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3 paul 1
#### This script is meant to be sourced by ltconfig.
2
 
3
# ltcf-c.sh - Create a C compiler specific configuration
4
#
5
# Copyright (C) 1996-2000, 2001 Free Software Foundation, Inc.
6
# Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
7
#
8
# This file is free software; you can redistribute it and/or modify it
9
# under the terms of the GNU General Public License as published by
10
# the Free Software Foundation; either version 2 of the License, or
11
# (at your option) any later version.
12
#
13
# This program is distributed in the hope that it will be useful, but
14
# WITHOUT ANY WARRANTY; without even the implied warranty of
15
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
16
# General Public License for more details.
17
#
18
# You should have received a copy of the GNU General Public License
19
# along with this program; if not, write to the Free Software
20
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
21
#
22
# As a special exception to the GNU General Public License, if you
23
# distribute this file as part of a program that contains a
24
# configuration script generated by Autoconf, you may include it under
25
# the same distribution terms that you use for the rest of that program.
26
 
27
 
28
# Source file extension for C test sources.
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
41
case $host_os in
42
cygwin* | mingw*)
43
  # FIXME: the MSVC++ port hasn't been tested in a loooong time
44
  # When not using gcc, we currently assume that we are using
45
  # Microsoft Visual C++.
46
  if test "$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.
59
  case $host_os in
60
  aix3* | aix4* | aix5*)
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 $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
90
      allow_undefined_flag=unsupported
91
      # Joseph Beckenbach <jrb3@best.com> says some releases of gcc
92
      # support --undefined.  This deserves some investigation.  FIXME
93
      archive_cmds='$CC -nostart $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
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 $dir/$soroot > $output_objdir/$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~
120
    case $host_os in
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
 
151
    # If the export-symbols file already is a .def file (1st line
152
    # is EXPORTS), use it as is.
153
    # If DATA tags from a recent dlltool are present, honour them!
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~
168
      '"$ltdll_cmds"'
169
      $CC -Wl,--base-file,$output_objdir/$soname-base '$lt_cv_cc_dll_switch' -Wl,-e,'$dll_entry' -o $output_objdir/$soname '$ltdll_obj'$libobjs $deplibs $compiler_flags~
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 $output_objdir/$soname '$ltdll_obj'$libobjs $deplibs $compiler_flags~
172
      $DLLTOOL --as=$AS --dllname $soname --exclude-symbols '$dll_exclude_symbols' --def $output_objdir/$soname-def --base-file $output_objdir/$soname-base --output-exp $output_objdir/$soname-exp --output-lib $output_objdir/$libname.dll.a~
173
      $CC $output_objdir/$soname-exp '$lt_cv_cc_dll_switch' -Wl,-e,'$dll_entry' -o $output_objdir/$soname '$ltdll_obj'$libobjs $deplibs $compiler_flags'
174
    ;;
175
 
176
  darwin* | rhapsody*)
177
    allow_undefined_flag='-undefined suppress'
178
    archive_cmds='$CC `test .$module = .yes && echo -bundle || echo -dynamiclib` $allow_undefined_flag -o $lib $libobjs $deplibs $linkopts -install_name $rpath/$soname `test -n "$verstring" -a x$verstring != x0.0 && echo $verstring`'
179
    # We need to add '_' to the symbols in $export_symbols first
180
    #archive_expsym_cmds="$archive_cmds"' && strip -s $export_symbols'
181
    hardcode_direct=yes
182
    hardcode_shlibpath_var=no
183
    whole_archive_flag_spec='-all_load $convenience'
184
    ;;
185
 
186
  netbsd*)
187
    if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
188
      archive_cmds='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib'
189
      wlarc=
190
    else
191
      archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
192
      archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
193
    fi
194
    ;;
195
 
196
  solaris* | sysv5*)
197
    if $LD -v 2>&1 | egrep 'BFD 2\.8' > /dev/null; then
198
      ld_shlibs=no
199
      cat <<EOF 1>&2
200
 
201
*** Warning: The releases 2.8.* of the GNU linker cannot reliably
202
*** create shared libraries on Solaris systems.  Therefore, libtool
203
*** is disabling shared libraries support.  We urge you to upgrade GNU
204
*** binutils to release 2.9.1 or newer.  Another option is to modify
205
*** your PATH or compiler configuration so that the native linker is
206
*** used, and then restart.
207
 
208
EOF
209
    elif $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
210
      archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
211
      archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
212
    else
213
      ld_shlibs=no
214
    fi
215
    ;;
216
 
217
  sunos4*)
218
    archive_cmds='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linker_flags'
219
    wlarc=
220
    hardcode_direct=yes
221
    hardcode_shlibpath_var=no
222
    ;;
223
 
224
  *)
225
    if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
226
      archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
227
      archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
228
    else
229
      ld_shlibs=no
230
    fi
231
    ;;
232
  esac
233
 
234
  case "$host_os" in
235
  freebsd*)
236
    skip_need_lc_check=yes
237
    ;;
238
  esac
239
 
240
  if test "$ld_shlibs" = yes; then
241
    runpath_var=LD_RUN_PATH
242
    hardcode_libdir_flag_spec='${wl}--rpath ${wl}$libdir'
243
    export_dynamic_flag_spec='${wl}--export-dynamic'
244
    case $host_os in
245
    cygwin* | mingw*)
246
      # dlltool doesn't understand --whole-archive et. al.
247
      whole_archive_flag_spec=
248
      ;;
249
    *)
250
      # ancient GNU ld didn't support --whole-archive et. al.
251
      if $LD --help 2>&1 | egrep 'no-whole-archive' > /dev/null; then
252
        whole_archive_flag_spec="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
253
      else
254
        whole_archive_flag_spec=
255
      fi
256
      ;;
257
    esac
258
  fi
259
else
260
  # PORTME fill in a description of your system's linker (not GNU ld)
261
  case $host_os in
262
  aix3*)
263
    allow_undefined_flag=unsupported
264
    always_export_symbols=yes
265
    archive_expsym_cmds='$LD -o $output_objdir/$soname $libobjs $deplibs $linker_flags -bE:$export_symbols -T512 -H512 -bM:SRE~$AR $AR_FLAGS $lib $output_objdir/$soname'
266
    # Note: this linker hardcodes the directories in LIBPATH if there
267
    # are no directories specified by -L.
268
    hardcode_minus_L=yes
269
    if test "$with_gcc" = yes && test -z "$link_static_flag"; then
270
      # Neither direct hardcoding nor static linking is supported with a
271
      # broken collect2.
272
      hardcode_direct=unsupported
273
    fi
274
    ;;
275
 
276
  aix4* | aix5*)
277
    hardcode_direct=yes
278
    hardcode_libdir_separator=':'
279
    link_all_deplibs=yes
280
    # When large executables or shared objects are built, AIX ld can
281
    # have problems creating the table of contents.  If linking a library
282
    # or program results in "error TOC overflow" add -mminimal-toc to
283
    # CXXFLAGS/CFLAGS for g++/gcc.  In the cases where that is not
284
    # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS.
285
    if test "$with_gcc" = yes; then
286
      case $host_os in aix4.[012]|aix4.[012].*)
287
      # We only want to do this on AIX 4.2 and lower, the check
288
      # below for broken collect2 doesn't work under 4.3+
289
        collect2name=`${CC} -print-prog-name=collect2`
290
        if test -f "$collect2name" && \
291
           strings "$collect2name" | grep resolve_lib_name >/dev/null
292
        then
293
          # We have reworked collect2
294
          hardcode_direct=yes
295
        else
296
          # We have old collect2
297
          hardcode_direct=unsupported
298
          # It fails to find uninstalled libraries when the uninstalled
299
          # path is not listed in the libpath.  Setting hardcode_minus_L
300
          # to unsupported forces relinking
301
          hardcode_minus_L=yes
302
          hardcode_libdir_flag_spec='-L$libdir'
303
          hardcode_libdir_separator=
304
        fi
305
      esac
306
      shared_flag='-shared'
307
    else
308
      # not using gcc
309
      if test "$host_cpu" = ia64; then
310
        shared_flag='${wl}-G'
311
      else
312
        shared_flag='${wl}-bM:SRE'
313
      fi
314
    fi
315
 
316
    if test "$host_cpu" = ia64; then
317
      # On IA64, the linker does run time linking by default, so we don't
318
      # have to do anything special.
319
      aix_use_runtimelinking=no
320
      exp_sym_flag='-Bexport'
321
      no_entry_flag=""
322
    else
323
      # KDE requires run time linking.  Make it the default.
324
      aix_use_runtimelinking=yes
325
      exp_sym_flag='-bexport'
326
      no_entry_flag='-bnoentry'
327
    fi
328
    # Let the compiler handle the export list.
329
    always_export_symbols=no
330
    if test "$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=' ${wl}-berok'
334
      # The following three lines along with hardcode_into_libs=yes put the correct path into libraries.
335
      hardcode_libdir_flag_spec='${wl}-blibpath:$libdir${libdir:+:}/usr/lib:/lib'
336
      archive_cmds='$CC '"$shared_flag"' $libobjs $deplibs $compiler_flags ${wl}-G '"$hardcode_libdir_flag_spec"' -o $lib'
337
      archive_expsym_cmds='$CC '"$shared_flag"' $libobjs $deplibs $compiler_flags ${wl}-G '"$hardcode_libdir_flag_spec"' ${wl}'"$exp_sym_flag"':$export_symbols -o $lib'
338
    else
339
      if test "$host_cpu" = ia64; then
340
        hardcode_libdir_flag_spec='${wl}-R $libdir${libdir:+:}/usr/lib:/lib'
341
        allow_undefined_flag="-z nodefs"
342
        archive_cmds='$CC '"$shared_flag"' $libobjs $deplibs $compiler_flags '"$hardcode_libdir_flag_spec"' -o $lib'
343
        archive_expsym_cmds='$CC '"$shared_flag"' $libobjs $deplibs $compiler_flags '"$hardcode_libdir_flag_spec"' ${wl}'"$exp_sym_flag"':$export_symbols -o $lib'
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
    ;;
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'
381
    fix_srcfile_path='`cygpath -w "$srcfile"`'
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
    skip_need_lc_check=yes
414
    ;;
415
 
416
  hpux9* | hpux10* | hpux11*)
417
    case $host_os in
418
    hpux9*) archive_cmds='$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 $lib' ;;
419
    *) archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags' ;;
420
    esac
421
    hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
422
    hardcode_libdir_separator=:
423
    hardcode_direct=yes
424
    hardcode_minus_L=yes # Not in the search PATH, but as the default
425
                         # location of the library.
426
    export_dynamic_flag_spec='${wl}-E'
427
    ;;
428
 
429
  irix5* | irix6*)
430
    if test "$with_gcc" = yes; then
431
      archive_cmds='$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 $lib'
432
    else
433
      archive_cmds='$LD -shared $libobjs $deplibs $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib'
434
    fi
435
    hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
436
    hardcode_libdir_separator=:
437
    link_all_deplibs=yes
438
    ;;
439
 
440
  netbsd*)
441
    if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
442
      archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'  # a.out
443
    else
444
      archive_cmds='$LD -shared -o $lib $libobjs $deplibs $linker_flags'      # ELF
445
    fi
446
    hardcode_libdir_flag_spec='-R$libdir'
447
    hardcode_direct=yes
448
    hardcode_shlibpath_var=no
449
    ;;
450
 
451
  newsos6)
452
    archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
453
    hardcode_direct=yes
454
    hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
455
    hardcode_libdir_separator=:
456
    hardcode_shlibpath_var=no
457
    ;;
458
 
459
  openbsd*)
460
    archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
461
    hardcode_libdir_flag_spec='-R$libdir'
462
    hardcode_direct=yes
463
    hardcode_shlibpath_var=no
464
    ;;
465
 
466
  os2*)
467
    hardcode_libdir_flag_spec='-L$libdir'
468
    hardcode_minus_L=yes
469
    allow_undefined_flag=unsupported
470
    archive_cmds='$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'
471
    old_archive_from_new_cmds='emximp -o $output_objdir/$libname.a $output_objdir/$libname.def'
472
    ;;
473
 
474
  osf3*)
475
    if test "$with_gcc" = yes; then
476
      allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
477
      archive_cmds='$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 $lib'
478
    else
479
      allow_undefined_flag=' -expect_unresolved \*'
480
      archive_cmds='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib'
481
    fi
482
    hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
483
    hardcode_libdir_separator=:
484
    ;;
485
 
486
  osf4* | osf5*)        # as osf3* with the addition of -msym flag
487
    if test "$with_gcc" = yes; then
488
      allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
489
      archive_cmds='$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 $lib'
490
    else
491
      allow_undefined_flag=' -expect_unresolved \*'
492
      archive_cmds='$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'
493
      archive_expsym_cmds='for i in `cat $export_symbols`; do printf "-exported_symbol " >> $lib.exp; echo "\$i" >> $lib.exp; done; echo "-hidden">> $lib.exp~
494
      $LD -shared${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'
495
    fi
496
    hardcode_libdir_flag_spec='-rpath $libdir'
497
    hardcode_libdir_separator=:
498
    ;;
499
 
500
  sco3.2v5*)
501
    archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
502
    hardcode_shlibpath_var=no
503
    runpath_var=LD_RUN_PATH
504
    hardcode_runpath_var=yes
505
    ;;
506
 
507
  solaris*)
508
    no_undefined_flag=' -z text'
509
    # $CC -shared without GNU ld will not create a library from C++
510
    # object files and a static libstdc++, better avoid it by now
511
    archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags'
512
    archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
513
                $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$rm $lib.exp'
514
    hardcode_libdir_flag_spec='-R$libdir'
515
    hardcode_shlibpath_var=no
516
    case $host_os in
517
    solaris2.[0-5] | solaris2.[0-5].*) ;;
518
    *) # Supported since Solaris 2.6 (maybe 2.5.1?)
519
      whole_archive_flag_spec='-z allextract$convenience -z defaultextract' ;;
520
    esac
521
    link_all_deplibs=yes
522
    ;;
523
 
524
  sunos4*)
525
    archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags'
526
    hardcode_libdir_flag_spec='-L$libdir'
527
    hardcode_direct=yes
528
    hardcode_minus_L=yes
529
    hardcode_shlibpath_var=no
530
    ;;
531
 
532
  sysv4)
533
    archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
534
    runpath_var='LD_RUN_PATH'
535
    hardcode_shlibpath_var=no
536
    hardcode_direct=no #Motorola manual says yes, but my tests say they lie
537
    ;;
538
 
539
  sysv4.3*)
540
    archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
541
    hardcode_shlibpath_var=no
542
    export_dynamic_flag_spec='-Bexport'
543
    ;;
544
 
545
  sysv5*)
546
    no_undefined_flag=' -z text'
547
    # $CC -shared without GNU ld will not create a library from C++
548
    # object files and a static libstdc++, better avoid it by now
549
    archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags'
550
    archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
551
                $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$rm $lib.exp'
552
    hardcode_libdir_flag_spec=
553
    hardcode_shlibpath_var=no
554
    runpath_var='LD_RUN_PATH'
555
    ;;
556
 
557
  uts4*)
558
    archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
559
    hardcode_libdir_flag_spec='-L$libdir'
560
    hardcode_shlibpath_var=no
561
    ;;
562
 
563
  dgux*)
564
    archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
565
    hardcode_libdir_flag_spec='-L$libdir'
566
    hardcode_shlibpath_var=no
567
    ;;
568
 
569
  sysv4*MP*)
570
    if test -d /usr/nec; then
571
      archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
572
      hardcode_shlibpath_var=no
573
      runpath_var=LD_RUN_PATH
574
      hardcode_runpath_var=yes
575
      ld_shlibs=yes
576
    fi
577
    ;;
578
 
579
  sysv4.2uw2*)
580
    archive_cmds='$LD -G -o $lib $libobjs $deplibs $linker_flags'
581
    hardcode_direct=yes
582
    hardcode_minus_L=no
583
    hardcode_shlibpath_var=no
584
    hardcode_runpath_var=yes
585
    runpath_var=LD_RUN_PATH
586
    ;;
587
 
588
  unixware7*)
589
    archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
590
    runpath_var='LD_RUN_PATH'
591
    hardcode_shlibpath_var=no
592
    ;;
593
 
594
  *)
595
    ld_shlibs=no
596
    ;;
597
  esac
598
fi
599
 
600
## Compiler Characteristics: PIC flags, static flags, etc
601
if test "X${ac_cv_prog_cc_pic+set}" = Xset; then
602
  :
603
else
604
  ac_cv_prog_cc_pic=
605
  ac_cv_prog_cc_shlib=
606
  ac_cv_prog_cc_wl=
607
  ac_cv_prog_cc_static=
608
  ac_cv_prog_cc_no_builtin=
609
  ac_cv_prog_cc_can_build_shared=$can_build_shared
610
 
611
  if test "$with_gcc" = yes; then
612
    ac_cv_prog_cc_wl='-Wl,'
613
    ac_cv_prog_cc_static='-static'
614
 
615
    case $host_os in
616
    aix*)
617
      # All AIX code is PIC.
618
      if test "$host_cpu" = ia64; then
619
        # AIX 5 now supports IA64 processor
620
        lt_cv_prog_cc_static='-Bstatic'
621
      else
622
        lt_cv_prog_cc_static='-bnso -bI:/lib/syscalls.exp'
623
      fi
624
      ;;
625
    amigaos*)
626
      # FIXME: we need at least 68020 code to build shared libraries, but
627
      # adding the `-m68020' flag to GCC prevents building anything better,
628
      # like `-m68040'.
629
      ac_cv_prog_cc_pic='-m68020 -resident32 -malways-restore-a4'
630
      ;;
631
    beos* | irix5* | irix6* | osf3* | osf4* | osf5*)
632
      # PIC is the default for these OSes.
633
      ;;
634
    cygwin* | mingw* | os2*)
635
      # This hack is so that the source file can tell whether it is being
636
      # built for inclusion in a dll (and should export symbols for example).
637
      ac_cv_prog_cc_pic='-DDLL_EXPORT'
638
      ;;
639
    darwin* | rhapsody*)
640
      # PIC is the default on this platform
641
      # Common symbols not allowed in MH_DYLIB files
642
      lt_cv_prog_cc_pic='-fno-common'
643
      ;;
644
    *djgpp*)
645
      # DJGPP does not support shared libraries at all
646
      ac_cv_prog_cc_pic=
647
      ;;
648
    sysv4*MP*)
649
      if test -d /usr/nec; then
650
         ac_cv_prog_cc_pic=-Kconform_pic
651
      fi
652
      ;;
653
    *)
654
      ac_cv_prog_cc_pic='-fPIC'
655
      ;;
656
    esac
657
  else
658
    # PORTME Check for PIC flags for the system compiler.
659
    case $host_os in
660
    aix*)
661
     # All AIX code is PIC.
662
      ac_cv_prog_cc_static="$ac_cv_prog_cc_static ${ac_cv_prog_cc_wl}-lC"
663
      ;;
664
 
665
    hpux9* | hpux10* | hpux11*)
666
      # Is there a better ac_cv_prog_cc_static that works with the bundled CC?
667
      ac_cv_prog_cc_wl='-Wl,'
668
      ac_cv_prog_cc_static="${ac_cv_prog_cc_wl}-a ${ac_cv_prog_cc_wl}archive"
669
      ac_cv_prog_cc_pic='+Z'
670
      ;;
671
 
672
    irix5* | irix6*)
673
      ac_cv_prog_cc_wl='-Wl,'
674
      ac_cv_prog_cc_static='-non_shared'
675
      # PIC (with -KPIC) is the default.
676
      ;;
677
 
678
    cygwin* | mingw* | os2*)
679
      # This hack is so that the source file can tell whether it is being
680
      # built for inclusion in a dll (and should export symbols for example).
681
      ac_cv_prog_cc_pic='-DDLL_EXPORT'
682
      ;;
683
 
684
    linux*)
685
      case "$CC" in
686
        ccc*)
687
          # Compaq C
688
          # It appears that all Alpha
689
          # Linux and Compaq Tru64 Unix objects are PIC.
690
          ac_cv_prog_cc_static='-non_shared'
691
          ;;
692
        KCC*)
693
          # KAI C++
694
          ac_cv_prog_cc_pic='-fPIC'
695
          ac_cv_prog_cc_wl='--backend -Wl,'
696
          ac_cv_prog_cc_static='-Bstatic'
697
          ;;
698
        *)
699
          ;;
700
      esac
701
      ;;
702
 
703
    newsos6)
704
      ac_cv_prog_cc_pic='-KPIC'
705
      ac_cv_prog_cc_static='-Bstatic'
706
      ;;
707
 
708
    osf3* | osf4* | osf5*)
709
      # All OSF/1 code is PIC.
710
      ac_cv_prog_cc_wl='-Wl,'
711
      ac_cv_prog_cc_static='-non_shared'
712
      ;;
713
 
714
    sco3.2v5*)
715
      ac_cv_prog_cc_pic='-Kpic'
716
      ac_cv_prog_cc_static='-dn'
717
      ac_cv_prog_cc_shlib='-belf'
718
      ;;
719
 
720
    solaris*)
721
      ac_cv_prog_cc_pic='-KPIC'
722
      ac_cv_prog_cc_static='-Bstatic'
723
      ac_cv_prog_cc_wl='-Wl,'
724
      ;;
725
 
726
    sunos4*)
727
      ac_cv_prog_cc_pic='-PIC'
728
      ac_cv_prog_cc_static='-Bstatic'
729
      ac_cv_prog_cc_wl='-Qoption ld '
730
      ;;
731
 
732
    sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
733
      ac_cv_prog_cc_pic='-KPIC'
734
      ac_cv_prog_cc_static='-Bstatic'
735
      ac_cv_prog_cc_wl='-Wl,'
736
      ;;
737
 
738
    uts4*)
739
      ac_cv_prog_cc_pic='-pic'
740
      ac_cv_prog_cc_static='-Bstatic'
741
      ;;
742
 
743
    sysv4*MP*)
744
      if test -d /usr/nec ;then
745
        ac_cv_prog_cc_pic='-Kconform_pic'
746
        ac_cv_prog_cc_static='-Bstatic'
747
      fi
748
      ;;
749
 
750
    *)
751
      ac_cv_prog_cc_can_build_shared=no
752
      ;;
753
    esac
754
  fi
755
  case "$host_os" in
756
      # Platforms which do not suport PIC and -DPIC is meaningless
757
      # on them:
758
      *djgpp*)
759
        ac_cv_prog_cc_pic=
760
        ;;
761
      *)
762
        ac_cv_prog_cc_pic="$ac_cv_prog_cc_pic -DPIC"
763
        ;;
764
  esac
765
fi
766
 
767
need_lc=yes
768
if test "$enable_shared" = yes && test "$with_gcc" = yes; then
769
  case $archive_cmds in
770
  *'~'*)
771
    # FIXME: we may have to deal with multi-command sequences.
772
    ;;
773
  '$CC '*)
774
    # Test whether the compiler implicitly links with -lc since on some
775
    # systems, -lgcc has to come before -lc. If gcc already passes -lc
776
    # to ld, don't add -lc before -lgcc.
777
    echo $ac_n "checking whether -lc should be explicitly linked in... $ac_c" 1>&6
778
    if eval "test \"`echo '$''{'ac_cv_archive_cmds_needs_lc'+set}'`\" = set"; then
779
      echo $ac_n "(cached) $ac_c" 1>&6
780
      need_lc=$ac_cv_archive_cmds_needs_lc
781
    elif test "x$skip_need_lc_check" = "xyes" ; then
782
      echo $ac_n "(skipping, using no) $ac_c" 1>&6
783
      need_lc=no
784
    else
785
      $rm conftest*
786
      echo "static int dummy;" > conftest.$ac_ext
787
      if { (eval echo ltcf-c.sh:need_lc: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; }; then
788
        # Append any warnings to the config.log.
789
        cat conftest.err 1>&5
790
        soname=conftest
791
        lib=conftest
792
        libobjs=conftest.$ac_objext
793
        deplibs=
794
        wl=$ac_cv_prog_cc_wl
795
        compiler_flags=-v
796
        linker_flags=-v
797
        verstring=
798
        output_objdir=.
799
        libname=conftest
800
        save_allow_undefined_flag=$allow_undefined_flag
801
        allow_undefined_flag=
802
        if { (eval echo ltcf-c.sh:need_lc: \"$archive_cmds\") 1>&5; (eval $archive_cmds) 2>&1 | grep " -lc " 1>&5 ; }; then
803
          need_lc=no
804
        fi
805
        allow_undefined_flag=$save_allow_undefined_flag
806
      else
807
        cat conftest.err 1>&5
808
      fi
809
    fi
810
    $rm conftest*
811
    echo "$ac_t$need_lc" 1>&6
812
    ;;
813
  esac
814
fi
815
ac_cv_archive_cmds_needs_lc=$need_lc