forked from gcc-mirror/gcc
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathltcf-cxx.sh
920 lines (843 loc) · 31.5 KB
/
ltcf-cxx.sh
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
#### This script is meant to be sourced by ltconfig.
# $Id: ltcf-cxx.sh,v 1.1.2.18 2000/07/24 06:10:27 oliva Exp $
# ltcf-cxx.sh - Create a C++ compiler specific configuration
#
# Copyright (C) 1996-1999,2000 Free Software Foundation, Inc.
# Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
#
# Original C++ support by:
# Alexandre Oliva <oliva@lsd.ic.unicamp.br>
# Ossama Othman <ossama@debian.org>
# Thomas Thanner <tanner@gmx.de>
#
# This file is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
# As a special exception to the GNU General Public License, if you
# distribute this file as part of a program that contains a
# configuration script generated by Autoconf, you may include it under
# the same distribution terms that you use for the rest of that program.
# Source file extension for C++ test sources.
ac_ext=cc
# Object file extension for compiled C++ test sources.
objext=o
# Code to be used in simple compile tests
lt_simple_compile_test_code="int some_variable = 0;"
# Code to be used in simple link tests
lt_simple_link_test_code='int main(int, char *[]) { return (0); }'
# C++ compiler
CXX=${CXX-c++}
# ltmain only uses $CC for tagged configurations so make sure $CC is set.
CC=${CC-"$CXX"}
CFLAGS=${CFLAGS-"$CXXFLAGS"}
# Allow CC to be a program name with arguments.
set dummy $CC
compiler=$2
cc_basename=`$echo X"$compiler" | $Xsed -e 's%^.*/%%'`
# Check if we are using GNU gcc (taken/adapted from configure script)
# We need to check here since "--with-gcc" is set at configure time,
# not ltconfig time!
cat > conftest.$ac_ext <<EOF
#ifdef __GNUC__
yes;
#endif
EOF
if { ac_try='${CC-c++} -E conftest.$ac_ext'; { (eval echo \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
with_gcc=yes
# Set up default GNU C++ configuration
# Check if GNU C++ uses GNU ld as the underlying linker, since the
# archiving commands below assume that GNU ld is being used.
if eval "`$CC -print-prog-name=ld` --version 2>&1" | \
egrep 'GNU ld' > /dev/null; then
with_gnu_ld=yes
archive_cmds='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib'
archive_expsym_cmds='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
hardcode_libdir_flag_spec='${wl}--rpath ${wl}$libdir'
export_dynamic_flag_spec='${wl}--export-dynamic'
# If archive_cmds runs LD, not CC, wlarc should be empty
# XXX I think wlarc can be eliminated in ltcf-cxx, but I need to
# investigate it a little bit more. (MM)
wlarc='${wl}'
# ancient GNU ld didn't support --whole-archive et. al.
if eval "`$CC -print-prog-name=ld` --help 2>&1" | \
egrep 'no-whole-archive' > /dev/null; then
whole_archive_flag_spec="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
else
whole_archive_flag_spec=
fi
else
with_gnu_ld=no
wlarc=
# A generic and very simple default shared library creation
# command for GNU C++ for the case where it uses the native
# linker, instead of GNU ld. If possible, this setting should
# overridden to take advantage of the native linker features on
# the platform it is being used on.
archive_cmds='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $lib'
fi
# Commands to make compiler produce verbose output that lists
# what "hidden" libraries, object files and flags are used when
# linking a shared library.
output_verbose_link_cmds='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | egrep "\-L"'
else
with_gcc=no
with_gnu_ld=no
wlarc=
fi
# In general, the C++ compiler should always link C++ objects.
case $target in
*aix3* | *aix4*)
# AIX just has to be different, doesn't it? :-\
LD=makeC++SharedLib_r
LDFLAGS="$LDFLAGS -p 0"
;;
*)
LD="$CC"
LDFLAGS="$LDFLAGS"
;;
esac
# PORTME: fill in a description of your system's C++ link characteristics
case "$host_os" in
aix3*)
# FIXME: insert proper C++ library support
ld_shlibs=no
;;
aix4*)
# FIXME: insert proper C++ library support
ld_shlibs=no
;;
chorus*)
case "$cc_basename" in
*)
# FIXME: insert proper C++ library support
ld_shlibs=no
;;
esac
;;
dgux*)
case "$cc_basename" in
ec++)
# FIXME: insert proper C++ library support
ld_shlibs=no
;;
ghcx)
# Green Hills C++ Compiler
# FIXME: insert proper C++ library support
ld_shlibs=no
;;
*)
# FIXME: insert proper C++ library support
ld_shlibs=no
;;
esac
;;
freebsd*)
# FreeBSD uses GNU C++ and GNU ld
# FIXME: insert proper C++ library support
ld_shlibs=no
;;
hpux*)
case "$cc_basename" in
CC)
# FIXME: insert proper C++ library support
ld_shlibs=no
;;
aCC)
case "$host_os" in
hpux9*) archive_cmds='$rm $output_objdir/$soname~$CC -b ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $predep_objects $libobjs $deplibs $postdep_objects $linker_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib' ;;
*) archive_cmds='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $linker_flags' ;;
esac
hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
hardcode_libdir_separator=:
hardcode_direct=yes
hardcode_minus_L=yes # Not in the search PATH, but as the default
# location of the library.
export_dynamic_flag_spec='${wl}-E'
# Commands to make compiler produce verbose output that lists
# what "hidden" libraries, object files and flags are used when
# linking a shared library.
#
# There doesn't appear to be a way to prevent this compiler from
# explicitly linking system object files so we need to strip them
# from the output so that they don't get included in the library
# dependencies.
output_verbose_link_cmds='templist=`($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 $list'
;;
*)
# FIXME: insert proper C++ library support
ld_shlibs=no
;;
esac
;;
irix5* | irix6*)
case "$cc_basename" in
CC)
# SGI C++
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 $lib'
;;
*)
if test "$with_gcc" = yes; then
if test "$with_gnu_ld" = no; then
archive_cmds='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $linker_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${objdir}/so_locations -o $lib'
else
archive_cmds='$LD -shared $predep_objects $libobjs $deplibs $postdep_objects $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -o $lib'
fi
fi
hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
hardcode_libdir_separator=:
link_all_deplibs=yes
;;
esac
;;
linux*)
case "$cc_basename" in
KCC)
# Kuck and Associates, Inc. (KAI) C++ Compiler
# KCC will only create a shared library if the output file
# ends with ".so" (or ".sl" for HP-UX), so rename the library
# to its proper name (with version) after linking.
archive_cmds='templib=`echo $lib | sed -e "s/\.so\..*/\.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $linker_flags --soname $soname -o \$templib; mv \$templib $lib'
archive_expsym_cmds='templib=`echo $lib | sed -e "s/\.so\..*/\.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $linker_flags --soname $soname -o \$templib ${wl}-retain-symbols-file,$export_symbols; mv \$templib $lib'
# Commands to make compiler produce verbose output that lists
# what "hidden" libraries, object files and flags are used when
# linking a shared library.
#
# There doesn't appear to be a way to prevent this compiler from
# explicitly linking system object files so we need to strip them
# from the output so that they don't get included in the library
# dependencies.
output_verbose_link_cmds='templist=`$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 $list'
hardcode_libdir_flag_spec='${wl}--rpath,$libdir'
export_dynamic_flag_spec='${wl}--export-dynamic'
# Archives containing C++ object files must be created using
# "CC -Bstatic", where "CC" is the KAI C++ compiler.
old_archive_cmds='$CC -Bstatic -o $oldlib $oldobjs'
;;
cxx)
# Compaq C++
archive_cmds='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $linker_flags ${wl}-soname $wl$soname -o $lib'
archive_expsym_cmds='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $linker_flags ${wl}-soname $wl$soname -o $lib ${wl}-retain-symbols-file $wl$export_symbols'
runpath_var=LD_RUN_PATH
hardcode_libdir_flag_spec='-rpath $libdir'
hardcode_libdir_separator=:
# Commands to make compiler produce verbose output that lists
# what "hidden" libraries, object files and flags are used when
# linking a shared library.
#
# There doesn't appear to be a way to prevent this compiler from
# explicitly linking system object files so we need to strip them
# from the output so that they don't get included in the library
# dependencies.
output_verbose_link_cmds='templist=`$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 $list'
;;
esac
;;
lynxos*)
# FIXME: insert proper C++ library support
ld_shlibs=no
;;
m88k*)
# FIXME: insert proper C++ library support
ld_shlibs=no
;;
mvs*)
case "$cc_basename" in
cxx)
# FIXME: insert proper C++ library support
ld_shlibs=no
;;
*)
# FIXME: insert proper C++ library support
ld_shlibs=no
;;
esac
;;
netbsd*)
# FIXME: insert proper C++ library support
ld_shlibs=no
;;
osf3*)
if test "$with_gcc" = yes && test "$with_gnu_ld" = no; then
allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
archive_cmds='$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 $lib'
hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
hardcode_libdir_separator=:
# Commands to make compiler produce verbose output that lists
# what "hidden" libraries, object files and flags are used when
# linking a shared library.
output_verbose_link_cmds='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | egrep "\-L"'
fi
case "$cc_basename" in
KCC)
# Kuck and Associates, Inc. (KAI) C++ Compiler
# KCC will only create a shared library if the output file
# ends with ".so" (or ".sl" for HP-UX), so rename the library
# to its proper name (with version) after linking.
archive_cmds='templib=`echo $lib | sed -e "s/\.so\..*/\.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $linker_flags --soname $soname -o \$templib; mv \$templib $lib'
hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
hardcode_libdir_separator=:
# Archives containing C++ object files must be created using
# "CC -Bstatic", where "CC" is the KAI C++ compiler.
old_archive_cmds='$CC -Bstatic -o $oldlib $oldobjs'
;;
RCC)
# Rational C++ 2.4.1
# FIXME: insert proper C++ library support
ld_shlibs=no
;;
cxx)
allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
archive_cmds='$CC -shared${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $linker_flags ${wl}-soname $soname `test -n "$verstring" && echo ${wl}-set_version $verstring` -update_registry ${objdir}/so_locations -o $lib'
hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
hardcode_libdir_separator=:
# Commands to make compiler produce verbose output that lists
# what "hidden" libraries, object files and flags are used when
# linking a shared library.
#
# There doesn't appear to be a way to prevent this compiler from
# explicitly linking system object files so we need to strip them
# from the output so that they don't get included in the library
# dependencies.
output_verbose_link_cmds='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 $list'
;;
*)
# FIXME: insert proper C++ library support
ld_shlibs=no
;;
esac
;;
osf4* | osf5*)
if test "$with_gcc" = yes && test "$with_gnu_ld" = no; then
allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
archive_cmds='$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 $lib'
hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
hardcode_libdir_separator=:
# Commands to make compiler produce verbose output that lists
# what "hidden" libraries, object files and flags are used when
# linking a shared library.
output_verbose_link_cmds='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | egrep "\-L"'
fi
case "$cc_basename" in
KCC)
# Kuck and Associates, Inc. (KAI) C++ Compiler
# KCC will only create a shared library if the output file
# ends with ".so" (or ".sl" for HP-UX), so rename the library
# to its proper name (with version) after linking.
archive_cmds='templib=`echo $lib | sed -e "s/\.so\..*/\.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $linker_flags --soname $soname -o \$templib; mv \$templib $lib'
hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
hardcode_libdir_separator=:
# Archives containing C++ object files must be created using
# the KAI C++ compiler.
old_archive_cmds='$CC -o $oldlib $oldobjs'
;;
RCC)
# Rational C++ 2.4.1
# FIXME: insert proper C++ library support
ld_shlibs=no
;;
cxx)
allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
archive_cmds='$CC -shared${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $linker_flags ${wl}-msym ${wl}-soname $soname `test -n "$verstring" && echo ${wl}-set_version $verstring` -update_registry ${objdir}/so_locations -o $lib'
hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
hardcode_libdir_separator=:
# Commands to make compiler produce verbose output that lists
# what "hidden" libraries, object files and flags are used when
# linking a shared library.
#
# There doesn't appear to be a way to prevent this compiler from
# explicitly linking system object files so we need to strip them
# from the output so that they don't get included in the library
# dependencies.
output_verbose_link_cmds='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 $list'
;;
*)
# FIXME: insert proper C++ library support
ld_shlibs=no
;;
esac
;;
psos*)
# FIXME: insert proper C++ library support
ld_shlibs=no
;;
sco*)
case "$cc_basename" in
CC)
# FIXME: insert proper C++ library support
ld_shlibs=no
;;
*)
# FIXME: insert proper C++ library support
ld_shlibs=no
;;
esac
;;
sunos4*)
case "$cc_basename" in
CC)
# Sun C++ 4.x
# FIXME: insert proper C++ library support
ld_shlibs=no
;;
lcc)
# Lucid
# FIXME: insert proper C++ library support
ld_shlibs=no
;;
*)
# FIXME: insert proper C++ library support
ld_shlibs=no
;;
esac
;;
solaris*)
case "$cc_basename" in
CC)
# Sun C++ 4.2, 5.x and Centerline C++
no_undefined_flag=' -ztext'
archive_cmds='$CC -G${allow_undefined_flag} -nolib -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $linker_flags'
archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
$CC -G${allow_undefined_flag} -nolib ${wl}-M ${wl}$lib.exp -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $linker_flags~$rm $lib.exp'
hardcode_libdir_flag_spec='-R$libdir'
hardcode_shlibpath_var=no
case "$host_os" in
solaris2.[0-5] | solaris2.[0-5].*) ;;
*)
# The C++ compiler is used as linker so we must use $wl
# flag to pass the commands to the underlying system
# linker.
# Supported since Solaris 2.6 (maybe 2.5.1?)
whole_archive_flag_spec='${wl}-z ${wl}allextract$convenience ${wl}-z ${wl}defaultextract'
;;
esac
link_all_deplibs=yes
# Commands to make compiler produce verbose output that lists
# what "hidden" libraries, object files and flags are used when
# linking a shared library.
#
# There doesn't appear to be a way to prevent this compiler from
# explicitly linking system object files so we need to strip them
# from the output so that they don't get included in the library
# dependencies.
output_verbose_link_cmds='templist=`$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 $list'
# Archives containing C++ object files must be created using
# "CC -xar", where "CC" is the Sun C++ compiler. This is
# necessary to make sure instantiated templates are included
# in the archive.
old_archive_cmds='$CC -xar -o $oldlib $oldobjs'
;;
gcx)
# Green Hills C++ Compiler
archive_cmds='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $linker_flags ${wl}-h $wl$soname -o $lib'
# The C++ compiler must be used to create the archive.
old_archive_cmds='$CC $LDFLAGS -archive -o $oldlib $oldobjs'
;;
*)
# GNU C++ compiler with Solaris linker
if test "$with_gcc" = yes && test "$with_gnu_ld" = no; then
if $CC --version | egrep -v '^2\.7' > /dev/null; then
archive_cmds='$LD -shared -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $linker_flags ${wl}-h $wl$soname -o $lib'
archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
$LD -shared -nostdlib ${wl}-M $wl$lib.exp -o $lib $predep_objects $libobjs $deplibs $postdep_objects $linker_flags~$rm $lib.exp'
# Commands to make compiler produce verbose output that lists
# what "hidden" libraries, object files and flags are used when
# linking a shared library.
output_verbose_link_cmds="$CC -shared $CFLAGS -v conftest.$objext 2>&1 | egrep \"\-L\""
else
# g++ 2.7 appears to require `-G' NOT `-shared' on this
# platform.
archive_cmds='$LD -G -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $linker_flags ${wl}-h $wl$soname -o $lib'
archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
$LD -G -nostdlib ${wl}-M $wl$lib.exp -o $lib $predep_objects $libobjs $deplibs $postdep_objects $linker_flags~$rm $lib.exp'
# Commands to make compiler produce verbose output that lists
# what "hidden" libraries, object files and flags are used when
# linking a shared library.
output_verbose_link_cmds="$CC -G $CFLAGS -v conftest.$objext 2>&1 | egrep \"\-L\""
fi
hardcode_libdir_flag_spec='${wl}-R $wl$libdir'
fi
;;
esac
;;
tandem*)
case "$cc_basename" in
NCC)
# NonStop-UX NCC 3.20
# FIXME: insert proper C++ library support
ld_shlibs=no
;;
*)
# FIXME: insert proper C++ library support
ld_shlibs=no
;;
esac
;;
unixware*)
# FIXME: insert proper C++ library support
ld_shlibs=no
;;
vxworks*)
# FIXME: insert proper C++ library support
ld_shlibs=no
;;
*)
# FIXME: insert proper C++ library support
ld_shlibs=no
;;
esac
## Compiler Characteristics: PIC flags, static flags, etc
# We don't use cached values here since only the C compiler
# characteristics should be cached.
ac_cv_prog_cc_pic=
ac_cv_prog_cc_shlib=
ac_cv_prog_cc_wl=
ac_cv_prog_cc_static=
ac_cv_prog_cc_no_builtin=
ac_cv_prog_cc_can_build_shared=$can_build_shared
# It is not enough to reset these cached values, they must be unset.
unset ac_cv_prog_cc_pic_works
unset ac_cv_prog_cc_static_works
if test "$with_gcc" = yes; then
ac_cv_prog_cc_wl='-Wl,'
ac_cv_prog_cc_static='-static'
case "$host_os" in
beos* | irix5* | irix6* | osf3* | osf4* | osf5*)
# PIC is the default for these OSes.
;;
aix*)
# Below there is a dirty hack to force normal static linking with -ldl
# The problem is because libdl dynamically linked with both libc and
# libC (AIX C++ library), which obviously doesn't included in libraries
# list by gcc. This cause undefined symbols with -static flags.
# This hack allows C programs to be linked with "-static -ldl", but
# we not sure about C++ programs.
ac_cv_prog_cc_static="$ac_cv_prog_cc_static ${ac_cv_prog_cc_wl}-lC"
;;
cygwin* | mingw* | os2*)
# This hack is so that the source file can tell whether it is being
# built for inclusion in a dll (and should export symbols for example).
ac_cv_prog_cc_pic='-DDLL_EXPORT'
;;
amigaos*)
# FIXME: we need at least 68020 code to build shared libraries, but
# adding the `-m68020' flag to GCC prevents building anything better,
# like `-m68040'.
ac_cv_prog_cc_pic='-m68020 -resident32 -malways-restore-a4'
;;
sysv4*MP*)
if test -d /usr/nec; then
ac_cv_prog_cc_pic=-Kconform_pic
fi
;;
*)
ac_cv_prog_cc_pic='-fPIC'
;;
esac
else
case "$host_os" in
aix4*)
# All AIX code is PIC.
;;
chorus*)
case "$cc_basename" in
cxch68)
# Green Hills C++ Compiler
# 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 $MVME_DIR/lib/classix/libcx.s.a"
;;
esac
;;
dgux*)
case "$cc_basename" in
ec++)
ac_cv_prog_cc_pic='-KPIC'
;;
ghcx)
# Green Hills C++ Compiler
ac_cv_prog_cc_pic='-pic'
;;
*)
;;
esac
;;
freebsd*)
# FreeBSD uses GNU C++
;;
hpux9* | hpux10* | hpux11*)
case "$cc_basename" in
CC)
ac_cv_prog_cc_wl='-Wl,'
ac_cv_prog_cc_static="${ac_cv_prog_cc_wl}-a ${ac_cv_prog_cc_wl}archive"
ac_cv_prog_cc_pic='+Z'
;;
aCC)
ac_cv_prog_cc_wl='-Wl,'
ac_cv_prog_cc_static="${ac_cv_prog_cc_wl}-a ${ac_cv_prog_cc_wl}archive"
ac_cv_prog_cc_pic='+Z'
;;
*)
;;
esac
;;
irix5* | irix6*)
case "$cc_basename" in
CC)
ac_cv_prog_cc_wl='-Wl,'
ac_cv_prog_cc_static='-non_shared'
ac_cv_prog_cc_pic='-KPIC'
;;
*)
;;
esac
;;
linux*)
case "$cc_basename" in
KCC)
# KAI C++ Compiler
ac_cv_prog_cc_wl='--backend -Wl,'
ac_cv_prog_cc_pic='-fPIC'
;;
cxx)
# Compaq C++
# Make sure the PIC flag is empty. It appears that all Alpha
# Linux and Compaq Tru64 Unix objects are PIC.
ac_cv_prog_cc_pic=
ac_cv_prog_cc_static='-non_shared'
;;
*)
;;
esac
;;
lynxos*)
;;
m88k*)
;;
mvs*)
case "$cc_basename" in
cxx)
ac_cv_prog_cc_pic='-W c,exportall'
;;
*)
;;
esac
;;
netbsd*)
;;
osf3* | osf4* | osf5*)
case "$cc_basename" in
KCC)
ac_cv_prog_cc_wl='--backend -Wl,'
;;
RCC)
# Rational C++ 2.4.1
ac_cv_prog_cc_pic='-pic'
;;
cxx)
# Digital/Compaq C++
ac_cv_prog_cc_wl='-Wl,'
# Make sure the PIC flag is empty. It appears that all Alpha
# Linux and Compaq Tru64 Unix objects are PIC.
ac_cv_prog_cc_pic=
ac_cv_prog_cc_static='-non_shared'
;;
*)
;;
esac
;;
psos*)
;;
sco*)
case "$cc_basename" in
CC)
ac_cv_prog_cc_pic='-fPIC'
;;
*)
;;
esac
;;
solaris*)
case "$cc_basename" in
CC)
# Sun C++ 4.2, 5.x and Centerline C++
ac_cv_prog_cc_pic='-KPIC'
ac_cv_prog_cc_static='-Bstatic'
ac_cv_prog_cc_wl='-Qoption ld '
;;
gcx)
# Green Hills C++ Compiler
ac_cv_prog_cc_pic='-PIC'
;;
*)
;;
esac
;;
sunos4*)
case "$cc_basename" in
CC)
# Sun C++ 4.x
ac_cv_prog_cc_pic='-pic'
ac_cv_prog_cc_static='-Bstatic'
;;
lcc)
# Lucid
ac_cv_prog_cc_pic='-pic'
;;
*)
;;
esac
;;
tandem*)
case "$cc_basename" in
NCC)
# NonStop-UX NCC 3.20
ac_cv_prog_cc_pic='-KPIC'
;;
*)
;;
esac
;;
unixware*)
;;
vxworks*)
;;
*)
ac_cv_prog_cc_can_build_shared=no
;;
esac
fi
ac_cv_prog_cc_pic="$ac_cv_prog_cc_pic -DPIC"
# Figure out "hidden" C++ library dependencies from verbose
# compiler output whening linking a shared library.
cat > conftest.$ac_ext <<EOF
class Foo
{
public:
Foo (void) { a = 0; }
private:
int a;
};
EOF
if eval $ac_compile 2>&5; then
# Parse the compiler output and extract the necessary
# objects, libraries and library flags.
# Sentinel used to keep track of whether or not we are before
# the conftest object file.
pre_test_object_deps_done=no
for p in `eval $output_verbose_link_cmds`; do
case $p in
-L* | -R* | -l*)
# Some compilers place space between "-{L,R}" and the path.
# Remove the space.
if test $p = "-L" \
|| test $p = "-R"; then
prev=$p
continue
else
prev=
fi
if test "$pre_test_object_deps_done" = no; then
case $p in
-L* | -R*)
# Internal compiler library paths should come after those
# provided the user. The postdeps already come after the
# user supplied libs so there is no need to process them.
if test -z "$compiler_lib_search_path"; then
compiler_lib_search_path="${prev}${p}"
else
compiler_lib_search_path="${compiler_lib_search_path} ${prev}${p}"
fi
;;
# The "-l" case would never come before the object being
# linked, so don't bother handling this case.
esac
else
if test -z "$postdeps"; then
postdeps="${prev}${p}"
else
postdeps="${postdeps} ${prev}${p}"
fi
fi
;;
*.$objext)
# This assumes that the test object file only shows up
# once in the compiler output.
if test "$p" = "conftest.$objext"; then
pre_test_object_deps_done=yes
continue
fi
if test "$pre_test_object_deps_done" = no; then
if test -z "$predep_objects"; then
predep_objects="$p"
else
predep_objects="$predep_objects $p"
fi
else
if test -z "$postdep_objects"; then
postdep_objects="$p"
else
postdep_objects="$postdep_objects $p"
fi
fi
;;
*) ;; # Ignore the rest.
esac
done
# Clean up.
rm -f a.out
else
echo "ltcf-cxx.sh: error: problem compiling test program"
fi
$rm -f confest.$objext
need_lc=yes
if test "$enable_shared" = yes && test "$with_gcc" = yes; then
case "$archive_cmds" in
*'~'*)
# FIXME: we may have to deal with multi-command sequences.
;;
'$CC '*)
# Test whether the compiler implicitly links with -lc since on some
# systems, -lgcc has to come before -lc. If gcc already passes -lc
# to ld, don't add -lc before -lgcc.
echo $ac_n "checking whether -lc is implicitly linked in... $ac_c" 1>&6
if eval "test \"`echo '$''{'ac_cv_cxx_archive_cmds_needs_lc'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
need_lc=$ac_cv_cxx_archive_cmds_needs_lc
else
$rm conftest*
echo "static int dummy;" > conftest.$ac_ext
if { (eval echo $progname:@LINENO@: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; }; then
# Append any warnings to the config.log.
cat conftest.err 1>&5
soname=conftest
lib=conftest
libobjs=conftest.o
deplibs=
compiler_flags=-v
linker_flags=-v
verstring=
output_objdir=.
libname=conftest
allow_undefined_flag=
if { (eval echo $progname:@LINENO@: \"$archive_cmds\") 1>&5; (eval $archive_cmds) 2>&1 | grep " -lc " 1>&5 ; }; then
need_lc=no
fi
else
cat conftest.err 1>&5
fi
fi
$rm conftest*
echo "$ac_t$need_lc" 1>&6
;;
esac
fi
ac_cv_cxx_archive_cmds_needs_lc=$need_lc