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c102b56d | 1 | #### This script is meant to be sourced by ltconfig. |
2 | ||
c102b56d | 3 | # ltcf-cxx.sh - Create a C++ compiler specific configuration |
4 | # | |
a4e88f7d | 5 | # Copyright (C) 1996-1999, 2000, 2001, 2003 Free Software Foundation, Inc. |
c102b56d | 6 | # Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996 |
7 | # | |
fd7f3a57 | 8 | # Original C++ support by:Gary V. Vaughan <gvv@techie.com> |
c102b56d | 9 | # Alexandre Oliva <oliva@lsd.ic.unicamp.br> |
10 | # Ossama Othman <ossama@debian.org> | |
11 | # Thomas Thanner <tanner@gmx.de> | |
12 | # | |
13 | # This file is free software; you can redistribute it and/or modify it | |
14 | # under the terms of the GNU General Public License as published by | |
15 | # the Free Software Foundation; either version 2 of the License, or | |
16 | # (at your option) any later version. | |
17 | # | |
18 | # This program is distributed in the hope that it will be useful, but | |
19 | # WITHOUT ANY WARRANTY; without even the implied warranty of | |
20 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
21 | # General Public License for more details. | |
22 | # | |
23 | # You should have received a copy of the GNU General Public License | |
24 | # along with this program; if not, write to the Free Software | |
06b8a6e6 | 25 | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
c102b56d | 26 | # |
27 | # As a special exception to the GNU General Public License, if you | |
28 | # distribute this file as part of a program that contains a | |
29 | # configuration script generated by Autoconf, you may include it under | |
30 | # the same distribution terms that you use for the rest of that program. | |
31 | ||
32 | ||
33 | # Source file extension for C++ test sources. | |
34 | ac_ext=cc | |
35 | ||
36 | # Object file extension for compiled C++ test sources. | |
37 | objext=o | |
38 | ||
39 | # Code to be used in simple compile tests | |
40 | lt_simple_compile_test_code="int some_variable = 0;" | |
41 | ||
42 | # Code to be used in simple link tests | |
43 | lt_simple_link_test_code='int main(int, char *[]) { return (0); }' | |
44 | ||
45 | # C++ compiler | |
46 | CXX=${CXX-c++} | |
47 | ||
48 | # ltmain only uses $CC for tagged configurations so make sure $CC is set. | |
49 | CC=${CC-"$CXX"} | |
50 | CFLAGS=${CFLAGS-"$CXXFLAGS"} | |
51 | ||
52 | # Allow CC to be a program name with arguments. | |
53 | set dummy $CC | |
54 | compiler=$2 | |
55 | cc_basename=`$echo X"$compiler" | $Xsed -e 's%^.*/%%'` | |
56 | ||
57 | # Check if we are using GNU gcc (taken/adapted from configure script) | |
58 | # We need to check here since "--with-gcc" is set at configure time, | |
59 | # not ltconfig time! | |
60 | cat > conftest.$ac_ext <<EOF | |
61 | #ifdef __GNUC__ | |
62 | yes; | |
63 | #endif | |
64 | EOF | |
65 | if { ac_try='${CC-c++} -E conftest.$ac_ext'; { (eval echo \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then | |
66 | with_gcc=yes | |
67 | ||
68 | # Set up default GNU C++ configuration | |
69 | ||
70 | # Check if GNU C++ uses GNU ld as the underlying linker, since the | |
de3c9f55 | 71 | # archiving commands below assume that GNU ld is being used. The |
72 | # assumption here is that the linker is going to be the same as that | |
73 | # used by the C compiler. For the purposes of GCC, this is ok, but | |
74 | # if someone uses g++ along with a non-GNU C compiler that doesn't | |
75 | # use GNU ld, we may lose. This is ok for the toolchain tree, since | |
76 | # the only users of ltcf-cxx.sh are libstdc++-v3 and libjava, | |
77 | # anyway, and those use both gcc and g++, so the settings are bound | |
78 | # to be the same. | |
79 | ||
80 | if test "$with_gnu_ld" = yes; then | |
88c1d089 | 81 | archive_cmds='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib' |
82 | archive_expsym_cmds='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' | |
c102b56d | 83 | |
84 | hardcode_libdir_flag_spec='${wl}--rpath ${wl}$libdir' | |
85 | export_dynamic_flag_spec='${wl}--export-dynamic' | |
86 | ||
87 | # If archive_cmds runs LD, not CC, wlarc should be empty | |
88 | # XXX I think wlarc can be eliminated in ltcf-cxx, but I need to | |
89 | # investigate it a little bit more. (MM) | |
90 | wlarc='${wl}' | |
91 | ||
92 | # ancient GNU ld didn't support --whole-archive et. al. | |
93 | if eval "`$CC -print-prog-name=ld` --help 2>&1" | \ | |
94 | egrep 'no-whole-archive' > /dev/null; then | |
95 | whole_archive_flag_spec="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive' | |
96 | else | |
97 | whole_archive_flag_spec= | |
98 | fi | |
99 | else | |
c102b56d | 100 | wlarc= |
101 | ||
102 | # A generic and very simple default shared library creation | |
103 | # command for GNU C++ for the case where it uses the native | |
104 | # linker, instead of GNU ld. If possible, this setting should | |
105 | # overridden to take advantage of the native linker features on | |
106 | # the platform it is being used on. | |
107 | archive_cmds='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $lib' | |
108 | fi | |
109 | ||
110 | # Commands to make compiler produce verbose output that lists | |
111 | # what "hidden" libraries, object files and flags are used when | |
112 | # linking a shared library. | |
93221b10 | 113 | output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | egrep "\-L"' |
c102b56d | 114 | |
115 | else | |
116 | with_gcc=no | |
c102b56d | 117 | wlarc= |
118 | fi | |
119 | ||
c102b56d | 120 | # PORTME: fill in a description of your system's C++ link characteristics |
88c1d089 | 121 | case $host_os in |
c102b56d | 122 | aix3*) |
123 | # FIXME: insert proper C++ library support | |
124 | ld_shlibs=no | |
125 | ;; | |
4b44c1a3 | 126 | aix4* | aix5*) |
88c1d089 | 127 | archive_cmds='' |
128 | hardcode_direct=yes | |
129 | hardcode_libdir_separator=':' | |
130 | link_all_deplibs=yes | |
3fec05ca | 131 | file_list_spec='${wl}-f,' |
88c1d089 | 132 | # When large executables or shared objects are built, AIX ld can |
133 | # have problems creating the table of contents. If linking a library | |
134 | # or program results in "error TOC overflow" add -mminimal-toc to | |
135 | # CXXFLAGS/CFLAGS for g++/gcc. In the cases where that is not | |
136 | # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS. | |
137 | if test "$with_gcc" = yes; then | |
138 | case $host_os in aix4.[012]|aix4.[012].*) | |
139 | # We only want to do this on AIX 4.2 and lower, the check | |
140 | # below for broken collect2 doesn't work under 4.3+ | |
141 | collect2name=`${CC} -print-prog-name=collect2` | |
142 | if test -f "$collect2name" && \ | |
143 | strings "$collect2name" | grep resolve_lib_name >/dev/null | |
144 | then | |
145 | # We have reworked collect2 | |
146 | hardcode_direct=yes | |
147 | else | |
148 | # We have old collect2 | |
149 | hardcode_direct=unsupported | |
150 | # It fails to find uninstalled libraries when the uninstalled | |
151 | # path is not listed in the libpath. Setting hardcode_minus_L | |
152 | # to unsupported forces relinking | |
153 | hardcode_minus_L=yes | |
154 | hardcode_libdir_flag_spec='-L$libdir' | |
155 | hardcode_libdir_separator= | |
156 | fi | |
157 | esac | |
158 | shared_flag='-shared' | |
159 | else | |
160 | # not using gcc | |
161 | if test "$host_cpu" = ia64; then | |
162 | shared_flag='${wl}-G' | |
163 | else | |
164 | shared_flag='${wl}-bM:SRE' | |
165 | fi | |
166 | fi | |
167 | ||
168 | if test "$host_cpu" = ia64; then | |
169 | # On IA64, the linker does run time linking by default, so we don't | |
170 | # have to do anything special. | |
171 | aix_use_runtimelinking=no | |
debdecb8 | 172 | if test $with_gnu_ld = no; then |
173 | exp_sym_flag='-Bexport' | |
174 | no_entry_flag="" | |
175 | fi | |
88c1d089 | 176 | else |
177 | # Test if we are trying to use run time linking, or normal AIX style linking. | |
178 | # If -brtl is somewhere in LDFLAGS, we need to do run time linking. | |
179 | aix_use_runtimelinking=no | |
180 | for ld_flag in $LDFLAGS; do | |
181 | if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl" ); then | |
182 | aix_use_runtimelinking=yes | |
183 | break | |
184 | fi | |
185 | done | |
186 | exp_sym_flag='-bexport' | |
187 | no_entry_flag='-bnoentry' | |
188 | fi | |
189 | # It seems that -bexpall does not export symbols beginning with | |
190 | # underscore (_), so it is better to generate a list of symbols to export. | |
a6fdcbb2 | 191 | always_export_symbols=yes |
88c1d089 | 192 | if test "$aix_use_runtimelinking" = yes; then |
193 | hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:/usr/lib:/lib' | |
194 | allow_undefined_flag=' -Wl,-G' | |
195 | archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs $compiler_flags ${allow_undefined_flag} '"\${wl}$no_entry_flag \${wl}-brtl \${wl}$exp_sym_flag:\$export_symbols" | |
196 | else | |
197 | if test "$host_cpu" = ia64; then | |
debdecb8 | 198 | if test $with_gnu_ld = no; then |
199 | hardcode_libdir_flag_spec='${wl}-R $libdir:/usr/lib:/lib' | |
200 | allow_undefined_flag="-z nodefs" | |
201 | 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" | |
202 | fi | |
88c1d089 | 203 | else |
204 | hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:/usr/lib:/lib' | |
205 | # Warning - without using the other run time loading flags, -berok will | |
206 | # link without error, but may produce a broken library. | |
00ed89e1 | 207 | no_undefined_flag=' ${wl}-bnoerok' |
208 | allow_undefined_flag=' ${wl}-berok' | |
88c1d089 | 209 | # -bexpall does not export symbols beginning with underscore (_) |
210 | always_export_symbols=yes | |
211 | # Exported symbols can be pulled into shared objects from archives | |
212 | whole_archive_flag_spec=' ' | |
213 | build_libtool_need_lc=yes | |
214 | # This is similar to how AIX traditionally builds it's shared libraries. | |
215 | 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' | |
216 | fi | |
217 | fi | |
c102b56d | 218 | ;; |
219 | chorus*) | |
88c1d089 | 220 | case $cc_basename in |
c102b56d | 221 | *) |
222 | # FIXME: insert proper C++ library support | |
223 | ld_shlibs=no | |
224 | ;; | |
88c1d089 | 225 | esac |
c102b56d | 226 | ;; |
fbccfde7 | 227 | |
228 | darwin* | rhapsody*) | |
229 | case "$host_os" in | |
230 | rhapsody* | darwin1.[[012]]) | |
231 | allow_undefined_flag='-undefined suppress' | |
232 | ;; | |
233 | *) # Darwin 1.3 on | |
234 | if test -z ${MACOSX_DEPLOYMENT_TARGET} ; then | |
235 | allow_undefined_flag='-flat_namespace -undefined suppress' | |
236 | else | |
237 | case ${MACOSX_DEPLOYMENT_TARGET} in | |
238 | 10.[[012]]) | |
239 | allow_undefined_flag='-flat_namespace -undefined suppress' | |
240 | ;; | |
241 | 10.*) | |
242 | allow_undefined_flag='-undefined dynamic_lookup' | |
243 | ;; | |
244 | esac | |
245 | fi | |
246 | ;; | |
247 | esac | |
248 | # Disable shared library build on OS-X older than 10.3. | |
249 | case $host_os in | |
250 | darwin[1-6]*) | |
251 | can_build_shared=no | |
252 | ;; | |
253 | darwin7*) | |
254 | can_build_shared=yes | |
255 | ;; | |
256 | esac | |
257 | output_verbose_link_cmd='echo' | |
3ff2e849 | 258 | |
259 | archive_cmds='$CXX -dynamiclib $allow_undefined_flag -o $lib $libobjs $deplibs $compiler_flags -install_name $rpath/$soname $verstring' | |
fbccfde7 | 260 | module_cmds='$CC ${wl}-bind_at_load $allow_undefined_flag -o $lib -bundle $libobjs $deplibs$compiler_flags' |
261 | ||
262 | # Don't fix this by using the ld -exported_symbols_list flag, | |
263 | # it doesn't exist in older darwin ld's | |
264 | archive_expsym_cmds='sed -e "s,#.*,," -e "s,^[ ]*,," -e "s,^\(..*\),_&," < $export_symbols > $output_objdir/${libname}-symbols.expsym~$CC -r ${wl}-bind_at_load -keep_private_externs -nostdlib -o ${lib}-master.o $libobjs~$CC -dynamiclib $allow_undefined_flag -o $lib ${lib}-master.o $deplibs $compiler_flags -install_name $rpath/$soname $verstring~nmedit -s $output_objdir/${libname}-symbols.expsym ${lib}' | |
265 | 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}' | |
266 | hardcode_direct=no | |
267 | hardcode_automatic=yes | |
268 | hardcode_shlibpath_var=unsupported | |
fbccfde7 | 269 | link_all_deplibs=yes |
270 | ;; | |
271 | ||
c102b56d | 272 | dgux*) |
88c1d089 | 273 | case $cc_basename in |
c102b56d | 274 | ec++) |
275 | # FIXME: insert proper C++ library support | |
276 | ld_shlibs=no | |
277 | ;; | |
278 | ghcx) | |
279 | # Green Hills C++ Compiler | |
280 | # FIXME: insert proper C++ library support | |
281 | ld_shlibs=no | |
282 | ;; | |
283 | *) | |
284 | # FIXME: insert proper C++ library support | |
285 | ld_shlibs=no | |
286 | ;; | |
287 | esac | |
288 | ;; | |
6a965736 | 289 | freebsd[12]*) |
290 | # C++ shared libraries reported to be fairly broken before switch to ELF | |
88c1d089 | 291 | ld_shlibs=no |
b21e5977 | 292 | ;; |
a2718648 | 293 | freebsd* | kfreebsd*-gnu) |
6a965736 | 294 | # FreeBSD 3 and later use GNU C++ and GNU ld with standard ELF |
295 | # conventions | |
296 | ld_shlibs=yes | |
297 | ;; | |
debdecb8 | 298 | gnu*) |
299 | ;; | |
c102b56d | 300 | hpux*) |
46b021de | 301 | if test $with_gnu_ld = no; then |
7261cb98 | 302 | case "$host_cpu" in |
303 | ia64*) | |
304 | hardcode_libdir_flag_spec='-L$libdir' | |
305 | hardcode_shlibpath_var=no ;; | |
306 | *) | |
307 | hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir' ;; | |
308 | esac | |
309 | hardcode_direct=yes | |
46b021de | 310 | hardcode_libdir_separator=: |
311 | export_dynamic_flag_spec='${wl}-E' | |
312 | fi | |
88c1d089 | 313 | hardcode_minus_L=yes # Not in the search PATH, but as the default |
314 | # location of the library. | |
88c1d089 | 315 | |
316 | case $cc_basename in | |
c102b56d | 317 | CC) |
318 | # FIXME: insert proper C++ library support | |
319 | ld_shlibs=no | |
320 | ;; | |
321 | aCC) | |
88c1d089 | 322 | case $host_os in |
fd7f3a57 | 323 | hpux9*) archive_cmds='$rm $output_objdir/$soname~$CC -b ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib' ;; |
324 | *) archive_cmds='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' ;; | |
c102b56d | 325 | esac |
c102b56d | 326 | # Commands to make compiler produce verbose output that lists |
327 | # what "hidden" libraries, object files and flags are used when | |
328 | # linking a shared library. | |
329 | # | |
330 | # There doesn't appear to be a way to prevent this compiler from | |
331 | # explicitly linking system object files so we need to strip them | |
332 | # from the output so that they don't get included in the library | |
333 | # dependencies. | |
93221b10 | 334 | output_verbose_link_cmd='templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | egrep "\-L"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; echo $list' |
c102b56d | 335 | ;; |
336 | *) | |
88c1d089 | 337 | if test $with_gcc = yes; then |
46b021de | 338 | if test $with_gnu_ld = no; then |
339 | case "$host_os" in | |
93221b10 | 340 | hpux9*) archive_cmds='$rm $output_objdir/$soname~$CC -shared -nostdlib -fPIC ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib' ;; |
7261cb98 | 341 | *) |
342 | case "$host_cpu" in | |
343 | ia64*) | |
344 | archive_cmds='$LD -b +h $soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $linker_flags' ;; | |
345 | *) | |
346 | archive_cmds='$CC -shared -nostdlib -fPIC ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' ;; | |
347 | esac | |
348 | ;; | |
46b021de | 349 | esac |
350 | fi | |
88c1d089 | 351 | else |
352 | # FIXME: insert proper C++ library support | |
353 | ld_shlibs=no | |
354 | fi | |
c102b56d | 355 | ;; |
356 | esac | |
357 | ;; | |
358 | irix5* | irix6*) | |
88c1d089 | 359 | case $cc_basename in |
c102b56d | 360 | CC) |
361 | # SGI C++ | |
362 | archive_cmds='$CC -shared -all -multigot $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib' | |
fd7f3a57 | 363 | |
364 | # Archives containing C++ object files must be created using | |
365 | # "CC -ar", where "CC" is the IRIX C++ compiler. This is | |
366 | # necessary to make sure instantiated templates are included | |
367 | # in the archive. | |
368 | old_archive_cmds='$CC -ar -WR,-u -o $oldlib $oldobjs' | |
369 | ;; | |
c102b56d | 370 | *) |
371 | if test "$with_gcc" = yes; then | |
372 | if test "$with_gnu_ld" = no; then | |
e67abcc9 | 373 | archive_cmds='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${objdir}/so_locations -o $lib' |
c102b56d | 374 | else |
ab81b5cb | 375 | archive_cmds='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && echo -set_version $verstring` -o $lib' |
c102b56d | 376 | fi |
377 | fi | |
378 | hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' | |
379 | hardcode_libdir_separator=: | |
380 | link_all_deplibs=yes | |
381 | ;; | |
382 | esac | |
383 | ;; | |
384 | linux*) | |
88c1d089 | 385 | case $cc_basename in |
c102b56d | 386 | KCC) |
387 | # Kuck and Associates, Inc. (KAI) C++ Compiler | |
388 | ||
389 | # KCC will only create a shared library if the output file | |
390 | # ends with ".so" (or ".sl" for HP-UX), so rename the library | |
391 | # to its proper name (with version) after linking. | |
fd7f3a57 | 392 | archive_cmds='templib=`echo $lib | sed -e "s/\.so\..*/\.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib' |
393 | archive_expsym_cmds='templib=`echo $lib | sed -e "s/\.so\..*/\.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib ${wl}-retain-symbols-file,$export_symbols; mv \$templib $lib' | |
c102b56d | 394 | |
395 | # Commands to make compiler produce verbose output that lists | |
396 | # what "hidden" libraries, object files and flags are used when | |
397 | # linking a shared library. | |
398 | # | |
399 | # There doesn't appear to be a way to prevent this compiler from | |
400 | # explicitly linking system object files so we need to strip them | |
401 | # from the output so that they don't get included in the library | |
402 | # dependencies. | |
93221b10 | 403 | output_verbose_link_cmd='templist=`$CC $CFLAGS -v conftest.$objext -o libconftest.so 2>&1 | egrep "ld"`; rm -f libconftest.so; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; echo $list' |
c102b56d | 404 | |
405 | hardcode_libdir_flag_spec='${wl}--rpath,$libdir' | |
406 | export_dynamic_flag_spec='${wl}--export-dynamic' | |
407 | ||
408 | # Archives containing C++ object files must be created using | |
409 | # "CC -Bstatic", where "CC" is the KAI C++ compiler. | |
410 | old_archive_cmds='$CC -Bstatic -o $oldlib $oldobjs' | |
411 | ;; | |
412 | cxx) | |
413 | # Compaq C++ | |
fd7f3a57 | 414 | archive_cmds='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib' |
415 | archive_expsym_cmds='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib ${wl}-retain-symbols-file $wl$export_symbols' | |
c102b56d | 416 | |
417 | runpath_var=LD_RUN_PATH | |
418 | hardcode_libdir_flag_spec='-rpath $libdir' | |
419 | hardcode_libdir_separator=: | |
420 | ||
421 | # Commands to make compiler produce verbose output that lists | |
422 | # what "hidden" libraries, object files and flags are used when | |
423 | # linking a shared library. | |
424 | # | |
425 | # There doesn't appear to be a way to prevent this compiler from | |
426 | # explicitly linking system object files so we need to strip them | |
427 | # from the output so that they don't get included in the library | |
428 | # dependencies. | |
93221b10 | 429 | output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | grep "ld"`; templist=`echo $templist | sed "s/\(^.*ld.*\)\( .*ld .*$\)/\1/"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; echo $list' |
c102b56d | 430 | ;; |
431 | esac | |
432 | ;; | |
433 | lynxos*) | |
434 | # FIXME: insert proper C++ library support | |
435 | ld_shlibs=no | |
436 | ;; | |
437 | m88k*) | |
438 | # FIXME: insert proper C++ library support | |
439 | ld_shlibs=no | |
440 | ;; | |
441 | mvs*) | |
88c1d089 | 442 | case $cc_basename in |
c102b56d | 443 | cxx) |
444 | # FIXME: insert proper C++ library support | |
445 | ld_shlibs=no | |
446 | ;; | |
447 | *) | |
448 | # FIXME: insert proper C++ library support | |
449 | ld_shlibs=no | |
450 | ;; | |
88c1d089 | 451 | esac |
c102b56d | 452 | ;; |
a2718648 | 453 | netbsd* | knetbsd*-gnu) |
c1a13da0 | 454 | # NetBSD uses g++ - do we need to do anything? |
c102b56d | 455 | ;; |
456 | osf3*) | |
88c1d089 | 457 | case $cc_basename in |
c102b56d | 458 | KCC) |
459 | # Kuck and Associates, Inc. (KAI) C++ Compiler | |
460 | ||
461 | # KCC will only create a shared library if the output file | |
462 | # ends with ".so" (or ".sl" for HP-UX), so rename the library | |
463 | # to its proper name (with version) after linking. | |
fd7f3a57 | 464 | archive_cmds='templib=`echo $lib | sed -e "s/\.so\..*/\.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib' |
c102b56d | 465 | |
466 | hardcode_libdir_flag_spec='${wl}-rpath,$libdir' | |
467 | hardcode_libdir_separator=: | |
468 | ||
469 | # Archives containing C++ object files must be created using | |
470 | # "CC -Bstatic", where "CC" is the KAI C++ compiler. | |
471 | old_archive_cmds='$CC -Bstatic -o $oldlib $oldobjs' | |
472 | ||
473 | ;; | |
474 | RCC) | |
475 | # Rational C++ 2.4.1 | |
476 | # FIXME: insert proper C++ library support | |
477 | ld_shlibs=no | |
478 | ;; | |
479 | cxx) | |
480 | allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*' | |
fd7f3a57 | 481 | archive_cmds='$CC -shared${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $soname `test -n "$verstring" && echo ${wl}-set_version $verstring` -update_registry ${objdir}/so_locations -o $lib' |
c102b56d | 482 | |
483 | hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' | |
484 | hardcode_libdir_separator=: | |
485 | ||
486 | # Commands to make compiler produce verbose output that lists | |
487 | # what "hidden" libraries, object files and flags are used when | |
488 | # linking a shared library. | |
489 | # | |
490 | # There doesn't appear to be a way to prevent this compiler from | |
491 | # explicitly linking system object files so we need to strip them | |
492 | # from the output so that they don't get included in the library | |
493 | # dependencies. | |
93221b10 | 494 | output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | grep "ld" | grep -v "ld:"`; templist=`echo $templist | sed "s/\(^.*ld.*\)\( .*ld.*$\)/\1/"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; echo $list' |
c102b56d | 495 | ;; |
496 | *) | |
9c6813ce | 497 | if test "$with_gcc" = yes && test "$with_gnu_ld" = no; then |
498 | allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*' | |
499 | archive_cmds='$CC -shared -nostdlib ${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${objdir}/so_locations -o $lib' | |
500 | ||
501 | hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' | |
502 | hardcode_libdir_separator=: | |
503 | ||
504 | # Commands to make compiler produce verbose output that lists | |
505 | # what "hidden" libraries, object files and flags are used when | |
506 | # linking a shared library. | |
507 | output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | egrep "\-L"' | |
508 | else | |
509 | # FIXME: insert proper C++ library support | |
510 | ld_shlibs=no | |
511 | fi | |
c102b56d | 512 | ;; |
513 | esac | |
514 | ;; | |
515 | osf4* | osf5*) | |
88c1d089 | 516 | case $cc_basename in |
c102b56d | 517 | KCC) |
518 | # Kuck and Associates, Inc. (KAI) C++ Compiler | |
519 | ||
520 | # KCC will only create a shared library if the output file | |
521 | # ends with ".so" (or ".sl" for HP-UX), so rename the library | |
522 | # to its proper name (with version) after linking. | |
fd7f3a57 | 523 | archive_cmds='templib=`echo $lib | sed -e "s/\.so\..*/\.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib' |
c102b56d | 524 | |
525 | hardcode_libdir_flag_spec='${wl}-rpath,$libdir' | |
526 | hardcode_libdir_separator=: | |
527 | ||
528 | # Archives containing C++ object files must be created using | |
529 | # the KAI C++ compiler. | |
530 | old_archive_cmds='$CC -o $oldlib $oldobjs' | |
531 | ;; | |
532 | RCC) | |
533 | # Rational C++ 2.4.1 | |
534 | # FIXME: insert proper C++ library support | |
535 | ld_shlibs=no | |
536 | ;; | |
537 | cxx) | |
88c1d089 | 538 | allow_undefined_flag=' -expect_unresolved \*' |
539 | archive_cmds='$CC -shared${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib' | |
67282802 | 540 | archive_expsym_cmds='for i in `cat $export_symbols`; do printf "-exported_symbol " >> $lib.exp; echo "\$i" >> $lib.exp; done~ |
541 | echo "-hidden">> $lib.exp~ | |
542 | $CC -shared$allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname -Wl,-input -Wl,$lib.exp `test -n "$verstring" && echo -set_version $verstring` -update_registry $objdir/so_locations -o $lib~ | |
543 | $rm $lib.exp' | |
88c1d089 | 544 | |
545 | hardcode_libdir_flag_spec='-rpath $libdir' | |
c102b56d | 546 | hardcode_libdir_separator=: |
547 | ||
548 | # Commands to make compiler produce verbose output that lists | |
549 | # what "hidden" libraries, object files and flags are used when | |
550 | # linking a shared library. | |
551 | # | |
552 | # There doesn't appear to be a way to prevent this compiler from | |
553 | # explicitly linking system object files so we need to strip them | |
554 | # from the output so that they don't get included in the library | |
555 | # dependencies. | |
93221b10 | 556 | output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | grep "ld" | grep -v "ld:"`; templist=`echo $templist | sed "s/\(^.*ld.*\)\( .*ld.*$\)/\1/"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; echo $list' |
c102b56d | 557 | ;; |
558 | *) | |
9c6813ce | 559 | if test "$with_gcc" = yes && test "$with_gnu_ld" = no; then |
560 | allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*' | |
561 | archive_cmds='$CC -shared -nostdlib ${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $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 $lib' | |
562 | ||
563 | hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' | |
564 | hardcode_libdir_separator=: | |
565 | ||
566 | # Commands to make compiler produce verbose output that lists | |
567 | # what "hidden" libraries, object files and flags are used when | |
568 | # linking a shared library. | |
569 | output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | egrep "\-L"' | |
570 | else | |
571 | # FIXME: insert proper C++ library support | |
572 | ld_shlibs=no | |
573 | fi | |
c102b56d | 574 | ;; |
575 | esac | |
576 | ;; | |
577 | psos*) | |
578 | # FIXME: insert proper C++ library support | |
579 | ld_shlibs=no | |
580 | ;; | |
581 | sco*) | |
88c1d089 | 582 | case $cc_basename in |
c102b56d | 583 | CC) |
584 | # FIXME: insert proper C++ library support | |
585 | ld_shlibs=no | |
586 | ;; | |
587 | *) | |
588 | # FIXME: insert proper C++ library support | |
589 | ld_shlibs=no | |
590 | ;; | |
591 | esac | |
592 | ;; | |
593 | sunos4*) | |
88c1d089 | 594 | case $cc_basename in |
c102b56d | 595 | CC) |
596 | # Sun C++ 4.x | |
597 | # FIXME: insert proper C++ library support | |
598 | ld_shlibs=no | |
599 | ;; | |
600 | lcc) | |
601 | # Lucid | |
602 | # FIXME: insert proper C++ library support | |
603 | ld_shlibs=no | |
604 | ;; | |
605 | *) | |
606 | # FIXME: insert proper C++ library support | |
607 | ld_shlibs=no | |
608 | ;; | |
609 | esac | |
610 | ;; | |
611 | solaris*) | |
88c1d089 | 612 | case $cc_basename in |
c102b56d | 613 | CC) |
614 | # Sun C++ 4.2, 5.x and Centerline C++ | |
67282802 | 615 | no_undefined_flag=' -zdefs' |
fd7f3a57 | 616 | archive_cmds='$CC -G${allow_undefined_flag} -nolib -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' |
c102b56d | 617 | archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~ |
fd7f3a57 | 618 | $CC -G${allow_undefined_flag} -nolib ${wl}-M ${wl}$lib.exp -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$rm $lib.exp' |
c102b56d | 619 | |
620 | hardcode_libdir_flag_spec='-R$libdir' | |
621 | hardcode_shlibpath_var=no | |
88c1d089 | 622 | case $host_os in |
c102b56d | 623 | solaris2.[0-5] | solaris2.[0-5].*) ;; |
624 | *) | |
625 | # The C++ compiler is used as linker so we must use $wl | |
626 | # flag to pass the commands to the underlying system | |
627 | # linker. | |
628 | # Supported since Solaris 2.6 (maybe 2.5.1?) | |
629 | whole_archive_flag_spec='${wl}-z ${wl}allextract$convenience ${wl}-z ${wl}defaultextract' | |
630 | ;; | |
631 | esac | |
632 | link_all_deplibs=yes | |
633 | ||
634 | # Commands to make compiler produce verbose output that lists | |
635 | # what "hidden" libraries, object files and flags are used when | |
636 | # linking a shared library. | |
637 | # | |
638 | # There doesn't appear to be a way to prevent this compiler from | |
639 | # explicitly linking system object files so we need to strip them | |
640 | # from the output so that they don't get included in the library | |
641 | # dependencies. | |
93221b10 | 642 | output_verbose_link_cmd='templist=`$CC -G $CFLAGS -v conftest.$objext 2>&1 | egrep "\-R|\-L"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; echo $list' |
c102b56d | 643 | |
644 | # Archives containing C++ object files must be created using | |
645 | # "CC -xar", where "CC" is the Sun C++ compiler. This is | |
646 | # necessary to make sure instantiated templates are included | |
647 | # in the archive. | |
648 | old_archive_cmds='$CC -xar -o $oldlib $oldobjs' | |
649 | ;; | |
650 | gcx) | |
651 | # Green Hills C++ Compiler | |
fd7f3a57 | 652 | archive_cmds='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib' |
c102b56d | 653 | |
654 | # The C++ compiler must be used to create the archive. | |
655 | old_archive_cmds='$CC $LDFLAGS -archive -o $oldlib $oldobjs' | |
656 | ;; | |
657 | *) | |
658 | # GNU C++ compiler with Solaris linker | |
659 | if test "$with_gcc" = yes && test "$with_gnu_ld" = no; then | |
67282802 | 660 | no_undefined_flag=' ${wl}-z ${wl}defs' |
c102b56d | 661 | if $CC --version | egrep -v '^2\.7' > /dev/null; then |
a4e88f7d | 662 | archive_cmds='$CC -shared -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib' |
c102b56d | 663 | archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~ |
a4e88f7d | 664 | $CC -shared -nostdlib ${wl}-M $wl$lib.exp -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$rm $lib.exp' |
c102b56d | 665 | |
666 | # Commands to make compiler produce verbose output that lists | |
667 | # what "hidden" libraries, object files and flags are used when | |
668 | # linking a shared library. | |
93221b10 | 669 | output_verbose_link_cmd="$CC -shared $CFLAGS -v conftest.$objext 2>&1 | egrep \"\-L\"" |
c102b56d | 670 | else |
671 | # g++ 2.7 appears to require `-G' NOT `-shared' on this | |
672 | # platform. | |
a4e88f7d | 673 | archive_cmds='$CC -G -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib' |
c102b56d | 674 | archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~ |
a4e88f7d | 675 | $CC -G -nostdlib ${wl}-M $wl$lib.exp -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$rm $lib.exp' |
c102b56d | 676 | |
677 | # Commands to make compiler produce verbose output that lists | |
678 | # what "hidden" libraries, object files and flags are used when | |
679 | # linking a shared library. | |
93221b10 | 680 | output_verbose_link_cmd="$CC -G $CFLAGS -v conftest.$objext 2>&1 | egrep \"\-L\"" |
c102b56d | 681 | fi |
682 | ||
683 | hardcode_libdir_flag_spec='${wl}-R $wl$libdir' | |
684 | fi | |
685 | ;; | |
88c1d089 | 686 | esac |
c102b56d | 687 | ;; |
688 | tandem*) | |
88c1d089 | 689 | case $cc_basename in |
c102b56d | 690 | NCC) |
691 | # NonStop-UX NCC 3.20 | |
692 | # FIXME: insert proper C++ library support | |
693 | ld_shlibs=no | |
694 | ;; | |
695 | *) | |
696 | # FIXME: insert proper C++ library support | |
697 | ld_shlibs=no | |
698 | ;; | |
88c1d089 | 699 | esac |
c102b56d | 700 | ;; |
e644ba93 | 701 | tpf*) |
702 | ld_shlibs=yes | |
703 | ;; | |
c102b56d | 704 | unixware*) |
705 | # FIXME: insert proper C++ library support | |
706 | ld_shlibs=no | |
707 | ;; | |
708 | vxworks*) | |
709 | # FIXME: insert proper C++ library support | |
710 | ld_shlibs=no | |
711 | ;; | |
712 | *) | |
713 | # FIXME: insert proper C++ library support | |
714 | ld_shlibs=no | |
715 | ;; | |
716 | esac | |
717 | ||
718 | ||
719 | ## Compiler Characteristics: PIC flags, static flags, etc | |
720 | ||
721 | # We don't use cached values here since only the C compiler | |
722 | # characteristics should be cached. | |
723 | ac_cv_prog_cc_pic= | |
724 | ac_cv_prog_cc_shlib= | |
725 | ac_cv_prog_cc_wl= | |
726 | ac_cv_prog_cc_static= | |
727 | ac_cv_prog_cc_no_builtin= | |
728 | ac_cv_prog_cc_can_build_shared=$can_build_shared | |
729 | ||
1e5173c2 | 730 | ac_cv_prog_cc_pic_works= |
731 | ac_cv_prog_cc_static_works= | |
c102b56d | 732 | |
733 | if test "$with_gcc" = yes; then | |
734 | ac_cv_prog_cc_wl='-Wl,' | |
735 | ac_cv_prog_cc_static='-static' | |
736 | ||
88c1d089 | 737 | case $host_os in |
c102b56d | 738 | aix*) |
88c1d089 | 739 | # All AIX code is PIC. |
740 | if test "$host_cpu" = ia64; then | |
741 | # AIX 5 now supports IA64 processor | |
742 | lt_cv_prog_cc_static='-Bstatic' | |
743 | else | |
744 | lt_cv_prog_cc_static='-bnso -bI:/lib/syscalls.exp' | |
745 | fi | |
d76e21ba | 746 | ;; |
67282802 | 747 | amigaos*) |
748 | # FIXME: we need at least 68020 code to build shared libraries, but | |
749 | # adding the `-m68020' flag to GCC prevents building anything better, | |
750 | # like `-m68040'. | |
751 | ac_cv_prog_cc_pic='-m68020 -resident32 -malways-restore-a4' | |
752 | ;; | |
753 | beos* | irix5* | irix6* | osf3* | osf4* | osf5*) | |
754 | # PIC is the default for these OSes. | |
cd003521 | 755 | ;; |
c102b56d | 756 | cygwin* | mingw* | os2*) |
757 | # This hack is so that the source file can tell whether it is being | |
758 | # built for inclusion in a dll (and should export symbols for example). | |
759 | ac_cv_prog_cc_pic='-DDLL_EXPORT' | |
760 | ;; | |
67282802 | 761 | darwin* | rhapsody*) |
762 | # PIC is the default on this platform | |
763 | # Common symbols not allowed in MH_DYLIB files | |
fbccfde7 | 764 | ac_cv_prog_cc_pic='-fno-common' |
67282802 | 765 | ;; |
766 | *djgpp*) | |
767 | # DJGPP does not support shared libraries at all | |
768 | ac_cv_prog_cc_pic= | |
c102b56d | 769 | ;; |
770 | sysv4*MP*) | |
771 | if test -d /usr/nec; then | |
772 | ac_cv_prog_cc_pic=-Kconform_pic | |
773 | fi | |
774 | ;; | |
775 | *) | |
776 | ac_cv_prog_cc_pic='-fPIC' | |
777 | ;; | |
778 | esac | |
779 | else | |
88c1d089 | 780 | case $host_os in |
4b44c1a3 | 781 | aix4* | aix5*) |
c102b56d | 782 | # All AIX code is PIC. |
88c1d089 | 783 | if test "$host_cpu" = ia64; then |
784 | # AIX 5 now supports IA64 processor | |
785 | lt_cv_prog_cc_static='-Bstatic' | |
786 | else | |
787 | lt_cv_prog_cc_static='-bnso -bI:/lib/syscalls.exp' | |
788 | fi | |
c102b56d | 789 | ;; |
790 | chorus*) | |
88c1d089 | 791 | case $cc_basename in |
c102b56d | 792 | cxch68) |
793 | # Green Hills C++ Compiler | |
794 | # ac_cv_prog_cc_static="--no_auto_instantiation -u __main -u __premain -u _abort -r $COOL_DIR/lib/libOrb.a $MVME_DIR/lib/CC/libC.a $MVME_DIR/lib/classix/libcx.s.a" | |
795 | ;; | |
88c1d089 | 796 | esac |
c102b56d | 797 | ;; |
798 | dgux*) | |
88c1d089 | 799 | case $cc_basename in |
c102b56d | 800 | ec++) |
801 | ac_cv_prog_cc_pic='-KPIC' | |
802 | ;; | |
803 | ghcx) | |
804 | # Green Hills C++ Compiler | |
805 | ac_cv_prog_cc_pic='-pic' | |
806 | ;; | |
807 | *) | |
808 | ;; | |
809 | esac | |
810 | ;; | |
a2718648 | 811 | freebsd* | kfreebsd*-gnu) |
c102b56d | 812 | # FreeBSD uses GNU C++ |
813 | ;; | |
debdecb8 | 814 | gnu*) |
815 | ;; | |
c102b56d | 816 | hpux9* | hpux10* | hpux11*) |
88c1d089 | 817 | case $cc_basename in |
c102b56d | 818 | CC) |
819 | ac_cv_prog_cc_wl='-Wl,' | |
820 | ac_cv_prog_cc_static="${ac_cv_prog_cc_wl}-a ${ac_cv_prog_cc_wl}archive" | |
821 | ac_cv_prog_cc_pic='+Z' | |
822 | ;; | |
823 | aCC) | |
824 | ac_cv_prog_cc_wl='-Wl,' | |
825 | ac_cv_prog_cc_static="${ac_cv_prog_cc_wl}-a ${ac_cv_prog_cc_wl}archive" | |
826 | ac_cv_prog_cc_pic='+Z' | |
827 | ;; | |
828 | *) | |
829 | ;; | |
830 | esac | |
831 | ;; | |
832 | irix5* | irix6*) | |
88c1d089 | 833 | case $cc_basename in |
c102b56d | 834 | CC) |
835 | ac_cv_prog_cc_wl='-Wl,' | |
836 | ac_cv_prog_cc_static='-non_shared' | |
837 | ac_cv_prog_cc_pic='-KPIC' | |
838 | ;; | |
839 | *) | |
840 | ;; | |
841 | esac | |
842 | ;; | |
843 | linux*) | |
88c1d089 | 844 | case $cc_basename in |
c102b56d | 845 | KCC) |
846 | # KAI C++ Compiler | |
847 | ac_cv_prog_cc_wl='--backend -Wl,' | |
848 | ac_cv_prog_cc_pic='-fPIC' | |
849 | ;; | |
850 | cxx) | |
851 | # Compaq C++ | |
852 | # Make sure the PIC flag is empty. It appears that all Alpha | |
853 | # Linux and Compaq Tru64 Unix objects are PIC. | |
854 | ac_cv_prog_cc_pic= | |
855 | ac_cv_prog_cc_static='-non_shared' | |
856 | ;; | |
857 | *) | |
858 | ;; | |
859 | esac | |
860 | ;; | |
861 | lynxos*) | |
862 | ;; | |
863 | m88k*) | |
864 | ;; | |
865 | mvs*) | |
88c1d089 | 866 | case $cc_basename in |
c102b56d | 867 | cxx) |
868 | ac_cv_prog_cc_pic='-W c,exportall' | |
869 | ;; | |
870 | *) | |
871 | ;; | |
88c1d089 | 872 | esac |
c102b56d | 873 | ;; |
874 | netbsd*) | |
875 | ;; | |
876 | osf3* | osf4* | osf5*) | |
88c1d089 | 877 | case $cc_basename in |
c102b56d | 878 | KCC) |
879 | ac_cv_prog_cc_wl='--backend -Wl,' | |
880 | ;; | |
881 | RCC) | |
882 | # Rational C++ 2.4.1 | |
883 | ac_cv_prog_cc_pic='-pic' | |
884 | ;; | |
885 | cxx) | |
886 | # Digital/Compaq C++ | |
887 | ac_cv_prog_cc_wl='-Wl,' | |
888 | # Make sure the PIC flag is empty. It appears that all Alpha | |
889 | # Linux and Compaq Tru64 Unix objects are PIC. | |
890 | ac_cv_prog_cc_pic= | |
891 | ac_cv_prog_cc_static='-non_shared' | |
892 | ;; | |
893 | *) | |
894 | ;; | |
895 | esac | |
896 | ;; | |
897 | psos*) | |
898 | ;; | |
899 | sco*) | |
88c1d089 | 900 | case $cc_basename in |
c102b56d | 901 | CC) |
902 | ac_cv_prog_cc_pic='-fPIC' | |
903 | ;; | |
904 | *) | |
905 | ;; | |
906 | esac | |
907 | ;; | |
908 | solaris*) | |
88c1d089 | 909 | case $cc_basename in |
c102b56d | 910 | CC) |
911 | # Sun C++ 4.2, 5.x and Centerline C++ | |
912 | ac_cv_prog_cc_pic='-KPIC' | |
913 | ac_cv_prog_cc_static='-Bstatic' | |
914 | ac_cv_prog_cc_wl='-Qoption ld ' | |
915 | ;; | |
916 | gcx) | |
917 | # Green Hills C++ Compiler | |
918 | ac_cv_prog_cc_pic='-PIC' | |
919 | ;; | |
920 | *) | |
921 | ;; | |
88c1d089 | 922 | esac |
c102b56d | 923 | ;; |
924 | sunos4*) | |
88c1d089 | 925 | case $cc_basename in |
c102b56d | 926 | CC) |
927 | # Sun C++ 4.x | |
928 | ac_cv_prog_cc_pic='-pic' | |
929 | ac_cv_prog_cc_static='-Bstatic' | |
930 | ;; | |
931 | lcc) | |
932 | # Lucid | |
933 | ac_cv_prog_cc_pic='-pic' | |
934 | ;; | |
935 | *) | |
936 | ;; | |
937 | esac | |
938 | ;; | |
939 | tandem*) | |
88c1d089 | 940 | case $cc_basename in |
c102b56d | 941 | NCC) |
942 | # NonStop-UX NCC 3.20 | |
943 | ac_cv_prog_cc_pic='-KPIC' | |
944 | ;; | |
945 | *) | |
946 | ;; | |
88c1d089 | 947 | esac |
c102b56d | 948 | ;; |
949 | unixware*) | |
950 | ;; | |
951 | vxworks*) | |
952 | ;; | |
953 | *) | |
954 | ac_cv_prog_cc_can_build_shared=no | |
955 | ;; | |
956 | esac | |
957 | fi | |
cd003521 | 958 | |
959 | case "$host_os" in | |
960 | # Platforms which do not suport PIC and -DPIC is meaningless | |
961 | # on them: | |
962 | *djgpp*) | |
963 | ac_cv_prog_cc_pic= | |
964 | ;; | |
965 | *) | |
966 | ac_cv_prog_cc_pic="$ac_cv_prog_cc_pic -DPIC" | |
967 | ;; | |
968 | esac | |
c102b56d | 969 | |
970 | ||
971 | # Figure out "hidden" C++ library dependencies from verbose | |
972 | # compiler output whening linking a shared library. | |
973 | cat > conftest.$ac_ext <<EOF | |
974 | class Foo | |
975 | { | |
976 | public: | |
977 | Foo (void) { a = 0; } | |
978 | private: | |
979 | int a; | |
980 | }; | |
981 | EOF | |
982 | ||
983 | ||
db45c2a0 | 984 | if (eval $ac_compile) 2>&5; then |
c102b56d | 985 | # Parse the compiler output and extract the necessary |
986 | # objects, libraries and library flags. | |
987 | ||
988 | # Sentinel used to keep track of whether or not we are before | |
989 | # the conftest object file. | |
990 | pre_test_object_deps_done=no | |
991 | ||
93221b10 | 992 | for p in `eval $output_verbose_link_cmd`; do |
c102b56d | 993 | |
994 | case $p in | |
995 | ||
996 | -L* | -R* | -l*) | |
997 | # Some compilers place space between "-{L,R}" and the path. | |
998 | # Remove the space. | |
999 | if test $p = "-L" \ | |
1000 | || test $p = "-R"; then | |
1001 | prev=$p | |
1002 | continue | |
1003 | else | |
1004 | prev= | |
1005 | fi | |
1006 | ||
1007 | if test "$pre_test_object_deps_done" = no; then | |
1008 | case $p in | |
1009 | -L* | -R*) | |
1010 | # Internal compiler library paths should come after those | |
1011 | # provided the user. The postdeps already come after the | |
1012 | # user supplied libs so there is no need to process them. | |
1013 | if test -z "$compiler_lib_search_path"; then | |
1014 | compiler_lib_search_path="${prev}${p}" | |
1015 | else | |
1016 | compiler_lib_search_path="${compiler_lib_search_path} ${prev}${p}" | |
1017 | fi | |
1018 | ;; | |
1019 | # The "-l" case would never come before the object being | |
1020 | # linked, so don't bother handling this case. | |
1021 | esac | |
1022 | else | |
1023 | if test -z "$postdeps"; then | |
1024 | postdeps="${prev}${p}" | |
1025 | else | |
1026 | postdeps="${postdeps} ${prev}${p}" | |
1027 | fi | |
1028 | fi | |
1029 | ;; | |
1030 | ||
1031 | *.$objext) | |
1032 | # This assumes that the test object file only shows up | |
1033 | # once in the compiler output. | |
1034 | if test "$p" = "conftest.$objext"; then | |
1035 | pre_test_object_deps_done=yes | |
1036 | continue | |
1037 | fi | |
1038 | ||
1039 | if test "$pre_test_object_deps_done" = no; then | |
1040 | if test -z "$predep_objects"; then | |
1041 | predep_objects="$p" | |
1042 | else | |
1043 | predep_objects="$predep_objects $p" | |
1044 | fi | |
1045 | else | |
1046 | if test -z "$postdep_objects"; then | |
1047 | postdep_objects="$p" | |
1048 | else | |
1049 | postdep_objects="$postdep_objects $p" | |
1050 | fi | |
1051 | fi | |
1052 | ;; | |
1053 | ||
1054 | *) ;; # Ignore the rest. | |
1055 | ||
1056 | esac | |
1057 | done | |
1058 | ||
1059 | # Clean up. | |
1060 | rm -f a.out | |
1061 | else | |
1062 | echo "ltcf-cxx.sh: error: problem compiling test program" | |
1063 | fi | |
1064 | ||
1065 | $rm -f confest.$objext | |
1066 | ||
650713eb | 1067 | case " $postdeps " in |
1068 | *" -lc "*) need_lc=no ;; | |
1069 | *) need_lc=yes ;; | |
1070 | esac |