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6cf86f7f AO |
1 | #### This script is meant to be sourced by ltconfig. |
2 | ||
6cf86f7f AO |
3 | # ltcf-c.sh - Create a C compiler specific configuration |
4 | # | |
7487e485 | 5 | # Copyright (C) 1996-2000, 2001 Free Software Foundation, Inc. |
6cf86f7f 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 | |
469b781c | 41 | case $host_os in |
6cf86f7f AO |
42 | cygwin* | mingw*) |
43 | # FIXME: the MSVC++ port hasn't been tested in a loooong time | |
44 | # When not using gcc, we currently assume that we are using | |
45 | # Microsoft Visual C++. | |
46 | if test "$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. | |
469b781c AO |
59 | case $host_os in |
60 | aix3* | aix4* | aix5*) | |
6cf86f7f AO |
61 | # On AIX, the GNU linker is very broken |
62 | ld_shlibs=no | |
63 | cat <<EOF 1>&2 | |
64 | ||
65 | *** Warning: the GNU linker, at least up to release 2.9.1, is reported | |
66 | *** to be unable to reliably create shared libraries on AIX. | |
67 | *** Therefore, libtool is disabling shared libraries support. If you | |
68 | *** really care for shared libraries, you may want to modify your PATH | |
69 | *** so that a non-GNU linker is found, and then restart. | |
70 | ||
71 | EOF | |
72 | ;; | |
73 | ||
74 | amigaos*) | |
75 | archive_cmds='$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 $output_objdir && a2ixlibrary -32)' | |
76 | hardcode_libdir_flag_spec='-L$libdir' | |
77 | hardcode_minus_L=yes | |
78 | ||
79 | # Samuel A. Falvo II <kc5tja@dolphin.openprojects.net> reports | |
80 | # that the semantics of dynamic libraries on AmigaOS, at least up | |
81 | # to version 4, is to share data among multiple programs linked | |
82 | # with the same dynamic library. Since this doesn't match the | |
83 | # behavior of shared libraries on other platforms, we can use | |
84 | # them. | |
85 | ld_shlibs=no | |
86 | ;; | |
87 | ||
88 | beos*) | |
89 | if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then | |
90 | allow_undefined_flag=unsupported | |
91 | # Joseph Beckenbach <jrb3@best.com> says some releases of gcc | |
92 | # support --undefined. This deserves some investigation. FIXME | |
103a2e99 | 93 | archive_cmds='$CC -nostart $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' |
6cf86f7f AO |
94 | else |
95 | ld_shlibs=no | |
96 | fi | |
97 | ;; | |
98 | ||
99 | cygwin* | mingw*) | |
100 | # hardcode_libdir_flag_spec is actually meaningless, as there is | |
101 | # no search path for DLLs. | |
102 | hardcode_libdir_flag_spec='-L$libdir' | |
103 | allow_undefined_flag=unsupported | |
104 | always_export_symbols=yes | |
105 | ||
106 | extract_expsyms_cmds='test -f $output_objdir/impgen.c || \ | |
107 | sed -e "/^# \/\* impgen\.c starts here \*\//,/^# \/\* impgen.c ends here \*\// { s/^# //; p; }" -e d < $0 > $output_objdir/impgen.c~ | |
108 | test -f $output_objdir/impgen.exe || (cd $output_objdir && \ | |
109 | if test "x$HOST_CC" != "x" ; then $HOST_CC -o impgen impgen.c ; \ | |
110 | else $CC -o impgen impgen.c ; fi)~ | |
111 | $output_objdir/impgen $dir/$soname > $output_objdir/$soname-def' | |
112 | ||
113 | old_archive_from_expsyms_cmds='$DLLTOOL --as=$AS --dllname $soname --def $output_objdir/$soname-def --output-lib $output_objdir/$newlib' | |
114 | ||
115 | # cygwin and mingw dlls have different entry points and sets of symbols | |
116 | # to exclude. | |
117 | # FIXME: what about values for MSVC? | |
118 | dll_entry=__cygwin_dll_entry@12 | |
119 | dll_exclude_symbols=DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12~ | |
469b781c | 120 | case $host_os in |
6cf86f7f AO |
121 | mingw*) |
122 | # mingw values | |
123 | dll_entry=_DllMainCRTStartup@12 | |
124 | dll_exclude_symbols=DllMain@12,DllMainCRTStartup@12,DllEntryPoint@12~ | |
125 | ;; | |
126 | esac | |
127 | ||
128 | # mingw and cygwin differ, and it's simplest to just exclude the union | |
129 | # of the two symbol sets. | |
130 | dll_exclude_symbols=DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12,DllMainCRTStartup@12,DllEntryPoint@12 | |
131 | ||
132 | # recent cygwin and mingw systems supply a stub DllMain which the user | |
133 | # can override, but on older systems we have to supply one (in ltdll.c) | |
134 | if test "x$lt_cv_need_dllmain" = "xyes"; then | |
135 | ltdll_obj='$output_objdir/$soname-ltdll.'"$objext " | |
136 | 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~ | |
137 | test -f $output_objdir/$soname-ltdll.$objext || (cd $output_objdir && $CC -c $soname-ltdll.c)~' | |
138 | else | |
139 | ltdll_obj= | |
140 | ltdll_cmds= | |
141 | fi | |
142 | ||
143 | # Extract the symbol export list from an `--export-all' def file, | |
144 | # then regenerate the def file from the symbol export list, so that | |
145 | # the compiled dll only exports the symbol export list. | |
146 | # Be careful not to strip the DATA tag left be newer dlltools. | |
147 | export_symbols_cmds="$ltdll_cmds"' | |
148 | $DLLTOOL --export-all --exclude-symbols '$dll_exclude_symbols' --output-def $output_objdir/$soname-def '$ltdll_obj'$libobjs $convenience~ | |
149 | sed -e "1,/EXPORTS/d" -e "s/ @ [0-9]*//" -e "s/ *;.*$//" < $output_objdir/$soname-def > $export_symbols' | |
150 | ||
469b781c AO |
151 | # If the export-symbols file already is a .def file (1st line |
152 | # is EXPORTS), use it as is. | |
6cf86f7f | 153 | # If DATA tags from a recent dlltool are present, honour them! |
469b781c AO |
154 | archive_expsym_cmds='if test "x`head -1 $export_symbols`" = xEXPORTS; then |
155 | cp $export_symbols $output_objdir/$soname-def; | |
156 | else | |
157 | echo EXPORTS > $output_objdir/$soname-def; | |
158 | _lt_hint=1; | |
159 | cat $export_symbols | while read symbol; do | |
160 | set dummy \$symbol; | |
161 | case \[$]# in | |
162 | 2) echo " \[$]2 @ \$_lt_hint ; " >> $output_objdir/$soname-def;; | |
163 | *) echo " \[$]2 @ \$_lt_hint \[$]3 ; " >> $output_objdir/$soname-def;; | |
164 | esac; | |
165 | _lt_hint=`expr 1 + \$_lt_hint`; | |
166 | done; | |
167 | fi~ | |
6cf86f7f AO |
168 | '"$ltdll_cmds"' |
169 | $CC -Wl,--base-file,$output_objdir/$soname-base '$lt_cv_cc_dll_switch' -Wl,-e,'$dll_entry' -o $lib '$ltdll_obj'$libobjs $deplibs $compiler_flags~ | |
170 | $DLLTOOL --as=$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~ | |
171 | $CC -Wl,--base-file,$output_objdir/$soname-base $output_objdir/$soname-exp '$lt_cv_cc_dll_switch' -Wl,-e,'$dll_entry' -o $lib '$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 $output_objdir/$soname-exp '$lt_cv_cc_dll_switch' -Wl,-e,'$dll_entry' -o $lib '$ltdll_obj'$libobjs $deplibs $compiler_flags' | |
174 | ;; | |
175 | ||
469b781c AO |
176 | darwin*|rhapsody*) |
177 | allow_undefined_flag='-undefined warning' | |
178 | archive_cmds='$CC $(if test "$module" = "yes"; then echo -bundle; else | |
179 | echo -dynamiclib; fi) -o $lib $libobjs $deplibs $linkopts' | |
180 | archive_expsym_cmds="$archive_cmds"' && strip -s $export_symbols' | |
181 | ## What we need is to hardcode the path to the library, not the search path | |
182 | #hardcode_direct=yes | |
183 | #hardcode_libdir_flag_spec='-install_name $libdir/$lib' | |
184 | hardcode_shlibpath_var=no | |
185 | whole_archive_flag_spec='-all_load' | |
186 | ;; | |
187 | ||
6cf86f7f AO |
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 $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' | |
194 | archive_expsym_cmds='$CC -shared $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 | ||
210 | EOF | |
211 | elif $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then | |
103a2e99 AO |
212 | archive_cmds='$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 $lib' | |
6cf86f7f AO |
214 | else |
215 | ld_shlibs=no | |
216 | fi | |
217 | ;; | |
218 | ||
219 | sunos4*) | |
220 | archive_cmds='$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 | |
103a2e99 AO |
238 | hardcode_libdir_flag_spec='${wl}--rpath ${wl}$libdir' |
239 | export_dynamic_flag_spec='${wl}--export-dynamic' | |
6cf86f7f AO |
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 | |
255 | else | |
256 | # PORTME fill in a description of your system's linker (not GNU ld) | |
469b781c | 257 | case $host_os in |
6cf86f7f AO |
258 | aix3*) |
259 | allow_undefined_flag=unsupported | |
260 | always_export_symbols=yes | |
261 | archive_expsym_cmds='$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 | ||
469b781c AO |
272 | aix4* | aix5*) |
273 | hardcode_direct=yes | |
6cf86f7f | 274 | hardcode_libdir_separator=':' |
469b781c AO |
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. | |
6cf86f7f | 281 | if test "$with_gcc" = yes; then |
469b781c AO |
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$libdir' | |
299 | hardcode_libdir_separator= | |
300 | fi | |
301 | esac | |
6cf86f7f AO |
302 | shared_flag='-shared' |
303 | else | |
469b781c AO |
304 | # not using gcc |
305 | if test "$host_cpu" = ia64; then | |
306 | shared_flag='${wl}-G' | |
307 | else | |
308 | shared_flag='${wl}-bM:SRE' | |
309 | fi | |
6cf86f7f | 310 | fi |
7487e485 | 311 | |
469b781c AO |
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 | exp_sym_flag='-Bexport' | |
317 | no_entry_flag="" | |
318 | else | |
319 | # Test if we are trying to use run time linking, or normal AIX style linking. | |
320 | # If -brtl is somewhere in LDFLAGS, we need to do run time linking. | |
321 | aix_use_runtimelinking=no | |
322 | for ld_flag in $LDFLAGS; do | |
323 | if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl" ); then | |
324 | aix_use_runtimelinking=yes | |
325 | break | |
326 | fi | |
327 | done | |
328 | exp_sym_flag='-bexport' | |
329 | no_entry_flag='-bnoentry' | |
330 | fi | |
331 | # -bexpall does not export symbols beginning with underscore (_) | |
332 | always_export_symbols=yes | |
333 | if test "$aix_use_runtimelinking" = yes; then | |
334 | # Warning - without using the other run time loading flags (-brtl), -berok will | |
335 | # link without error, but may produce a broken library. | |
336 | allow_undefined_flag=' ${wl}-berok' | |
337 | hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:/usr/lib:/lib' | |
338 | archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs $compiler_flags ${allow_undefined_flag} '"\${wl}$no_entry_flag \${wl}$exp_sym_flag:\$export_symbols" | |
339 | else | |
340 | if test "$host_cpu" = ia64; then | |
341 | hardcode_libdir_flag_spec='${wl}-R $libdir:/usr/lib:/lib' | |
342 | allow_undefined_flag="-z nodefs" | |
343 | 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" | |
344 | else | |
345 | allow_undefined_flag=' ${wl}-berok' | |
346 | # -bexpall does not export symbols beginning with underscore (_) | |
347 | always_export_symbols=yes | |
348 | # Exported symbols can be pulled into shared objects from archives | |
349 | whole_archive_flag_spec=' ' | |
350 | build_libtool_need_lc=yes | |
351 | hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:/usr/lib:/lib' | |
352 | # This is similar to how AIX traditionally builds it's shared libraries. | |
353 | 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' | |
354 | fi | |
355 | fi | |
356 | ;; | |
6cf86f7f AO |
357 | |
358 | amigaos*) | |
359 | 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 $output_objdir && a2ixlibrary -32)' | |
360 | hardcode_libdir_flag_spec='-L$libdir' | |
361 | hardcode_minus_L=yes | |
362 | # see comment about different semantics on the GNU ld section | |
363 | ld_shlibs=no | |
364 | ;; | |
365 | ||
366 | cygwin* | mingw*) | |
367 | # When not using gcc, we currently assume that we are using | |
368 | # Microsoft Visual C++. | |
369 | # hardcode_libdir_flag_spec is actually meaningless, as there is | |
370 | # no search path for DLLs. | |
371 | hardcode_libdir_flag_spec=' ' | |
372 | allow_undefined_flag=unsupported | |
373 | # Tell ltmain to make .lib files, not .a files. | |
374 | libext=lib | |
375 | # FIXME: Setting linknames here is a bad hack. | |
376 | archive_cmds='$CC -o $lib $libobjs $compiler_flags `echo "$deplibs" | sed -e '\''s/ -lc$//'\''` -link -dll~linknames=' | |
377 | # The linker will automatically build a .lib file if we build a DLL. | |
378 | old_archive_from_new_cmds='true' | |
379 | # FIXME: Should let the user specify the lib program. | |
380 | old_archive_cmds='lib /OUT:$oldlib$oldobjs$old_deplibs' | |
469b781c | 381 | fix_srcfile_path='`cygpath -w "$srcfile"`' |
6cf86f7f AO |
382 | ;; |
383 | ||
384 | freebsd1*) | |
385 | ld_shlibs=no | |
386 | ;; | |
387 | ||
388 | # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor | |
389 | # support. Future versions do this automatically, but an explicit c++rt0.o | |
390 | # does not break anything, and helps significantly (at the cost of a little | |
391 | # extra space). | |
392 | freebsd2.2*) | |
393 | archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o' | |
394 | hardcode_libdir_flag_spec='-R$libdir' | |
395 | hardcode_direct=yes | |
396 | hardcode_shlibpath_var=no | |
397 | ;; | |
398 | ||
399 | # Unfortunately, older versions of FreeBSD 2 do not have this feature. | |
400 | freebsd2*) | |
401 | archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' | |
402 | hardcode_direct=yes | |
403 | hardcode_minus_L=yes | |
404 | hardcode_shlibpath_var=no | |
405 | ;; | |
406 | ||
407 | # FreeBSD 3 and greater uses gcc -shared to do shared libraries. | |
408 | freebsd*) | |
409 | archive_cmds='$CC -shared -o $lib $libobjs $deplibs $compiler_flags' | |
410 | hardcode_libdir_flag_spec='-R$libdir' | |
411 | hardcode_direct=yes | |
412 | hardcode_shlibpath_var=no | |
413 | ;; | |
414 | ||
415 | hpux9* | hpux10* | hpux11*) | |
469b781c | 416 | case $host_os in |
6cf86f7f AO |
417 | hpux9*) archive_cmds='$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 $lib' ;; |
418 | *) archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags' ;; | |
419 | esac | |
420 | hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir' | |
421 | hardcode_libdir_separator=: | |
422 | hardcode_direct=yes | |
423 | hardcode_minus_L=yes # Not in the search PATH, but as the default | |
424 | # location of the library. | |
425 | export_dynamic_flag_spec='${wl}-E' | |
426 | ;; | |
427 | ||
428 | irix5* | irix6*) | |
429 | if test "$with_gcc" = yes; then | |
430 | 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 $lib' | |
431 | else | |
432 | archive_cmds='$LD -shared $libobjs $deplibs $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib' | |
433 | fi | |
434 | hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' | |
435 | hardcode_libdir_separator=: | |
436 | link_all_deplibs=yes | |
437 | ;; | |
438 | ||
439 | netbsd*) | |
440 | if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then | |
441 | archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' # a.out | |
442 | else | |
443 | archive_cmds='$LD -shared -o $lib $libobjs $deplibs $linker_flags' # ELF | |
444 | fi | |
469b781c | 445 | hardcode_libdir_flag_spec='-R$libdir' |
6cf86f7f AO |
446 | hardcode_direct=yes |
447 | hardcode_shlibpath_var=no | |
448 | ;; | |
449 | ||
469b781c AO |
450 | newsos6) |
451 | archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts' | |
452 | hardcode_direct=yes | |
453 | hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' | |
454 | hardcode_libdir_separator=: | |
455 | hardcode_shlibpath_var=no | |
456 | ;; | |
457 | ||
6cf86f7f AO |
458 | openbsd*) |
459 | archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' | |
460 | hardcode_libdir_flag_spec='-R$libdir' | |
461 | hardcode_direct=yes | |
462 | hardcode_shlibpath_var=no | |
463 | ;; | |
464 | ||
465 | os2*) | |
466 | hardcode_libdir_flag_spec='-L$libdir' | |
467 | hardcode_minus_L=yes | |
468 | allow_undefined_flag=unsupported | |
469 | archive_cmds='$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' | |
470 | old_archive_from_new_cmds='emximp -o $output_objdir/$libname.a $output_objdir/$libname.def' | |
471 | ;; | |
472 | ||
473 | osf3*) | |
474 | if test "$with_gcc" = yes; then | |
475 | allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*' | |
476 | archive_cmds='$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 $lib' | |
477 | else | |
478 | allow_undefined_flag=' -expect_unresolved \*' | |
479 | archive_cmds='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib' | |
480 | fi | |
481 | hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' | |
482 | hardcode_libdir_separator=: | |
483 | ;; | |
484 | ||
485 | osf4* | osf5*) # as osf3* with the addition of -msym flag | |
486 | if test "$with_gcc" = yes; then | |
487 | allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*' | |
488 | archive_cmds='$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 $lib' | |
489 | else | |
490 | allow_undefined_flag=' -expect_unresolved \*' | |
491 | archive_cmds='$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' | |
469b781c AO |
492 | archive_expsym_cmds='for i in `cat $export_symbols`; do printf "-exported_symbol " >> $lib.exp; echo "\$i" >> $lib.exp; done; echo "-hidden">> $lib.exp~ |
493 | $LD -shared${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' | |
6cf86f7f | 494 | fi |
469b781c | 495 | hardcode_libdir_flag_spec='-rpath $libdir' |
6cf86f7f AO |
496 | hardcode_libdir_separator=: |
497 | ;; | |
498 | ||
499 | sco3.2v5*) | |
500 | archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' | |
501 | hardcode_shlibpath_var=no | |
502 | runpath_var=LD_RUN_PATH | |
503 | hardcode_runpath_var=yes | |
504 | ;; | |
505 | ||
506 | solaris*) | |
507 | no_undefined_flag=' -z text' | |
508 | # $CC -shared without GNU ld will not create a library from C++ | |
509 | # object files and a static libstdc++, better avoid it by now | |
510 | archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags' | |
511 | archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~ | |
512 | $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$rm $lib.exp' | |
513 | hardcode_libdir_flag_spec='-R$libdir' | |
514 | hardcode_shlibpath_var=no | |
469b781c | 515 | case $host_os in |
6cf86f7f AO |
516 | solaris2.[0-5] | solaris2.[0-5].*) ;; |
517 | *) # Supported since Solaris 2.6 (maybe 2.5.1?) | |
518 | whole_archive_flag_spec='-z allextract$convenience -z defaultextract' ;; | |
519 | esac | |
520 | link_all_deplibs=yes | |
521 | ;; | |
522 | ||
523 | sunos4*) | |
524 | archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags' | |
525 | hardcode_libdir_flag_spec='-L$libdir' | |
526 | hardcode_direct=yes | |
527 | hardcode_minus_L=yes | |
528 | hardcode_shlibpath_var=no | |
529 | ;; | |
530 | ||
531 | sysv4) | |
532 | archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' | |
533 | runpath_var='LD_RUN_PATH' | |
534 | hardcode_shlibpath_var=no | |
535 | hardcode_direct=no #Motorola manual says yes, but my tests say they lie | |
536 | ;; | |
537 | ||
538 | sysv4.3*) | |
539 | archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' | |
540 | hardcode_shlibpath_var=no | |
541 | export_dynamic_flag_spec='-Bexport' | |
542 | ;; | |
543 | ||
544 | sysv5*) | |
545 | no_undefined_flag=' -z text' | |
546 | # $CC -shared without GNU ld will not create a library from C++ | |
547 | # object files and a static libstdc++, better avoid it by now | |
548 | archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags' | |
549 | archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~ | |
550 | $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$rm $lib.exp' | |
551 | hardcode_libdir_flag_spec= | |
552 | hardcode_shlibpath_var=no | |
553 | runpath_var='LD_RUN_PATH' | |
554 | ;; | |
555 | ||
556 | uts4*) | |
557 | archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' | |
558 | hardcode_libdir_flag_spec='-L$libdir' | |
559 | hardcode_shlibpath_var=no | |
560 | ;; | |
561 | ||
562 | dgux*) | |
563 | archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' | |
564 | hardcode_libdir_flag_spec='-L$libdir' | |
565 | hardcode_shlibpath_var=no | |
566 | ;; | |
567 | ||
568 | sysv4*MP*) | |
569 | if test -d /usr/nec; then | |
570 | archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' | |
571 | hardcode_shlibpath_var=no | |
572 | runpath_var=LD_RUN_PATH | |
573 | hardcode_runpath_var=yes | |
574 | ld_shlibs=yes | |
575 | fi | |
576 | ;; | |
577 | ||
578 | sysv4.2uw2*) | |
579 | archive_cmds='$LD -G -o $lib $libobjs $deplibs $linker_flags' | |
580 | hardcode_direct=yes | |
581 | hardcode_minus_L=no | |
582 | hardcode_shlibpath_var=no | |
583 | hardcode_runpath_var=yes | |
584 | runpath_var=LD_RUN_PATH | |
585 | ;; | |
586 | ||
587 | unixware7*) | |
588 | archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' | |
589 | runpath_var='LD_RUN_PATH' | |
590 | hardcode_shlibpath_var=no | |
591 | ;; | |
592 | ||
593 | *) | |
594 | ld_shlibs=no | |
595 | ;; | |
596 | esac | |
597 | fi | |
598 | ||
599 | ## Compiler Characteristics: PIC flags, static flags, etc | |
600 | if test "X${ac_cv_prog_cc_pic+set}" = Xset; then | |
601 | : | |
602 | else | |
603 | ac_cv_prog_cc_pic= | |
604 | ac_cv_prog_cc_shlib= | |
605 | ac_cv_prog_cc_wl= | |
606 | ac_cv_prog_cc_static= | |
607 | ac_cv_prog_cc_no_builtin= | |
608 | ac_cv_prog_cc_can_build_shared=$can_build_shared | |
609 | ||
610 | if test "$with_gcc" = yes; then | |
611 | ac_cv_prog_cc_wl='-Wl,' | |
612 | ac_cv_prog_cc_static='-static' | |
613 | ||
469b781c | 614 | case $host_os in |
6cf86f7f AO |
615 | beos* | irix5* | irix6* | osf3* | osf4* | osf5*) |
616 | # PIC is the default for these OSes. | |
617 | ;; | |
618 | aix*) | |
469b781c AO |
619 | # All AIX code is PIC. |
620 | if test "$host_cpu" = ia64; then | |
621 | # AIX 5 now supports IA64 processor | |
622 | lt_cv_prog_cc_static='-Bstatic' | |
623 | else | |
624 | lt_cv_prog_cc_static='-bnso -bI:/lib/syscalls.exp' | |
625 | fi | |
6cf86f7f | 626 | ;; |
7389ff65 AO |
627 | *djgpp*) |
628 | # DJGPP does not support shared libraries at all | |
629 | ac_cv_prog_cc_pic= | |
630 | ;; | |
6cf86f7f AO |
631 | cygwin* | mingw* | os2*) |
632 | # This hack is so that the source file can tell whether it is being | |
633 | # built for inclusion in a dll (and should export symbols for example). | |
634 | ac_cv_prog_cc_pic='-DDLL_EXPORT' | |
635 | ;; | |
636 | amigaos*) | |
637 | # FIXME: we need at least 68020 code to build shared libraries, but | |
638 | # adding the `-m68020' flag to GCC prevents building anything better, | |
639 | # like `-m68040'. | |
640 | ac_cv_prog_cc_pic='-m68020 -resident32 -malways-restore-a4' | |
641 | ;; | |
642 | sysv4*MP*) | |
643 | if test -d /usr/nec; then | |
644 | ac_cv_prog_cc_pic=-Kconform_pic | |
645 | fi | |
646 | ;; | |
647 | *) | |
648 | ac_cv_prog_cc_pic='-fPIC' | |
649 | ;; | |
650 | esac | |
651 | else | |
652 | # PORTME Check for PIC flags for the system compiler. | |
469b781c AO |
653 | case $host_os in |
654 | aix*) | |
6cf86f7f | 655 | # All AIX code is PIC. |
469b781c | 656 | ac_cv_prog_cc_static="$ac_cv_prog_cc_static ${ac_cv_prog_cc_wl}-lC" |
6cf86f7f AO |
657 | ;; |
658 | ||
659 | hpux9* | hpux10* | hpux11*) | |
660 | # Is there a better ac_cv_prog_cc_static that works with the bundled CC? | |
661 | ac_cv_prog_cc_wl='-Wl,' | |
662 | ac_cv_prog_cc_static="${ac_cv_prog_cc_wl}-a ${ac_cv_prog_cc_wl}archive" | |
663 | ac_cv_prog_cc_pic='+Z' | |
664 | ;; | |
665 | ||
666 | irix5* | irix6*) | |
667 | ac_cv_prog_cc_wl='-Wl,' | |
668 | ac_cv_prog_cc_static='-non_shared' | |
669 | # PIC (with -KPIC) is the default. | |
670 | ;; | |
671 | ||
672 | cygwin* | mingw* | os2*) | |
673 | # This hack is so that the source file can tell whether it is being | |
674 | # built for inclusion in a dll (and should export symbols for example). | |
675 | ac_cv_prog_cc_pic='-DDLL_EXPORT' | |
676 | ;; | |
677 | ||
469b781c AO |
678 | newsos6) |
679 | ac_cv_prog_cc_pic='-KPIC' | |
680 | ac_cv_prog_cc_static='-Bstatic' | |
681 | ;; | |
682 | ||
6cf86f7f AO |
683 | osf3* | osf4* | osf5*) |
684 | # All OSF/1 code is PIC. | |
685 | ac_cv_prog_cc_wl='-Wl,' | |
686 | ac_cv_prog_cc_static='-non_shared' | |
687 | ;; | |
688 | ||
689 | sco3.2v5*) | |
690 | ac_cv_prog_cc_pic='-Kpic' | |
691 | ac_cv_prog_cc_static='-dn' | |
692 | ac_cv_prog_cc_shlib='-belf' | |
693 | ;; | |
694 | ||
695 | solaris*) | |
696 | ac_cv_prog_cc_pic='-KPIC' | |
697 | ac_cv_prog_cc_static='-Bstatic' | |
698 | ac_cv_prog_cc_wl='-Wl,' | |
699 | ;; | |
700 | ||
701 | sunos4*) | |
702 | ac_cv_prog_cc_pic='-PIC' | |
703 | ac_cv_prog_cc_static='-Bstatic' | |
704 | ac_cv_prog_cc_wl='-Qoption ld ' | |
705 | ;; | |
706 | ||
707 | sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*) | |
708 | ac_cv_prog_cc_pic='-KPIC' | |
709 | ac_cv_prog_cc_static='-Bstatic' | |
710 | ac_cv_prog_cc_wl='-Wl,' | |
711 | ;; | |
712 | ||
713 | uts4*) | |
714 | ac_cv_prog_cc_pic='-pic' | |
715 | ac_cv_prog_cc_static='-Bstatic' | |
716 | ;; | |
717 | ||
718 | sysv4*MP*) | |
719 | if test -d /usr/nec ;then | |
720 | ac_cv_prog_cc_pic='-Kconform_pic' | |
721 | ac_cv_prog_cc_static='-Bstatic' | |
722 | fi | |
723 | ;; | |
724 | ||
725 | *) | |
726 | ac_cv_prog_cc_can_build_shared=no | |
727 | ;; | |
728 | esac | |
729 | fi | |
7389ff65 AO |
730 | case "$host_os" in |
731 | # Platforms which do not suport PIC and -DPIC is meaningless | |
732 | # on them: | |
733 | *djgpp*) | |
734 | ac_cv_prog_cc_pic= | |
735 | ;; | |
736 | *) | |
737 | ac_cv_prog_cc_pic="$ac_cv_prog_cc_pic -DPIC" | |
738 | ;; | |
739 | esac | |
6cf86f7f AO |
740 | fi |
741 | ||
742 | need_lc=yes | |
743 | if test "$enable_shared" = yes && test "$with_gcc" = yes; then | |
469b781c | 744 | case $archive_cmds in |
6cf86f7f AO |
745 | *'~'*) |
746 | # FIXME: we may have to deal with multi-command sequences. | |
747 | ;; | |
748 | '$CC '*) | |
749 | # Test whether the compiler implicitly links with -lc since on some | |
750 | # systems, -lgcc has to come before -lc. If gcc already passes -lc | |
751 | # to ld, don't add -lc before -lgcc. | |
752 | echo $ac_n "checking whether -lc should be explicitly linked in... $ac_c" 1>&6 | |
753 | if eval "test \"`echo '$''{'ac_cv_archive_cmds_needs_lc'+set}'`\" = set"; then | |
754 | echo $ac_n "(cached) $ac_c" 1>&6 | |
755 | need_lc=$ac_cv_archive_cmds_needs_lc | |
756 | else | |
757 | $rm conftest* | |
758 | echo "static int dummy;" > conftest.$ac_ext | |
759 | if { (eval echo ltcf-c.sh:need_lc: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; }; then | |
760 | # Append any warnings to the config.log. | |
761 | cat conftest.err 1>&5 | |
762 | soname=conftest | |
763 | lib=conftest | |
469b781c | 764 | libobjs=conftest.$ac_objext |
6cf86f7f AO |
765 | deplibs= |
766 | wl=$ac_cv_prog_cc_wl | |
767 | compiler_flags=-v | |
768 | linker_flags=-v | |
769 | verstring= | |
770 | output_objdir=. | |
771 | libname=conftest | |
103a2e99 | 772 | save_allow_undefined_flag=$allow_undefined_flag |
6cf86f7f AO |
773 | allow_undefined_flag= |
774 | if { (eval echo ltcf-c.sh:need_lc: \"$archive_cmds\") 1>&5; (eval $archive_cmds) 2>&1 | grep " -lc " 1>&5 ; }; then | |
775 | need_lc=no | |
776 | fi | |
103a2e99 | 777 | allow_undefined_flag=$save_allow_undefined_flag |
6cf86f7f AO |
778 | else |
779 | cat conftest.err 1>&5 | |
780 | fi | |
781 | fi | |
782 | $rm conftest* | |
783 | echo "$ac_t$need_lc" 1>&6 | |
784 | ;; | |
785 | esac | |
786 | fi | |
787 | ac_cv_archive_cmds_needs_lc=$need_lc |