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[/] [or1k/] [trunk/] [gdb-5.3/] [ltcf-cxx.sh] - Blame information for rev 1765

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1 1181 sfurman
#### This script is meant to be sourced by ltconfig.
2
 
3
# ltcf-cxx.sh - Create a C++ compiler specific configuration
4
#
5
# Copyright (C) 1996-1999, 2000, 2001 Free Software Foundation, Inc.
6
# Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
7
#
8
# Original C++ support by:Gary V. Vaughan <gvv@techie.com>
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
25
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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
71
  # archiving commands below assume that GNU ld is being used.
72
  if eval "`$CC -print-prog-name=ld` --version 2>&1" | \
73
      egrep 'GNU ld' > /dev/null; then
74
    with_gnu_ld=yes
75
 
76
    archive_cmds='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib'
77
    archive_expsym_cmds='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
78
 
79
    hardcode_libdir_flag_spec='${wl}--rpath ${wl}$libdir'
80
    export_dynamic_flag_spec='${wl}--export-dynamic'
81
 
82
    # If archive_cmds runs LD, not CC, wlarc should be empty
83
    # XXX I think wlarc can be eliminated in ltcf-cxx, but I need to
84
    #     investigate it a little bit more. (MM)
85
    wlarc='${wl}'
86
 
87
    # ancient GNU ld didn't support --whole-archive et. al.
88
    if eval "`$CC -print-prog-name=ld` --help 2>&1" | \
89
        egrep 'no-whole-archive' > /dev/null; then
90
      whole_archive_flag_spec="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
91
    else
92
      whole_archive_flag_spec=
93
    fi
94
  else
95
    with_gnu_ld=no
96
    wlarc=
97
 
98
    # A generic and very simple default shared library creation
99
    # command for GNU C++ for the case where it uses the native
100
    # linker, instead of GNU ld.  If possible, this setting should
101
    # overridden to take advantage of the native linker features on
102
    # the platform it is being used on.
103
    archive_cmds='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $lib'
104
  fi
105
 
106
  # Commands to make compiler produce verbose output that lists
107
  # what "hidden" libraries, object files and flags are used when
108
  # linking a shared library.
109
  output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | egrep "\-L"'
110
 
111
else
112
  with_gcc=no
113
  with_gnu_ld=no
114
  wlarc=
115
fi
116
 
117
# PORTME: fill in a description of your system's C++ link characteristics
118
case $host_os in
119
  aix3*)
120
    # FIXME: insert proper C++ library support
121
    ld_shlibs=no
122
    ;;
123
  aix4* | aix5*)
124
    archive_cmds=''
125
    hardcode_direct=yes
126
    hardcode_libdir_separator=':'
127
    link_all_deplibs=yes
128
    # When large executables or shared objects are built, AIX ld can
129
    # have problems creating the table of contents.  If linking a library
130
    # or program results in "error TOC overflow" add -mminimal-toc to
131
    # CXXFLAGS/CFLAGS for g++/gcc.  In the cases where that is not
132
    # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS.
133
    if test "$with_gcc" = yes; then
134
      case $host_os in aix4.[012]|aix4.[012].*)
135
      # We only want to do this on AIX 4.2 and lower, the check
136
      # below for broken collect2 doesn't work under 4.3+
137
        collect2name=`${CC} -print-prog-name=collect2`
138
        if test -f "$collect2name" && \
139
           strings "$collect2name" | grep resolve_lib_name >/dev/null
140
        then
141
          # We have reworked collect2
142
          hardcode_direct=yes
143
        else
144
          # We have old collect2
145
          hardcode_direct=unsupported
146
          # It fails to find uninstalled libraries when the uninstalled
147
          # path is not listed in the libpath.  Setting hardcode_minus_L
148
          # to unsupported forces relinking
149
          hardcode_minus_L=yes
150
          hardcode_libdir_flag_spec='-L$libdir'
151
          hardcode_libdir_separator=
152
        fi
153
      esac
154
      shared_flag='-shared'
155
    else
156
      # not using gcc
157
      if test "$host_cpu" = ia64; then
158
        shared_flag='${wl}-G'
159
      else
160
        shared_flag='${wl}-bM:SRE'
161
      fi
162
    fi
163
 
164
    if test "$host_cpu" = ia64; then
165
      # On IA64, the linker does run time linking by default, so we don't
166
      # have to do anything special.
167
      aix_use_runtimelinking=no
168
      if test $with_gnu_ld = no; then
169
        exp_sym_flag='-Bexport'
170
        no_entry_flag=""
171
      fi
172
    else
173
      # Test if we are trying to use run time linking, or normal AIX style linking.
174
      # If -brtl is somewhere in LDFLAGS, we need to do run time linking.
175
      aix_use_runtimelinking=no
176
      for ld_flag in $LDFLAGS; do
177
        if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl" ); then
178
          aix_use_runtimelinking=yes
179
          break
180
        fi
181
      done
182
      exp_sym_flag='-bexport'
183
      no_entry_flag='-bnoentry'
184
    fi
185
    # It seems that -bexpall does not export symbols beginning with
186
    # underscore (_), so it is better to generate a list of symbols to export.
187
    always_export_symbols=yes
188
    if test "$aix_use_runtimelinking" = yes; then
189
      hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:/usr/lib:/lib'
190
      allow_undefined_flag=' -Wl,-G'
191
      archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs $compiler_flags ${allow_undefined_flag} '"\${wl}$no_entry_flag \${wl}-brtl \${wl}$exp_sym_flag:\$export_symbols"
192
     else
193
      if test "$host_cpu" = ia64; then
194
        if test $with_gnu_ld = no; then
195
          hardcode_libdir_flag_spec='${wl}-R $libdir:/usr/lib:/lib'
196
          allow_undefined_flag="-z nodefs"
197
          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"
198
        fi
199
      else
200
        hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:/usr/lib:/lib'
201
        # Warning - without using the other run time loading flags, -berok will
202
        #           link without error, but may produce a broken library.
203
        no_undefined_flag=' ${wl}-bnoerok'
204
        allow_undefined_flag=' ${wl}-berok'
205
        # -bexpall does not export symbols beginning with underscore (_)
206
        always_export_symbols=yes
207
        # Exported symbols can be pulled into shared objects from archives
208
        whole_archive_flag_spec=' '
209
        build_libtool_need_lc=yes
210
        # This is similar to how AIX traditionally builds it's shared libraries.
211
        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'
212
      fi
213
    fi
214
    ;;
215
  chorus*)
216
    case $cc_basename in
217
      *)
218
        # FIXME: insert proper C++ library support
219
        ld_shlibs=no
220
        ;;
221
    esac
222
    ;;
223
  dgux*)
224
    case $cc_basename in
225
      ec++)
226
        # FIXME: insert proper C++ library support
227
        ld_shlibs=no
228
        ;;
229
      ghcx)
230
        # Green Hills C++ Compiler
231
        # FIXME: insert proper C++ library support
232
        ld_shlibs=no
233
        ;;
234
      *)
235
        # FIXME: insert proper C++ library support
236
        ld_shlibs=no
237
        ;;
238
    esac
239
    ;;
240
  freebsd[12]*)
241
    # C++ shared libraries reported to be fairly broken before switch to ELF
242
    ld_shlibs=no
243
    ;;
244
  freebsd*)
245
    # FreeBSD 3 and later use GNU C++ and GNU ld with standard ELF
246
    # conventions
247
    ld_shlibs=yes
248
    ;;
249
  gnu*)
250
    ;;
251
  hpux*)
252
    if test $with_gnu_ld = no; then
253
      case "$host_cpu" in
254
        ia64*)
255
          hardcode_libdir_flag_spec='-L$libdir'
256
          hardcode_shlibpath_var=no ;;
257
        *)
258
          hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir' ;;
259
      esac
260
      hardcode_direct=yes
261
      hardcode_libdir_separator=:
262
      export_dynamic_flag_spec='${wl}-E'
263
    fi
264
    hardcode_minus_L=yes # Not in the search PATH, but as the default
265
                         # location of the library.
266
 
267
    case $cc_basename in
268
      CC)
269
        # FIXME: insert proper C++ library support
270
        ld_shlibs=no
271
        ;;
272
      aCC)
273
        case $host_os in
274
        hpux9*) archive_cmds='$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 $lib' ;;
275
        *) archive_cmds='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' ;;
276
        esac
277
        # Commands to make compiler produce verbose output that lists
278
        # what "hidden" libraries, object files and flags are used when
279
        # linking a shared library.
280
        #
281
        # There doesn't appear to be a way to prevent this compiler from
282
        # explicitly linking system object files so we need to strip them
283
        # from the output so that they don't get included in the library
284
        # dependencies.
285
        output_verbose_link_cmd='templist=`($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'
286
        ;;
287
      *)
288
        if test $with_gcc = yes; then
289
          if test $with_gnu_ld = no; then
290
            case "$host_os" in
291
            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 $lib' ;;
292
            *)
293
              case "$host_cpu" in
294
                ia64*)
295
                  archive_cmds='$LD -b +h $soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $linker_flags' ;;
296
                *)
297
                  archive_cmds='$CC -shared -nostdlib -fPIC ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' ;;
298
              esac
299
              ;;
300
            esac
301
          fi
302
        else
303
          # FIXME: insert proper C++ library support
304
          ld_shlibs=no
305
        fi
306
        ;;
307
    esac
308
    ;;
309
  irix5* | irix6*)
310
    case $cc_basename in
311
      CC)
312
        # SGI C++
313
        archive_cmds='$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'
314
 
315
        # Archives containing C++ object files must be created using
316
        # "CC -ar", where "CC" is the IRIX C++ compiler.  This is
317
        # necessary to make sure instantiated templates are included
318
        # in the archive.
319
        old_archive_cmds='$CC -ar -WR,-u -o $oldlib $oldobjs'
320
        ;;
321
      *)
322
        if test "$with_gcc" = yes; then
323
          if test "$with_gnu_ld" = no; then
324
            archive_cmds='$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 $lib'
325
          else
326
            archive_cmds='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -o $lib'
327
          fi
328
        fi
329
        hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
330
        hardcode_libdir_separator=:
331
        link_all_deplibs=yes
332
        ;;
333
    esac
334
    ;;
335
  linux*)
336
    case $cc_basename in
337
      KCC)
338
        # Kuck and Associates, Inc. (KAI) C++ Compiler
339
 
340
        # KCC will only create a shared library if the output file
341
        # ends with ".so" (or ".sl" for HP-UX), so rename the library
342
        # to its proper name (with version) after linking.
343
        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'
344
        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'
345
 
346
        # Commands to make compiler produce verbose output that lists
347
        # what "hidden" libraries, object files and flags are used when
348
        # linking a shared library.
349
        #
350
        # There doesn't appear to be a way to prevent this compiler from
351
        # explicitly linking system object files so we need to strip them
352
        # from the output so that they don't get included in the library
353
        # dependencies.
354
        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'
355
 
356
        hardcode_libdir_flag_spec='${wl}--rpath,$libdir'
357
        export_dynamic_flag_spec='${wl}--export-dynamic'
358
 
359
        # Archives containing C++ object files must be created using
360
        # "CC -Bstatic", where "CC" is the KAI C++ compiler.
361
        old_archive_cmds='$CC -Bstatic -o $oldlib $oldobjs'
362
        ;;
363
      cxx)
364
        # Compaq C++
365
        archive_cmds='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib'
366
        archive_expsym_cmds='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname  -o $lib ${wl}-retain-symbols-file $wl$export_symbols'
367
 
368
        runpath_var=LD_RUN_PATH
369
        hardcode_libdir_flag_spec='-rpath $libdir'
370
        hardcode_libdir_separator=:
371
 
372
        # Commands to make compiler produce verbose output that lists
373
        # what "hidden" libraries, object files and flags are used when
374
        # linking a shared library.
375
        #
376
        # There doesn't appear to be a way to prevent this compiler from
377
        # explicitly linking system object files so we need to strip them
378
        # from the output so that they don't get included in the library
379
        # dependencies.
380
        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'
381
        ;;
382
    esac
383
    ;;
384
  lynxos*)
385
    # FIXME: insert proper C++ library support
386
    ld_shlibs=no
387
    ;;
388
  m88k*)
389
    # FIXME: insert proper C++ library support
390
    ld_shlibs=no
391
    ;;
392
  mvs*)
393
    case $cc_basename in
394
      cxx)
395
        # FIXME: insert proper C++ library support
396
        ld_shlibs=no
397
        ;;
398
      *)
399
        # FIXME: insert proper C++ library support
400
        ld_shlibs=no
401
        ;;
402
    esac
403
    ;;
404
  netbsd*)
405
    # NetBSD uses g++ - do we need to do anything?
406
    ;;
407
  osf3*)
408
    case $cc_basename in
409
      KCC)
410
        # Kuck and Associates, Inc. (KAI) C++ Compiler
411
 
412
        # KCC will only create a shared library if the output file
413
        # ends with ".so" (or ".sl" for HP-UX), so rename the library
414
        # to its proper name (with version) after linking.
415
        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'
416
 
417
        hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
418
        hardcode_libdir_separator=:
419
 
420
        # Archives containing C++ object files must be created using
421
        # "CC -Bstatic", where "CC" is the KAI C++ compiler.
422
        old_archive_cmds='$CC -Bstatic -o $oldlib $oldobjs'
423
 
424
        ;;
425
      RCC)
426
        # Rational C++ 2.4.1
427
        # FIXME: insert proper C++ library support
428
        ld_shlibs=no
429
        ;;
430
      cxx)
431
        allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
432
        archive_cmds='$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'
433
 
434
        hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
435
        hardcode_libdir_separator=:
436
 
437
        # Commands to make compiler produce verbose output that lists
438
        # what "hidden" libraries, object files and flags are used when
439
        # linking a shared library.
440
        #
441
        # There doesn't appear to be a way to prevent this compiler from
442
        # explicitly linking system object files so we need to strip them
443
        # from the output so that they don't get included in the library
444
        # dependencies.
445
        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 $list'
446
        ;;
447
      *)
448
        if test "$with_gcc" = yes && test "$with_gnu_ld" = no; then
449
          allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
450
          archive_cmds='$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'
451
 
452
          hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
453
          hardcode_libdir_separator=:
454
 
455
          # Commands to make compiler produce verbose output that lists
456
          # what "hidden" libraries, object files and flags are used when
457
          # linking a shared library.
458
          output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | egrep "\-L"'
459
    else
460
          # FIXME: insert proper C++ library support
461
          ld_shlibs=no
462
    fi
463
        ;;
464
    esac
465
    ;;
466
  osf4* | osf5*)
467
    case $cc_basename in
468
      KCC)
469
        # Kuck and Associates, Inc. (KAI) C++ Compiler
470
 
471
        # KCC will only create a shared library if the output file
472
        # ends with ".so" (or ".sl" for HP-UX), so rename the library
473
        # to its proper name (with version) after linking.
474
        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'
475
 
476
        hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
477
        hardcode_libdir_separator=:
478
 
479
        # Archives containing C++ object files must be created using
480
        # the KAI C++ compiler.
481
        old_archive_cmds='$CC -o $oldlib $oldobjs'
482
        ;;
483
      RCC)
484
        # Rational C++ 2.4.1
485
        # FIXME: insert proper C++ library support
486
        ld_shlibs=no
487
        ;;
488
      cxx)
489
        allow_undefined_flag=' -expect_unresolved \*'
490
        archive_cmds='$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'
491
        archive_expsym_cmds='for i in `cat $export_symbols`; do printf "-exported_symbol " >> $lib.exp; echo "\$i" >> $lib.exp; done~
492
          echo "-hidden">> $lib.exp~
493
          $CC -shared$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~
494
          $rm $lib.exp'
495
 
496
        hardcode_libdir_flag_spec='-rpath $libdir'
497
        hardcode_libdir_separator=:
498
 
499
        # Commands to make compiler produce verbose output that lists
500
        # what "hidden" libraries, object files and flags are used when
501
        # linking a shared library.
502
        #
503
        # There doesn't appear to be a way to prevent this compiler from
504
        # explicitly linking system object files so we need to strip them
505
        # from the output so that they don't get included in the library
506
        # dependencies.
507
        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 $list'
508
        ;;
509
      *)
510
        if test "$with_gcc" = yes && test "$with_gnu_ld" = no; then
511
          allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
512
          archive_cmds='$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'
513
 
514
          hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
515
          hardcode_libdir_separator=:
516
 
517
          # Commands to make compiler produce verbose output that lists
518
          # what "hidden" libraries, object files and flags are used when
519
          # linking a shared library.
520
          output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | egrep "\-L"'
521
    else
522
          # FIXME: insert proper C++ library support
523
          ld_shlibs=no
524
    fi
525
        ;;
526
    esac
527
    ;;
528
  psos*)
529
    # FIXME: insert proper C++ library support
530
    ld_shlibs=no
531
    ;;
532
  sco*)
533
    case $cc_basename in
534
      CC)
535
        # FIXME: insert proper C++ library support
536
        ld_shlibs=no
537
        ;;
538
      *)
539
        # FIXME: insert proper C++ library support
540
        ld_shlibs=no
541
        ;;
542
    esac
543
    ;;
544
  sunos4*)
545
    case $cc_basename in
546
      CC)
547
        # Sun C++ 4.x
548
        # FIXME: insert proper C++ library support
549
        ld_shlibs=no
550
        ;;
551
      lcc)
552
        # Lucid
553
        # FIXME: insert proper C++ library support
554
        ld_shlibs=no
555
        ;;
556
      *)
557
        # FIXME: insert proper C++ library support
558
        ld_shlibs=no
559
        ;;
560
    esac
561
    ;;
562
  solaris*)
563
    case $cc_basename in
564
      CC)
565
        # Sun C++ 4.2, 5.x and Centerline C++
566
        no_undefined_flag=' -zdefs'
567
        archive_cmds='$CC -G${allow_undefined_flag} -nolib -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
568
        archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
569
        $CC -G${allow_undefined_flag} -nolib ${wl}-M ${wl}$lib.exp -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$rm $lib.exp'
570
 
571
        hardcode_libdir_flag_spec='-R$libdir'
572
        hardcode_shlibpath_var=no
573
        case $host_os in
574
          solaris2.[0-5] | solaris2.[0-5].*) ;;
575
          *)
576
            # The C++ compiler is used as linker so we must use $wl
577
            # flag to pass the commands to the underlying system
578
            # linker.
579
            # Supported since Solaris 2.6 (maybe 2.5.1?)
580
            whole_archive_flag_spec='${wl}-z ${wl}allextract$convenience ${wl}-z ${wl}defaultextract'
581
            ;;
582
        esac
583
        link_all_deplibs=yes
584
 
585
        # Commands to make compiler produce verbose output that lists
586
        # what "hidden" libraries, object files and flags are used when
587
        # linking a shared library.
588
        #
589
        # There doesn't appear to be a way to prevent this compiler from
590
        # explicitly linking system object files so we need to strip them
591
        # from the output so that they don't get included in the library
592
        # dependencies.
593
        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'
594
 
595
        # Archives containing C++ object files must be created using
596
        # "CC -xar", where "CC" is the Sun C++ compiler.  This is
597
        # necessary to make sure instantiated templates are included
598
        # in the archive.
599
        old_archive_cmds='$CC -xar -o $oldlib $oldobjs'
600
        ;;
601
      gcx)
602
        # Green Hills C++ Compiler
603
        archive_cmds='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib'
604
 
605
        # The C++ compiler must be used to create the archive.
606
        old_archive_cmds='$CC $LDFLAGS -archive -o $oldlib $oldobjs'
607
        ;;
608
      *)
609
        # GNU C++ compiler with Solaris linker
610
        if test "$with_gcc" = yes && test "$with_gnu_ld" = no; then
611
          no_undefined_flag=' ${wl}-z ${wl}defs'
612
          if $CC --version | egrep -v '^2\.7' > /dev/null; then
613
            archive_cmds='$CC -shared -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $linker_flags ${wl}-h $wl$soname -o $lib'
614
            archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
615
                $CC -shared -nostdlib ${wl}-M $wl$lib.exp -o $lib $predep_objects $libobjs $deplibs $postdep_objects $linker_flags~$rm $lib.exp'
616
 
617
            # Commands to make compiler produce verbose output that lists
618
            # what "hidden" libraries, object files and flags are used when
619
            # linking a shared library.
620
            output_verbose_link_cmd="$CC -shared $CFLAGS -v conftest.$objext 2>&1 | egrep \"\-L\""
621
          else
622
            # g++ 2.7 appears to require `-G' NOT `-shared' on this
623
            # platform.
624
            archive_cmds='$CC -G -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $linker_flags ${wl}-h $wl$soname -o $lib'
625
            archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
626
                $CC -G -nostdlib ${wl}-M $wl$lib.exp -o $lib $predep_objects $libobjs $deplibs $postdep_objects $linker_flags~$rm $lib.exp'
627
 
628
            # Commands to make compiler produce verbose output that lists
629
            # what "hidden" libraries, object files and flags are used when
630
            # linking a shared library.
631
            output_verbose_link_cmd="$CC -G $CFLAGS -v conftest.$objext 2>&1 | egrep \"\-L\""
632
          fi
633
 
634
          hardcode_libdir_flag_spec='${wl}-R $wl$libdir'
635
        fi
636
        ;;
637
    esac
638
    ;;
639
  tandem*)
640
    case $cc_basename in
641
      NCC)
642
        # NonStop-UX NCC 3.20
643
        # FIXME: insert proper C++ library support
644
        ld_shlibs=no
645
        ;;
646
      *)
647
        # FIXME: insert proper C++ library support
648
        ld_shlibs=no
649
        ;;
650
    esac
651
    ;;
652
  unixware*)
653
    # FIXME: insert proper C++ library support
654
    ld_shlibs=no
655
    ;;
656
  vxworks*)
657
    # FIXME: insert proper C++ library support
658
    ld_shlibs=no
659
    ;;
660
  *)
661
    # FIXME: insert proper C++ library support
662
    ld_shlibs=no
663
    ;;
664
esac
665
 
666
 
667
## Compiler Characteristics: PIC flags, static flags, etc
668
 
669
# We don't use cached values here since only the C compiler
670
# characteristics should be cached.
671
ac_cv_prog_cc_pic=
672
ac_cv_prog_cc_shlib=
673
ac_cv_prog_cc_wl=
674
ac_cv_prog_cc_static=
675
ac_cv_prog_cc_no_builtin=
676
ac_cv_prog_cc_can_build_shared=$can_build_shared
677
 
678
ac_cv_prog_cc_pic_works=
679
ac_cv_prog_cc_static_works=
680
 
681
if test "$with_gcc" = yes; then
682
  ac_cv_prog_cc_wl='-Wl,'
683
  ac_cv_prog_cc_static='-static'
684
 
685
  case $host_os in
686
  aix*)
687
    # All AIX code is PIC.
688
    if test "$host_cpu" = ia64; then
689
      # AIX 5 now supports IA64 processor
690
      lt_cv_prog_cc_static='-Bstatic'
691
    else
692
      lt_cv_prog_cc_static='-bnso -bI:/lib/syscalls.exp'
693
    fi
694
    ;;
695
  amigaos*)
696
    # FIXME: we need at least 68020 code to build shared libraries, but
697
    # adding the `-m68020' flag to GCC prevents building anything better,
698
    # like `-m68040'.
699
    ac_cv_prog_cc_pic='-m68020 -resident32 -malways-restore-a4'
700
    ;;
701
  beos* | irix5* | irix6* | osf3* | osf4* | osf5*)
702
    # PIC is the default for these OSes.
703
    ;;
704
  cygwin* | mingw* | os2*)
705
    # This hack is so that the source file can tell whether it is being
706
    # built for inclusion in a dll (and should export symbols for example).
707
    ac_cv_prog_cc_pic='-DDLL_EXPORT'
708
    ;;
709
  darwin* | rhapsody*)
710
    # PIC is the default on this platform
711
    # Common symbols not allowed in MH_DYLIB files
712
    lt_cv_prog_cc_pic='-fno-common'
713
    ;;
714
  *djgpp*)
715
    # DJGPP does not support shared libraries at all
716
    ac_cv_prog_cc_pic=
717
    ;;
718
  sysv4*MP*)
719
    if test -d /usr/nec; then
720
      ac_cv_prog_cc_pic=-Kconform_pic
721
    fi
722
    ;;
723
  *)
724
    ac_cv_prog_cc_pic='-fPIC'
725
    ;;
726
  esac
727
else
728
  case $host_os in
729
    aix4* | aix5*)
730
      # All AIX code is PIC.
731
      if test "$host_cpu" = ia64; then
732
        # AIX 5 now supports IA64 processor
733
        lt_cv_prog_cc_static='-Bstatic'
734
      else
735
        lt_cv_prog_cc_static='-bnso -bI:/lib/syscalls.exp'
736
      fi
737
      ;;
738
    chorus*)
739
      case $cc_basename in
740
      cxch68)
741
        # Green Hills C++ Compiler
742
        # 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"
743
        ;;
744
      esac
745
      ;;
746
    dgux*)
747
      case $cc_basename in
748
        ec++)
749
          ac_cv_prog_cc_pic='-KPIC'
750
          ;;
751
        ghcx)
752
          # Green Hills C++ Compiler
753
          ac_cv_prog_cc_pic='-pic'
754
          ;;
755
        *)
756
          ;;
757
      esac
758
      ;;
759
    freebsd*)
760
      # FreeBSD uses GNU C++
761
      ;;
762
    gnu*)
763
      ;;
764
    hpux9* | hpux10* | hpux11*)
765
      case $cc_basename in
766
        CC)
767
          ac_cv_prog_cc_wl='-Wl,'
768
          ac_cv_prog_cc_static="${ac_cv_prog_cc_wl}-a ${ac_cv_prog_cc_wl}archive"
769
          ac_cv_prog_cc_pic='+Z'
770
          ;;
771
        aCC)
772
          ac_cv_prog_cc_wl='-Wl,'
773
          ac_cv_prog_cc_static="${ac_cv_prog_cc_wl}-a ${ac_cv_prog_cc_wl}archive"
774
          ac_cv_prog_cc_pic='+Z'
775
          ;;
776
        *)
777
          ;;
778
      esac
779
      ;;
780
    irix5* | irix6*)
781
      case $cc_basename in
782
        CC)
783
          ac_cv_prog_cc_wl='-Wl,'
784
          ac_cv_prog_cc_static='-non_shared'
785
          ac_cv_prog_cc_pic='-KPIC'
786
          ;;
787
        *)
788
          ;;
789
      esac
790
      ;;
791
    linux*)
792
      case $cc_basename in
793
        KCC)
794
          # KAI C++ Compiler
795
          ac_cv_prog_cc_wl='--backend -Wl,'
796
          ac_cv_prog_cc_pic='-fPIC'
797
          ;;
798
        cxx)
799
          # Compaq C++
800
          # Make sure the PIC flag is empty.  It appears that all Alpha
801
          # Linux and Compaq Tru64 Unix objects are PIC.
802
          ac_cv_prog_cc_pic=
803
          ac_cv_prog_cc_static='-non_shared'
804
          ;;
805
        *)
806
          ;;
807
      esac
808
      ;;
809
    lynxos*)
810
      ;;
811
    m88k*)
812
      ;;
813
    mvs*)
814
      case $cc_basename in
815
        cxx)
816
          ac_cv_prog_cc_pic='-W c,exportall'
817
          ;;
818
        *)
819
          ;;
820
      esac
821
      ;;
822
    netbsd*)
823
      ;;
824
    osf3* | osf4* | osf5*)
825
      case $cc_basename in
826
        KCC)
827
          ac_cv_prog_cc_wl='--backend -Wl,'
828
          ;;
829
        RCC)
830
          # Rational C++ 2.4.1
831
          ac_cv_prog_cc_pic='-pic'
832
          ;;
833
        cxx)
834
          # Digital/Compaq C++
835
          ac_cv_prog_cc_wl='-Wl,'
836
          # Make sure the PIC flag is empty.  It appears that all Alpha
837
          # Linux and Compaq Tru64 Unix objects are PIC.
838
          ac_cv_prog_cc_pic=
839
          ac_cv_prog_cc_static='-non_shared'
840
          ;;
841
        *)
842
          ;;
843
      esac
844
      ;;
845
    psos*)
846
      ;;
847
    sco*)
848
      case $cc_basename in
849
        CC)
850
          ac_cv_prog_cc_pic='-fPIC'
851
          ;;
852
        *)
853
          ;;
854
      esac
855
      ;;
856
    solaris*)
857
      case $cc_basename in
858
        CC)
859
          # Sun C++ 4.2, 5.x and Centerline C++
860
          ac_cv_prog_cc_pic='-KPIC'
861
          ac_cv_prog_cc_static='-Bstatic'
862
          ac_cv_prog_cc_wl='-Qoption ld '
863
          ;;
864
        gcx)
865
          # Green Hills C++ Compiler
866
          ac_cv_prog_cc_pic='-PIC'
867
          ;;
868
        *)
869
          ;;
870
      esac
871
      ;;
872
    sunos4*)
873
      case $cc_basename in
874
        CC)
875
          # Sun C++ 4.x
876
          ac_cv_prog_cc_pic='-pic'
877
          ac_cv_prog_cc_static='-Bstatic'
878
          ;;
879
        lcc)
880
          # Lucid
881
          ac_cv_prog_cc_pic='-pic'
882
          ;;
883
        *)
884
          ;;
885
      esac
886
      ;;
887
    tandem*)
888
      case $cc_basename in
889
        NCC)
890
          # NonStop-UX NCC 3.20
891
          ac_cv_prog_cc_pic='-KPIC'
892
          ;;
893
        *)
894
          ;;
895
      esac
896
      ;;
897
    unixware*)
898
      ;;
899
    vxworks*)
900
      ;;
901
    *)
902
      ac_cv_prog_cc_can_build_shared=no
903
      ;;
904
  esac
905
fi
906
 
907
case "$host_os" in
908
    # Platforms which do not suport PIC and -DPIC is meaningless
909
    # on them:
910
    *djgpp*)
911
      ac_cv_prog_cc_pic=
912
      ;;
913
    *)
914
      ac_cv_prog_cc_pic="$ac_cv_prog_cc_pic -DPIC"
915
      ;;
916
esac
917
 
918
 
919
# Figure out "hidden" C++ library dependencies from verbose
920
# compiler output whening linking a shared library.
921
cat > conftest.$ac_ext <<EOF
922
class Foo
923
{
924
public:
925
  Foo (void) { a = 0; }
926
private:
927
  int a;
928
};
929
EOF
930
 
931
 
932
if (eval $ac_compile) 2>&5; then
933
  # Parse the compiler output and extract the necessary
934
  # objects, libraries and library flags.
935
 
936
  # Sentinel used to keep track of whether or not we are before
937
  # the conftest object file.
938
  pre_test_object_deps_done=no
939
 
940
  for p in `eval $output_verbose_link_cmd`; do
941
 
942
    case $p in
943
 
944
    -L* | -R* | -l*)
945
       # Some compilers place space between "-{L,R}" and the path.
946
       # Remove the space.
947
       if test $p = "-L" \
948
          || test $p = "-R"; then
949
         prev=$p
950
         continue
951
       else
952
         prev=
953
       fi
954
 
955
       if test "$pre_test_object_deps_done" = no; then
956
         case $p in
957
         -L* | -R*)
958
           # Internal compiler library paths should come after those
959
           # provided the user.  The postdeps already come after the
960
           # user supplied libs so there is no need to process them.
961
           if test -z "$compiler_lib_search_path"; then
962
             compiler_lib_search_path="${prev}${p}"
963
           else
964
             compiler_lib_search_path="${compiler_lib_search_path} ${prev}${p}"
965
           fi
966
           ;;
967
         # The "-l" case would never come before the object being
968
         # linked, so don't bother handling this case.
969
         esac
970
       else
971
         if test -z "$postdeps"; then
972
           postdeps="${prev}${p}"
973
         else
974
           postdeps="${postdeps} ${prev}${p}"
975
         fi
976
       fi
977
       ;;
978
 
979
    *.$objext)
980
       # This assumes that the test object file only shows up
981
       # once in the compiler output.
982
       if test "$p" = "conftest.$objext"; then
983
         pre_test_object_deps_done=yes
984
         continue
985
       fi
986
 
987
       if test "$pre_test_object_deps_done" = no; then
988
         if test -z "$predep_objects"; then
989
           predep_objects="$p"
990
         else
991
           predep_objects="$predep_objects $p"
992
         fi
993
       else
994
         if test -z "$postdep_objects"; then
995
           postdep_objects="$p"
996
         else
997
           postdep_objects="$postdep_objects $p"
998
         fi
999
       fi
1000
       ;;
1001
 
1002
    *) ;; # Ignore the rest.
1003
 
1004
    esac
1005
  done
1006
 
1007
  # Clean up.
1008
  rm -f a.out
1009
else
1010
  echo "ltcf-cxx.sh: error: problem compiling test program"
1011
fi
1012
 
1013
$rm -f confest.$objext
1014
 
1015
case " $postdeps " in
1016
*" -lc "*) need_lc=no ;;
1017
*) need_lc=yes ;;
1018
esac

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