OpenCores
URL https://opencores.org/ocsvn/or1k/or1k/trunk

Subversion Repositories or1k

[/] [or1k/] [trunk/] [insight/] [ltcf-cxx.sh] - Blame information for rev 1781

Go to most recent revision | Details | Compare with Previous | View Log

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

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.