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[/] [or1k/] [trunk/] [newlib-1.10.0/] [ltcf-cxx.sh] - Blame information for rev 1765

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1 1005 ivang
#### 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 $with_gnu_ld = no; then
253
      hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
254
      hardcode_libdir_separator=:
255
      export_dynamic_flag_spec='${wl}-E'
256
    fi
257
    hardcode_direct=yes
258
    hardcode_minus_L=yes # Not in the search PATH, but as the default
259
                         # location of the library.
260
 
261
    case $cc_basename in
262
      CC)
263
        # FIXME: insert proper C++ library support
264
        ld_shlibs=no
265
        ;;
266
      aCC)
267
        case $host_os in
268
        hpux9*) archive_cmds='$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 $lib' ;;
269
        *) archive_cmds='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' ;;
270
        esac
271
        # Commands to make compiler produce verbose output that lists
272
        # what "hidden" libraries, object files and flags are used when
273
        # linking a shared library.
274
        #
275
        # There doesn't appear to be a way to prevent this compiler from
276
        # explicitly linking system object files so we need to strip them
277
        # from the output so that they don't get included in the library
278
        # dependencies.
279
        output_verbose_link_cmd='templist=`($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'
280
        ;;
281
      *)
282
        if test $with_gcc = yes; then
283
          if test $with_gnu_ld = no; then
284
            case "$host_os" in
285
            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 $lib' ;;
286
            *) archive_cmds='$CC -shared -nostdlib -fPIC ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' ;;
287
            esac
288
          fi
289
        else
290
          # FIXME: insert proper C++ library support
291
          ld_shlibs=no
292
        fi
293
        ;;
294
    esac
295
    ;;
296
  irix5* | irix6*)
297
    case $cc_basename in
298
      CC)
299
        # SGI C++
300
        archive_cmds='$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'
301
 
302
        # Archives containing C++ object files must be created using
303
        # "CC -ar", where "CC" is the IRIX C++ compiler.  This is
304
        # necessary to make sure instantiated templates are included
305
        # in the archive.
306
        old_archive_cmds='$CC -ar -WR,-u -o $oldlib $oldobjs'
307
        ;;
308
      *)
309
        if test "$with_gcc" = yes; then
310
          if test "$with_gnu_ld" = no; then
311
            archive_cmds='$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 $lib'
312
          else
313
            archive_cmds='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -o $lib'
314
          fi
315
        fi
316
        hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
317
        hardcode_libdir_separator=:
318
        link_all_deplibs=yes
319
        ;;
320
    esac
321
    ;;
322
  linux*)
323
    case $cc_basename in
324
      KCC)
325
        # Kuck and Associates, Inc. (KAI) C++ Compiler
326
 
327
        # KCC will only create a shared library if the output file
328
        # ends with ".so" (or ".sl" for HP-UX), so rename the library
329
        # to its proper name (with version) after linking.
330
        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'
331
        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'
332
 
333
        # Commands to make compiler produce verbose output that lists
334
        # what "hidden" libraries, object files and flags are used when
335
        # linking a shared library.
336
        #
337
        # There doesn't appear to be a way to prevent this compiler from
338
        # explicitly linking system object files so we need to strip them
339
        # from the output so that they don't get included in the library
340
        # dependencies.
341
        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'
342
 
343
        hardcode_libdir_flag_spec='${wl}--rpath,$libdir'
344
        export_dynamic_flag_spec='${wl}--export-dynamic'
345
 
346
        # Archives containing C++ object files must be created using
347
        # "CC -Bstatic", where "CC" is the KAI C++ compiler.
348
        old_archive_cmds='$CC -Bstatic -o $oldlib $oldobjs'
349
        ;;
350
      cxx)
351
        # Compaq C++
352
        archive_cmds='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib'
353
        archive_expsym_cmds='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname  -o $lib ${wl}-retain-symbols-file $wl$export_symbols'
354
 
355
        runpath_var=LD_RUN_PATH
356
        hardcode_libdir_flag_spec='-rpath $libdir'
357
        hardcode_libdir_separator=:
358
 
359
        # Commands to make compiler produce verbose output that lists
360
        # what "hidden" libraries, object files and flags are used when
361
        # linking a shared library.
362
        #
363
        # There doesn't appear to be a way to prevent this compiler from
364
        # explicitly linking system object files so we need to strip them
365
        # from the output so that they don't get included in the library
366
        # dependencies.
367
        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'
368
        ;;
369
    esac
370
    ;;
371
  lynxos*)
372
    # FIXME: insert proper C++ library support
373
    ld_shlibs=no
374
    ;;
375
  m88k*)
376
    # FIXME: insert proper C++ library support
377
    ld_shlibs=no
378
    ;;
379
  mvs*)
380
    case $cc_basename in
381
      cxx)
382
        # FIXME: insert proper C++ library support
383
        ld_shlibs=no
384
        ;;
385
      *)
386
        # FIXME: insert proper C++ library support
387
        ld_shlibs=no
388
        ;;
389
    esac
390
    ;;
391
  netbsd*)
392
    # NetBSD uses g++ - do we need to do anything?
393
    ;;
394
  osf3*)
395
    case $cc_basename in
396
      KCC)
397
        # Kuck and Associates, Inc. (KAI) C++ Compiler
398
 
399
        # KCC will only create a shared library if the output file
400
        # ends with ".so" (or ".sl" for HP-UX), so rename the library
401
        # to its proper name (with version) after linking.
402
        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'
403
 
404
        hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
405
        hardcode_libdir_separator=:
406
 
407
        # Archives containing C++ object files must be created using
408
        # "CC -Bstatic", where "CC" is the KAI C++ compiler.
409
        old_archive_cmds='$CC -Bstatic -o $oldlib $oldobjs'
410
 
411
        ;;
412
      RCC)
413
        # Rational C++ 2.4.1
414
        # FIXME: insert proper C++ library support
415
        ld_shlibs=no
416
        ;;
417
      cxx)
418
        allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
419
        archive_cmds='$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'
420
 
421
        hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
422
        hardcode_libdir_separator=:
423
 
424
        # Commands to make compiler produce verbose output that lists
425
        # what "hidden" libraries, object files and flags are used when
426
        # linking a shared library.
427
        #
428
        # There doesn't appear to be a way to prevent this compiler from
429
        # explicitly linking system object files so we need to strip them
430
        # from the output so that they don't get included in the library
431
        # dependencies.
432
        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 $list'
433
        ;;
434
      *)
435
        if test "$with_gcc" = yes && test "$with_gnu_ld" = no; then
436
          allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
437
          archive_cmds='$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'
438
 
439
          hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
440
          hardcode_libdir_separator=:
441
 
442
          # Commands to make compiler produce verbose output that lists
443
          # what "hidden" libraries, object files and flags are used when
444
          # linking a shared library.
445
          output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | egrep "\-L"'
446
    else
447
          # FIXME: insert proper C++ library support
448
          ld_shlibs=no
449
    fi
450
        ;;
451
    esac
452
    ;;
453
  osf4* | osf5*)
454
    case $cc_basename in
455
      KCC)
456
        # Kuck and Associates, Inc. (KAI) C++ Compiler
457
 
458
        # KCC will only create a shared library if the output file
459
        # ends with ".so" (or ".sl" for HP-UX), so rename the library
460
        # to its proper name (with version) after linking.
461
        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'
462
 
463
        hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
464
        hardcode_libdir_separator=:
465
 
466
        # Archives containing C++ object files must be created using
467
        # the KAI C++ compiler.
468
        old_archive_cmds='$CC -o $oldlib $oldobjs'
469
        ;;
470
      RCC)
471
        # Rational C++ 2.4.1
472
        # FIXME: insert proper C++ library support
473
        ld_shlibs=no
474
        ;;
475
      cxx)
476
        allow_undefined_flag=' -expect_unresolved \*'
477
        archive_cmds='$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'
478
        archive_expsym_cmds='for i in `cat $export_symbols`; do printf "-exported_symbol " >> $lib.exp; echo "\$i" >> $lib.exp; done~
479
          echo "-hidden">> $lib.exp~
480
          $CC -shared$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~
481
          $rm $lib.exp'
482
 
483
        hardcode_libdir_flag_spec='-rpath $libdir'
484
        hardcode_libdir_separator=:
485
 
486
        # Commands to make compiler produce verbose output that lists
487
        # what "hidden" libraries, object files and flags are used when
488
        # linking a shared library.
489
        #
490
        # There doesn't appear to be a way to prevent this compiler from
491
        # explicitly linking system object files so we need to strip them
492
        # from the output so that they don't get included in the library
493
        # dependencies.
494
        output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | grep "ld" | grep -v "ld:"`; templist=`echo $templist | sed "s/\(^.*ld.*\)\( .*ld.*$\)/\1/"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; echo $list'
495
        ;;
496
      *)
497
        if test "$with_gcc" = yes && test "$with_gnu_ld" = no; then
498
          allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
499
          archive_cmds='$CC -shared -nostdlib ${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-msym ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${objdir}/so_locations -o $lib'
500
 
501
          hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
502
          hardcode_libdir_separator=:
503
 
504
          # Commands to make compiler produce verbose output that lists
505
          # what "hidden" libraries, object files and flags are used when
506
          # linking a shared library.
507
          output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | egrep "\-L"'
508
    else
509
          # FIXME: insert proper C++ library support
510
          ld_shlibs=no
511
    fi
512
        ;;
513
    esac
514
    ;;
515
  psos*)
516
    # FIXME: insert proper C++ library support
517
    ld_shlibs=no
518
    ;;
519
  sco*)
520
    case $cc_basename in
521
      CC)
522
        # FIXME: insert proper C++ library support
523
        ld_shlibs=no
524
        ;;
525
      *)
526
        # FIXME: insert proper C++ library support
527
        ld_shlibs=no
528
        ;;
529
    esac
530
    ;;
531
  sunos4*)
532
    case $cc_basename in
533
      CC)
534
        # Sun C++ 4.x
535
        # FIXME: insert proper C++ library support
536
        ld_shlibs=no
537
        ;;
538
      lcc)
539
        # Lucid
540
        # FIXME: insert proper C++ library support
541
        ld_shlibs=no
542
        ;;
543
      *)
544
        # FIXME: insert proper C++ library support
545
        ld_shlibs=no
546
        ;;
547
    esac
548
    ;;
549
  solaris*)
550
    case $cc_basename in
551
      CC)
552
        # Sun C++ 4.2, 5.x and Centerline C++
553
        no_undefined_flag=' -zdefs'
554
        archive_cmds='$CC -G${allow_undefined_flag} -nolib -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
555
        archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
556
        $CC -G${allow_undefined_flag} -nolib ${wl}-M ${wl}$lib.exp -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$rm $lib.exp'
557
 
558
        hardcode_libdir_flag_spec='-R$libdir'
559
        hardcode_shlibpath_var=no
560
        case $host_os in
561
          solaris2.[0-5] | solaris2.[0-5].*) ;;
562
          *)
563
            # The C++ compiler is used as linker so we must use $wl
564
            # flag to pass the commands to the underlying system
565
            # linker.
566
            # Supported since Solaris 2.6 (maybe 2.5.1?)
567
            whole_archive_flag_spec='${wl}-z ${wl}allextract$convenience ${wl}-z ${wl}defaultextract'
568
            ;;
569
        esac
570
        link_all_deplibs=yes
571
 
572
        # Commands to make compiler produce verbose output that lists
573
        # what "hidden" libraries, object files and flags are used when
574
        # linking a shared library.
575
        #
576
        # There doesn't appear to be a way to prevent this compiler from
577
        # explicitly linking system object files so we need to strip them
578
        # from the output so that they don't get included in the library
579
        # dependencies.
580
        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'
581
 
582
        # Archives containing C++ object files must be created using
583
        # "CC -xar", where "CC" is the Sun C++ compiler.  This is
584
        # necessary to make sure instantiated templates are included
585
        # in the archive.
586
        old_archive_cmds='$CC -xar -o $oldlib $oldobjs'
587
        ;;
588
      gcx)
589
        # Green Hills C++ Compiler
590
        archive_cmds='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib'
591
 
592
        # The C++ compiler must be used to create the archive.
593
        old_archive_cmds='$CC $LDFLAGS -archive -o $oldlib $oldobjs'
594
        ;;
595
      *)
596
        # GNU C++ compiler with Solaris linker
597
        if test "$with_gcc" = yes && test "$with_gnu_ld" = no; then
598
          no_undefined_flag=' ${wl}-z ${wl}defs'
599
          if $CC --version | egrep -v '^2\.7' > /dev/null; then
600
            archive_cmds='$CC -shared -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $linker_flags ${wl}-h $wl$soname -o $lib'
601
            archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
602
                $CC -shared -nostdlib ${wl}-M $wl$lib.exp -o $lib $predep_objects $libobjs $deplibs $postdep_objects $linker_flags~$rm $lib.exp'
603
 
604
            # Commands to make compiler produce verbose output that lists
605
            # what "hidden" libraries, object files and flags are used when
606
            # linking a shared library.
607
            output_verbose_link_cmd="$CC -shared $CFLAGS -v conftest.$objext 2>&1 | egrep \"\-L\""
608
          else
609
            # g++ 2.7 appears to require `-G' NOT `-shared' on this
610
            # platform.
611
            archive_cmds='$CC -G -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $linker_flags ${wl}-h $wl$soname -o $lib'
612
            archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
613
                $CC -G -nostdlib ${wl}-M $wl$lib.exp -o $lib $predep_objects $libobjs $deplibs $postdep_objects $linker_flags~$rm $lib.exp'
614
 
615
            # Commands to make compiler produce verbose output that lists
616
            # what "hidden" libraries, object files and flags are used when
617
            # linking a shared library.
618
            output_verbose_link_cmd="$CC -G $CFLAGS -v conftest.$objext 2>&1 | egrep \"\-L\""
619
          fi
620
 
621
          hardcode_libdir_flag_spec='${wl}-R $wl$libdir'
622
        fi
623
        ;;
624
    esac
625
    ;;
626
  tandem*)
627
    case $cc_basename in
628
      NCC)
629
        # NonStop-UX NCC 3.20
630
        # FIXME: insert proper C++ library support
631
        ld_shlibs=no
632
        ;;
633
      *)
634
        # FIXME: insert proper C++ library support
635
        ld_shlibs=no
636
        ;;
637
    esac
638
    ;;
639
  unixware*)
640
    # FIXME: insert proper C++ library support
641
    ld_shlibs=no
642
    ;;
643
  vxworks*)
644
    # FIXME: insert proper C++ library support
645
    ld_shlibs=no
646
    ;;
647
  *)
648
    # FIXME: insert proper C++ library support
649
    ld_shlibs=no
650
    ;;
651
esac
652
 
653
 
654
## Compiler Characteristics: PIC flags, static flags, etc
655
 
656
# We don't use cached values here since only the C compiler
657
# characteristics should be cached.
658
ac_cv_prog_cc_pic=
659
ac_cv_prog_cc_shlib=
660
ac_cv_prog_cc_wl=
661
ac_cv_prog_cc_static=
662
ac_cv_prog_cc_no_builtin=
663
ac_cv_prog_cc_can_build_shared=$can_build_shared
664
 
665
ac_cv_prog_cc_pic_works=
666
ac_cv_prog_cc_static_works=
667
 
668
if test "$with_gcc" = yes; then
669
  ac_cv_prog_cc_wl='-Wl,'
670
  ac_cv_prog_cc_static='-static'
671
 
672
  case $host_os in
673
  aix*)
674
    # All AIX code is PIC.
675
    if test "$host_cpu" = ia64; then
676
      # AIX 5 now supports IA64 processor
677
      lt_cv_prog_cc_static='-Bstatic'
678
    else
679
      lt_cv_prog_cc_static='-bnso -bI:/lib/syscalls.exp'
680
    fi
681
    ;;
682
  amigaos*)
683
    # FIXME: we need at least 68020 code to build shared libraries, but
684
    # adding the `-m68020' flag to GCC prevents building anything better,
685
    # like `-m68040'.
686
    ac_cv_prog_cc_pic='-m68020 -resident32 -malways-restore-a4'
687
    ;;
688
  beos* | irix5* | irix6* | osf3* | osf4* | osf5*)
689
    # PIC is the default for these OSes.
690
    ;;
691
  cygwin* | mingw* | os2*)
692
    # This hack is so that the source file can tell whether it is being
693
    # built for inclusion in a dll (and should export symbols for example).
694
    ac_cv_prog_cc_pic='-DDLL_EXPORT'
695
    ;;
696
  darwin* | rhapsody*)
697
    # PIC is the default on this platform
698
    # Common symbols not allowed in MH_DYLIB files
699
    lt_cv_prog_cc_pic='-fno-common'
700
    ;;
701
  *djgpp*)
702
    # DJGPP does not support shared libraries at all
703
    ac_cv_prog_cc_pic=
704
    ;;
705
  sysv4*MP*)
706
    if test -d /usr/nec; then
707
      ac_cv_prog_cc_pic=-Kconform_pic
708
    fi
709
    ;;
710
  *)
711
    ac_cv_prog_cc_pic='-fPIC'
712
    ;;
713
  esac
714
else
715
  case $host_os in
716
    aix4* | aix5*)
717
      # All AIX code is PIC.
718
      if test "$host_cpu" = ia64; then
719
        # AIX 5 now supports IA64 processor
720
        lt_cv_prog_cc_static='-Bstatic'
721
      else
722
        lt_cv_prog_cc_static='-bnso -bI:/lib/syscalls.exp'
723
      fi
724
      ;;
725
    chorus*)
726
      case $cc_basename in
727
      cxch68)
728
        # Green Hills C++ Compiler
729
        # 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"
730
        ;;
731
      esac
732
      ;;
733
    dgux*)
734
      case $cc_basename in
735
        ec++)
736
          ac_cv_prog_cc_pic='-KPIC'
737
          ;;
738
        ghcx)
739
          # Green Hills C++ Compiler
740
          ac_cv_prog_cc_pic='-pic'
741
          ;;
742
        *)
743
          ;;
744
      esac
745
      ;;
746
    freebsd*)
747
      # FreeBSD uses GNU C++
748
      ;;
749
    gnu*)
750
      ;;
751
    hpux9* | hpux10* | hpux11*)
752
      case $cc_basename in
753
        CC)
754
          ac_cv_prog_cc_wl='-Wl,'
755
          ac_cv_prog_cc_static="${ac_cv_prog_cc_wl}-a ${ac_cv_prog_cc_wl}archive"
756
          ac_cv_prog_cc_pic='+Z'
757
          ;;
758
        aCC)
759
          ac_cv_prog_cc_wl='-Wl,'
760
          ac_cv_prog_cc_static="${ac_cv_prog_cc_wl}-a ${ac_cv_prog_cc_wl}archive"
761
          ac_cv_prog_cc_pic='+Z'
762
          ;;
763
        *)
764
          ;;
765
      esac
766
      ;;
767
    irix5* | irix6*)
768
      case $cc_basename in
769
        CC)
770
          ac_cv_prog_cc_wl='-Wl,'
771
          ac_cv_prog_cc_static='-non_shared'
772
          ac_cv_prog_cc_pic='-KPIC'
773
          ;;
774
        *)
775
          ;;
776
      esac
777
      ;;
778
    linux*)
779
      case $cc_basename in
780
        KCC)
781
          # KAI C++ Compiler
782
          ac_cv_prog_cc_wl='--backend -Wl,'
783
          ac_cv_prog_cc_pic='-fPIC'
784
          ;;
785
        cxx)
786
          # Compaq C++
787
          # Make sure the PIC flag is empty.  It appears that all Alpha
788
          # Linux and Compaq Tru64 Unix objects are PIC.
789
          ac_cv_prog_cc_pic=
790
          ac_cv_prog_cc_static='-non_shared'
791
          ;;
792
        *)
793
          ;;
794
      esac
795
      ;;
796
    lynxos*)
797
      ;;
798
    m88k*)
799
      ;;
800
    mvs*)
801
      case $cc_basename in
802
        cxx)
803
          ac_cv_prog_cc_pic='-W c,exportall'
804
          ;;
805
        *)
806
          ;;
807
      esac
808
      ;;
809
    netbsd*)
810
      ;;
811
    osf3* | osf4* | osf5*)
812
      case $cc_basename in
813
        KCC)
814
          ac_cv_prog_cc_wl='--backend -Wl,'
815
          ;;
816
        RCC)
817
          # Rational C++ 2.4.1
818
          ac_cv_prog_cc_pic='-pic'
819
          ;;
820
        cxx)
821
          # Digital/Compaq C++
822
          ac_cv_prog_cc_wl='-Wl,'
823
          # Make sure the PIC flag is empty.  It appears that all Alpha
824
          # Linux and Compaq Tru64 Unix objects are PIC.
825
          ac_cv_prog_cc_pic=
826
          ac_cv_prog_cc_static='-non_shared'
827
          ;;
828
        *)
829
          ;;
830
      esac
831
      ;;
832
    psos*)
833
      ;;
834
    sco*)
835
      case $cc_basename in
836
        CC)
837
          ac_cv_prog_cc_pic='-fPIC'
838
          ;;
839
        *)
840
          ;;
841
      esac
842
      ;;
843
    solaris*)
844
      case $cc_basename in
845
        CC)
846
          # Sun C++ 4.2, 5.x and Centerline C++
847
          ac_cv_prog_cc_pic='-KPIC'
848
          ac_cv_prog_cc_static='-Bstatic'
849
          ac_cv_prog_cc_wl='-Qoption ld '
850
          ;;
851
        gcx)
852
          # Green Hills C++ Compiler
853
          ac_cv_prog_cc_pic='-PIC'
854
          ;;
855
        *)
856
          ;;
857
      esac
858
      ;;
859
    sunos4*)
860
      case $cc_basename in
861
        CC)
862
          # Sun C++ 4.x
863
          ac_cv_prog_cc_pic='-pic'
864
          ac_cv_prog_cc_static='-Bstatic'
865
          ;;
866
        lcc)
867
          # Lucid
868
          ac_cv_prog_cc_pic='-pic'
869
          ;;
870
        *)
871
          ;;
872
      esac
873
      ;;
874
    tandem*)
875
      case $cc_basename in
876
        NCC)
877
          # NonStop-UX NCC 3.20
878
          ac_cv_prog_cc_pic='-KPIC'
879
          ;;
880
        *)
881
          ;;
882
      esac
883
      ;;
884
    unixware*)
885
      ;;
886
    vxworks*)
887
      ;;
888
    *)
889
      ac_cv_prog_cc_can_build_shared=no
890
      ;;
891
  esac
892
fi
893
 
894
case "$host_os" in
895
    # Platforms which do not suport PIC and -DPIC is meaningless
896
    # on them:
897
    *djgpp*)
898
      ac_cv_prog_cc_pic=
899
      ;;
900
    *)
901
      ac_cv_prog_cc_pic="$ac_cv_prog_cc_pic -DPIC"
902
      ;;
903
esac
904
 
905
 
906
# Figure out "hidden" C++ library dependencies from verbose
907
# compiler output whening linking a shared library.
908
cat > conftest.$ac_ext <<EOF
909
class Foo
910
{
911
public:
912
  Foo (void) { a = 0; }
913
private:
914
  int a;
915
};
916
EOF
917
 
918
 
919
if (eval $ac_compile) 2>&5; then
920
  # Parse the compiler output and extract the necessary
921
  # objects, libraries and library flags.
922
 
923
  # Sentinel used to keep track of whether or not we are before
924
  # the conftest object file.
925
  pre_test_object_deps_done=no
926
 
927
  for p in `eval $output_verbose_link_cmd`; do
928
 
929
    case $p in
930
 
931
    -L* | -R* | -l*)
932
       # Some compilers place space between "-{L,R}" and the path.
933
       # Remove the space.
934
       if test $p = "-L" \
935
          || test $p = "-R"; then
936
         prev=$p
937
         continue
938
       else
939
         prev=
940
       fi
941
 
942
       if test "$pre_test_object_deps_done" = no; then
943
         case $p in
944
         -L* | -R*)
945
           # Internal compiler library paths should come after those
946
           # provided the user.  The postdeps already come after the
947
           # user supplied libs so there is no need to process them.
948
           if test -z "$compiler_lib_search_path"; then
949
             compiler_lib_search_path="${prev}${p}"
950
           else
951
             compiler_lib_search_path="${compiler_lib_search_path} ${prev}${p}"
952
           fi
953
           ;;
954
         # The "-l" case would never come before the object being
955
         # linked, so don't bother handling this case.
956
         esac
957
       else
958
         if test -z "$postdeps"; then
959
           postdeps="${prev}${p}"
960
         else
961
           postdeps="${postdeps} ${prev}${p}"
962
         fi
963
       fi
964
       ;;
965
 
966
    *.$objext)
967
       # This assumes that the test object file only shows up
968
       # once in the compiler output.
969
       if test "$p" = "conftest.$objext"; then
970
         pre_test_object_deps_done=yes
971
         continue
972
       fi
973
 
974
       if test "$pre_test_object_deps_done" = no; then
975
         if test -z "$predep_objects"; then
976
           predep_objects="$p"
977
         else
978
           predep_objects="$predep_objects $p"
979
         fi
980
       else
981
         if test -z "$postdep_objects"; then
982
           postdep_objects="$p"
983
         else
984
           postdep_objects="$postdep_objects $p"
985
         fi
986
       fi
987
       ;;
988
 
989
    *) ;; # Ignore the rest.
990
 
991
    esac
992
  done
993
 
994
  # Clean up.
995
  rm -f a.out
996
else
997
  echo "ltcf-cxx.sh: error: problem compiling test program"
998
fi
999
 
1000
$rm -f confest.$objext
1001
 
1002
case " $postdeps " in
1003
*" -lc "*) need_lc=no ;;
1004
*) need_lc=yes ;;
1005
esac

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