aboutsummaryrefslogtreecommitdiff
path: root/sim/common/aclocal.m4
blob: 20c72ffe156b6cb48a855ecca3767c756640f3a2 (plain)
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
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
# This file contains common code used by all simulators.
#
# SIM_AC_COMMON invokes AC macros used by all simulators and by the common
# directory.  It is intended to be invoked before any target specific stuff.
# SIM_AC_OUTPUT is a cover function to AC_OUTPUT to generate the Makefile.
# It is intended to be invoked last.
#
# The simulator's configure.in should look like:
#
# dnl Process this file with autoconf to produce a configure script.
# sinclude(../common/aclocal.m4)
# AC_PREREQ(2.5)dnl
# AC_INIT(Makefile.in)
#
# SIM_AC_COMMON
#
# ... target specific stuff ...
#
# SIM_AC_OUTPUT

AC_DEFUN(SIM_AC_COMMON,
[
# autoconf.info says this should be called right after AC_INIT.
AC_CONFIG_HEADER(ifelse([$1],,config.h,[$1]):config.in)

AC_CONFIG_AUX_DIR(`cd $srcdir;pwd`/../..)
AC_CANONICAL_SYSTEM
AC_ARG_PROGRAM
AC_PROG_CC
AC_PROG_INSTALL

# Put a plausible default for CC_FOR_BUILD in Makefile.
if test "x$cross_compiling" = "xno"; then
  CC_FOR_BUILD='$(CC)'
else
  CC_FOR_BUILD=gcc
fi
AC_SUBST(CC_FOR_BUILD)

AC_SUBST(CFLAGS)
AC_SUBST(HDEFINES)
AR=${AR-ar}
AC_SUBST(AR)
AC_PROG_RANLIB

dnl We don't use gettext, but bfd does.  So we do the appropriate checks
dnl to see if there are intl libraries we should link against.
ALL_LINGUAS=
CY_GNU_GETTEXT

# Check for common headers.
# FIXME: Seems to me this can cause problems for i386-windows hosts.
# At one point there were hardcoded AC_DEFINE's if ${host} = i386-*-windows*.
AC_CHECK_HEADERS(stdlib.h string.h strings.h unistd.h time.h)
AC_CHECK_HEADERS(sys/time.h sys/resource.h)
AC_CHECK_HEADERS(fcntl.h fpu_control.h)
AC_CHECK_HEADERS(dlfcn.h errno.h sys/stat.h)
AC_CHECK_FUNCS(getrusage time sigaction __setfpucw)

# Check for socket libraries
AC_CHECK_LIB(socket, bind)
AC_CHECK_LIB(nsl, gethostbyname)

. ${srcdir}/../../bfd/configure.host

dnl Standard (and optional) simulator options.
dnl Eventually all simulators will support these.
dnl Do not add any here that cannot be supported by all simulators.
dnl Do not add similar but different options to a particular simulator,
dnl all shall eventually behave the same way.


dnl We don't use automake, but we still want to support
dnl --enable-maintainer-mode.
USE_MAINTAINER_MODE=no
AC_ARG_ENABLE(maintainer-mode,
[  --enable-maintainer-mode		Enable developer functionality.],
[case "${enableval}" in
  yes)	MAINT="" USE_MAINTAINER_MODE=yes ;;
  no)	MAINT="#" ;;
  *)	AC_MSG_ERROR("--enable-maintainer-mode does not take a value"); MAINT="#" ;;
esac
if test x"$silent" != x"yes" && test x"$MAINT" = x""; then
  echo "Setting maintainer mode" 6>&1
fi],[MAINT="#"])dnl
AC_SUBST(MAINT)


dnl This is a generic option to enable special byte swapping
dnl insns on *any* cpu.
AC_ARG_ENABLE(sim-bswap,
[  --enable-sim-bswap			Use Host specific BSWAP instruction.],
[case "${enableval}" in
  yes)	sim_bswap="-DWITH_BSWAP=1 -DUSE_BSWAP=1";;
  no)	sim_bswap="-DWITH_BSWAP=0";;
  *)	AC_MSG_ERROR("--enable-sim-bswap does not take a value"); sim_bswap="";;
esac
if test x"$silent" != x"yes" && test x"$sim_bswap" != x""; then
  echo "Setting bswap flags = $sim_bswap" 6>&1
fi],[sim_bswap=""])dnl
AC_SUBST(sim_bswap)


AC_ARG_ENABLE(sim-cflags,
[  --enable-sim-cflags=opts		Extra CFLAGS for use in building simulator],
[case "${enableval}" in
  yes)	 sim_cflags="-O2 -fomit-frame-pointer";;
  trace) AC_MSG_ERROR("Please use --enable-sim-debug instead."); sim_cflags="";;
  no)	 sim_cflags="";;
  *)	 sim_cflags=`echo "${enableval}" | sed -e "s/,/ /g"`;;
esac
if test x"$silent" != x"yes" && test x"$sim_cflags" != x""; then
  echo "Setting sim cflags = $sim_cflags" 6>&1
fi],[sim_cflags=""])dnl
AC_SUBST(sim_cflags)


dnl --enable-sim-debug is for developers of the simulator
dnl the allowable values are work-in-progress
AC_ARG_ENABLE(sim-debug,
[  --enable-sim-debug=opts		Enable debugging flags],
[case "${enableval}" in
  yes) sim_debug="-DDEBUG=7 -DWITH_DEBUG=7";;
  no)  sim_debug="-DDEBUG=0 -DWITH_DEBUG=0";;
  *)   sim_debug="-DDEBUG='(${enableval})' -DWITH_DEBUG='(${enableval})'";;
esac
if test x"$silent" != x"yes" && test x"$sim_debug" != x""; then
  echo "Setting sim debug = $sim_debug" 6>&1
fi],[sim_debug=""])dnl
AC_SUBST(sim_debug)


dnl --enable-sim-stdio is for users of the simulator
dnl It determines if IO from the program is routed through STDIO (buffered)
AC_ARG_ENABLE(sim-stdio,
[  --enable-sim-stdio			Specify whether to use stdio for console input/output.],
[case "${enableval}" in
  yes)	sim_stdio="-DWITH_STDIO=DO_USE_STDIO";;
  no)	sim_stdio="-DWITH_STDIO=DONT_USE_STDIO";;
  *)	AC_MSG_ERROR("Unknown value $enableval passed to --enable-sim-stdio"); sim_stdio="";;
esac
if test x"$silent" != x"yes" && test x"$sim_stdio" != x""; then
  echo "Setting stdio flags = $sim_stdio" 6>&1
fi],[sim_stdio=""])dnl
AC_SUBST(sim_stdio)


dnl --enable-sim-trace is for users of the simulator
dnl The argument is either a bitmask of things to enable [exactly what is
dnl up to the simulator], or is a comma separated list of names of tracing
dnl elements to enable.  The latter is only supported on simulators that
dnl use WITH_TRACE.
AC_ARG_ENABLE(sim-trace,
[  --enable-sim-trace=opts		Enable tracing flags],
[case "${enableval}" in
  yes)	sim_trace="-DTRACE=1 -DWITH_TRACE=-1";;
  no)	sim_trace="-DTRACE=0 -DWITH_TRACE=0";;
  [[-0-9]]*)
	sim_trace="-DTRACE='(${enableval})' -DWITH_TRACE='(${enableval})'";;
  [[a-z]]*)
	sim_trace=""
	for x in `echo "$enableval" | sed -e "s/,/ /g"`; do
	  if test x"$sim_trace" = x; then
	    sim_trace="-DWITH_TRACE='(TRACE_$x"
	  else
	    sim_trace="${sim_trace}|TRACE_$x"
	  fi
	done
	sim_trace="$sim_trace)'" ;;
esac
if test x"$silent" != x"yes" && test x"$sim_trace" != x""; then
  echo "Setting sim trace = $sim_trace" 6>&1
fi],[sim_trace=""])dnl
AC_SUBST(sim_trace)


dnl --enable-sim-profile
dnl The argument is either a bitmask of things to enable [exactly what is
dnl up to the simulator], or is a comma separated list of names of profiling
dnl elements to enable.  The latter is only supported on simulators that
dnl use WITH_PROFILE.
AC_ARG_ENABLE(sim-profile,
[  --enable-sim-profile=opts		Enable profiling flags],
[case "${enableval}" in
  yes)	sim_profile="-DPROFILE=1 -DWITH_PROFILE=-1";;
  no)	sim_profile="-DPROFILE=0 -DWITH_PROFILE=0";;
  [[-0-9]]*)
	sim_profile="-DPROFILE='(${enableval})' -DWITH_PROFILE='(${enableval})'";;
  [[a-z]]*)
	sim_profile=""
	for x in `echo "$enableval" | sed -e "s/,/ /g"`; do
	  if test x"$sim_profile" = x; then
	    sim_profile="-DWITH_PROFILE='(PROFILE_$x"
	  else
	    sim_profile="${sim_profile}|PROFILE_$x"
	  fi
	done
	sim_profile="$sim_profile)'" ;;
esac
if test x"$silent" != x"yes" && test x"$sim_profile" != x""; then
  echo "Setting sim profile = $sim_profile" 6>&1
fi],[sim_profile="-DPROFILE=1 -DWITH_PROFILE=-1"])dnl
AC_SUBST(sim_profile)


dnl Types used by common code
AC_TYPE_SIGNAL

dnl Detect exe extension
AC_EXEEXT

dnl These are available to append to as desired.
sim_link_files=
sim_link_links=

dnl Create tconfig.h either from simulator's tconfig.in or default one
dnl in common.
sim_link_links=tconfig.h
if test -f ${srcdir}/tconfig.in
then
  sim_link_files=tconfig.in
else
  sim_link_files=../common/tconfig.in
fi

# targ-vals.def points to the libc macro description file.
case "${target}" in
*-*-*) TARG_VALS_DEF=../common/nltvals.def ;;
esac
sim_link_files="${sim_link_files} ${TARG_VALS_DEF}"
sim_link_links="${sim_link_links} targ-vals.def"

]) dnl End of SIM_AC_COMMON


dnl Additional SIM options that can (optionally) be configured
dnl For optional simulator options, a macro SIM_AC_OPTION_* is defined.
dnl Simulators that wish to use the relevant option specify the macro
dnl in the simulator specific configure.in file between the SIM_AC_COMMON
dnl and SIM_AC_OUTPUT lines.


dnl Specify the running environment.
dnl If the simulator invokes this in its configure.in then without this option
dnl the default is the user environment and all are runtime selectable.
dnl If the simulator doesn't invoke this, only the user environment is
dnl supported.
dnl ??? Until there is demonstrable value in doing something more complicated,
dnl let's not.
AC_DEFUN(SIM_AC_OPTION_ENVIRONMENT,
[
AC_ARG_ENABLE(sim-environment,
[  --enable-sim-environment=environment	Specify mixed, user, virtual or operating environment.],
[case "${enableval}" in
  all | ALL)             sim_environment="-DWITH_ENVIRONMENT=ALL_ENVIRONMENT";;
  user | USER)           sim_environment="-DWITH_ENVIRONMENT=USER_ENVIRONMENT";;
  virtual | VIRTUAL)     sim_environment="-DWITH_ENVIRONMENT=VIRTUAL_ENVIRONMENT";;
  operating | OPERATING) sim_environment="-DWITH_ENVIRONMENT=OPERATING_ENVIRONMENT";;
  *)   AC_MSG_ERROR("Unknown value $enableval passed to --enable-sim-environment");
       sim_environment="";;
esac
if test x"$silent" != x"yes" && test x"$sim_environment" != x""; then
  echo "Setting sim environment = $sim_environment" 6>&1
fi],
[sim_environment="-DWITH_ENVIRONMENT=ALL_ENVIRONMENT"])dnl
])
AC_SUBST(sim_environment)


dnl Specify the alignment restrictions of the target architecture.
dnl Without this option all possible alignment restrictions are accommodated.
dnl arg[1] is hardwired target alignment
dnl arg[2] is default target alignment
AC_DEFUN(SIM_AC_OPTION_ALIGNMENT,
wire_alignment="[$1]"
default_alignment="[$2]"
[
AC_ARG_ENABLE(sim-alignment,
[  --enable-sim-alignment=align		Specify strict,  nonstrict or forced alignment of memory accesses.],
[case "${enableval}" in
  strict | STRICT)       sim_alignment="-DWITH_ALIGNMENT=STRICT_ALIGNMENT";;
  nonstrict | NONSTRICT) sim_alignment="-DWITH_ALIGNMENT=NONSTRICT_ALIGNMENT";;
  forced | FORCED)       sim_alignment="-DWITH_ALIGNMENT=FORCED_ALIGNMENT";;
  yes) if test x"$wire_alignment" != x; then
	 sim_alignment="-DWITH_ALIGNMENT=${wire_alignment}"
       else
         if test x"$default_alignment" != x; then
           sim_alignment="-DWITH_ALIGNMENT=${default_alignment}"
         else
	   echo "No hard-wired alignment for target $target" 1>&6
	   sim_alignment="-DWITH_ALIGNMENT=0"
         fi
       fi;;
  no)  if test x"$default_alignment" != x; then
	 sim_alignment="-DWITH_DEFAULT_ALIGNMENT=${default_alignment}"
       else
         if test x"$wire_alignment" != x; then
	   sim_alignment="-DWITH_DEFAULT_ALIGNMENT=${wire_alignment}"
         else
           echo "No default alignment for target $target" 1>&6
           sim_alignment="-DWITH_DEFAULT_ALIGNMENT=0"
         fi
       fi;;
  *)   AC_MSG_ERROR("Unknown value $enableval passed to --enable-sim-alignment"); sim_alignment="";;
esac
if test x"$silent" != x"yes" && test x"$sim_alignment" != x""; then
  echo "Setting alignment flags = $sim_alignment" 6>&1
fi],
[if test x"$default_alignment" != x; then
  sim_alignment="-DWITH_DEFAULT_ALIGNMENT=${default_alignment}"
else
  if test x"$wire_alignment" != x; then
    sim_alignment="-DWITH_ALIGNMENT=${wire_alignment}"
  else
    sim_alignment=
  fi
fi])dnl
])dnl
AC_SUBST(sim_alignment)


dnl Conditionally compile in assertion statements.
AC_DEFUN(SIM_AC_OPTION_ASSERT,
[
AC_ARG_ENABLE(sim-assert,
[  --enable-sim-assert			Specify whether to perform random assertions.],
[case "${enableval}" in
  yes)	sim_assert="-DWITH_ASSERT=1";;
  no)	sim_assert="-DWITH_ASSERT=0";;
  *)	AC_MSG_ERROR("--enable-sim-assert does not take a value"); sim_assert="";;
esac
if test x"$silent" != x"yes" && test x"$sim_assert" != x""; then
  echo "Setting assert flags = $sim_assert" 6>&1
fi],[sim_assert=""])dnl
])
AC_SUBST(sim_assert)



dnl --enable-sim-bitsize is for developers of the simulator
dnl It specifies the number of BITS in the target.
dnl arg[1] is the number of bits in a word
dnl arg[2] is the number assigned to the most significant bit
dnl arg[3] is the number of bits in an address
dnl arg[4] is the number of bits in an OpenFirmware cell.
dnl FIXME: this information should be obtained from bfd/archure
AC_DEFUN(SIM_AC_OPTION_BITSIZE,
wire_word_bitsize="[$1]"
wire_word_msb="[$2]"
wire_address_bitsize="[$3]"
wire_cell_bitsize="[$4]"
[AC_ARG_ENABLE(sim-bitsize,
[  --enable-sim-bitsize=N		Specify target bitsize (32 or 64).],
[sim_bitsize=
case "${enableval}" in
  64,63 | 64,63,* ) sim_bitsize="-DWITH_TARGET_WORD_BITSIZE=64 -DWITH_TARGET_WORD_MSB=63";;
  32,31 | 32,31,* ) sim_bitsize="-DWITH_TARGET_WORD_BITSIZE=32 -DWITH_TARGET_WORD_MSB=31";;
  64,0 | 64,0,* ) sim_bitsize="-DWITH_TARGET_WORD_BITSIZE=32 -DWITH_TARGET_WORD_MSB=0";;
  32,0 | 64,0,* ) sim_bitsize="-DWITH_TARGET_WORD_BITSIZE=32 -DWITH_TARGET_WORD_MSB=0";;
  32) if test x"$wire_word_msb" != x -a x"$wire_word_msb" != x0; then
        sim_bitsize="-DWITH_TARGET_WORD_BITSIZE=32 -DWITH_TARGET_WORD_MSB=31"
      else
        sim_bitsize="-DWITH_TARGET_WORD_BITSIZE=32 -DWITH_TARGET_WORD_MSB=0"
      fi ;;
  64) if test x"$wire_word_msb" != x -a x"$wire_word_msb" != x0; then
        sim_bitsize="-DWITH_TARGET_WORD_BITSIZE=64 -DWITH_TARGET_WORD_MSB=63"
      else
        sim_bitsize="-DWITH_TARGET_WORD_BITSIZE=64 -DWITH_TARGET_WORD_MSB=0"
      fi ;;
  *)  AC_MSG_ERROR("--enable-sim-bitsize was given $enableval.  Expected 32 or 64") ;;
esac
# address bitsize
tmp=`echo "${enableval}" | sed -e "s/^[[0-9]]*,*[[0-9]]*,*//"`
case x"${tmp}" in
  x ) ;;
  x32 | x32,* ) sim_bitsize="${sim_bitsize} -DWITH_TARGET_ADDRESS_BITSIZE=32" ;;
  x64 | x64,* ) sim_bitsize="${sim_bitsize} -DWITH_TARGET_ADDRESS_BITSIZE=64" ;;
  * ) AC_MSG_ERROR("--enable-sim-bitsize was given address size $enableval.  Expected 32 or 64") ;;
esac
# cell bitsize
tmp=`echo "${enableval}" | sed -e "s/^[[0-9]]*,*[[0-9*]]*,*[[0-9]]*,*//"`
case x"${tmp}" in
  x ) ;;
  x32 | x32,* ) sim_bitsize="${sim_bitsize} -DWITH_TARGET_CELL_BITSIZE=32" ;;
  x64 | x64,* ) sim_bitsize="${sim_bitsize} -DWITH_TARGET_CELL_BITSIZE=64" ;;
  * ) AC_MSG_ERROR("--enable-sim-bitsize was given cell size $enableval.  Expected 32 or 64") ;;
esac
if test x"$silent" != x"yes" && test x"$sim_bitsize" != x""; then
  echo "Setting bitsize flags = $sim_bitsize" 6>&1
fi],
[sim_bitsize=""
if test x"$wire_word_bitsize" != x; then
  sim_bitsize="$sim_bitsize -DWITH_TARGET_WORD_BITSIZE=$wire_word_bitsize"
fi
if test x"$wire_word_msb" != x; then
  sim_bitsize="$sim_bitsize -DWITH_TARGET_WORD_MSB=$wire_word_msb"
fi
if test x"$wire_address_bitsize" != x; then
  sim_bitsize="$sim_bitsize -DWITH_TARGET_ADDRESS_BITSIZE=$wire_address_bitsize"
fi
if test x"$wire_cell_bitsize" != x; then
  sim_bitsize="$sim_bitsize -DWITH_TARGET_CELL_BITSIZE=$wire_cell_bitsize"
fi])dnl
])
AC_SUBST(sim_bitsize)



dnl --enable-sim-endian={yes,no,big,little} is for simulators
dnl that support both big and little endian targets.
dnl arg[1] is hardwired target endianness.
dnl arg[2] is default target endianness.
AC_DEFUN(SIM_AC_OPTION_ENDIAN,
[
wire_endian="[$1]"
default_endian="[$2]"
AC_ARG_ENABLE(sim-endian,
[  --enable-sim-endian=endian		Specify target byte endian orientation.],
[case "${enableval}" in
  b*|B*) sim_endian="-DWITH_TARGET_BYTE_ORDER=BIG_ENDIAN";;
  l*|L*) sim_endian="-DWITH_TARGET_BYTE_ORDER=LITTLE_ENDIAN";;
  yes)	 if test x"$wire_endian" != x; then
	   sim_endian="-DWITH_TARGET_BYTE_ORDER=${wire_endian}"
	 else
           if test x"$default_endian" != x; then
	     sim_endian="-DWITH_TARGET_BYTE_ORDER=${default_endian}"
	   else
	     echo "No hard-wired endian for target $target" 1>&6
	     sim_endian="-DWITH_TARGET_BYTE_ORDER=0"
	   fi
	 fi;;
  no)	 if test x"$default_endian" != x; then
	   sim_endian="-DWITH_DEFAULT_TARGET_BYTE_ORDER=${default_endian}"
	 else
	   if test x"$wire_endian" != x; then
	     sim_endian="-DWITH_DEFAULT_TARGET_BYTE_ORDER=${wire_endian}"
	   else
	     echo "No default endian for target $target" 1>&6
	     sim_endian="-DWITH_DEFAULT_TARGET_BYTE_ORDER=0"
	   fi
	 fi;;
  *)	 AC_MSG_ERROR("Unknown value $enableval for --enable-sim-endian"); sim_endian="";;
esac
if test x"$silent" != x"yes" && test x"$sim_endian" != x""; then
  echo "Setting endian flags = $sim_endian" 6>&1
fi],
[if test x"$default_endian" != x; then
  sim_endian="-DWITH_DEFAULT_TARGET_BYTE_ORDER=${default_endian}"
else
  if test x"$wire_endian" != x; then
    sim_endian="-DWITH_TARGET_BYTE_ORDER=${wire_endian}"
  else
    sim_endian=
  fi
fi])dnl
])
AC_SUBST(sim_endian)


dnl --enable-sim-hostendian is for users of the simulator when
dnl they find that AC_C_BIGENDIAN does not function correctly
dnl (for instance in a canadian cross)
AC_DEFUN(SIM_AC_OPTION_HOSTENDIAN,
[
AC_ARG_ENABLE(sim-hostendian,
[  --enable-sim-hostendian=end		Specify host byte endian orientation.],
[case "${enableval}" in
  no)	 sim_hostendian="-DWITH_HOST_BYTE_ORDER=0";;
  b*|B*) sim_hostendian="-DWITH_HOST_BYTE_ORDER=BIG_ENDIAN";;
  l*|L*) sim_hostendian="-DWITH_HOST_BYTE_ORDER=LITTLE_ENDIAN";;
  *)	 AC_MSG_ERROR("Unknown value $enableval for --enable-sim-hostendian"); sim_hostendian="";;
esac
if test x"$silent" != x"yes" && test x"$sim_hostendian" != x""; then
  echo "Setting hostendian flags = $sim_hostendian" 6>&1
fi],[
if test "x$cross_compiling" = "xno"; then
  AC_C_BIGENDIAN
  if test $ac_cv_c_bigendian = yes; then
    sim_hostendian="-DWITH_HOST_BYTE_ORDER=BIG_ENDIAN"
  else
    sim_hostendian="-DWITH_HOST_BYTE_ORDER=LITTLE_ENDIAN"
  fi
else
  sim_hostendian="-DWITH_HOST_BYTE_ORDER=0"
fi])dnl
])
AC_SUBST(sim_hostendian)


dnl --enable-sim-float is for developers of the simulator
dnl It specifies the presence of hardware floating point
dnl And optionally the bitsize of the floating point register.
dnl arg[1] specifies the presence (or absence) of floating point hardware
dnl arg[2] specifies the number of bits in a floating point register
AC_DEFUN(SIM_AC_OPTION_FLOAT,
[
default_sim_float="[$1]"
default_sim_float_bitsize="[$2]"
AC_ARG_ENABLE(sim-float,
[  --enable-sim-float			Specify that the target processor has floating point hardware.],
[case "${enableval}" in
  yes | hard)	sim_float="-DWITH_FLOATING_POINT=HARD_FLOATING_POINT";;
  no | soft)	sim_float="-DWITH_FLOATING_POINT=SOFT_FLOATING_POINT";;
  32)           sim_float="-DWITH_FLOATING_POINT=HARD_FLOATING_POINT -DWITH_TARGET_FLOATING_POINT_BITSIZE=32";;
  64)           sim_float="-DWITH_FLOATING_POINT=HARD_FLOATING_POINT -DWITH_TARGET_FLOATING_POINT_BITSIZE=64";;
  *)		AC_MSG_ERROR("Unknown value $enableval passed to --enable-sim-float"); sim_float="";;
esac
if test x"$silent" != x"yes" && test x"$sim_float" != x""; then
  echo "Setting float flags = $sim_float" 6>&1
fi],[
sim_float=
if test x"${default_sim_float}" != x""; then
  sim_float="-DWITH_FLOATING_POINT=${default_sim_float}"
fi
if test x"${default_sim_float_bitsize}" != x""; then
  sim_float="$sim_float -DWITH_TARGET_FLOATING_POINT_BITSIZE=${default_sim_float_bitsize}"
fi
])dnl
])
AC_SUBST(sim_float)


dnl The argument is the default cache size if none is specified.
AC_DEFUN(SIM_AC_OPTION_SCACHE,
[
default_sim_scache="ifelse([$1],,0,[$1])"
AC_ARG_ENABLE(sim-scache,
[  --enable-sim-scache=size		Specify simulator execution cache size.],
[case "${enableval}" in
  yes)	sim_scache="-DWITH_SCACHE=${default_sim_scache}";;
  no)	sim_scache="-DWITH_SCACHE=0" ;;
  [[0-9]]*) sim_scache="-DWITH_SCACHE=${enableval}";;
  *)	AC_MSG_ERROR("Bad value $enableval passed to --enable-sim-scache");
	sim_scache="";;
esac
if test x"$silent" != x"yes" && test x"$sim_scache" != x""; then
  echo "Setting scache size = $sim_scache" 6>&1
fi],[sim_scache="-DWITH_SCACHE=${default_sim_scache}"])
])
AC_SUBST(sim_scache)


dnl The argument is the default model if none is specified.
AC_DEFUN(SIM_AC_OPTION_DEFAULT_MODEL,
[
default_sim_default_model="ifelse([$1],,0,[$1])"
AC_ARG_ENABLE(sim-default-model,
[  --enable-sim-default-model=model	Specify default model to simulate.],
[case "${enableval}" in
  yes|no) AC_MSG_ERROR("Missing argument to --enable-sim-default-model");;
  *)	sim_default_model="-DWITH_DEFAULT_MODEL='\"${enableval}\"'";;
esac
if test x"$silent" != x"yes" && test x"$sim_default_model" != x""; then
  echo "Setting default model = $sim_default_model" 6>&1
fi],[sim_default_model="-DWITH_DEFAULT_MODEL='\"${default_sim_default_model}\"'"])
])
AC_SUBST(sim_default_model)


dnl --enable-sim-hardware is for users of the simulator
dnl arg[1] Enable sim-hw by default? ("yes" or "no")
dnl arg[2] is a space separated list of devices that override the defaults
dnl arg[3] is a space separated list of extra target specific devices.
AC_DEFUN(SIM_AC_OPTION_HARDWARE,
[
if test x"[$1]" = x"yes"; then
  sim_hw_p=yes
else
  sim_hw_p=no
fi
if test "[$2]"; then
  hardware="core pal glue"
else
  hardware="core pal glue [$3]"
fi
sim_hw_cflags="-DWITH_HW=1"
sim_hw="$hardware"
sim_hw_objs="\$(SIM_COMMON_HW_OBJS) `echo $sim_hw | sed -e 's/\([[^ ]][[^ ]]*\)/dv-\1.o/g'`"
AC_ARG_ENABLE(sim-hardware,
[  --enable-sim-hardware=LIST		Specify the hardware to be included in the build.],
[
case "${enableval}" in
  yes)	sim_hw_p=yes;;
  no)	sim_hw_p=no;;
  ,*)   sim_hw_p=yes; hardware="${hardware} `echo ${enableval} | sed -e 's/,/ /'`";;
  *,)   sim_hw_p=yes; hardware="`echo ${enableval} | sed -e 's/,/ /'` ${hardware}";;
  *)	sim_hw_p=yes; hardware="`echo ${enableval} | sed -e 's/,/ /'`"'';;
esac
if test "$sim_hw_p" != yes; then
  sim_hw_objs=
  sim_hw_cflags="-DWITH_HW=0"
  sim_hw=
else
  sim_hw_cflags="-DWITH_HW=1"
  # remove duplicates
  sim_hw=""
  sim_hw_objs="\$(SIM_COMMON_HW_OBJS)"
  for i in x $hardware ; do
    case " $f " in
      x) ;;
      *" $i "*) ;;
      *) sim_hw="$sim_hw $i" ; sim_hw_objs="$sim_hw_objs dv-$i.o";;
    esac
  done
fi
if test x"$silent" != x"yes" && test "$sim_hw_p" = "yes"; then
  echo "Setting hardware to $sim_hw_cflags, $sim_hw, $sim_hw_objs"
fi],[
if test "$sim_hw_p" != yes; then
  sim_hw_objs=
  sim_hw_cflags="-DWITH_HW=0"
  sim_hw=
fi
if test x"$silent" != x"yes"; then
  echo "Setting hardware to $sim_hw_cflags, $sim_hw, $sim_hw_objs"
fi])dnl
])
AC_SUBST(sim_hw_cflags)
AC_SUBST(sim_hw_objs)
AC_SUBST(sim_hw)


dnl --enable-sim-inline is for users that wish to ramp up the simulator's
dnl performance by inlining functions.
dnl Guarantee that unconfigured simulators do not do any inlining
sim_inline="-DDEFAULT_INLINE=0"
AC_DEFUN(SIM_AC_OPTION_INLINE,
[
default_sim_inline="ifelse([$1],,,-DDEFAULT_INLINE=[$1])"
AC_ARG_ENABLE(sim-inline,
[  --enable-sim-inline=inlines		Specify which functions should be inlined.],
[sim_inline=""
case "$enableval" in
  no)		sim_inline="-DDEFAULT_INLINE=0";;
  0)		sim_inline="-DDEFAULT_INLINE=0";;
  yes | 2)	sim_inline="-DDEFAULT_INLINE=ALL_C_INLINE";;
  1)		sim_inline="-DDEFAULT_INLINE=INLINE_LOCALS";;
  *) for x in `echo "$enableval" | sed -e "s/,/ /g"`; do
       new_flag=""
       case "$x" in
	 *_INLINE=*)	new_flag="-D$x";;
	 *=*)		new_flag=`echo "$x" | sed -e "s/=/_INLINE=/" -e "s/^/-D/"`;;
	 *_INLINE)	new_flag="-D$x=ALL_C_INLINE";;
	 *)		new_flag="-D$x""_INLINE=ALL_C_INLINE";;
       esac
       if test x"$sim_inline" = x""; then
	 sim_inline="$new_flag"
       else
	 sim_inline="$sim_inline $new_flag"
       fi
     done;;
esac
if test x"$silent" != x"yes" && test x"$sim_inline" != x""; then
  echo "Setting inline flags = $sim_inline" 6>&1
fi],[
if test "x$cross_compiling" = "xno"; then
  if test x"$GCC" != "x" -a x"${default_sim_inline}" != "x" ; then
    sim_inline="${default_sim_inline}"
    if test x"$silent" != x"yes"; then
      echo "Setting inline flags = $sim_inline" 6>&1
    fi
  else
    sim_inline=""
  fi
else
  sim_inline="-DDEFAULT_INLINE=0"
fi])dnl
])
AC_SUBST(sim_inline)


AC_DEFUN(SIM_AC_OPTION_PACKAGES,
[
AC_ARG_ENABLE(sim-packages,
[  --enable-sim-packages=list		Specify the packages to be included in the build.],
[packages=disklabel
case "${enableval}" in
  yes)	;;
  no)	AC_MSG_ERROR("List of packages must be specified for --enable-sim-packages"); packages="";;
  ,*)   packages="${packages}${enableval}";;
  *,)   packages="${enableval}${packages}";;
  *)	packages="${enableval}"'';;
esac
sim_pk_src=`echo $packages | sed -e 's/,/.c pk_/g' -e 's/^/pk_/' -e 's/$/.c/'`
sim_pk_obj=`echo $sim_pk_src | sed -e 's/\.c/.o/g'`
if test x"$silent" != x"yes" && test x"$packages" != x""; then
  echo "Setting packages to $sim_pk_src, $sim_pk_obj"
fi],[packages=disklabel
sim_pk_src=`echo $packages | sed -e 's/,/.c pk_/g' -e 's/^/pk_/' -e 's/$/.c/'`
sim_pk_obj=`echo $sim_pk_src | sed -e 's/\.c/.o/g'`
if test x"$silent" != x"yes"; then
  echo "Setting packages to $sim_pk_src, $sim_pk_obj"
fi])dnl
])
AC_SUBST(sim_packages)


AC_DEFUN(SIM_AC_OPTION_REGPARM,
[
AC_ARG_ENABLE(sim-regparm,
[  --enable-sim-regparm=nr-parm		Pass parameters in registers instead of on the stack - x86/GCC specific.],
[case "${enableval}" in
  0*|1*|2*|3*|4*|5*|6*|7*|8*|9*) sim_regparm="-DWITH_REGPARM=${enableval}";;
  no)                            sim_regparm="" ;;
  yes)                           sim_regparm="-DWITH_REGPARM=3";;
  *)   AC_MSG_ERROR("Unknown value $enableval for --enable-sim-regparm"); sim_regparm="";;
esac
if test x"$silent" != x"yes" && test x"$sim_regparm" != x""; then
  echo "Setting regparm flags = $sim_regparm" 6>&1
fi],[sim_regparm=""])dnl
])
AC_SUBST(sim_regparm)


AC_DEFUN(SIM_AC_OPTION_RESERVED_BITS,
[
default_sim_reserved_bits="ifelse([$1],,1,[$1])"
AC_ARG_ENABLE(sim-reserved-bits,
[  --enable-sim-reserved-bits		Specify whether to check reserved bits in instruction.],
[case "${enableval}" in
  yes)	sim_reserved_bits="-DWITH_RESERVED_BITS=1";;
  no)	sim_reserved_bits="-DWITH_RESERVED_BITS=0";;
  *)	AC_MSG_ERROR("--enable-sim-reserved-bits does not take a value"); sim_reserved_bits="";;
esac
if test x"$silent" != x"yes" && test x"$sim_reserved_bits" != x""; then
  echo "Setting reserved flags = $sim_reserved_bits" 6>&1
fi],[sim_reserved_bits="-DWITH_RESERVED_BITS=${default_sim_reserved_bits}"])dnl
])
AC_SUBST(sim_reserved_bits)


AC_DEFUN(SIM_AC_OPTION_SMP,
[
default_sim_smp="ifelse([$1],,5,[$1])"
AC_ARG_ENABLE(sim-smp,
[  --enable-sim-smp=n			Specify number of processors to configure for (default ${default_sim_smp}).],
[case "${enableval}" in
  yes)	sim_smp="-DWITH_SMP=5" ; sim_igen_smp="-N 5";;
  no)	sim_smp="-DWITH_SMP=0" ; sim_igen_smp="-N 0";;
  *)	sim_smp="-DWITH_SMP=$enableval" ; sim_igen_smp="-N $enableval";;
esac
if test x"$silent" != x"yes" && test x"$sim_smp" != x""; then
  echo "Setting smp flags = $sim_smp" 6>&1
fi],[sim_smp="-DWITH_SMP=${default_sim_smp}" ; sim_igen_smp="-N ${default_sim_smp}"
if test x"$silent" != x"yes"; then
  echo "Setting smp flags = $sim_smp" 6>&1
fi])dnl
])
AC_SUBST(sim_smp)


AC_DEFUN(SIM_AC_OPTION_STDCALL,
[
AC_ARG_ENABLE(sim-stdcall,
[  --enable-sim-stdcall=type		Use an alternative function call/return mechanism - x86/GCC specific.],
[case "${enableval}" in
  no)		sim_stdcall="" ;;
  std*)		sim_stdcall="-DWITH_STDCALL=1";;
  yes)		sim_stdcall="-DWITH_STDCALL=1";;
  *)   AC_MSG_ERROR("Unknown value $enableval for --enable-sim-stdcall"); sim_stdcall="";;
esac
if test x"$silent" != x"yes" && test x"$sim_stdcall" != x""; then
  echo "Setting function call flags = $sim_stdcall" 6>&1
fi],[sim_stdcall=""])dnl
])
AC_SUBST(sim_stdcall)


AC_DEFUN(SIM_AC_OPTION_XOR_ENDIAN,
[
default_sim_xor_endian="ifelse([$1],,8,[$1])"
AC_ARG_ENABLE(sim-xor-endian,
[  --enable-sim-xor-endian=n		Specify number bytes involved in XOR bi-endian mode (default ${default_sim_xor_endian}).],
[case "${enableval}" in
  yes)	sim_xor_endian="-DWITH_XOR_ENDIAN=8";;
  no)	sim_xor_endian="-DWITH_XOR_ENDIAN=0";;
  *)	sim_xor_endian="-DWITH_XOR_ENDIAN=$enableval";;
esac
if test x"$silent" != x"yes" && test x"$sim_xor_endian" != x""; then
  echo "Setting xor-endian flag = $sim_xor_endian" 6>&1
fi],[sim_xor_endian="-DWITH_XOR_ENDIAN=${default_sim_xor_endian}"])dnl
])
AC_SUBST(sim_xor_endian)


dnl --enable-build-warnings is for developers of the simulator.
dnl it enables extra GCC specific warnings.
AC_DEFUN(SIM_AC_OPTION_WARNINGS,
[
# NOTE: Don't add -Wall or -Wunused, they both include
# -Wunused-parameter which reports bogus warnings.
# NOTE: If you add to this list, remember to update
# gdb/doc/gdbint.texinfo.
build_warnings="-Wimplicit -Wreturn-type -Wcomment -Wtrigraphs \
-Wformat -Wparentheses -Wpointer-arith -Wuninitialized"
# Up for debate: -Wswitch -Wcomment -trigraphs -Wtrigraphs
# -Wunused-function -Wunused-label -Wunused-variable -Wunused-value
# -Wchar-subscripts -Wtraditional -Wshadow -Wcast-qual
# -Wcast-align -Wwrite-strings -Wconversion -Wstrict-prototypes
# -Wmissing-prototypes -Wmissing-declarations -Wredundant-decls
# -Woverloaded-virtual -Winline -Werror"
AC_ARG_ENABLE(build-warnings,
[  --enable-build-warnings Enable build-time compiler warnings if gcc is used],
[case "${enableval}" in
  yes)	;;
  no)	build_warnings="-w";;
  ,*)   t=`echo "${enableval}" | sed -e "s/,/ /g"`
        build_warnings="${build_warnings} ${t}";;
  *,)   t=`echo "${enableval}" | sed -e "s/,/ /g"`
        build_warnings="${t} ${build_warnings}";;
  *)    build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
esac
if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
  echo "Setting compiler warning flags = $build_warnings" 6>&1
fi])dnl
AC_ARG_ENABLE(sim-build-warnings,
[  --enable-gdb-build-warnings Enable SIM specific build-time compiler warnings if gcc is used],
[case "${enableval}" in
  yes)	;;
  no)	build_warnings="-w";;
  ,*)   t=`echo "${enableval}" | sed -e "s/,/ /g"`
        build_warnings="${build_warnings} ${t}";;
  *,)   t=`echo "${enableval}" | sed -e "s/,/ /g"`
        build_warnings="${t} ${build_warnings}";;
  *)    build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
esac
if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
  echo "Setting GDB specific compiler warning flags = $build_warnings" 6>&1
fi])dnl
WARN_CFLAGS=""
WERROR_CFLAGS=""
if test "x${build_warnings}" != x -a "x$GCC" = xyes
then
    AC_MSG_CHECKING(compiler warning flags)
    # Separate out the -Werror flag as some files just cannot be
    # compiled with it enabled.
    for w in ${build_warnings}; do
	case $w in
	-Werr*) WERROR_CFLAGS=-Werror ;;
	*) # Check that GCC accepts it
	    saved_CFLAGS="$CFLAGS"
	    CFLAGS="$CFLAGS $w"
	    AC_TRY_COMPILE([],[],WARN_CFLAGS="${WARN_CFLAGS} $w",)
	    CFLAGS="$saved_CFLAGS"
	esac
    done
    AC_MSG_RESULT(${WARN_CFLAGS}${WERROR_CFLAGS})
fi
])
AC_SUBST(WARN_CFLAGS)
AC_SUBST(WERROR_CFLAGS)


dnl Generate the Makefile in a target specific directory.
dnl Substitutions aren't performed on the file in AC_SUBST_FILE,
dnl so this is a cover macro to tuck the details away of how we cope.
dnl We cope by having autoconf generate two files and then merge them into
dnl one afterwards.  The two pieces of the common fragment are inserted into
dnl the target's fragment at the appropriate points.

AC_DEFUN(SIM_AC_OUTPUT,
[
AC_LINK_FILES($sim_link_files, $sim_link_links)
AC_OUTPUT(Makefile.sim:Makefile.in Make-common.sim:../common/Make-common.in .gdbinit:../common/gdbinit.in,
[case "x$CONFIG_FILES" in
 xMakefile*)
   echo "Merging Makefile.sim+Make-common.sim into Makefile ..."
   rm -f Makesim1.tmp Makesim2.tmp Makefile
   sed -n -e '/^## COMMON_PRE_/,/^## End COMMON_PRE_/ p' <Make-common.sim >Makesim1.tmp
   sed -n -e '/^## COMMON_POST_/,/^## End COMMON_POST_/ p' <Make-common.sim >Makesim2.tmp
   sed -e '/^## COMMON_PRE_/ r Makesim1.tmp' \
	-e '/^## COMMON_POST_/ r Makesim2.tmp' \
	<Makefile.sim >Makefile
   rm -f Makefile.sim Make-common.sim Makesim1.tmp Makesim2.tmp
   ;;
 esac
 case "x$CONFIG_HEADERS" in xconfig.h:config.in) echo > stamp-h ;; esac
])
])

# This file is derived from `gettext.m4'.  The difference is that the
# included macros assume Cygnus-style source and build trees.

# Macro to add for using GNU gettext.
# Ulrich Drepper <drepper@cygnus.com>, 1995.
#
# This file file be copied and used freely without restrictions.  It can
# be used in projects which are not available under the GNU Public License
# but which still want to provide support for the GNU gettext functionality.
# Please note that the actual code is *not* freely available.

# serial 3

AC_DEFUN(CY_WITH_NLS,
  [AC_MSG_CHECKING([whether NLS is requested])
    dnl Default is enabled NLS
    AC_ARG_ENABLE(nls,
      [  --disable-nls           do not use Native Language Support],
      USE_NLS=$enableval, USE_NLS=yes)
    AC_MSG_RESULT($USE_NLS)
    AC_SUBST(USE_NLS)

    USE_INCLUDED_LIBINTL=no

    dnl If we use NLS figure out what method
    if test "$USE_NLS" = "yes"; then
      AC_DEFINE(ENABLE_NLS)
      AC_MSG_CHECKING([whether included gettext is requested])
      AC_ARG_WITH(included-gettext,
        [  --with-included-gettext use the GNU gettext library included here],
        nls_cv_force_use_gnu_gettext=$withval,
        nls_cv_force_use_gnu_gettext=no)
      AC_MSG_RESULT($nls_cv_force_use_gnu_gettext)

      nls_cv_use_gnu_gettext="$nls_cv_force_use_gnu_gettext"
      if test "$nls_cv_force_use_gnu_gettext" != "yes"; then
        dnl User does not insist on using GNU NLS library.  Figure out what
        dnl to use.  If gettext or catgets are available (in this order) we
        dnl use this.  Else we have to fall back to GNU NLS library.
	dnl catgets is only used if permitted by option --with-catgets.
	nls_cv_header_intl=
	nls_cv_header_libgt=
	CATOBJEXT=NONE

	AC_CHECK_HEADER(libintl.h,
	  [AC_CACHE_CHECK([for gettext in libc], gt_cv_func_gettext_libc,
	    [AC_TRY_LINK([#include <libintl.h>], [return (int) gettext ("")],
	       gt_cv_func_gettext_libc=yes, gt_cv_func_gettext_libc=no)])

	   if test "$gt_cv_func_gettext_libc" != "yes"; then
	     AC_CHECK_LIB(intl, bindtextdomain,
	       [AC_CACHE_CHECK([for gettext in libintl],
		 gt_cv_func_gettext_libintl,
		 [AC_TRY_LINK([], [return (int) gettext ("")],
		 gt_cv_func_gettext_libintl=yes,
		 gt_cv_func_gettext_libintl=no)])])
	   fi

	   if test "$gt_cv_func_gettext_libc" = "yes" \
	      || test "$gt_cv_func_gettext_libintl" = "yes"; then
	      AC_DEFINE(HAVE_GETTEXT)
	      AM_PATH_PROG_WITH_TEST(MSGFMT, msgfmt,
		[test -z "`$ac_dir/$ac_word -h 2>&1 | grep 'dv '`"], no)dnl
	      if test "$MSGFMT" != "no"; then
		AC_CHECK_FUNCS(dcgettext)
		AC_PATH_PROG(GMSGFMT, gmsgfmt, $MSGFMT)
		AM_PATH_PROG_WITH_TEST(XGETTEXT, xgettext,
		  [test -z "`$ac_dir/$ac_word -h 2>&1 | grep '(HELP)'`"], :)
		AC_TRY_LINK(, [extern int _nl_msg_cat_cntr;
			       return _nl_msg_cat_cntr],
		  [CATOBJEXT=.gmo
		   DATADIRNAME=share],
		  [CATOBJEXT=.mo
		   DATADIRNAME=lib])
		INSTOBJEXT=.mo
	      fi
	    fi
	])

	dnl In the standard gettext, we would now check for catgets.
        dnl However, we never want to use catgets for our releases.

        if test "$CATOBJEXT" = "NONE"; then
	  dnl Neither gettext nor catgets in included in the C library.
	  dnl Fall back on GNU gettext library.
	  nls_cv_use_gnu_gettext=yes
        fi
      fi

      if test "$nls_cv_use_gnu_gettext" = "yes"; then
        dnl Mark actions used to generate GNU NLS library.
        INTLOBJS="\$(GETTOBJS)"
        AM_PATH_PROG_WITH_TEST(MSGFMT, msgfmt,
	  [test -z "`$ac_dir/$ac_word -h 2>&1 | grep 'dv '`"], msgfmt)
        AC_PATH_PROG(GMSGFMT, gmsgfmt, $MSGFMT)
        AM_PATH_PROG_WITH_TEST(XGETTEXT, xgettext,
	  [test -z "`$ac_dir/$ac_word -h 2>&1 | grep '(HELP)'`"], :)
        AC_SUBST(MSGFMT)
	USE_INCLUDED_LIBINTL=yes
        CATOBJEXT=.gmo
        INSTOBJEXT=.mo
        DATADIRNAME=share
	INTLDEPS='$(top_builddir)/../intl/libintl.a'
	INTLLIBS=$INTLDEPS
	LIBS=`echo $LIBS | sed -e 's/-lintl//'`
        nls_cv_header_intl=libintl.h
        nls_cv_header_libgt=libgettext.h
      fi

      dnl Test whether we really found GNU xgettext.
      if test "$XGETTEXT" != ":"; then
	dnl If it is no GNU xgettext we define it as : so that the
	dnl Makefiles still can work.
	if $XGETTEXT --omit-header /dev/null 2> /dev/null; then
	  : ;
	else
	  AC_MSG_RESULT(
	    [found xgettext programs is not GNU xgettext; ignore it])
	  XGETTEXT=":"
	fi
      fi

      # We need to process the po/ directory.
      POSUB=po
    else
      DATADIRNAME=share
      nls_cv_header_intl=libintl.h
      nls_cv_header_libgt=libgettext.h
    fi

    # If this is used in GNU gettext we have to set USE_NLS to `yes'
    # because some of the sources are only built for this goal.
    if test "$PACKAGE" = gettext; then
      USE_NLS=yes
      USE_INCLUDED_LIBINTL=yes
    fi

    dnl These rules are solely for the distribution goal.  While doing this
    dnl we only have to keep exactly one list of the available catalogs
    dnl in configure.in.
    for lang in $ALL_LINGUAS; do
      GMOFILES="$GMOFILES $lang.gmo"
      POFILES="$POFILES $lang.po"
    done

    dnl Make all variables we use known to autoconf.
    AC_SUBST(USE_INCLUDED_LIBINTL)
    AC_SUBST(CATALOGS)
    AC_SUBST(CATOBJEXT)
    AC_SUBST(DATADIRNAME)
    AC_SUBST(GMOFILES)
    AC_SUBST(INSTOBJEXT)
    AC_SUBST(INTLDEPS)
    AC_SUBST(INTLLIBS)
    AC_SUBST(INTLOBJS)
    AC_SUBST(POFILES)
    AC_SUBST(POSUB)
  ])

AC_DEFUN(CY_GNU_GETTEXT,
  [AC_REQUIRE([AC_PROG_MAKE_SET])dnl
   AC_REQUIRE([AC_PROG_CC])dnl
   AC_REQUIRE([AC_PROG_RANLIB])dnl
   AC_REQUIRE([AC_ISC_POSIX])dnl
   AC_REQUIRE([AC_HEADER_STDC])dnl
   AC_REQUIRE([AC_C_CONST])dnl
   AC_REQUIRE([AC_C_INLINE])dnl
   AC_REQUIRE([AC_TYPE_OFF_T])dnl
   AC_REQUIRE([AC_TYPE_SIZE_T])dnl
   AC_REQUIRE([AC_FUNC_ALLOCA])dnl
   AC_REQUIRE([AC_FUNC_MMAP])dnl

   AC_CHECK_HEADERS([argz.h limits.h locale.h nl_types.h malloc.h string.h \
unistd.h values.h sys/param.h])
   AC_CHECK_FUNCS([getcwd munmap putenv setenv setlocale strchr strcasecmp \
__argz_count __argz_stringify __argz_next])

   if test "${ac_cv_func_stpcpy+set}" != "set"; then
     AC_CHECK_FUNCS(stpcpy)
   fi
   if test "${ac_cv_func_stpcpy}" = "yes"; then
     AC_DEFINE(HAVE_STPCPY)
   fi

   AM_LC_MESSAGES
   CY_WITH_NLS

   if test "x$CATOBJEXT" != "x"; then
     if test "x$ALL_LINGUAS" = "x"; then
       LINGUAS=
     else
       AC_MSG_CHECKING(for catalogs to be installed)
       NEW_LINGUAS=
       for lang in ${LINGUAS=$ALL_LINGUAS}; do
         case "$ALL_LINGUAS" in
          *$lang*) NEW_LINGUAS="$NEW_LINGUAS $lang" ;;
         esac
       done
       LINGUAS=$NEW_LINGUAS
       AC_MSG_RESULT($LINGUAS)
     fi

     dnl Construct list of names of catalog files to be constructed.
     if test -n "$LINGUAS"; then
       for lang in $LINGUAS; do CATALOGS="$CATALOGS $lang$CATOBJEXT"; done
     fi
   fi

   dnl The reference to <locale.h> in the installed <libintl.h> file
   dnl must be resolved because we cannot expect the users of this
   dnl to define HAVE_LOCALE_H.
   if test $ac_cv_header_locale_h = yes; then
     INCLUDE_LOCALE_H="#include <locale.h>"
   else
     INCLUDE_LOCALE_H="\
/* The system does not provide the header <locale.h>.  Take care yourself.  */"
   fi
   AC_SUBST(INCLUDE_LOCALE_H)

   dnl Determine which catalog format we have (if any is needed)
   dnl For now we know about two different formats:
   dnl   Linux libc-5 and the normal X/Open format
   if test -f $srcdir/po2tbl.sed.in; then
      if test "$CATOBJEXT" = ".cat"; then
	 AC_CHECK_HEADER(linux/version.h, msgformat=linux, msgformat=xopen)

	 dnl Transform the SED scripts while copying because some dumb SEDs
         dnl cannot handle comments.
	 sed -e '/^#/d' $srcdir/$msgformat-msg.sed > po2msg.sed
      fi
      dnl po2tbl.sed is always needed.
      sed -e '/^#.*[^\\]$/d' -e '/^#$/d' \
	 $srcdir/po2tbl.sed.in > po2tbl.sed
   fi

   dnl In the intl/Makefile.in we have a special dependency which makes
   dnl only sense for gettext.  We comment this out for non-gettext
   dnl packages.
   if test "$PACKAGE" = "gettext"; then
     GT_NO="#NO#"
     GT_YES=
   else
     GT_NO=
     GT_YES="#YES#"
   fi
   AC_SUBST(GT_NO)
   AC_SUBST(GT_YES)

   MKINSTALLDIRS="\$(srcdir)/../../mkinstalldirs"
   AC_SUBST(MKINSTALLDIRS)

   dnl *** For now the libtool support in intl/Makefile is not for real.
   l=
   AC_SUBST(l)

   dnl Generate list of files to be processed by xgettext which will
   dnl be included in po/Makefile.  But only do this if the po directory
   dnl exists in srcdir.
   if test -d $srcdir/po; then
      test -d po || mkdir po
      if test "x$srcdir" != "x."; then
	 if test "x`echo $srcdir | sed 's@/.*@@'`" = "x"; then
	    posrcprefix="$srcdir/"
	 else
	    posrcprefix="../$srcdir/"
	 fi
      else
	 posrcprefix="../"
      fi
      rm -f po/POTFILES
      sed -e "/^#/d" -e "/^\$/d" -e "s,.*,	$posrcprefix& \\\\," -e "\$s/\(.*\) \\\\/\1/" \
	 < $srcdir/po/POTFILES.in > po/POTFILES
   fi
  ])

# Search path for a program which passes the given test.
# Ulrich Drepper <drepper@cygnus.com>, 1996.
#
# This file file be copied and used freely without restrictions.  It can
# be used in projects which are not available under the GNU Public License
# but which still want to provide support for the GNU gettext functionality.
# Please note that the actual code is *not* freely available.

# serial 1

dnl AM_PATH_PROG_WITH_TEST(VARIABLE, PROG-TO-CHECK-FOR,
dnl   TEST-PERFORMED-ON-FOUND_PROGRAM [, VALUE-IF-NOT-FOUND [, PATH]])
AC_DEFUN(AM_PATH_PROG_WITH_TEST,
[# Extract the first word of "$2", so it can be a program name with args.
set dummy $2; ac_word=[$]2
AC_MSG_CHECKING([for $ac_word])
AC_CACHE_VAL(ac_cv_path_$1,
[case "[$]$1" in
  /*)
  ac_cv_path_$1="[$]$1" # Let the user override the test with a path.
  ;;
  *)
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:"
  for ac_dir in ifelse([$5], , $PATH, [$5]); do
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$ac_word; then
      if [$3]; then
	ac_cv_path_$1="$ac_dir/$ac_word"
	break
      fi
    fi
  done
  IFS="$ac_save_ifs"
dnl If no 4th arg is given, leave the cache variable unset,
dnl so AC_PATH_PROGS will keep looking.
ifelse([$4], , , [  test -z "[$]ac_cv_path_$1" && ac_cv_path_$1="$4"
])dnl
  ;;
esac])dnl
$1="$ac_cv_path_$1"
if test -n "[$]$1"; then
  AC_MSG_RESULT([$]$1)
else
  AC_MSG_RESULT(no)
fi
AC_SUBST($1)dnl
])

# Check whether LC_MESSAGES is available in <locale.h>.
# Ulrich Drepper <drepper@cygnus.com>, 1995.
#
# This file file be copied and used freely without restrictions.  It can
# be used in projects which are not available under the GNU Public License
# but which still want to provide support for the GNU gettext functionality.
# Please note that the actual code is *not* freely available.

# serial 1

AC_DEFUN(AM_LC_MESSAGES,
  [if test $ac_cv_header_locale_h = yes; then
    AC_CACHE_CHECK([for LC_MESSAGES], am_cv_val_LC_MESSAGES,
      [AC_TRY_LINK([#include <locale.h>], [return LC_MESSAGES],
       am_cv_val_LC_MESSAGES=yes, am_cv_val_LC_MESSAGES=no)])
    if test $am_cv_val_LC_MESSAGES = yes; then
      AC_DEFINE(HAVE_LC_MESSAGES)
    fi
  fi])


dnl --enable-cgen-maint support
AC_DEFUN(SIM_AC_OPTION_CGEN_MAINT,
[
cgen_maint=no
dnl Default is to use one in build tree.
cgen=guile
cgendir='$(srcdir)/../../cgen'
dnl Having --enable-maintainer-mode take arguments is another way to go.
dnl ??? One can argue --with is more appropriate if one wants to specify
dnl a directory name, but what we're doing here is an enable/disable kind
dnl of thing and specifying both --enable and --with is klunky.
dnl If you reeely want this to be --with, go ahead and change it.
AC_ARG_ENABLE(cgen-maint,
[  --enable-cgen-maint[=DIR]    build cgen generated files],
[case "${enableval}" in
  yes)	cgen_maint=yes ;;
  no)	cgen_maint=no ;;
  *)
	# argument is cgen install directory (not implemented yet).
	# Having a `share' directory might be more appropriate for the .scm,
	# .cpu, etc. files.
	cgendir=${cgen_maint}/lib/cgen
	cgen=guile
	;;
esac])dnl
dnl AM_CONDITIONAL(CGEN_MAINT, test x${cgen_maint} != xno)
if test x${cgen_maint} != xno ; then
  CGEN_MAINT=''
else
  CGEN_MAINT='#'
fi
AC_SUBST(CGEN_MAINT)
AC_SUBST(cgendir)
AC_SUBST(cgen)
])
dnl FIXME: When upgrading to modern autoconf, remove
dnl        SIM_CHECK_MEMBER and SIM_CHECK_MEMBERS et al and use
dnl        AC_CHECK_MEMBERS from autoconf.
dnl
dnl Translated from a FC2 autoconf-2.59-3 installation.
dnl  AC_CHECK_MEMBER(AGGREGATE.MEMBER,
dnl                  [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND],
dnl                  [INCLUDES])
dnl
dnl  ---------------------------------------------------------
dnl  AGGREGATE.MEMBER is for instance `struct passwd.pw_gecos', shell
dnl  variables are not a valid argument.
AC_DEFUN([SIM_CHECK_MEMBER],
dnl Extract the aggregate name, and the member name
[AC_CACHE_CHECK([for $1], [ac_]patsubst([$1], [[\. ]], [_]),
[ac_]patsubst([$1], [[\. ]], [_])[=no;]
AC_TRY_COMPILE([$4],[
dnl AGGREGATE ac_aggr;
static ]patsubst([$1], [\..*])[ ac_aggr;
dnl ac_aggr.MEMBER;
if (ac_aggr.]patsubst([$1], [^[^.]*\.])[)
return 0;],[ac_]patsubst([$1], [[\. ]], [_])[=yes;],
AC_TRY_COMPILE([$4],[
dnl AGGREGATE ac_aggr;
static ]patsubst([$1], [\..*])[ ac_aggr;
dnl ac_aggr.MEMBER;
if (sizeof ac_aggr.]patsubst([$1], [^[^.]*\.])[)
return 0;],
[ac_]patsubst([$1], [[\. ]], [_])[=yes;],
[ac_]patsubst([$1], [[\. ]], [_])[=no;]))
[if test [$]ac_]patsubst([$1], [[\. ]], [_])[ = yes; then :; [$2]
else :; [$3]
fi])
])dnl SIM_CHECK_MEMBER
dnl
dnl Translated from a FC2 autoconf-2.59-3 installation.
dnl  SIM_CHECK_MEMBERS([AGGREGATE.MEMBER, ...])
dnl except we just work with a limited set of fixed includes.
dnl
AC_DEFUN([SIM_CHECK_MEMBERS_1],
[ifelse($#, 1,
[SIM_CHECK_MEMBER([$1],
AC_DEFINE_UNQUOTED([HAVE_]translit([$1], [a-z .], [A-Z__]), 1,
[Define to 1 if ]patsubst([$1],
[^[^.]*\.])[ is a member of ]patsubst([$1], [\..*])[. ]),,
[#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_STAT_H
#include <sys/stat.h>
#endif])],
[SIM_CHECK_MEMBER([$1],
AC_DEFINE_UNQUOTED([HAVE_]translit([$1], [a-z .], [A-Z__]), 1,
[Define to 1 if ]patsubst([$1],
[^[^.]*\.])[ is a member of ]patsubst([$1], [\..*])[. ]),,
[#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_STAT_H
#include <sys/stat.h>
#endif])
SIM_CHECK_MEMBERS_1(builtin(shift,$@))])])dnl SIM_CHECK_MEMBERS
dnl
AC_DEFUN([SIM_CHECK_MEMBERS],
[ifelse($#, 1, [SIM_CHECK_MEMBERS_1($1)],
[errprint(__file__:__line__:
[This SIM_CHECK_MEMBERS only supports one argument,]
[the list of struct tests])])])dnl SIM_CHECK_MEMBERS