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[/] [or1k/] [trunk/] [insight/] [ltcf-c.sh] - Blame information for rev 1768

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1 578 markom
#### 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 -nodefaultlibs $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
192
      archive_expsym_cmds='$CC -shared -nodefaultlibs $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
  if test "$ld_shlibs" = yes; then
235
    runpath_var=LD_RUN_PATH
236
    hardcode_libdir_flag_spec='${wl}--rpath ${wl}$libdir'
237
    export_dynamic_flag_spec='${wl}--export-dynamic'
238
    case $host_os in
239
    cygwin* | mingw*)
240
      # dlltool doesn't understand --whole-archive et. al.
241
      whole_archive_flag_spec=
242
      ;;
243
    *)
244
      # ancient GNU ld didn't support --whole-archive et. al.
245
      if $LD --help 2>&1 | egrep 'no-whole-archive' > /dev/null; then
246
        whole_archive_flag_spec="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
247
      else
248
        whole_archive_flag_spec=
249
      fi
250
      ;;
251
    esac
252
  fi
253
else
254
  # PORTME fill in a description of your system's linker (not GNU ld)
255
  case $host_os in
256
  aix3*)
257
    allow_undefined_flag=unsupported
258
    always_export_symbols=yes
259
    archive_expsym_cmds='$LD -o $output_objdir/$soname $libobjs $deplibs $linker_flags -bE:$export_symbols -T512 -H512 -bM:SRE~$AR $AR_FLAGS $lib $output_objdir/$soname'
260
    # Note: this linker hardcodes the directories in LIBPATH if there
261
    # are no directories specified by -L.
262
    hardcode_minus_L=yes
263
    if test "$with_gcc" = yes && test -z "$link_static_flag"; then
264
      # Neither direct hardcoding nor static linking is supported with a
265
      # broken collect2.
266
      hardcode_direct=unsupported
267
    fi
268
    ;;
269
 
270
  aix4* | aix5*)
271
    hardcode_direct=yes
272
    hardcode_libdir_separator=':'
273
    link_all_deplibs=yes
274
    # When large executables or shared objects are built, AIX ld can
275
    # have problems creating the table of contents.  If linking a library
276
    # or program results in "error TOC overflow" add -mminimal-toc to
277
    # CXXFLAGS/CFLAGS for g++/gcc.  In the cases where that is not
278
    # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS.
279
    if test "$with_gcc" = yes; then
280
      case $host_os in aix4.[012]|aix4.[012].*)
281
      # We only want to do this on AIX 4.2 and lower, the check
282
      # below for broken collect2 doesn't work under 4.3+
283
        collect2name=`${CC} -print-prog-name=collect2`
284
        if test -f "$collect2name" && \
285
           strings "$collect2name" | grep resolve_lib_name >/dev/null
286
        then
287
          # We have reworked collect2
288
          hardcode_direct=yes
289
        else
290
          # We have old collect2
291
          hardcode_direct=unsupported
292
          # It fails to find uninstalled libraries when the uninstalled
293
          # path is not listed in the libpath.  Setting hardcode_minus_L
294
          # to unsupported forces relinking
295
          hardcode_minus_L=yes
296
          hardcode_libdir_flag_spec='-L$libdir'
297
          hardcode_libdir_separator=
298
        fi
299
      esac
300
      shared_flag='-shared'
301
    else
302
      # not using gcc
303
      if test "$host_cpu" = ia64; then
304
        shared_flag='${wl}-G'
305
      else
306
        shared_flag='${wl}-bM:SRE'
307
      fi
308
    fi
309
 
310
    if test "$host_cpu" = ia64; then
311
      # On IA64, the linker does run time linking by default, so we don't
312
      # have to do anything special.
313
      aix_use_runtimelinking=no
314
      exp_sym_flag='-Bexport'
315
      no_entry_flag=""
316
    else
317
      # Test if we are trying to use run time linking, or normal AIX style linking.
318
      # If -brtl is somewhere in LDFLAGS, we need to do run time linking.
319
      aix_use_runtimelinking=no
320
      for ld_flag in $LDFLAGS; do
321
        if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl" ); then
322
          aix_use_runtimelinking=yes
323
          break
324
        fi
325
      done
326
      exp_sym_flag='-bexport'
327
      no_entry_flag='-bnoentry'
328
    fi
329
    # -bexpall does not export symbols beginning with underscore (_)
330
    always_export_symbols=yes
331
    if test "$aix_use_runtimelinking" = yes; then
332
      # Warning - without using the other run time loading flags (-brtl), -berok will
333
      #           link without error, but may produce a broken library.
334
      allow_undefined_flag=' ${wl}-berok'
335
      hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:/usr/lib:/lib'
336
      archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs $compiler_flags ${allow_undefined_flag} '"\${wl}$no_entry_flag \${wl}$exp_sym_flag:\$export_symbols"
337
    else
338
      if test "$host_cpu" = ia64; then
339
        hardcode_libdir_flag_spec='${wl}-R $libdir:/usr/lib:/lib'
340
        allow_undefined_flag="-z nodefs"
341
        archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs $compiler_flags ${wl}${allow_undefined_flag} '"\${wl}$no_entry_flag \${wl}$exp_sym_flag:\$export_symbols"
342
      else
343
        allow_undefined_flag=' ${wl}-berok'
344
        # -bexpall does not export symbols beginning with underscore (_)
345
        always_export_symbols=yes
346
        # Exported symbols can be pulled into shared objects from archives
347
        whole_archive_flag_spec=' '
348
        build_libtool_need_lc=yes
349
        hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:/usr/lib:/lib'
350
        # This is similar to how AIX traditionally builds it's shared libraries.
351
        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'
352
      fi
353
    fi
354
    ;;
355
 
356
  amigaos*)
357
    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 $output_objdir && a2ixlibrary -32)'
358
    hardcode_libdir_flag_spec='-L$libdir'
359
    hardcode_minus_L=yes
360
    # see comment about different semantics on the GNU ld section
361
    ld_shlibs=no
362
    ;;
363
 
364
  cygwin* | mingw*)
365
    # When not using gcc, we currently assume that we are using
366
    # Microsoft Visual C++.
367
    # hardcode_libdir_flag_spec is actually meaningless, as there is
368
    # no search path for DLLs.
369
    hardcode_libdir_flag_spec=' '
370
    allow_undefined_flag=unsupported
371
    # Tell ltmain to make .lib files, not .a files.
372
    libext=lib
373
    # FIXME: Setting linknames here is a bad hack.
374
    archive_cmds='$CC -o $lib $libobjs $compiler_flags `echo "$deplibs" | sed -e '\''s/ -lc$//'\''` -link -dll~linknames='
375
    # The linker will automatically build a .lib file if we build a DLL.
376
    old_archive_from_new_cmds='true'
377
    # FIXME: Should let the user specify the lib program.
378
    old_archive_cmds='lib /OUT:$oldlib$oldobjs$old_deplibs'
379
    fix_srcfile_path='`cygpath -w "$srcfile"`'
380
    ;;
381
 
382
  freebsd1*)
383
    ld_shlibs=no
384
    ;;
385
 
386
  # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor
387
  # support.  Future versions do this automatically, but an explicit c++rt0.o
388
  # does not break anything, and helps significantly (at the cost of a little
389
  # extra space).
390
  freebsd2.2*)
391
    archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o'
392
    hardcode_libdir_flag_spec='-R$libdir'
393
    hardcode_direct=yes
394
    hardcode_shlibpath_var=no
395
    ;;
396
 
397
  # Unfortunately, older versions of FreeBSD 2 do not have this feature.
398
  freebsd2*)
399
    archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
400
    hardcode_direct=yes
401
    hardcode_minus_L=yes
402
    hardcode_shlibpath_var=no
403
    ;;
404
 
405
  # FreeBSD 3 and greater uses gcc -shared to do shared libraries.
406
  freebsd*)
407
    archive_cmds='$CC -shared -o $lib $libobjs $deplibs $compiler_flags'
408
    hardcode_libdir_flag_spec='-R$libdir'
409
    hardcode_direct=yes
410
    hardcode_shlibpath_var=no
411
    ;;
412
 
413
  hpux9* | hpux10* | hpux11*)
414
    if test $with_gcc = yes; then
415
      case "$host_os" in
416
      hpux9*) archive_cmds='$rm $output_objdir/$soname~$CC -shared -fPIC ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $libobjs $deplibs $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib' ;;
417
      *) archive_cmds='$CC -shared -fPIC ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags' ;;
418
      esac
419
    else
420
      case $host_os in
421
      hpux9*) archive_cmds='$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 $lib' ;;
422
      *) archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags' ;;
423
      esac
424
    fi
425
    hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
426
    hardcode_libdir_separator=:
427
    hardcode_direct=yes
428
    hardcode_minus_L=yes # Not in the search PATH, but as the default
429
                         # location of the library.
430
    export_dynamic_flag_spec='${wl}-E'
431
    ;;
432
 
433
  irix5* | irix6*)
434
    if test "$with_gcc" = yes; then
435
      archive_cmds='$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 $lib'
436
    else
437
      archive_cmds='$LD -shared $libobjs $deplibs $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib'
438
    fi
439
    hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
440
    hardcode_libdir_separator=:
441
    link_all_deplibs=yes
442
    ;;
443
 
444
  netbsd*)
445
    if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
446
      archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'  # a.out
447
    else
448
      archive_cmds='$LD -shared -o $lib $libobjs $deplibs $linker_flags'      # ELF
449
    fi
450
    hardcode_libdir_flag_spec='-R$libdir'
451
    hardcode_direct=yes
452
    hardcode_shlibpath_var=no
453
    ;;
454
 
455
  newsos6)
456
    archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
457
    hardcode_direct=yes
458
    hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
459
    hardcode_libdir_separator=:
460
    hardcode_shlibpath_var=no
461
    ;;
462
 
463
  openbsd*)
464
    archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
465
    hardcode_libdir_flag_spec='-R$libdir'
466
    hardcode_direct=yes
467
    hardcode_shlibpath_var=no
468
    ;;
469
 
470
  os2*)
471
    hardcode_libdir_flag_spec='-L$libdir'
472
    hardcode_minus_L=yes
473
    allow_undefined_flag=unsupported
474
    archive_cmds='$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'
475
    old_archive_from_new_cmds='emximp -o $output_objdir/$libname.a $output_objdir/$libname.def'
476
    ;;
477
 
478
  osf3*)
479
    if test "$with_gcc" = yes; then
480
      allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
481
      archive_cmds='$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 $lib'
482
    else
483
      allow_undefined_flag=' -expect_unresolved \*'
484
      archive_cmds='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib'
485
    fi
486
    hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
487
    hardcode_libdir_separator=:
488
    ;;
489
 
490
  osf4* | osf5*)        # as osf3* with the addition of -msym flag
491
    if test "$with_gcc" = yes; then
492
      allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
493
      archive_cmds='$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 $lib'
494
      hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
495
    else
496
      allow_undefined_flag=' -expect_unresolved \*'
497
      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'
498
      archive_expsym_cmds='for i in `cat $export_symbols`; do printf "-exported_symbol " >> $lib.exp; echo "\$i" >> $lib.exp; done; echo "-hidden">> $lib.exp~
499
      $LD -shared${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'
500
 
501
      # cc supports -rpath directly
502
      hardcode_libdir_flag_spec='-rpath $libdir'
503
    fi
504
    hardcode_libdir_separator=:
505
    ;;
506
 
507
  sco3.2v5*)
508
    archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
509
    hardcode_shlibpath_var=no
510
    runpath_var=LD_RUN_PATH
511
    hardcode_runpath_var=yes
512
    ;;
513
 
514
  solaris*)
515
    no_undefined_flag=' -z defs'
516
    if test "$with_gcc" = yes; then
517
      archive_cmds='$CC -shared ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
518
      archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
519
                  $CC -shared ${wl}-M ${wl}$lib.exp ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags~$rm $lib.exp'
520
    else
521
      archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags'
522
      archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
523
                  $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$rm $lib.exp'
524
    fi
525
    hardcode_libdir_flag_spec='-R$libdir'
526
    hardcode_shlibpath_var=no
527
    case $host_os in
528
    solaris2.[0-5] | solaris2.[0-5].*) ;;
529
    *) # Supported since Solaris 2.6 (maybe 2.5.1?)
530
      whole_archive_flag_spec='-z allextract$convenience -z defaultextract' ;;
531
    esac
532
    link_all_deplibs=yes
533
    ;;
534
 
535
  sunos4*)
536
    archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags'
537
    hardcode_libdir_flag_spec='-L$libdir'
538
    hardcode_direct=yes
539
    hardcode_minus_L=yes
540
    hardcode_shlibpath_var=no
541
    ;;
542
 
543
  sysv4)
544
    archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
545
    runpath_var='LD_RUN_PATH'
546
    hardcode_shlibpath_var=no
547
    hardcode_direct=no #Motorola manual says yes, but my tests say they lie
548
    ;;
549
 
550
  sysv4.3*)
551
    archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
552
    hardcode_shlibpath_var=no
553
    export_dynamic_flag_spec='-Bexport'
554
    ;;
555
 
556
  sysv5*)
557
    no_undefined_flag=' -z text'
558
    # $CC -shared without GNU ld will not create a library from C++
559
    # object files and a static libstdc++, better avoid it by now
560
    archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags'
561
    archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
562
                $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$rm $lib.exp'
563
    hardcode_libdir_flag_spec=
564
    hardcode_shlibpath_var=no
565
    runpath_var='LD_RUN_PATH'
566
    ;;
567
 
568
  uts4*)
569
    archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
570
    hardcode_libdir_flag_spec='-L$libdir'
571
    hardcode_shlibpath_var=no
572
    ;;
573
 
574
  dgux*)
575
    archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
576
    hardcode_libdir_flag_spec='-L$libdir'
577
    hardcode_shlibpath_var=no
578
    ;;
579
 
580
  sysv4*MP*)
581
    if test -d /usr/nec; then
582
      archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
583
      hardcode_shlibpath_var=no
584
      runpath_var=LD_RUN_PATH
585
      hardcode_runpath_var=yes
586
      ld_shlibs=yes
587
    fi
588
    ;;
589
 
590
  sysv4.2uw2*)
591
    archive_cmds='$LD -G -o $lib $libobjs $deplibs $linker_flags'
592
    hardcode_direct=yes
593
    hardcode_minus_L=no
594
    hardcode_shlibpath_var=no
595
    hardcode_runpath_var=yes
596
    runpath_var=LD_RUN_PATH
597
    ;;
598
 
599
  sysv5uw7* | unixware7*)
600
    no_undefined_flag='${wl}-z ${wl}text'
601
    if test "$GCC" = yes; then
602
      archive_cmds='$CC -shared ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
603
    else
604
      archive_cmds='$CC -G ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
605
    fi
606
    runpath_var='LD_RUN_PATH'
607
    hardcode_shlibpath_var=no
608
    ;;
609
 
610
  *)
611
    ld_shlibs=no
612
    ;;
613
  esac
614
fi
615
 
616
## Compiler Characteristics: PIC flags, static flags, etc
617
if test "X${ac_cv_prog_cc_pic+set}" = Xset; then
618
  :
619
else
620
  ac_cv_prog_cc_pic=
621
  ac_cv_prog_cc_shlib=
622
  ac_cv_prog_cc_wl=
623
  ac_cv_prog_cc_static=
624
  ac_cv_prog_cc_no_builtin=
625
  ac_cv_prog_cc_can_build_shared=$can_build_shared
626
 
627
  if test "$with_gcc" = yes; then
628
    ac_cv_prog_cc_wl='-Wl,'
629
    ac_cv_prog_cc_static='-static'
630
 
631
    case $host_os in
632
    aix*)
633
      # All AIX code is PIC.
634
      if test "$host_cpu" = ia64; then
635
        # AIX 5 now supports IA64 processor
636
        lt_cv_prog_cc_static='-Bstatic'
637
      else
638
        lt_cv_prog_cc_static='-bnso -bI:/lib/syscalls.exp'
639
      fi
640
      ;;
641
    amigaos*)
642
      # FIXME: we need at least 68020 code to build shared libraries, but
643
      # adding the `-m68020' flag to GCC prevents building anything better,
644
      # like `-m68040'.
645
      ac_cv_prog_cc_pic='-m68020 -resident32 -malways-restore-a4'
646
      ;;
647
    beos* | irix5* | irix6* | osf3* | osf4* | osf5*)
648
      # PIC is the default for these OSes.
649
      ;;
650
    cygwin* | mingw* | os2*)
651
      # This hack is so that the source file can tell whether it is being
652
      # built for inclusion in a dll (and should export symbols for example).
653
      ac_cv_prog_cc_pic='-DDLL_EXPORT'
654
      ;;
655
    darwin* | rhapsody*)
656
      # PIC is the default on this platform
657
      # Common symbols not allowed in MH_DYLIB files
658
      lt_cv_prog_cc_pic='-fno-common'
659
      ;;
660
    *djgpp*)
661
      # DJGPP does not support shared libraries at all
662
      ac_cv_prog_cc_pic=
663
      ;;
664
    sysv4*MP*)
665
      if test -d /usr/nec; then
666
         ac_cv_prog_cc_pic=-Kconform_pic
667
      fi
668
      ;;
669
    *)
670
      ac_cv_prog_cc_pic='-fPIC'
671
      ;;
672
    esac
673
  else
674
    # PORTME Check for PIC flags for the system compiler.
675
    case $host_os in
676
    aix*)
677
     # All AIX code is PIC.
678
      ac_cv_prog_cc_static="$ac_cv_prog_cc_static ${ac_cv_prog_cc_wl}-lC"
679
      ;;
680
 
681
    hpux9* | hpux10* | hpux11*)
682
      # Is there a better ac_cv_prog_cc_static that works with the bundled CC?
683
      ac_cv_prog_cc_wl='-Wl,'
684
      ac_cv_prog_cc_static="${ac_cv_prog_cc_wl}-a ${ac_cv_prog_cc_wl}archive"
685
      ac_cv_prog_cc_pic='+Z'
686
      ;;
687
 
688
    irix5* | irix6*)
689
      ac_cv_prog_cc_wl='-Wl,'
690
      ac_cv_prog_cc_static='-non_shared'
691
      # PIC (with -KPIC) is the default.
692
      ;;
693
 
694
    cygwin* | mingw* | os2*)
695
      # This hack is so that the source file can tell whether it is being
696
      # built for inclusion in a dll (and should export symbols for example).
697
      ac_cv_prog_cc_pic='-DDLL_EXPORT'
698
      ;;
699
 
700
    newsos6)
701
      ac_cv_prog_cc_pic='-KPIC'
702
      ac_cv_prog_cc_static='-Bstatic'
703
      ;;
704
 
705
    osf3* | osf4* | osf5*)
706
      # All OSF/1 code is PIC.
707
      ac_cv_prog_cc_wl='-Wl,'
708
      ac_cv_prog_cc_static='-non_shared'
709
      ;;
710
 
711
    sco3.2v5*)
712
      ac_cv_prog_cc_pic='-Kpic'
713
      ac_cv_prog_cc_static='-dn'
714
      ac_cv_prog_cc_shlib='-belf'
715
      ;;
716
 
717
    solaris*)
718
      ac_cv_prog_cc_pic='-KPIC'
719
      ac_cv_prog_cc_static='-Bstatic'
720
      ac_cv_prog_cc_wl='-Wl,'
721
      ;;
722
 
723
    sunos4*)
724
      ac_cv_prog_cc_pic='-PIC'
725
      ac_cv_prog_cc_static='-Bstatic'
726
      ac_cv_prog_cc_wl='-Qoption ld '
727
      ;;
728
 
729
    sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
730
      ac_cv_prog_cc_pic='-KPIC'
731
      ac_cv_prog_cc_static='-Bstatic'
732
      ac_cv_prog_cc_wl='-Wl,'
733
      ;;
734
 
735
    uts4*)
736
      ac_cv_prog_cc_pic='-pic'
737
      ac_cv_prog_cc_static='-Bstatic'
738
      ;;
739
 
740
    sysv4*MP*)
741
      if test -d /usr/nec ;then
742
        ac_cv_prog_cc_pic='-Kconform_pic'
743
        ac_cv_prog_cc_static='-Bstatic'
744
      fi
745
      ;;
746
 
747
    *)
748
      ac_cv_prog_cc_can_build_shared=no
749
      ;;
750
    esac
751
  fi
752
  case "$host_os" in
753
      # Platforms which do not suport PIC and -DPIC is meaningless
754
      # on them:
755
      *djgpp*)
756
        ac_cv_prog_cc_pic=
757
        ;;
758
      *)
759
        ac_cv_prog_cc_pic="$ac_cv_prog_cc_pic -DPIC"
760
        ;;
761
  esac
762
fi
763
 
764
need_lc=yes
765
if test "$enable_shared" = yes && test "$with_gcc" = yes; then
766
  case $archive_cmds in
767
  *'~'*)
768
    # FIXME: we may have to deal with multi-command sequences.
769
    ;;
770
  '$CC '*)
771
    # Test whether the compiler implicitly links with -lc since on some
772
    # systems, -lgcc has to come before -lc. If gcc already passes -lc
773
    # to ld, don't add -lc before -lgcc.
774
    echo $ac_n "checking whether -lc should be explicitly linked in... $ac_c" 1>&6
775
    if eval "test \"`echo '$''{'ac_cv_archive_cmds_needs_lc'+set}'`\" = set"; then
776
      echo $ac_n "(cached) $ac_c" 1>&6
777
      need_lc=$ac_cv_archive_cmds_needs_lc
778
    else
779
      $rm conftest*
780
      echo "static int dummy;" > conftest.$ac_ext
781
      if { (eval echo ltcf-c.sh:need_lc: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; }; then
782
        # Append any warnings to the config.log.
783
        cat conftest.err 1>&5
784
        soname=conftest
785
        lib=conftest
786
        libobjs=conftest.$ac_objext
787
        deplibs=
788
        wl=$ac_cv_prog_cc_wl
789
        compiler_flags=-v
790
        linker_flags=-v
791
        verstring=
792
        output_objdir=.
793
        libname=conftest
794
        save_allow_undefined_flag=$allow_undefined_flag
795
        allow_undefined_flag=
796
        if { (eval echo ltcf-c.sh:need_lc: \"$archive_cmds\") 1>&5; (eval $archive_cmds) 2>&1 | grep " -lc " 1>&5 ; }; then
797
          need_lc=no
798
        fi
799
        allow_undefined_flag=$save_allow_undefined_flag
800
      else
801
        cat conftest.err 1>&5
802
      fi
803
    fi
804
    $rm conftest*
805
    echo "$ac_t$need_lc" 1>&6
806
    ;;
807
  esac
808
fi
809
ac_cv_archive_cmds_needs_lc=$need_lc

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