $allow_undefined_flag -o $lib $libobjs $deplibs$compiler_flags -install_name $rpath/$soname $verstring' | |
409 | module_cmds='$CC $allow_undefined_flag -o $lib -bundle $libobjs $deplibs$compiler_flags' | |
410 | # Don't fix this by using the ld -exported_symbols_list flag, | |
411 | # it doesn't exist in older darwin ld's | |
412 | 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}' | |
413 | 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}' | |
414 | hardcode_direct=no | |
415 | hardcode_automatic=yes | |
416 | hardcode_shlibpath_var=unsupported | |
417 | whole_archive_flag_spec='-all_load $convenience' | |
418 | link_all_deplibs=yes | |
4f4caf92 AO |
419 | ;; |
420 | ||
43d8d958 AT |
421 | freebsd1*) |
422 | ld_shlibs=no | |
423 | ;; | |
424 | ||
4f4caf92 AO |
425 | # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor |
426 | # support. Future versions do this automatically, but an explicit c++rt0.o | |
427 | # does not break anything, and helps significantly (at the cost of a little | |
428 | # extra space). | |
429 | freebsd2.2*) | |
430 | archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o' | |
431 | hardcode_libdir_flag_spec='-R$libdir' | |
432 | hardcode_direct=yes | |
433 | hardcode_shlibpath_var=no | |
434 | ;; | |
435 | ||
436 | # Unfortunately, older versions of FreeBSD 2 do not have this feature. | |
437 | freebsd2*) | |
438 | archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' | |
439 | hardcode_direct=yes | |
440 | hardcode_minus_L=yes | |
441 | hardcode_shlibpath_var=no | |
442 | ;; | |
443 | ||
444 | # FreeBSD 3 and greater uses gcc -shared to do shared libraries. | |
80dc6aa0 | 445 | freebsd* | kfreebsd*-gnu) |
4f4caf92 AO |
446 | archive_cmds='$CC -shared -o $lib $libobjs $deplibs $compiler_flags' |
447 | hardcode_libdir_flag_spec='-R$libdir' | |
448 | hardcode_direct=yes | |
449 | hardcode_shlibpath_var=no | |
450 | ;; | |
451 | ||
452 | hpux9* | hpux10* | hpux11*) | |
f5cc59a7 AO |
453 | case "$host_cpu" in |
454 | ia64*) | |
455 | hardcode_direct=no | |
456 | hardcode_shlibpath_var=no | |
457 | archive_cmds='$LD -b +h $soname -o $lib $libobjs $deplibs $linker_flags' | |
458 | hardcode_libdir_flag_spec='-L$libdir' ;; | |
459 | *) | |
460 | if test $with_gcc = yes; then | |
461 | case "$host_os" in | |
462 | 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 $lib' ;; | |
463 | *) archive_cmds='$CC -shared -fPIC ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags' ;; | |
464 | esac | |
465 | else | |
466 | case $host_os in | |
467 | hpux9*) archive_cmds='$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 $lib' ;; | |
468 | *) archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags' ;; | |
469 | esac | |
470 | fi | |
471 | hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir' | |
472 | hardcode_libdir_separator=: | |
473 | hardcode_minus_L=yes # Not in the search PATH, but as the default | |
474 | # location of the library. | |
475 | ;; | |
476 | esac | |
4f4caf92 | 477 | export_dynamic_flag_spec='${wl}-E' |
f5cc59a7 | 478 | hardcode_direct=yes |
4f4caf92 AO |
479 | ;; |
480 | ||
481 | irix5* | irix6*) | |
482 | if test "$with_gcc" = yes; then | |
483 | 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 $lib' | |
484 | else | |
485 | archive_cmds='$LD -shared $libobjs $deplibs $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib' | |
486 | fi | |
487 | hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' | |
488 | hardcode_libdir_separator=: | |
489 | link_all_deplibs=yes | |
490 | ;; | |
491 | ||
80dc6aa0 | 492 | netbsd* | knetbsd*-gnu) |
4f4caf92 AO |
493 | if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then |
494 | archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' # a.out | |
495 | else | |
496 | archive_cmds='$LD -shared -o $lib $libobjs $deplibs $linker_flags' # ELF | |
497 | fi | |
82e23236 AO |
498 | hardcode_libdir_flag_spec='-R$libdir' |
499 | hardcode_direct=yes | |
500 | hardcode_shlibpath_var=no | |
501 | ;; | |
502 | ||
503 | newsos6) | |
504 | archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts' | |
4f4caf92 | 505 | hardcode_direct=yes |
82e23236 AO |
506 | hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' |
507 | hardcode_libdir_separator=: | |
4f4caf92 AO |
508 | hardcode_shlibpath_var=no |
509 | ;; | |
510 | ||
511 | openbsd*) | |
512 | archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' | |
513 | hardcode_libdir_flag_spec='-R$libdir' | |
514 | hardcode_direct=yes | |
515 | hardcode_shlibpath_var=no | |
516 | ;; | |
517 | ||
518 | os2*) | |
519 | hardcode_libdir_flag_spec='-L$libdir' | |
520 | hardcode_minus_L=yes | |
521 | allow_undefined_flag=unsupported | |
522 | archive_cmds='$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' | |
523 | old_archive_from_new_cmds='emximp -o $output_objdir/$libname.a $output_objdir/$libname.def' | |
524 | ;; | |
525 | ||
526 | osf3*) | |
527 | if test "$with_gcc" = yes; then | |
528 | allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*' | |
529 | archive_cmds='$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 $lib' | |
530 | else | |
531 | allow_undefined_flag=' -expect_unresolved \*' | |
532 | archive_cmds='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib' | |
533 | fi | |
534 | hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' | |
535 | hardcode_libdir_separator=: | |
536 | ;; | |
537 | ||
538 | osf4* | osf5*) # as osf3* with the addition of -msym flag | |
539 | if test "$with_gcc" = yes; then | |
540 | allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*' | |
541 | archive_cmds='$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 $lib' | |
75b9074c | 542 | hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' |
4f4caf92 AO |
543 | else |
544 | allow_undefined_flag=' -expect_unresolved \*' | |
545 | 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' | |
82e23236 AO |
546 | archive_expsym_cmds='for i in `cat $export_symbols`; do printf "-exported_symbol " >> $lib.exp; echo "\$i" >> $lib.exp; done; echo "-hidden">> $lib.exp~ |
547 | $LD -shared${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' | |
75b9074c AO |
548 | |
549 | # cc supports -rpath directly | |
550 | hardcode_libdir_flag_spec='-rpath $libdir' | |
4f4caf92 | 551 | fi |
4f4caf92 AO |
552 | hardcode_libdir_separator=: |
553 | ;; | |
554 | ||
555 | sco3.2v5*) | |
556 | archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' | |
557 | hardcode_shlibpath_var=no | |
558 | runpath_var=LD_RUN_PATH | |
559 | hardcode_runpath_var=yes | |
560 | ;; | |
561 | ||
562 | solaris*) | |
75b9074c | 563 | no_undefined_flag=' -z defs' |
066bd40d MM |
564 | if test "$with_gcc" = yes; then |
565 | archive_cmds='$CC -shared ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags' | |
566 | archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~ | |
567 | $CC -shared ${wl}-M ${wl}$lib.exp ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags~$rm $lib.exp' | |
568 | else | |
569 | archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags' | |
570 | archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~ | |
571 | $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$rm $lib.exp' | |
572 | fi | |
4f4caf92 AO |
573 | hardcode_libdir_flag_spec='-R$libdir' |
574 | hardcode_shlibpath_var=no | |
82e23236 | 575 | case $host_os in |
4f4caf92 AO |
576 | solaris2.[0-5] | solaris2.[0-5].*) ;; |
577 | *) # Supported since Solaris 2.6 (maybe 2.5.1?) | |
578 | whole_archive_flag_spec='-z allextract$convenience -z defaultextract' ;; | |
579 | esac | |
580 | link_all_deplibs=yes | |
581 | ;; | |
582 | ||
583 | sunos4*) | |
584 | archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags' | |
585 | hardcode_libdir_flag_spec='-L$libdir' | |
586 | hardcode_direct=yes | |
587 | hardcode_minus_L=yes | |
588 | hardcode_shlibpath_var=no | |
589 | ;; | |
590 | ||
591 | sysv4) | |
592 | archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' | |
593 | runpath_var='LD_RUN_PATH' | |
594 | hardcode_shlibpath_var=no | |
595 | hardcode_direct=no #Motorola manual says yes, but my tests say they lie | |
596 | ;; | |
597 | ||
598 | sysv4.3*) | |
599 | archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' | |
600 | hardcode_shlibpath_var=no | |
601 | export_dynamic_flag_spec='-Bexport' | |
602 | ;; | |
603 | ||
604 | sysv5*) | |
605 | no_undefined_flag=' -z text' | |
606 | # $CC -shared without GNU ld will not create a library from C++ | |
607 | # object files and a static libstdc++, better avoid it by now | |
608 | archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags' | |
609 | archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~ | |
610 | $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$rm $lib.exp' | |
611 | hardcode_libdir_flag_spec= | |
612 | hardcode_shlibpath_var=no | |
613 | runpath_var='LD_RUN_PATH' | |
614 | ;; | |
615 | ||
616 | uts4*) | |
617 | archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' | |
618 | hardcode_libdir_flag_spec='-L$libdir' | |
619 | hardcode_shlibpath_var=no | |
620 | ;; | |
621 | ||
622 | dgux*) | |
623 | archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' | |
624 | hardcode_libdir_flag_spec='-L$libdir' | |
625 | hardcode_shlibpath_var=no | |
626 | ;; | |
627 | ||
628 | sysv4*MP*) | |
629 | if test -d /usr/nec; then | |
630 | archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' | |
631 | hardcode_shlibpath_var=no | |
632 | runpath_var=LD_RUN_PATH | |
633 | hardcode_runpath_var=yes | |
634 | ld_shlibs=yes | |
635 | fi | |
636 | ;; | |
637 | ||
638 | sysv4.2uw2*) | |
639 | archive_cmds='$LD -G -o $lib $libobjs $deplibs $linker_flags' | |
640 | hardcode_direct=yes | |
641 | hardcode_minus_L=no | |
642 | hardcode_shlibpath_var=no | |
643 | hardcode_runpath_var=yes | |
644 | runpath_var=LD_RUN_PATH | |
645 | ;; | |
646 | ||
33456445 AO |
647 | sysv5uw7* | unixware7*) |
648 | no_undefined_flag='${wl}-z ${wl}text' | |
649 | if test "$GCC" = yes; then | |
650 | archive_cmds='$CC -shared ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags' | |
651 | else | |
652 | archive_cmds='$CC -G ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags' | |
653 | fi | |
4f4caf92 AO |
654 | runpath_var='LD_RUN_PATH' |
655 | hardcode_shlibpath_var=no | |
656 | ;; | |
657 | ||
658 | *) | |
659 | ld_shlibs=no | |
660 | ;; | |
661 | esac | |
662 | fi | |
663 | ||
664 | ## Compiler Characteristics: PIC flags, static flags, etc | |
665 | if test "X${ac_cv_prog_cc_pic+set}" = Xset; then | |
89820b43 | 666 | : |
4f4caf92 AO |
667 | else |
668 | ac_cv_prog_cc_pic= | |
669 | ac_cv_prog_cc_shlib= | |
670 | ac_cv_prog_cc_wl= | |
671 | ac_cv_prog_cc_static= | |
672 | ac_cv_prog_cc_no_builtin= | |
673 | ac_cv_prog_cc_can_build_shared=$can_build_shared | |
674 | ||
675 | if test "$with_gcc" = yes; then | |
676 | ac_cv_prog_cc_wl='-Wl,' | |
677 | ac_cv_prog_cc_static='-static' | |
678 | ||
82e23236 | 679 | case $host_os in |
4f4caf92 | 680 | aix*) |
82e23236 AO |
681 | # All AIX code is PIC. |
682 | if test "$host_cpu" = ia64; then | |
683 | # AIX 5 now supports IA64 processor | |
684 | lt_cv_prog_cc_static='-Bstatic' | |
685 | else | |
686 | lt_cv_prog_cc_static='-bnso -bI:/lib/syscalls.exp' | |
687 | fi | |
976b230d | 688 | ;; |
75b9074c AO |
689 | amigaos*) |
690 | # FIXME: we need at least 68020 code to build shared libraries, but | |
691 | # adding the `-m68020' flag to GCC prevents building anything better, | |
692 | # like `-m68040'. | |
693 | ac_cv_prog_cc_pic='-m68020 -resident32 -malways-restore-a4' | |
694 | ;; | |
695 | beos* | irix5* | irix6* | osf3* | osf4* | osf5*) | |
696 | # PIC is the default for these OSes. | |
b6b14b1b | 697 | ;; |
4f4caf92 AO |
698 | cygwin* | mingw* | os2*) |
699 | # This hack is so that the source file can tell whether it is being | |
700 | # built for inclusion in a dll (and should export symbols for example). | |
701 | ac_cv_prog_cc_pic='-DDLL_EXPORT' | |
702 | ;; | |
75b9074c AO |
703 | darwin* | rhapsody*) |
704 | # PIC is the default on this platform | |
705 | # Common symbols not allowed in MH_DYLIB files | |
43d8d958 | 706 | ac_cv_prog_cc_pic='-fno-common' |
75b9074c AO |
707 | ;; |
708 | *djgpp*) | |
709 | # DJGPP does not support shared libraries at all | |
710 | ac_cv_prog_cc_pic= | |
4f4caf92 AO |
711 | ;; |
712 | sysv4*MP*) | |
713 | if test -d /usr/nec; then | |
714 | ac_cv_prog_cc_pic=-Kconform_pic | |
715 | fi | |
716 | ;; | |
717 | *) | |
718 | ac_cv_prog_cc_pic='-fPIC' | |
719 | ;; | |
720 | esac | |
721 | else | |
722 | # PORTME Check for PIC flags for the system compiler. | |
82e23236 AO |
723 | case $host_os in |
724 | aix*) | |
4f4caf92 | 725 | # All AIX code is PIC. |
82e23236 | 726 | ac_cv_prog_cc_static="$ac_cv_prog_cc_static ${ac_cv_prog_cc_wl}-lC" |
4f4caf92 AO |
727 | ;; |
728 | ||
729 | hpux9* | hpux10* | hpux11*) | |
730 | # Is there a better ac_cv_prog_cc_static that works with the bundled CC? | |
731 | ac_cv_prog_cc_wl='-Wl,' | |
732 | ac_cv_prog_cc_static="${ac_cv_prog_cc_wl}-a ${ac_cv_prog_cc_wl}archive" | |
733 | ac_cv_prog_cc_pic='+Z' | |
734 | ;; | |
735 | ||
736 | irix5* | irix6*) | |
737 | ac_cv_prog_cc_wl='-Wl,' | |
738 | ac_cv_prog_cc_static='-non_shared' | |
739 | # PIC (with -KPIC) is the default. | |
740 | ;; | |
741 | ||
742 | cygwin* | mingw* | os2*) | |
743 | # This hack is so that the source file can tell whether it is being | |
744 | # built for inclusion in a dll (and should export symbols for example). | |
745 | ac_cv_prog_cc_pic='-DDLL_EXPORT' | |
746 | ;; | |
747 | ||
82e23236 AO |
748 | newsos6) |
749 | ac_cv_prog_cc_pic='-KPIC' | |
750 | ac_cv_prog_cc_static='-Bstatic' | |
751 | ;; | |
752 | ||
4f4caf92 AO |
753 | osf3* | osf4* | osf5*) |
754 | # All OSF/1 code is PIC. | |
755 | ac_cv_prog_cc_wl='-Wl,' | |
756 | ac_cv_prog_cc_static='-non_shared' | |
757 | ;; | |
758 | ||
759 | sco3.2v5*) | |
760 | ac_cv_prog_cc_pic='-Kpic' | |
761 | ac_cv_prog_cc_static='-dn' | |
762 | ac_cv_prog_cc_shlib='-belf' | |
763 | ;; | |
764 | ||
765 | solaris*) | |
766 | ac_cv_prog_cc_pic='-KPIC' | |
767 | ac_cv_prog_cc_static='-Bstatic' | |
768 | ac_cv_prog_cc_wl='-Wl,' | |
769 | ;; | |
770 | ||
771 | sunos4*) | |
772 | ac_cv_prog_cc_pic='-PIC' | |
773 | ac_cv_prog_cc_static='-Bstatic' | |
774 | ac_cv_prog_cc_wl='-Qoption ld ' | |
775 | ;; | |
776 | ||
777 | sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*) | |
778 | ac_cv_prog_cc_pic='-KPIC' | |
779 | ac_cv_prog_cc_static='-Bstatic' | |
780 | ac_cv_prog_cc_wl='-Wl,' | |
781 | ;; | |
782 | ||
783 | uts4*) | |
784 | ac_cv_prog_cc_pic='-pic' | |
785 | ac_cv_prog_cc_static='-Bstatic' | |
786 | ;; | |
787 | ||
788 | sysv4*MP*) | |
789 | if test -d /usr/nec ;then | |
790 | ac_cv_prog_cc_pic='-Kconform_pic' | |
791 | ac_cv_prog_cc_static='-Bstatic' | |
792 | fi | |
793 | ;; | |
794 | ||
795 | *) | |
796 | ac_cv_prog_cc_can_build_shared=no | |
797 | ;; | |
798 | esac | |
799 | fi | |
b6b14b1b AO |
800 | case "$host_os" in |
801 | # Platforms which do not suport PIC and -DPIC is meaningless | |
802 | # on them: | |
803 | *djgpp*) | |
804 | ac_cv_prog_cc_pic= | |
805 | ;; | |
806 | *) | |
807 | ac_cv_prog_cc_pic="$ac_cv_prog_cc_pic -DPIC" | |
808 | ;; | |
809 | esac | |
4f4caf92 AO |
810 | fi |
811 | ||
812 | need_lc=yes | |
813 | if test "$enable_shared" = yes && test "$with_gcc" = yes; then | |
82e23236 | 814 | case $archive_cmds in |
4f4caf92 AO |
815 | *'~'*) |
816 | # FIXME: we may have to deal with multi-command sequences. | |
817 | ;; | |
818 | '$CC '*) | |
819 | # Test whether the compiler implicitly links with -lc since on some | |
820 | # systems, -lgcc has to come before -lc. If gcc already passes -lc | |
821 | # to ld, don't add -lc before -lgcc. | |
89820b43 | 822 | echo $ac_n "checking whether -lc should be explicitly linked in... $ac_c" 1>&6 |
4f4caf92 AO |
823 | if eval "test \"`echo '$''{'ac_cv_archive_cmds_needs_lc'+set}'`\" = set"; then |
824 | echo $ac_n "(cached) $ac_c" 1>&6 | |
825 | need_lc=$ac_cv_archive_cmds_needs_lc | |
826 | else | |
827 | $rm conftest* | |
828 | echo "static int dummy;" > conftest.$ac_ext | |
89820b43 | 829 | if { (eval echo ltcf-c.sh:need_lc: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; }; then |
4f4caf92 AO |
830 | # Append any warnings to the config.log. |
831 | cat conftest.err 1>&5 | |
832 | soname=conftest | |
833 | lib=conftest | |
898c7238 | 834 | libobjs=conftest.$objext |
4f4caf92 | 835 | deplibs= |
89820b43 | 836 | wl=$ac_cv_prog_cc_wl |
4f4caf92 AO |
837 | compiler_flags=-v |
838 | linker_flags=-v | |
839 | verstring= | |
840 | output_objdir=. | |
841 | libname=conftest | |
06298abd | 842 | save_allow_undefined_flag=$allow_undefined_flag |
4f4caf92 | 843 | allow_undefined_flag= |
89820b43 | 844 | if { (eval echo ltcf-c.sh:need_lc: \"$archive_cmds\") 1>&5; (eval $archive_cmds) 2>&1 | grep " -lc " 1>&5 ; }; then |
4f4caf92 AO |
845 | need_lc=no |
846 | fi | |
06298abd | 847 | allow_undefined_flag=$save_allow_undefined_flag |
4f4caf92 AO |
848 | else |
849 | cat conftest.err 1>&5 | |
850 | fi | |
851 | fi | |
852 | $rm conftest* | |
853 | echo "$ac_t$need_lc" 1>&6 | |
854 | ;; | |
855 | esac | |
856 | fi | |
857 | ac_cv_archive_cmds_needs_lc=$need_lc |