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
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
|
dnl Process this with autoconf to create configure
AC_INIT(java/lang/System.java)
# This works around the fact that libtool configuration may change LD
# for this particular configuration, but some shells, instead of
# keeping the changes in LD private, export them just because LD is
# exported.
ORIGINAL_LD_FOR_MULTILIBS=$LD
AC_PROG_LN_S
dnl We use these options to decide which functions to include.
AC_ARG_WITH(target-subdir,
[ --with-target-subdir=SUBDIR
configuring in a subdirectory])
AC_ARG_WITH(cross-host,
[ --with-cross-host=HOST configuring with a cross compiler])
AC_ARG_WITH(newlib,
[ --with-newlib Configuring with newlib])
LIBGCJ_CONFIGURE(.)
AM_CONFIG_HEADER(include/config.h gcj/libgcj-config.h)
# Only use libltdl for non-newlib builds.
if test "x${with_newlib}" = "x" || test "x${with_newlib}" = "xno"; then
AC_LIBLTDL_CONVENIENCE
AC_LIBTOOL_DLOPEN
DIRLTDL=libltdl
AC_DEFINE(USE_LTDL, 1, [Define if libltdl is in use.])
# Sigh. Libtool's macro doesn't do the right thing.
INCLTDL="-I\$(top_srcdir)/libltdl $INCLTDL"
# FIXME: this is a hack.
sub_auxdir="`cd $ac_aux_dir && ${PWDCMD-pwd}`"
ac_configure_args="$ac_configure_args --with-auxdir=$sub_auxdir"
fi
AC_SUBST(INCLTDL)
AC_SUBST(LIBLTDL)
AC_SUBST(DIRLTDL)
AM_PROG_LIBTOOL
AC_CONFIG_SUBDIRS($DIRLTDL)
if test -z "$with_target_subdir" || test "$with_target_subdir" = "."; then
COMPPATH=.
else
COMPPATH=..
fi
AC_SUBST(COMPPATH)
dnl The -no-testsuite modules omit the test subdir.
AM_CONDITIONAL(TESTSUBDIR, test -d $srcdir/testsuite)
dnl Should the runtime set system properties by examining the
dnl environment variable GCJ_PROPERTIES?
AC_ARG_ENABLE(getenv-properties,
[ --disable-getenv-properties
don't set system properties from GCJ_PROPERTIES])
dnl Whether GCJ_PROPERTIES is used depends on the target.
if test -z "$enable_getenv_properties"; then
enable_getenv_properties=${enable_getenv_properties_default-yes}
fi
if test "$enable_getenv_properties" = no; then
AC_DEFINE(DISABLE_GETENV_PROPERTIES, 1,
[Define if system properties shouldn't be read from getenv("GCJ_PROPERTIES").])
fi
dnl Whether we should use arguments to main()
if test -z "$enable_main_args"; then
enable_main_args=${enable_main_args_default-yes}
fi
if test "$enable_main_args" = no; then
AC_DEFINE(DISABLE_MAIN_ARGS, 1, [Define if we should ignore arguments to main().])
fi
dnl Should we use hashtable-based synchronization?
dnl Currently works only for Linux X86/ia64
dnl Typically faster and more space-efficient
AC_ARG_ENABLE(hash-synchronization,
[ --enable-hash-synchronization
use global hash table for monitor locks])
if test -z "$enable_hash_synchronization"; then
enable_hash_synchronization=$enable_hash_synchronization_default
fi
# Do we allow intermodule optimizations (i.e. compiling many files at once)?
AC_ARG_ENABLE(libgcj-multifile,
[ --enable-libgcj-multifile
allow compilation of several files at once],
[case "${enableval}" in
yes) enable_libgcj_multifile=yes ;;
no) enable_libgcj_multifile=no ;;
*) AC_MSG_ERROR(bad value ${enableval} for --enable-libgcj-multifile) ;;
esac],[enable_libgcj_multifile=no])
AM_CONDITIONAL(ONESTEP, test "$enable_libgcj_multifile" = yes)
dnl configure.host sets slow_pthread_self if the synchronization code should
dnl try to avoid pthread_self calls by caching thread IDs in a hashtable.
if test "${slow_pthread_self}" = "yes"; then
AC_DEFINE(SLOW_PTHREAD_SELF, 1,
[Define if if the synchronization code should try to avoid pthread_self calls by caching thread IDs in a hashtable.])
fi
dnl See if the user has requested runtime debugging.
LIBGCJDEBUG="false"
AC_SUBST(LIBGCJDEBUG)
AC_ARG_ENABLE(libgcj-debug,
[ --enable-libgcj-debug enable runtime debugging code],
if test "$enable_libgcj_debug" = yes; then
AC_DEFINE(DEBUG, 1, [Define this if you want runtime debugging enabled.])
LIBGCJDEBUG="true"
fi)
dnl See if the user has the interpreter included.
AC_ARG_ENABLE(interpreter,
[ --enable-interpreter enable interpreter],
if test "$enable_interpreter" = yes; then
# This can also be set in configure.host.
libgcj_interpreter=yes
elif test "$enable_interpreter" = no; then
libgcj_interpreter=no
fi)
if test "$libgcj_interpreter" = yes; then
AC_DEFINE(INTERPRETER, 1, [Define if you want a bytecode interpreter.])
fi
INTERPRETER="$libgcj_interpreter"
AC_SUBST(INTERPRETER)
AC_MSG_CHECKING([for exception model to use])
AC_LANG_SAVE
AC_LANG_CPLUSPLUS
AC_ARG_ENABLE(sjlj-exceptions,
[ --enable-sjlj-exceptions force use of builtin_setjmp for exceptions],
[:],
[dnl Botheration. Now we've got to detect the exception model.
dnl Link tests against libgcc.a are problematic since -- at least
dnl as of this writing -- we've not been given proper -L bits for
dnl single-tree newlib and libgloss.
dnl
dnl This is what AC_TRY_COMPILE would do if it didn't delete the
dnl conftest files before we got a change to grep them first.
cat > conftest.$ac_ext << EOF
[#]line __oline__ "configure"
struct S { ~S(); };
void bar();
void foo()
{
S s;
bar();
}
EOF
old_CXXFLAGS="$CXXFLAGS"
CXXFLAGS=-S
if AC_TRY_EVAL(ac_compile); then
if grep _Unwind_SjLj_Resume conftest.s >/dev/null 2>&1 ; then
enable_sjlj_exceptions=yes
elif grep _Unwind_Resume conftest.s >/dev/null 2>&1 ; then
enable_sjlj_exceptions=no
fi
fi
CXXFLAGS="$old_CXXFLAGS"
rm -f conftest*])
if test x$enable_sjlj_exceptions = xyes; then
AC_DEFINE(SJLJ_EXCEPTIONS, 1,
[Define if the compiler is configured for setjmp/longjmp exceptions.])
ac_exception_model_name=sjlj
elif test x$enable_sjlj_exceptions = xno; then
ac_exception_model_name="call frame"
else
AC_MSG_ERROR([unable to detect exception model])
fi
AC_LANG_RESTORE
AC_MSG_RESULT($ac_exception_model_name)
# If we are non using SJLJ exceptions, and this host does not have support
# for unwinding from a signal handler, enable checked dereferences and divides.
if test $can_unwind_signal = no && test $enable_sjlj_exceptions = no; then
CHECKREFSPEC=-fcheck-references
DIVIDESPEC=-fuse-divide-subroutine
EXCEPTIONSPEC=
fi
dnl See if the user wants to disable java.net. This is the mildly
dnl ugly way that we admit that target-side configuration sucks.
AC_ARG_ENABLE(java-net,
[ --disable-java-net disable java.net])
dnl Whether java.net is built by default can depend on the target.
if test -z "$enable_java_net"; then
enable_java_net=${enable_java_net_default-yes}
fi
if test "$enable_java_net" = no; then
AC_DEFINE(DISABLE_JAVA_NET, 1, [Define if java.net native functions should be stubbed out.])
fi
dnl See if the user wants to configure without libffi. Some
dnl architectures don't support it, and default values are set in
dnl configure.host.
AC_ARG_WITH(libffi,
[ --without-libffi don't use libffi],,with_libffi=${with_libffi_default-yes})
LIBFFI=
LIBFFIINCS=
if test "$with_libffi" != no; then
AC_DEFINE(USE_LIBFFI, 1, [Define if we're to use libffi.])
LIBFFI=../libffi/libffi_convenience.la
LIBFFIINCS='-I$(top_srcdir)/../libffi/include -I../libffi/include'
fi
AC_SUBST(LIBFFI)
AC_SUBST(LIBFFIINCS)
dnl See if the user wants to disable JVMPI support.
AC_ARG_ENABLE(jvmpi,
[ --disable-jvmpi disable JVMPI support])
if test "$enable_jvmpi" != no; then
AC_DEFINE(ENABLE_JVMPI, 1, [Define if you are using JVMPI.])
fi
dnl If the target is an eCos system, use the appropriate eCos
dnl I/O routines.
dnl FIXME: this should not be a local option but a global target
dnl system; at present there is no eCos target.
TARGET_ECOS=${PROCESS-"no"}
AC_ARG_WITH(ecos,
[ --with-ecos enable runtime eCos target support],
TARGET_ECOS="$with_ecos"
)
PLATFORMOBJS=
case "$TARGET_ECOS" in
no) case "$host" in
*mingw*)
PLATFORM=Win32
PLATFORMNET=Win32
PLATFORMOBJS=win32.lo
PLATFORMH=win32.h
CHECK_FOR_BROKEN_MINGW_LD
;;
*)
PLATFORM=Posix
PLATFORMNET=Posix
PLATFORMOBJS=posix.lo
PLATFORMH=posix.h
;;
esac
;;
*)
PLATFORM=Ecos
PLATFORMNET=NoNet
AC_DEFINE(ECOS, 1, [Define if you're running eCos.])
PLATFORMOBJS=posix.lo
PLATFORMH=posix.h
;;
esac
AC_SUBST(PLATFORMOBJS)
AC_LINK_FILES(include/$PLATFORMH, include/platform.h)
AC_EGREP_HEADER(uint32_t, stdint.h, AC_DEFINE(HAVE_INT32_DEFINED, 1,
[Define if you have int32_t and uint32_t.]))
AC_EGREP_HEADER(uint32_t, inttypes.h, AC_DEFINE(HAVE_INT32_DEFINED, 1,
[Define if you have int32_t and uint32_t.]))
AC_EGREP_HEADER(u_int32_t, sys/types.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED, 1,
[Define if you have u_int32_t]))
AC_EGREP_HEADER(u_int32_t, sys/config.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED, 1,
[Define if you have u_int32_t]))
dnl These may not be defined in a non-ANS conformant embedded system.
dnl FIXME: Should these case a runtime exception in that case?
AC_EGREP_HEADER(mktime, time.h, AC_DEFINE(HAVE_MKTIME, 1,
[Define is you have 'mktime' in <time.h>]))
AC_EGREP_HEADER(localtime, time.h, AC_DEFINE(HAVE_LOCALTIME, 1,
[Define is you have 'localtime' in <time.h>]))
dnl Create the subdirectory for natFileDescriptor.cc, or the attempt
dnl to create the link will fail.
test -d java || mkdir java
test -d java/io || mkdir java/io
test -d gnu || mkdir gnu
AC_LINK_FILES(java/io/natFile${FILE-${PLATFORM}}.cc, java/io/natFile.cc)
AC_LINK_FILES(java/io/natFileDescriptor${FILE-${PLATFORM}}.cc, java/io/natFileDescriptor.cc)
dnl Likewise for ConcreteProcess.java and natConcreteProcess.cc.
test -d java/lang || mkdir java/lang
AC_LINK_FILES(java/lang/${PLATFORM}Process.java, java/lang/ConcreteProcess.java)
AC_LINK_FILES(java/lang/nat${PLATFORM}Process.cc, java/lang/natConcreteProcess.cc)
dnl Likewise for natInetAddress.cc and natNetworkInterface.cc.
test -d java/net || mkdir java/net
AC_LINK_FILES(java/net/natInetAddress${PLATFORMNET}.cc, java/net/natInetAddress.cc)
AC_LINK_FILES(java/net/natNetworkInterface${PLATFORMNET}.cc, java/net/natNetworkInterface.cc)
dnl Likewise for natPlainSocketImpl.cc and natPlainDatagramSocketImpl.ca.c
test -d gnu/java || mkdir gnu/java
test -d gnu/java/net || mkdir gnu/java/net
AC_LINK_FILES(gnu/java/net/natPlainSocketImpl${PLATFORMNET}.cc, gnu/java/net/natPlainSocketImpl.cc)
AC_LINK_FILES(gnu/java/net/natPlainDatagramSocketImpl${PLATFORMNET}.cc, gnu/java/net/natPlainDatagramSocketImpl.cc)
case "${host}" in
*mingw*)
SYSTEMSPEC="-lgdi32 -lwsock32 -lws2_32"
;;
*)
SYSTEMSPEC=
;;
esac
AC_SUBST(SYSTEMSPEC)
LIBGCJTESTSPEC="-L`${PWDCMD-pwd}`/.libs -rpath `${PWDCMD-pwd}`/.libs"
AC_SUBST(LIBGCJTESTSPEC)
AC_ARG_WITH(system-zlib,
[ --with-system-zlib use installed libz])
ZLIBSPEC=
AC_SUBST(ZLIBSPEC)
ZLIBTESTSPEC=
AC_SUBST(ZLIBTESTSPEC)
AC_PATH_XTRA
dnl Determine which AWT peer libraries to build
AC_ARG_ENABLE(java-awt,
[ --enable-java-awt list of AWT peer implementations to be built])
peerlibs="`echo ${enable_java_awt} | tr ',' ' '`"
use_xlib_awt=""
use_gtk_awt=""
# The default toolkit to use is the first one specified.
TOOLKIT=
AC_SUBST(TOOLKIT)
for peer in $peerlibs ; do
case $peer in
xlib)
if test "$no_x" = yes; then
echo "*** xlib peers requested but no X library available" 1>&2
exit 1
else
use_xlib_awt="yes"
if test -z "$TOOLKIT"; then
TOOLKIT=gnu.awt.xlib.XToolkit
fi
fi
;;
gtk)
if test "$no_x" = yes; then
echo "*** xlib peers requested but no X library available" 1>&2
exit 1
else
use_gtk_awt=yes
if test -z "$TOOLKIT"; then
TOOLKIT=gnu.java.awt.peer.gtk.GtkToolkit
fi
test -d jniinclude || mkdir jniinclude
fi
;;
no)
use_xlib_awt=
use_gtk_awt=
break
;;
*)
echo "*** unrecognised argument \"${peer}\" for --enable-java-awt" 1>&2
exit 1
esac
done
AM_CONDITIONAL(XLIB_AWT, test "$use_xlib_awt" = yes)
AM_CONDITIONAL(GTK_AWT, test "$use_gtk_awt" = yes)
dnl FIXME: this should be _libs on some hosts.
libsubdir=.libs
dnl Allow the GC to be disabled. Can be useful when debugging.
AC_MSG_CHECKING([for garbage collector to use])
AC_ARG_ENABLE(java-gc,
changequote(<<,>>)dnl
<< --enable-java-gc=TYPE choose garbage collector [boehm]>>,
changequote([,])
GC=$enableval,
GC=boehm)
GCLIBS=
GCINCS=
GCDEPS=
GCOBJS=
GCSPEC=
JC1GCSPEC=
GCTESTSPEC=
case "$GC" in
boehm)
AC_MSG_RESULT(boehm)
GCLIBS=../boehm-gc/libgcjgc_convenience.la
JC1GCSPEC='-fuse-boehm-gc'
GCTESTSPEC="-L`${PWDCMD-pwd}`/../boehm-gc/.libs -rpath `${PWDCMD-pwd}`/../boehm-gc/.libs"
dnl We also want to pick up some cpp flags required when including
dnl boehm-config.h. Yuck.
GCINCS="`cat ../boehm-gc/boehm-cflags`"
GCOBJS=boehm.lo
GCHDR=boehm-gc.h
dnl The POSIX thread support needs to know this.
AC_DEFINE(HAVE_BOEHM_GC, 1, [Define if Boehm GC in use.])
;;
no)
AC_MSG_RESULT(none)
GCOBJS=nogc.lo
GCHDR=no-gc.h
;;
*)
AC_MSG_ERROR(unrecognized collector \"$GC\")
;;
esac
AC_SUBST(GCLIBS)
AC_SUBST(GCINCS)
AC_SUBST(GCDEPS)
AC_SUBST(GCOBJS)
AC_SUBST(GCSPEC)
AC_SUBST(JC1GCSPEC)
AC_SUBST(GCTESTSPEC)
AC_LINK_FILES(include/$GCHDR, include/java-gc.h)
AC_MSG_CHECKING([for thread model used by GCC])
THREADS=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'`
AC_MSG_RESULT([$THREADS])
case "$THREADS" in
no | none | single)
THREADS=none
;;
posix | pthreads)
THREADS=posix
case "$host" in
*-*-linux*)
AC_DEFINE(LINUX_THREADS, 1, [Define if using POSIX threads on Linux.])
;;
esac
;;
win32)
;;
decosf1 | irix | mach | os2 | solaris | dce | vxworks)
AC_MSG_ERROR(thread package $THREADS not yet supported)
;;
*)
AC_MSG_ERROR($THREADS is an unknown thread package)
;;
esac
THREADCXXFLAGS=
THREADLDFLAGS=
THREADLIBS=
THREADINCS=
THREADDEPS=
THREADOBJS=
THREADH=
THREADSPEC=
case "$THREADS" in
posix)
case "$host" in
*-*-cygwin*)
# Don't set THREADLIBS here. Cygwin doesn't have -lpthread.
;;
changequote(<<,>>)
*-*-freebsd[1234]*)
changequote([,])
# Before FreeBSD 5, it didn't have -lpthread (or any library which
# merely adds pthread_* functions) but it does have a -pthread switch
# which is required at link-time to select -lc_r *instead* of -lc.
THREADLDFLAGS=-pthread
# Don't set THREADSPEC here as might be expected since -pthread is
# not processed when found within a spec file, it must come from
# the command line. For now, the user must provide the -pthread
# switch to link code compiled with gcj. In future, consider adding
# support for weak references to pthread_* functions ala gthr.h API.
THREADSPEC='%{!pthread: %eUnder this configuration, the user must provide -pthread when linking.}'
;;
*-*-freebsd*)
# FreeBSD 5 implements a model much closer to other modern UNIX
# which support threads. However, it still does not support
# -lpthread.
THREADLDFLAGS=-pthread
THREADSPEC=-lc_r
;;
alpha*-dec-osf*)
THREADCXXFLAGS=-pthread
# boehm-gc needs some functions from librt, so link that too.
THREADLIBS='-lpthread -lrt'
THREADSPEC='-lpthread -lrt'
;;
*)
THREADLIBS=-lpthread
THREADSPEC=-lpthread
;;
esac
THREADOBJS=posix-threads.lo
THREADH=posix-threads.h
# MIT pthreads doesn't seem to have the mutexattr functions.
# But for now we don't check for it. We just assume you aren't
# using MIT pthreads.
AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT, 1, [Define if using POSIX threads that have the mutexattr functions.])
# If we're using the Boehm GC, then we happen to know that it
# defines _REENTRANT, so we don't bother. Eww.
if test "$GC" != boehm; then
AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads])
fi
AC_DEFINE(_POSIX_PTHREAD_SEMANTICS, 1, [Required define if using POSIX threads])
;;
win32)
THREADOBJS=win32-threads.lo
THREADH=win32-threads.h
;;
none)
THREADOBJS=no-threads.lo
THREADH=no-threads.h
;;
esac
AC_LINK_FILES(include/$THREADH, include/java-threads.h)
AC_SUBST(THREADLIBS)
AC_SUBST(THREADINCS)
AC_SUBST(THREADDEPS)
AC_SUBST(THREADOBJS)
AC_SUBST(THREADSPEC)
AC_SUBST(THREADLDFLAGS)
AC_SUBST(THREADCXXFLAGS)
if test -d sysdep; then true; else mkdir sysdep; fi
AC_LINK_FILES(sysdep/$sysdeps_dir/locks.h, sysdep/locks.h)
HASH_SYNC_SPEC=
# Hash synchronization is only useful with posix threads right now.
if test "$enable_hash_synchronization" = yes && test "$THREADS" != "none"; then
HASH_SYNC_SPEC=-fhash-synchronization
AC_DEFINE(JV_HASH_SYNCHRONIZATION, 1, [Define if hash synchronization is in use])
fi
AC_SUBST(HASH_SYNC_SPEC)
AM_CONDITIONAL(USING_GCC, test "$GCC" = yes)
CANADIAN=no
NULL_TARGET=no
NATIVE=yes
# We're in the tree with gcc, and need to include some of its headers.
GCC_UNWIND_INCLUDE='-I$(libgcj_basedir)/../gcc'
# Figure out where generated headers like libgcj-config.h get installed.
changequote(,)dnl
gcc_version_trigger=${libgcj_basedir}/../gcc/version.c
gcc_version_full=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([^\"]*\)\".*/\1/'`
gcc_version=`echo ${gcc_version_full} | sed -e 's/\([^ ]*\) .*/\1/'`
tool_include_dir='$(libdir)/gcc/$(target_alias)/'${gcc_version}/include
changequote([,])dnl
AC_SUBST(tool_include_dir)
AC_SUBST(gcc_version)
if test "x${with_newlib}" = "xyes"; then
# We are being configured with a cross compiler. AC_REPLACE_FUNCS
# may not work correctly, because the compiler may not be able to
# link executables.
# We assume newlib. This lets us hard-code the functions we know
# we'll have.
AC_DEFINE(HAVE_MEMMOVE, 1, [Define if you have memmove.])
AC_DEFINE(HAVE_MEMCPY, 1, [Define if you have memcpy.])
AC_DEFINE(HAVE_STRERROR, 1, [Define if you have strerror.])
AC_DEFINE(HAVE_TIME, 1, [Define if you have time.])
AC_DEFINE(HAVE_GMTIME_R, 1, [Define if you have the 'gmtime_r' function])
AC_DEFINE(HAVE_LOCALTIME_R, 1, [Define if you have the 'localtime_r' function.])
AC_DEFINE(HAVE_USLEEP_DECL, 1, [Define if usleep is declared in <unistd.h>.])
dnl This is only for POSIX threads.
AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT, 1, [Define if using POSIX threads that have the mutexattr functions.])
dnl We also assume we are using gcc, which provides alloca.
AC_DEFINE(HAVE_ALLOCA)
dnl Assume we do not have getuid and friends.
AC_DEFINE(NO_GETUID, 1, [Define if getuid() and friends are missing.])
PLATFORMNET=NoNet
else
AC_CHECK_FUNCS(strerror ioctl select fstat open fsync sleep opendir)
AC_CHECK_FUNCS(gmtime_r localtime_r readdir_r getpwuid_r getcwd)
AC_CHECK_FUNCS(access stat mkdir rename rmdir unlink realpath utime chmod)
AC_CHECK_FUNCS(nl_langinfo setlocale)
AC_CHECK_FUNCS(inet_aton inet_addr, break)
AC_CHECK_FUNCS(inet_pton uname inet_ntoa)
AC_CHECK_FUNCS(fork execvp pipe sigaction ftruncate)
AC_CHECK_HEADERS(execinfo.h unistd.h dlfcn.h)
AC_CHECK_FUNC(backtrace, [
case "$host" in
ia64-*-linux*)
# Has broken backtrace()
;;
*)
AC_DEFINE(HAVE_BACKTRACE, 1,
[Define if your platform has a working backtrace() function.])
;;
esac
], [
case "$host" in
*mingw*)
# Has backtrace() defined in libgcj itself
AC_DEFINE(HAVE_BACKTRACE, 1,
[Define if your platform has a working backtrace() function.])
;;
esac
])
AC_CHECK_LIB(dl, dladdr, [
AC_DEFINE(HAVE_DLADDR, 1, [Define if you have dladdr()])])
if test x"$build" = x"$host"; then
AC_CHECK_FILES(/proc/self/exe, [
AC_DEFINE(HAVE_PROC_SELF_EXE, 1, [Define if you have /proc/self/exe])])
else
case $host in
*-linux*)
AC_DEFINE(HAVE_PROC_SELF_EXE, 1, [Define if you have /proc/self/exe])
;;
esac
fi
AM_ICONV
AM_LC_MESSAGES
AC_STRUCT_TIMEZONE
AC_CHECK_FUNCS(gethostbyname_r, [
AC_DEFINE(HAVE_GETHOSTBYNAME_R, 1,
[Define if you have the 'gethostbyname_r' function.])
# There are two different kinds of gethostbyname_r.
# We look for the one that returns `int'.
# Hopefully this check is robust enough.
AC_EGREP_HEADER(int.*gethostbyname_r, netdb.h, [
AC_DEFINE(GETHOSTBYNAME_R_RETURNS_INT, 1, [Define if gethostbyname_r returns 'int'.])])
case " $GCINCS " in
*" -D_REENTRANT "*) ;;
*)
dnl On DU4.0, gethostbyname_r is only declared with -D_REENTRANT
AC_CACHE_CHECK([whether gethostbyname_r declaration requires -D_REENTRANT],
[libjava_cv_gethostbyname_r_needs_reentrant],
[ AC_LANG_SAVE
AC_LANG_CPLUSPLUS
AC_TRY_COMPILE([#include <netdb.h>],
[gethostbyname_r("", 0, 0);],
[libjava_cv_gethostbyname_r_needs_reentrant=no], [dnl
CPPFLAGS_SAVE="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS -D_REENTRANT"
AC_TRY_COMPILE([#include <netdb.h>], [gethostbyname_r("", 0, 0);],
[libjava_cv_gethostbyname_r_needs_reentrant=yes],
[libjava_cv_gethostbyname_r_needs_reentrant=fail])
CPPFLAGS="$CPPFLAGS_SAVE"
])
AC_LANG_RESTORE
])
if test "x$libjava_cv_gethostbyname_r_needs_reentrant" = xyes; then
AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads])
fi
;;
esac
AC_CACHE_CHECK([for struct hostent_data],
[libjava_cv_struct_hostent_data], [dnl
AC_TRY_COMPILE([
#if GETHOSTBYNAME_R_NEEDS_REENTRANT && !defined(_REENTRANT)
# define _REENTRANT 1
#endif
#include <netdb.h>], [struct hostent_data data;],
[libjava_cv_struct_hostent_data=yes],
[libjava_cv_struct_hostent_data=no])])
if test "x$libjava_cv_struct_hostent_data" = xyes; then
AC_DEFINE(HAVE_STRUCT_HOSTENT_DATA, 1,
[Define if struct hostent_data is defined in netdb.h])
fi
])
# FIXME: libjava source code expects to find a prototype for
# gethostbyaddr_r in netdb.h. The outer check ensures that
# HAVE_GETHOSTBYADDR_R will not be defined if the prototype fails
# to exist where expected. (The root issue: AC_CHECK_FUNCS assumes C
# linkage check is enough, yet C++ code requires proper prototypes.)
AC_EGREP_HEADER(gethostbyaddr_r, netdb.h, [
AC_CHECK_FUNCS(gethostbyaddr_r, [
AC_DEFINE(HAVE_GETHOSTBYADDR_R, 1,
[Define if you have the 'gethostbyaddr_r' function.])
# There are two different kinds of gethostbyaddr_r.
# We look for the one that returns `int'.
# Hopefully this check is robust enough.
AC_EGREP_HEADER(int.*gethostbyaddr_r, netdb.h, [
AC_DEFINE(GETHOSTBYADDR_R_RETURNS_INT, 1,
[Define if gethostbyaddr_r returns 'int'.])])])])
AC_CHECK_FUNCS(gethostname, [
AC_DEFINE(HAVE_GETHOSTNAME, 1,
[Define if you have the 'gethostname' function.])
AC_EGREP_HEADER(gethostname, unistd.h, [
AC_DEFINE(HAVE_GETHOSTNAME_DECL, 1,
[Define if gethostname is declared in <unistd.h>.])])])
AC_CHECK_FUNCS(usleep, [
AC_EGREP_HEADER(usleep, unistd.h, [
AC_DEFINE(HAVE_USLEEP_DECL, 1,
[Define if usleep is declared in <unistd.h>.])])])
# Look for these functions in the thread library, but only bother
# if using POSIX threads.
if test "$THREADS" = posix; then
save_LIBS="$LIBS"
LIBS="$LIBS $THREADLIBS"
# Some POSIX thread systems don't have pthread_mutexattr_settype.
# E.g., Solaris.
AC_CHECK_FUNCS(pthread_mutexattr_settype pthread_mutexattr_setkind_np)
# Look for sched_yield. Up to Solaris 2.6, it is in libposix4, since
# Solaris 7 the name librt is preferred.
AC_CHECK_FUNCS(sched_yield, , [
AC_CHECK_LIB(rt, sched_yield, [
AC_DEFINE(HAVE_SCHED_YIELD)
THREADLIBS="$THREADLIBS -lrt"
THREADSPEC="$THREADSPEC -lrt"], [
AC_CHECK_LIB(posix4, sched_yield, [
AC_DEFINE(HAVE_SCHED_YIELD)
THREADLIBS="$THREADLIBS -lposix4"
THREADSPEC="$THREADSPEC -lposix4"])])])
LIBS="$save_LIBS"
# We can save a little space at runtime if the mutex has m_count
# or __m_count. This is a nice hack for Linux.
AC_TRY_COMPILE([#include <pthread.h>], [
extern pthread_mutex_t *mutex; int q = mutex->m_count;
], AC_DEFINE(PTHREAD_MUTEX_HAVE_M_COUNT, 1,
[Define if pthread_mutex_t has m_count member.]), [
AC_TRY_COMPILE([#include <pthread.h>], [
extern pthread_mutex_t *mutex; int q = mutex->__m_count;
], AC_DEFINE(PTHREAD_MUTEX_HAVE___M_COUNT, 1,
[Define if pthread_mutex_t has __m_count member.]))])
fi
# We require a way to get the time.
time_found=no
AC_CHECK_FUNCS(gettimeofday time ftime, time_found=yes)
if test "$time_found" = no; then
AC_MSG_ERROR([no function found to get the time])
fi
AC_CHECK_FUNCS(memmove)
# We require memcpy.
memcpy_found=no
AC_CHECK_FUNCS(memcpy, memcpy_found=yes)
if test "$memcpy_found" = no; then
AC_MSG_ERROR([memcpy is required])
fi
AC_CHECK_LIB(dl, dlopen, [
AC_DEFINE(HAVE_DLOPEN, 1, [Define if dlopen is available])])
# Some library-finding code we stole from Tcl.
#--------------------------------------------------------------------
# Check for the existence of the -lsocket and -lnsl libraries.
# The order here is important, so that they end up in the right
# order in the command line generated by make. Here are some
# special considerations:
# 1. Use "connect" and "accept" to check for -lsocket, and
# "gethostbyname" to check for -lnsl.
# 2. Use each function name only once: can't redo a check because
# autoconf caches the results of the last check and won't redo it.
# 3. Use -lnsl and -lsocket only if they supply procedures that
# aren't already present in the normal libraries. This is because
# IRIX 5.2 has libraries, but they aren't needed and they're
# bogus: they goof up name resolution if used.
# 4. On some SVR4 systems, can't use -lsocket without -lnsl too.
# To get around this problem, check for both libraries together
# if -lsocket doesn't work by itself.
#--------------------------------------------------------------------
AC_CACHE_CHECK([for socket libraries], gcj_cv_lib_sockets,
[gcj_cv_lib_sockets=
gcj_checkBoth=0
unset ac_cv_func_connect
AC_CHECK_FUNC(connect, gcj_checkSocket=0, gcj_checkSocket=1)
if test "$gcj_checkSocket" = 1; then
unset ac_cv_func_connect
AC_CHECK_LIB(socket, main, gcj_cv_lib_sockets="-lsocket",
gcj_checkBoth=1)
fi
if test "$gcj_checkBoth" = 1; then
gcj_oldLibs=$LIBS
LIBS="$LIBS -lsocket -lnsl"
unset ac_cv_func_accept
AC_CHECK_FUNC(accept,
[gcj_checkNsl=0
gcj_cv_lib_sockets="-lsocket -lnsl"])
unset ac_cv_func_accept
LIBS=$gcj_oldLibs
fi
unset ac_cv_func_gethostbyname
gcj_oldLibs=$LIBS
LIBS="$LIBS $gcj_cv_lib_sockets"
AC_CHECK_FUNC(gethostbyname, ,
[AC_CHECK_LIB(nsl, main,
[gcj_cv_lib_sockets="$gcj_cv_lib_sockets -lnsl"])])
unset ac_cv_func_gethostbyname
LIBS=$gcj_oldLIBS
])
SYSTEMSPEC="$SYSTEMSPEC $gcj_cv_lib_sockets"
if test "$with_system_zlib" = yes; then
AC_CHECK_LIB(z, deflate, ZLIBSPEC=-lz, ZLIBSPEC=)
fi
# Test for Gtk stuff, if asked for.
if test "$use_gtk_awt" = yes; then
AM_PATH_GTK_2_0(2.0.0,,exit 1)
AM_PATH_GLIB_2_0(2.0.0,,exit 1,gthread)
dnl XXX Fix me when libart.m4 has the compile test fixed!
enable_libarttest=no
AM_PATH_LIBART(2.1.0,,exit 1)
fi
# On Solaris, and maybe other architectures, the Boehm collector
# requires -ldl.
if test "$GC" = boehm; then
AC_CHECK_LIB(dl, main, SYSTEMSPEC="$SYSTEMSPEC -ldl")
fi
fi
if test -z "${with_multisubdir}"; then
builddotdot=.
else
changequote(<<,>>)
builddotdot=`echo ${with_multisubdir} | sed -e 's:[^/][^/]*:..:g'`
changequote([,])
fi
# Which gcj do we use?
which_gcj=default
built_gcc_dir="`cd ${builddotdot}/../../gcc && ${PWDCMD-pwd}`"
if test -n "${with_cross_host}"; then
# We are being configured with a cross compiler. We can't
# use ac_exeext, because that is for the target platform.
NATIVE=no
cross_host_exeext=
case "${with_cross_host}" in
*mingw* | *cygwin*)
cross_host_exeext=.exe
;;
esac
if test -x "${built_gcc_dir}/gcj${cross_host_exeext}"; then
if test x"$build_alias" = x"$with_cross_host"; then
# Ordinary cross (host!=target and host=build)
which_gcj=built
else
# Canadian cross (host!=target and host!=build)
which_gcj=cross
fi
else
which_gcj=cross
fi
else
# We are being configured with a native or crossed-native compiler
if test -x "${built_gcc_dir}/gcj${ac_exeext}"; then
if test x"$build" = x"$host"; then
# True native build (host=target and host=build)
which_gcj=built
else
# Crossed-native build (host=target and host!=build)
which_gcj=cross
fi
else
which_gcj=path
fi
fi
case "${which_gcj}" in
built)
GCJ="$built_gcc_dir/gcj -B`${PWDCMD-pwd}`/ -B$built_gcc_dir/"
;;
cross)
# See the comment in Makefile.am about CANADIAN being a misnomer
CANADIAN=yes
NULL_TARGET=no
if test "x${with_newlib}" = "xyes"; then
# FIXME (comment): Why is this needed?
GCC_UNWIND_INCLUDE=
GCJ="${target_alias}-gcj"
else
GCJ="${target_alias}-gcj -B`${PWDCMD-pwd}`/"
fi
;;
path)
# See the comment in Makefile.am about CANADIAN being a misnomer
CANADIAN=yes
NULL_TARGET=yes
GCJ="gcj -B`${PWDCMD-pwd}`/"
;;
esac
# Create it, so that compile/link tests don't fail
test -f libgcj.spec || touch libgcj.spec
# We must search the source tree for java.lang, since we still don't
# have libgcj.jar nor java/lang/*.class
GCJ_SAVE_CPPFLAGS=$CPPFLAGS
CPPFLAGS="$CPPFLAGS -I`${PWDCMD-pwd}` -I`cd $srcdir && ${PWDCMD-pwd}`"
# Since some classes depend on this one, we need its source available
# before we can do any GCJ compilation test :-(
if test ! -f gnu/classpath/Configuration.java; then
test -d gnu || mkdir gnu
test -d gnu/classpath || mkdir gnu/classpath
sed -e 's,@LIBGCJDEBUG@,$LIBGCJDEBUG,' \
-e 's,@TOOLKIT@,$TOOLKIT,' \
< $srcdir/gnu/classpath/Configuration.java.in \
> gnu/classpath/Configuration.java
# We do not want to redirect the output of the grep below to /dev/null,
# but we add /dev/null to the input list so that grep will print the
# filename of Configuration.java in case it finds any matches.
if grep @ gnu/classpath/Configuration.java /dev/null; then
AC_MSG_ERROR([configure.in is missing the substitutions above])
fi
fi
LT_AC_PROG_GCJ
CPPFLAGS=$GCJ_SAVE_CPPFLAGS
AC_COMPILE_CHECK_SIZEOF(void *)
ZLIBS=
SYS_ZLIBS=
ZINCS=
if test -z "$ZLIBSPEC"; then
# Use zlib from the GCC tree.
ZINCS='-I$(top_srcdir)/../zlib'
ZLIBS=../zlib/libzgcj_convenience.la
else
# System's zlib.
SYS_ZLIBS="$ZLIBSPEC"
fi
AC_SUBST(ZLIBS)
AC_SUBST(SYS_ZLIBS)
AC_SUBST(ZINCS)
AC_SUBST(DIVIDESPEC)
AC_SUBST(CHECKREFSPEC)
AC_SUBST(EXCEPTIONSPEC)
AC_SUBST(IEEESPEC)
AM_CONDITIONAL(CANADIAN, test "$CANADIAN" = yes)
AM_CONDITIONAL(NULL_TARGET, test "$NULL_TARGET" = yes)
AM_CONDITIONAL(NATIVE, test "$NATIVE" = yes || test "$NULL_TARGET" = yes)
AM_CONDITIONAL(NEEDS_DATA_START, test "$NEEDS_DATA_START" = yes && test "$NATIVE" = yes)
AC_SUBST(GCC_UNWIND_INCLUDE)
if test -n "$with_cross_host" &&
test x"$with_cross_host" != x"no"; then
toolexecdir='$(exec_prefix)/$(target_alias)'
toolexecmainlibdir='$(toolexecdir)/lib'
else
toolexecdir='$(libdir)/gcc-lib/$(target_alias)'
toolexecmainlibdir='$(libdir)'
fi
multi_os_directory=`$CC -print-multi-os-directory`
case $multi_os_directory in
.) toolexeclibdir=$toolexecmainlibdir ;; # Avoid trailing /.
*) toolexeclibdir=$toolexecmainlibdir/$multi_os_directory ;;
esac
AC_SUBST(toolexecdir)
AC_SUBST(toolexecmainlibdir)
AC_SUBST(toolexeclibdir)
# Determine gcj version number.
changequote(<<,>>)
gcjversion=`$GCJ -v 2>&1 | sed -n 's/^.*version \([^ ]*\).*$/\1/p'`
changequote([,])
GCJVERSION=$gcjversion
AC_SUBST(GCJVERSION)
AC_DEFINE_UNQUOTED(GCJVERSION, "$GCJVERSION", [Short GCJ version ID])
dnl We check for sys/filio.h because Solaris 2.5 defines FIONREAD there.
dnl On that system, sys/ioctl.h will not include sys/filio.h unless
dnl BSD_COMP is defined; just including sys/filio.h is simpler.
AC_CHECK_HEADERS(unistd.h bstring.h sys/time.h sys/types.h fcntl.h sys/ioctl.h sys/filio.h sys/stat.h sys/select.h sys/socket.h netinet/in.h arpa/inet.h netdb.h net/if.h pwd.h sys/config.h stdint.h langinfo.h locale.h)
dnl We avoid AC_HEADER_DIRENT since we really only care about dirent.h
dnl for now. If you change this, you also must update natFile.cc.
AC_CHECK_HEADERS(dirent.h)
AC_CHECK_HEADERS(inttypes.h, [
AC_DEFINE(HAVE_INTTYPES_H, 1, [Define if <inttypes.h> is available])
AC_DEFINE(JV_HAVE_INTTYPES_H, 1, [Define if <inttypes.h> is available])
])
AC_HEADER_SYS_WAIT
AC_CHECK_TYPE([ssize_t], [int])
AC_MSG_CHECKING([for in_addr_t])
AC_TRY_COMPILE([#include <sys/types.h>
#if STDC_HEADERS
#include <stdlib.h>
#include <stddef.h>
#endif
#if HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif], [in_addr_t foo;],
[AC_DEFINE(HAVE_IN_ADDR_T, 1,
[Define to 1 if 'in_addr_t' is defined in sys/types.h or netinet/in.h.])
AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)])
AC_MSG_CHECKING([whether struct ip_mreq is in netinet/in.h])
AC_TRY_COMPILE([#include <netinet/in.h>], [struct ip_mreq mreq;],
[AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1,
[Define if struct ip_mreq is defined in netinet/in.h.])
AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)])
AC_MSG_CHECKING([whether struct ipv6_mreq is in netinet/in.h])
AC_TRY_COMPILE([#include <netinet/in.h>], [struct ipv6_mreq mreq6;],
[AC_DEFINE(HAVE_STRUCT_IPV6_MREQ, 1,
[Define if struct ipv6_mreq is defined in netinet/in.h.])
AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)])
AC_MSG_CHECKING([whether struct sockaddr_in6 is in netinet/in.h])
AC_TRY_COMPILE([#include <netinet/in.h>], [struct sockaddr_in6 addr6;],
[AC_DEFINE(HAVE_INET6, 1,
[Define if inet6 structures are defined in netinet/in.h.])
AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)])
AC_MSG_CHECKING([for socklen_t in sys/socket.h])
AC_TRY_COMPILE([#define _POSIX_PII_SOCKET
#include <sys/types.h>
#include <sys/socket.h>], [socklen_t x = 5;],
[AC_DEFINE(HAVE_SOCKLEN_T, 1, [Define it socklen_t typedef is in sys/socket.h.])
AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)])
AC_MSG_CHECKING([for tm_gmtoff in struct tm])
AC_TRY_COMPILE([#include <time.h>], [struct tm tim; tim.tm_gmtoff = 0;],
[AC_DEFINE(STRUCT_TM_HAS_GMTOFF, 1, [Define if struct tm has tm_gmtoff field.])
AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)
AC_MSG_CHECKING([for global timezone variable])
dnl FIXME: we don't want a link check here because that won't work
dnl when cross-compiling. So instead we make an assumption that
dnl the header file will mention timezone if it exists.
dnl Don't find the win32 function timezone
AC_TRY_COMPILE([#include <time.h>], [void i(){long z2 = 2*timezone;}],
[AC_DEFINE(HAVE_TIMEZONE, 1, [Define if global 'timezone' exists.])
AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)
AC_MSG_CHECKING([for global _timezone variable])
dnl FIXME: As above, don't want link check
AC_TRY_COMPILE([#include <time.h>], [long z2 = _timezone;],
[AC_DEFINE(HAVE_UNDERSCORE_TIMEZONE, 1,
[Define if your platform has the global _timezone variable.])
AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)])])])
AC_FUNC_ALLOCA
AC_FUNC_MMAP
AC_CHECK_PROGS(PERL, perl, false)
SYSDEP_SOURCES=
case "${host}" in
i?86-*-linux*)
SIGNAL_HANDLER=include/i386-signal.h
;;
sparc*-sun-solaris*)
SIGNAL_HANDLER=include/sparc-signal.h
;;
# ia64-*)
# SYSDEP_SOURCES=sysdep/ia64.c
# test -d sysdep || mkdir sysdep
# ;;
ia64-*-linux*)
SIGNAL_HANDLER=include/dwarf2-signal.h
;;
powerpc-*-linux*)
SIGNAL_HANDLER=include/powerpc-signal.h
;;
alpha*-*-linux*)
SIGNAL_HANDLER=include/dwarf2-signal.h
;;
s390*-*-linux*)
SIGNAL_HANDLER=include/s390-signal.h
;;
x86_64*-*-linux*)
SIGNAL_HANDLER=include/x86_64-signal.h
;;
sparc*-*-linux*)
SIGNAL_HANDLER=include/dwarf2-signal.h
;;
sh-*-linux* | sh[[34]]*-*-linux*)
SIGNAL_HANDLER=include/dwarf2-signal.h
;;
*mingw*)
SIGNAL_HANDLER=include/win32-signal.h
;;
*)
SIGNAL_HANDLER=include/default-signal.h
;;
esac
# If we're using sjlj exceptions, forget what we just learned.
if test "$enable_sjlj_exceptions" = yes; then
SIGNAL_HANDLER=include/default-signal.h
fi
# Define here any compiler flags that you need in order to make backtrace() work.
BACKTRACESPEC=
case "${host}" in
x86_64*-*-linux*)
BACKTRACESPEC=-fno-omit-frame-pointer
;;
esac
AC_SUBST(BACKTRACESPEC)
AC_SUBST(SYSDEP_SOURCES)
AC_LINK_FILES($SIGNAL_HANDLER, include/java-signal.h)
if test "${multilib}" = "yes"; then
multilib_arg="--enable-multilib"
else
multilib_arg=
fi
here=`${PWDCMD-pwd}`
AC_SUBST(here)
# We get this from the environment.
AC_SUBST(GCJFLAGS)
AC_OUTPUT(Makefile libgcj.pc libgcj.spec libgcj-test.spec gnu/classpath/Configuration.java gcj/Makefile include/Makefile testsuite/Makefile,
[# Only add multilib support code if we just rebuilt top-level Makefile.
case " $CONFIG_FILES " in
*" Makefile "*)
LD="${ORIGINAL_LD_FOR_MULTILIBS}"
ac_file=Makefile . ${libgcj_basedir}/../config-ml.in
;;
esac
# Make subdirectories and `.d' files. Look in both srcdir and
# builddir for the .java files.
h=`${PWDCMD-pwd}`
: > deps.mk
( (cd $srcdir && find . \( -name '*.java' -o -name '*.cc' -o -name '*.c' \) -print) ;
find . \( -name '*.java' -o -name '*.cc' -o -name '*.c' \) -print) | \
fgrep -v testsuite | \
sed -e 's/\.java/.d/'\;'s/\.cc/.d/'\;'s/\.c/.d/' | \
while read f; do
echo "include $f" >> deps.mk
test -f $f || {
changequote(<<,>>)
d=`echo $f | sed -e 's,/[^/]*$,,'`
changequote([,])
if test ! -d $d; then
$libgcj_basedir/../mkinstalldirs $d
fi;
echo > $f
}
done
],
srcdir=${srcdir}
host=${host}
target=${target}
with_multisubdir=${with_multisubdir}
ac_configure_args="${multilib_arg} ${ac_configure_args}"
CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
libgcj_basedir=${libgcj_basedir}
CC="${CC}"
CXX="${CXX}"
ORIGINAL_LD_FOR_MULTILIBS="${ORIGINAL_LD_FOR_MULTILIBS}"
)
|