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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 | |
539df155 | 20 | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
4f4caf92 AO |
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 | ||
1abb828a D |
216 | tpf*) |
217 | ld_shlibs=yes | |
218 | ;; | |
219 | ||
4f4caf92 AO |
220 | *) |
221 | if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then | |
82e23236 AO |
222 | archive_cmds='$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 $lib' | |
4f4caf92 AO |
224 | else |
225 | ld_shlibs=no | |
226 | fi | |
227 | ;; | |
228 | esac | |
229 | ||
230 | if test "$ld_shlibs" = yes; then | |
231 | runpath_var=LD_RUN_PATH | |
06298abd AO |
232 | hardcode_libdir_flag_spec='${wl}--rpath ${wl}$libdir' |
233 | export_dynamic_flag_spec='${wl}--export-dynamic' | |
4f4caf92 AO |
234 | case $host_os in |
235 | cygwin* | mingw*) | |
236 | # dlltool doesn't understand --whole-archive et. al. | |
237 | whole_archive_flag_spec= | |
238 | ;; | |
239 | *) | |
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= | |
245 | fi | |
246 | ;; | |
247 | esac | |
248 | fi | |
249 | else | |
250 | # PORTME fill in a description of your system's linker (not GNU ld) | |
82e23236 | 251 | case $host_os in |
4f4caf92 AO |
252 | aix3*) |
253 | allow_undefined_flag=unsupported | |
254 | always_export_symbols=yes | |
255 | archive_expsym_cmds='$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 | |
263 | fi | |
264 | ;; | |
265 | ||
0ef8b11b | 266 | aix4* | aix5*) |
82e23236 | 267 | hardcode_direct=yes |
4f4caf92 | 268 | hardcode_libdir_separator=':' |
82e23236 | 269 | link_all_deplibs=yes |
c9392a2b | 270 | file_list_spec='${wl}-f,' |
82e23236 AO |
271 | # When large executables or shared objects are built, AIX ld can |
272 | # have problems creating the table of contents. If linking a library | |
273 | # or program results in "error TOC overflow" add -mminimal-toc to | |
274 | # CXXFLAGS/CFLAGS for g++/gcc. In the cases where that is not | |
275 | # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS. | |
4f4caf92 | 276 | if test "$with_gcc" = yes; then |
82e23236 AO |
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$libdir' | |
294 | hardcode_libdir_separator= | |
295 | fi | |
296 | esac | |
297 | shared_flag='-shared' | |
298 | else | |
299 | # not using gcc | |
300 | if test "$host_cpu" = ia64; then | |
301 | shared_flag='${wl}-G' | |
4f4caf92 | 302 | else |
82e23236 | 303 | shared_flag='${wl}-bM:SRE' |
4f4caf92 | 304 | fi |
82e23236 AO |
305 | fi |
306 | ||
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 | |
898c7238 AO |
311 | if test $with_gnu_ld = no; then |
312 | exp_sym_flag='-Bexport' | |
313 | no_entry_flag="" | |
314 | fi | |
4f4caf92 | 315 | else |
82e23236 AO |
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 $ld_flag = "-Wl,-brtl" ); then | |
321 | aix_use_runtimelinking=yes | |
322 | break | |
323 | fi | |
324 | done | |
325 | exp_sym_flag='-bexport' | |
326 | no_entry_flag='-bnoentry' | |
4f4caf92 | 327 | fi |
7ca0e6d9 DE |
328 | # -bexpall does not export symbols beginning with underscore (_) |
329 | always_export_symbols=yes | |
82e23236 AO |
330 | if test "$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 | |
898c7238 AO |
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" | |
342 | fi | |
82e23236 AO |
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' | |
353 | fi | |
354 | fi | |
7ca0e6d9 | 355 | ;; |
4f4caf92 AO |
356 | |
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 | |
363 | ;; | |
364 | ||
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' | |
82e23236 | 380 | fix_srcfile_path='`cygpath -w "$srcfile"`' |
4f4caf92 AO |
381 | ;; |
382 | ||
43d8d958 AT |
383 | darwin* | rhapsody*) |
384 | case "$host_os" in | |
385 | rhapsody* | darwin1.[[012]]) | |
386 | allow_undefined_flag='-undefined suppress' | |
387 | ;; | |
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' | |
395 | ;; | |
396 | 10.*) | |
397 | allow_undefined_flag='-undefined dynamic_lookup' | |
398 | ;; | |
399 | esac | |
400 | fi | |
401 | ;; | |
402 | esac | |
403 | # Disable shared library build on OS-X older than 10.3. | |
404 | case $host_os in | |
405 | darwin[1-6]*) | |
406 | can_build_shared=no | |
407 | ;; | |
408 | darwin7*) | |
409 | can_build_shared=yes | |
410 | ;; | |
411 | esac | |
412 | output_verbose_link_cmd='echo' | |
413 | archive_cmds='$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 ${lib}' | |
419 | hardcode_direct=no | |
420 | hardcode_automatic=yes | |
421 | hardcode_shlibpath_var=unsupported | |
186abafe | 422 | whole_archive_flag_spec='' |
43d8d958 | 423 | link_all_deplibs=yes |
4f4caf92 AO |
424 | ;; |
425 | ||
43d8d958 AT |
426 | freebsd1*) |
427 | ld_shlibs=no | |
428 | ;; | |
429 | ||
4f4caf92 AO |
430 | # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor |
431 | # support. Future versions do this automatically, but an explicit c++rt0.o | |
432 | # does not break anything, and helps significantly (at the cost of a little | |
433 | # extra space). | |
434 | freebsd2.2*) | |
435 | archive_cmds='$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 | |
439 | ;; | |
440 | ||
441 | # Unfortunately, older versions of FreeBSD 2 do not have this feature. | |
442 | freebsd2*) | |
443 | archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' | |
444 | hardcode_direct=yes | |
445 | hardcode_minus_L=yes | |
446 | hardcode_shlibpath_var=no | |
447 | ;; | |
448 | ||
449 | # FreeBSD 3 and greater uses gcc -shared to do shared libraries. | |
80dc6aa0 | 450 | freebsd* | kfreebsd*-gnu) |
4f4caf92 AO |
451 | archive_cmds='$CC -shared -o $lib $libobjs $deplibs $compiler_flags' |
452 | hardcode_libdir_flag_spec='-R$libdir' | |
453 | hardcode_direct=yes | |
454 | hardcode_shlibpath_var=no | |
455 | ;; | |
456 | ||
457 | hpux9* | hpux10* | hpux11*) | |
f5cc59a7 AO |
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' ;; | |
464 | *) | |
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 $linker_flags' ;; | |
474 | esac | |
475 | fi | |
476 | hardcode_libdir_flag_spec='${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. | |
480 | ;; | |
481 | esac | |
4f4caf92 | 482 | export_dynamic_flag_spec='${wl}-E' |
f5cc59a7 | 483 | hardcode_direct=yes |
4f4caf92 AO |
484 | ;; |
485 | ||
486 | irix5* | irix6*) | |
487 | if test "$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 $lib' | |
491 | fi | |
492 | hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' | |
493 | hardcode_libdir_separator=: | |
494 | link_all_deplibs=yes | |
495 | ;; | |
496 | ||
80dc6aa0 | 497 | netbsd* | knetbsd*-gnu) |
4f4caf92 AO |
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 $linker_flags' # ELF | |
502 | fi | |
82e23236 AO |
503 | hardcode_libdir_flag_spec='-R$libdir' |
504 | hardcode_direct=yes | |
505 | hardcode_shlibpath_var=no | |
506 | ;; | |
507 | ||
508 | newsos6) | |
509 | archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts' | |
4f4caf92 | 510 | hardcode_direct=yes |
82e23236 AO |
511 | hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' |
512 | hardcode_libdir_separator=: | |
4f4caf92 AO |
513 | hardcode_shlibpath_var=no |
514 | ;; | |
515 | ||
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 | |
521 | ;; | |
522 | ||
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' | |
529 | ;; | |
530 | ||
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 $lib' | |
538 | fi | |
539 | hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' | |
540 | hardcode_libdir_separator=: | |
541 | ;; | |
542 | ||
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 $lib' | |
75b9074c | 547 | hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' |
4f4caf92 AO |
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' | |
82e23236 AO |
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' | |
75b9074c AO |
553 | |
554 | # cc supports -rpath directly | |
555 | hardcode_libdir_flag_spec='-rpath $libdir' | |
4f4caf92 | 556 | fi |
4f4caf92 AO |
557 | hardcode_libdir_separator=: |
558 | ;; | |
559 | ||
560 | sco3.2v5*) | |
561 | archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' | |
562 | hardcode_shlibpath_var=no | |
563 | runpath_var=LD_RUN_PATH | |
564 | hardcode_runpath_var=yes | |
565 | ;; | |
566 | ||
567 | solaris*) | |
75b9074c | 568 | no_undefined_flag=' -z defs' |
066bd40d MM |
569 | if test "$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 $lib.exp' | |
577 | fi | |
4f4caf92 AO |
578 | hardcode_libdir_flag_spec='-R$libdir' |
579 | hardcode_shlibpath_var=no | |
82e23236 | 580 | case $host_os in |
4f4caf92 AO |
581 | solaris2.[0-5] | solaris2.[0-5].*) ;; |
582 | *) # Supported since Solaris 2.6 (maybe 2.5.1?) | |
583 | whole_archive_flag_spec='-z allextract$convenience -z defaultextract' ;; | |
584 | esac | |
585 | link_all_deplibs=yes | |
586 | ;; | |
587 | ||
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 | |
594 | ;; | |
595 | ||
596 | sysv4) | |
597 | archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' | |
598 | runpath_var='LD_RUN_PATH' | |
599 | hardcode_shlibpath_var=no | |
600 | hardcode_direct=no #Motorola manual says yes, but my tests say they lie | |
601 | ;; | |
602 | ||
603 | sysv4.3*) | |
604 | archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' | |
605 | hardcode_shlibpath_var=no | |
606 | export_dynamic_flag_spec='-Bexport' | |
607 | ;; | |
608 | ||
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 $lib.exp' | |
616 | hardcode_libdir_flag_spec= | |
617 | hardcode_shlibpath_var=no | |
618 | runpath_var='LD_RUN_PATH' | |
619 | ;; | |
620 | ||
621 | uts4*) | |
622 | archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' | |
623 | hardcode_libdir_flag_spec='-L$libdir' | |
624 | hardcode_shlibpath_var=no | |
625 | ;; | |
626 | ||
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 | |
631 | ;; | |
632 | ||
633 | sysv4*MP*) | |
634 | if test -d /usr/nec; then | |
635 | archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' | |
636 | hardcode_shlibpath_var=no | |
637 | runpath_var=LD_RUN_PATH | |
638 | hardcode_runpath_var=yes | |
639 | ld_shlibs=yes | |
640 | fi | |
641 | ;; | |
642 | ||
643 | sysv4.2uw2*) | |
644 | archive_cmds='$LD -G -o $lib $libobjs $deplibs $linker_flags' | |
645 | hardcode_direct=yes | |
646 | hardcode_minus_L=no | |
647 | hardcode_shlibpath_var=no | |
648 | hardcode_runpath_var=yes | |
649 | runpath_var=LD_RUN_PATH | |
650 | ;; | |
651 | ||
33456445 AO |
652 | sysv5uw7* | unixware7*) |
653 | no_undefined_flag='${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 $compiler_flags' | |
658 | fi | |
4f4caf92 AO |
659 | runpath_var='LD_RUN_PATH' |
660 | hardcode_shlibpath_var=no | |
661 | ;; | |
662 | ||
663 | *) | |
664 | ld_shlibs=no | |
665 | ;; | |
666 | esac | |
667 | fi | |
668 | ||
669 | ## Compiler Characteristics: PIC flags, static flags, etc | |
670 | if test "X${ac_cv_prog_cc_pic+set}" = Xset; then | |
89820b43 | 671 | : |
4f4caf92 AO |
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=$can_build_shared | |
679 | ||
680 | if test "$with_gcc" = yes; then | |
681 | ac_cv_prog_cc_wl='-Wl,' | |
682 | ac_cv_prog_cc_static='-static' | |
683 | ||
82e23236 | 684 | case $host_os in |
4f4caf92 | 685 | aix*) |
82e23236 AO |
686 | # All AIX code is PIC. |
687 | if test "$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' | |
692 | fi | |
976b230d | 693 | ;; |
75b9074c AO |
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' | |
699 | ;; | |
700 | beos* | irix5* | irix6* | osf3* | osf4* | osf5*) | |
701 | # PIC is the default for these OSes. | |
b6b14b1b | 702 | ;; |
4f4caf92 AO |
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' | |
707 | ;; | |
75b9074c AO |
708 | darwin* | rhapsody*) |
709 | # PIC is the default on this platform | |
710 | # Common symbols not allowed in MH_DYLIB files | |
43d8d958 | 711 | ac_cv_prog_cc_pic='-fno-common' |
75b9074c AO |
712 | ;; |
713 | *djgpp*) | |
714 | # DJGPP does not support shared libraries at all | |
715 | ac_cv_prog_cc_pic= | |
4f4caf92 AO |
716 | ;; |
717 | sysv4*MP*) | |
718 | if test -d /usr/nec; then | |
719 | ac_cv_prog_cc_pic=-Kconform_pic | |
720 | fi | |
721 | ;; | |
722 | *) | |
723 | ac_cv_prog_cc_pic='-fPIC' | |
724 | ;; | |
725 | esac | |
726 | else | |
727 | # PORTME Check for PIC flags for the system compiler. | |
82e23236 AO |
728 | case $host_os in |
729 | aix*) | |
4f4caf92 | 730 | # All AIX code is PIC. |
82e23236 | 731 | ac_cv_prog_cc_static="$ac_cv_prog_cc_static ${ac_cv_prog_cc_wl}-lC" |
4f4caf92 AO |
732 | ;; |
733 | ||
734 | hpux9* | hpux10* | hpux11*) | |
735 | # Is there a better ac_cv_prog_cc_static that works with the bundled CC? | |
736 | ac_cv_prog_cc_wl='-Wl,' | |
737 | ac_cv_prog_cc_static="${ac_cv_prog_cc_wl}-a ${ac_cv_prog_cc_wl}archive" | |
738 | ac_cv_prog_cc_pic='+Z' | |
739 | ;; | |
740 | ||
741 | irix5* | irix6*) | |
742 | ac_cv_prog_cc_wl='-Wl,' | |
743 | ac_cv_prog_cc_static='-non_shared' | |
744 | # PIC (with -KPIC) is the default. | |
745 | ;; | |
746 | ||
747 | cygwin* | mingw* | os2*) | |
748 | # This hack is so that the source file can tell whether it is being | |
749 | # built for inclusion in a dll (and should export symbols for example). | |
750 | ac_cv_prog_cc_pic='-DDLL_EXPORT' | |
751 | ;; | |
752 | ||
82e23236 AO |
753 | newsos6) |
754 | ac_cv_prog_cc_pic='-KPIC' | |
755 | ac_cv_prog_cc_static='-Bstatic' | |
756 | ;; | |
757 | ||
4f4caf92 AO |
758 | osf3* | osf4* | osf5*) |
759 | # All OSF/1 code is PIC. | |
760 | ac_cv_prog_cc_wl='-Wl,' | |
761 | ac_cv_prog_cc_static='-non_shared' | |
762 | ;; | |
763 | ||
764 | sco3.2v5*) | |
765 | ac_cv_prog_cc_pic='-Kpic' | |
766 | ac_cv_prog_cc_static='-dn' | |
767 | ac_cv_prog_cc_shlib='-belf' | |
768 | ;; | |
769 | ||
770 | solaris*) | |
771 | ac_cv_prog_cc_pic='-KPIC' | |
772 | ac_cv_prog_cc_static='-Bstatic' | |
773 | ac_cv_prog_cc_wl='-Wl,' | |
774 | ;; | |
775 | ||
776 | sunos4*) | |
777 | ac_cv_prog_cc_pic='-PIC' | |
778 | ac_cv_prog_cc_static='-Bstatic' | |
779 | ac_cv_prog_cc_wl='-Qoption ld ' | |
780 | ;; | |
781 | ||
782 | sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*) | |
783 | ac_cv_prog_cc_pic='-KPIC' | |
784 | ac_cv_prog_cc_static='-Bstatic' | |
785 | ac_cv_prog_cc_wl='-Wl,' | |
786 | ;; | |
787 | ||
788 | uts4*) | |
789 | ac_cv_prog_cc_pic='-pic' | |
790 | ac_cv_prog_cc_static='-Bstatic' | |
791 | ;; | |
792 | ||
793 | sysv4*MP*) | |
794 | if test -d /usr/nec ;then | |
795 | ac_cv_prog_cc_pic='-Kconform_pic' | |
796 | ac_cv_prog_cc_static='-Bstatic' | |
797 | fi | |
798 | ;; | |
799 | ||
800 | *) | |
801 | ac_cv_prog_cc_can_build_shared=no | |
802 | ;; | |
803 | esac | |
804 | fi | |
b6b14b1b AO |
805 | case "$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= | |
810 | ;; | |
811 | *) | |
812 | ac_cv_prog_cc_pic="$ac_cv_prog_cc_pic -DPIC" | |
813 | ;; | |
814 | esac | |
4f4caf92 AO |
815 | fi |
816 | ||
817 | need_lc=yes | |
818 | if test "$enable_shared" = yes && test "$with_gcc" = yes; then | |
82e23236 | 819 | case $archive_cmds in |
4f4caf92 AO |
820 | *'~'*) |
821 | # FIXME: we may have to deal with multi-command sequences. | |
822 | ;; | |
823 | '$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. | |
89820b43 | 827 | echo $ac_n "checking whether -lc should be explicitly linked in... $ac_c" 1>&6 |
4f4caf92 AO |
828 | if eval "test \"`echo '$''{'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 | |
89820b43 | 834 | if { (eval echo ltcf-c.sh:need_lc: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; }; then |
4f4caf92 AO |
835 | # Append any warnings to the config.log. |
836 | cat conftest.err 1>&5 | |
837 | soname=conftest | |
838 | lib=conftest | |
898c7238 | 839 | libobjs=conftest.$objext |
4f4caf92 | 840 | deplibs= |
89820b43 | 841 | wl=$ac_cv_prog_cc_wl |
4f4caf92 AO |
842 | compiler_flags=-v |
843 | linker_flags=-v | |
844 | verstring= | |
845 | output_objdir=. | |
846 | libname=conftest | |
06298abd | 847 | save_allow_undefined_flag=$allow_undefined_flag |
4f4caf92 | 848 | allow_undefined_flag= |
89820b43 | 849 | if { (eval echo ltcf-c.sh:need_lc: \"$archive_cmds\") 1>&5; (eval $archive_cmds) 2>&1 | grep " -lc " 1>&5 ; }; then |
4f4caf92 AO |
850 | need_lc=no |
851 | fi | |
06298abd | 852 | allow_undefined_flag=$save_allow_undefined_flag |
4f4caf92 AO |
853 | else |
854 | cat conftest.err 1>&5 | |
855 | fi | |
856 | fi | |
857 | $rm conftest* | |
858 | echo "$ac_t$need_lc" 1>&6 | |
859 | ;; | |
860 | esac | |
861 | fi | |
862 | ac_cv_archive_cmds_needs_lc=$need_lc |