summaryrefslogtreecommitdiff
path: root/acinclude.m4
blob: 1fc357ff7c6f0dbc89976841fe868c3756552b3e (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
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
# Local macros for automake & autoconf

AC_DEFUN(MYSQL_CHECK_LIBEDIT_INTERFACE,[
    AC_CACHE_CHECK([libedit variant of rl_completion_entry_function], mysql_cv_libedit_interface,
	AC_TRY_COMPILE(
	    [
		#include "stdio.h"
		#include "readline/readline.h"
	    ],
	    [ 
		char res= *(*rl_completion_entry_function)(0,0);
		completion_matches(0,0);
	    ],
	    [
		mysql_cv_libedit_interface=yes
		AC_DEFINE_UNQUOTED(USE_LIBEDIT_INTERFACE)
	    ],
	    [mysql_cv_libedit_interface=no]
        )
    )
])

AC_DEFUN(MYSQL_CHECK_NEW_RL_INTERFACE,[
    AC_CACHE_CHECK([defined rl_compentry_func_t and rl_completion_func_t], mysql_cv_new_rl_interface,
	AC_TRY_COMPILE(
	    [
		#include "stdio.h"
		#include "readline/readline.h"
	    ],
	    [ 
		rl_completion_func_t *func1= (rl_completion_func_t*)0;
		rl_compentry_func_t *func2= (rl_compentry_func_t*)0;
	    ],
	    [
		mysql_cv_new_rl_interface=yes
		AC_DEFINE_UNQUOTED(USE_NEW_READLINE_INTERFACE)
	    ],
	    [mysql_cv_new_rl_interface=no]
        )
    )
])

# A local version of AC_CHECK_SIZEOF that includes sys/types.h
dnl MYSQL_CHECK_SIZEOF(TYPE [, CROSS-SIZE])
AC_DEFUN(MYSQL_CHECK_SIZEOF,
[changequote(<<, >>)dnl
dnl The name to #define.
define(<<AC_TYPE_NAME>>, translit(sizeof_$1, [a-z *], [A-Z_P]))dnl
dnl The cache variable name.
define(<<AC_CV_NAME>>, translit(ac_cv_sizeof_$1, [ *], [_p]))dnl
changequote([, ])dnl
AC_MSG_CHECKING(size of $1)
AC_CACHE_VAL(AC_CV_NAME,
[AC_TRY_RUN([#include <stdio.h>
#include <sys/types.h>
#if STDC_HEADERS
#include <stdlib.h>
#include <stddef.h>
#endif
main()
{
  FILE *f=fopen("conftestval", "w");
  if (!f) exit(1);
  fprintf(f, "%d\n", sizeof($1));
  exit(0);
}], AC_CV_NAME=`cat conftestval`, AC_CV_NAME=0, ifelse([$2], , , AC_CV_NAME=$2))])dnl
AC_MSG_RESULT($AC_CV_NAME)
AC_DEFINE_UNQUOTED(AC_TYPE_NAME, $AC_CV_NAME)
undefine([AC_TYPE_NAME])dnl
undefine([AC_CV_NAME])dnl
])

#---START: Used in for client configure
AC_DEFUN(MYSQL_TYPE_ACCEPT,
[ac_save_CXXFLAGS="$CXXFLAGS"
AC_CACHE_CHECK([base type of last arg to accept], mysql_cv_btype_last_arg_accept,
AC_LANG_SAVE
AC_LANG_CPLUSPLUS
if test "$ac_cv_prog_gxx" = "yes"
then
  CXXFLAGS=`echo $CXXFLAGS -Werror | sed 's/-fbranch-probabilities//'`
fi
mysql_cv_btype_last_arg_accept=none
[AC_TRY_COMPILE([#if defined(inline)
#undef inline
#endif
#include <stdlib.h>
#include <sys/types.h>
#include <sys/socket.h>
],
[int a = accept(1, (struct sockaddr *) 0, (socklen_t *) 0); return (a != 0);],
mysql_cv_btype_last_arg_accept=socklen_t)]
if test "$mysql_cv_btype_last_arg_accept" = "none"; then
[AC_TRY_COMPILE([#if defined(inline)
#undef inline
#endif
#include <stdlib.h>
#include <sys/types.h>
#include <sys/socket.h>
],
[int a = accept(1, (struct sockaddr *) 0, (size_t *) 0); return (a != 0);],
mysql_cv_btype_last_arg_accept=size_t)]
fi
if test "$mysql_cv_btype_last_arg_accept" = "none"; then
mysql_cv_btype_last_arg_accept=int
fi)
AC_LANG_RESTORE
AC_DEFINE_UNQUOTED(SOCKET_SIZE_TYPE, $mysql_cv_btype_last_arg_accept)
CXXFLAGS="$ac_save_CXXFLAGS"
])
#---END:

dnl Find type of qsort
AC_DEFUN(MYSQL_TYPE_QSORT,
[AC_CACHE_CHECK([return type of qsort], mysql_cv_type_qsort,
[AC_TRY_COMPILE([#include <stdlib.h>
#ifdef __cplusplus
extern "C"
#endif
void qsort(void *base, size_t nel, size_t width,
 int (*compar) (const void *, const void *));
],
[int i;], mysql_cv_type_qsort=void, mysql_cv_type_qsort=int)])
AC_DEFINE_UNQUOTED(RETQSORTTYPE, $mysql_cv_type_qsort)
if test "$mysql_cv_type_qsort" = "void"
then
 AC_DEFINE_UNQUOTED(QSORT_TYPE_IS_VOID, 1)
fi
])

AC_DEFUN(MYSQL_TIMESPEC_TS,
[AC_CACHE_CHECK([if struct timespec has a ts_sec member], mysql_cv_timespec_ts,
[AC_TRY_COMPILE([#include <pthread.h>
#ifdef __cplusplus
extern "C"
#endif
],
[struct timespec abstime;

abstime.ts_sec = time(NULL)+1;
abstime.ts_nsec = 0;
], mysql_cv_timespec_ts=yes, mysql_cv_timespec_ts=no)])
if test "$mysql_cv_timespec_ts" = "yes"
then
  AC_DEFINE(HAVE_TIMESPEC_TS_SEC)
fi
])

AC_DEFUN(MYSQL_TZNAME,
[AC_CACHE_CHECK([if we have tzname variable], mysql_cv_tzname,
[AC_TRY_COMPILE([#include <time.h>
#ifdef __cplusplus
extern "C"
#endif
],
[ tzset();
  return tzname[0] != 0;
], mysql_cv_tzname=yes, mysql_cv_tzname=no)])
if test "$mysql_cv_tzname" = "yes"
then
  AC_DEFINE(HAVE_TZNAME)
fi
])

AC_DEFUN(MYSQL_CHECK_ZLIB_WITH_COMPRESS, [
save_LIBS="$LIBS"
LIBS="-l$1 $LIBS"
AC_CACHE_CHECK([if libz with compress], mysql_cv_compress,
[AC_TRY_RUN([#include <zlib.h>
#ifdef __cplusplus
extern "C"
#endif
int main(int argv, char **argc)
{
  return 0;
}

int link_test()
{
  return compress(0, (unsigned long*) 0, "", 0);
}
], mysql_cv_compress=yes, mysql_cv_compress=no)])
if test "$mysql_cv_compress" = "yes"
then
  AC_DEFINE(HAVE_COMPRESS)
else
  LIBS="$save_LIBS"
fi
])

#---START: Used in for client configure
AC_DEFUN(MYSQL_CHECK_ULONG,
[AC_MSG_CHECKING(for type ulong)
AC_CACHE_VAL(ac_cv_ulong,
[AC_TRY_RUN([#include <stdio.h>
#include <sys/types.h>
main()
{
  ulong foo;
  foo++;
  exit(0);
}], ac_cv_ulong=yes, ac_cv_ulong=no, ac_cv_ulong=no)])
AC_MSG_RESULT($ac_cv_ulong)
if test "$ac_cv_ulong" = "yes"
then
  AC_DEFINE(HAVE_ULONG)
fi
])

AC_DEFUN(MYSQL_CHECK_UCHAR,
[AC_MSG_CHECKING(for type uchar)
AC_CACHE_VAL(ac_cv_uchar,
[AC_TRY_RUN([#include <stdio.h>
#include <sys/types.h>
main()
{
  uchar foo;
  foo++;
  exit(0);
}], ac_cv_uchar=yes, ac_cv_uchar=no, ac_cv_uchar=no)])
AC_MSG_RESULT($ac_cv_uchar)
if test "$ac_cv_uchar" = "yes"
then
  AC_DEFINE(HAVE_UCHAR)
fi
])

AC_DEFUN(MYSQL_CHECK_UINT,
[AC_MSG_CHECKING(for type uint)
AC_CACHE_VAL(ac_cv_uint,
[AC_TRY_RUN([#include <stdio.h>
#include <sys/types.h>
main()
{
  uint foo;
  foo++;
  exit(0);
}], ac_cv_uint=yes, ac_cv_uint=no, ac_cv_uint=no)])
AC_MSG_RESULT($ac_cv_uint)
if test "$ac_cv_uint" = "yes"
then
  AC_DEFINE(HAVE_UINT)
fi
])


AC_DEFUN(MYSQL_CHECK_IN_ADDR_T,
[AC_MSG_CHECKING(for type in_addr_t)
AC_CACHE_VAL(ac_cv_in_addr_t,
[AC_TRY_RUN([#include <stdio.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>

int main(int argc, char **argv)
{
  in_addr_t foo;
  exit(0);
}], ac_cv_in_addr_t=yes, ac_cv_in_addr_t=no, ac_cv_in_addr_t=no)])
AC_MSG_RESULT($ac_cv_in_addr_t)
if test "$ac_cv_in_addr_t" = "yes"
then
  AC_DEFINE(HAVE_IN_ADDR_T)
fi
])


AC_DEFUN(MYSQL_PTHREAD_YIELD,
[AC_CACHE_CHECK([if pthread_yield takes zero arguments], ac_cv_pthread_yield_zero_arg,
[AC_TRY_LINK([#define _GNU_SOURCE
#include <pthread.h>
#ifdef __cplusplus
extern "C"
#endif
],
[
  pthread_yield();
], ac_cv_pthread_yield_zero_arg=yes, ac_cv_pthread_yield_zero_arg=yeso)])
if test "$ac_cv_pthread_yield_zero_arg" = "yes"
then
  AC_DEFINE(HAVE_PTHREAD_YIELD_ZERO_ARG)
fi
]
[AC_CACHE_CHECK([if pthread_yield takes 1 argument], ac_cv_pthread_yield_one_arg,
[AC_TRY_LINK([#define _GNU_SOURCE
#include <pthread.h>
#ifdef __cplusplus
extern "C"
#endif
],
[
  pthread_yield(0);
], ac_cv_pthread_yield_one_arg=yes, ac_cv_pthread_yield_one_arg=no)])
if test "$ac_cv_pthread_yield_one_arg" = "yes"
then
  AC_DEFINE(HAVE_PTHREAD_YIELD_ONE_ARG)
fi
]
)



#---END:

AC_DEFUN(MYSQL_CHECK_FP_EXCEPT,
[AC_MSG_CHECKING(for type fp_except)
AC_CACHE_VAL(ac_cv_fp_except,
[AC_TRY_RUN([#include <stdio.h>
#include <sys/types.h>
#include <ieeefp.h>
main()
{
  fp_except foo;
  foo++;
  exit(0);
}], ac_cv_fp_except=yes, ac_cv_fp_except=no, ac_cv_fp_except=no)])
AC_MSG_RESULT($ac_cv_fp_except)
if test "$ac_cv_fp_except" = "yes"
then
  AC_DEFINE(HAVE_FP_EXCEPT)
fi
])

# From fileutils-3.14/aclocal.m4

# @defmac AC_PROG_CC_STDC
# @maindex PROG_CC_STDC
# @ovindex CC
# If the C compiler in not in ANSI C mode by default, try to add an option
# to output variable @code{CC} to make it so.  This macro tries various
# options that select ANSI C on some system or another.  It considers the
# compiler to be in ANSI C mode if it defines @code{__STDC__} to 1 and
# handles function prototypes correctly.
#
# Patched by monty to only check if __STDC__ is defined. With the original 
# check it's impossible to get things to work with the Sunpro compiler from
# Workshop 4.2
#
# If you use this macro, you should check after calling it whether the C
# compiler has been set to accept ANSI C; if not, the shell variable
# @code{am_cv_prog_cc_stdc} is set to @samp{no}.  If you wrote your source
# code in ANSI C, you can make an un-ANSIfied copy of it by using the
# program @code{ansi2knr}, which comes with Ghostscript.
# @end defmac

AC_DEFUN(AM_PROG_CC_STDC,
[AC_REQUIRE([AC_PROG_CC])
AC_MSG_CHECKING(for ${CC-cc} option to accept ANSI C)
AC_CACHE_VAL(am_cv_prog_cc_stdc,
[am_cv_prog_cc_stdc=no
ac_save_CC="$CC"
# Don't try gcc -ansi; that turns off useful extensions and
# breaks some systems' header files.
# AIX			-qlanglvl=ansi
# Ultrix and OSF/1	-std1
# HP-UX			-Aa -D_HPUX_SOURCE
# SVR4			-Xc -D__EXTENSIONS__
# removed "-Xc -D__EXTENSIONS__" beacause sun c++ does not like it.
for ac_arg in "" -qlanglvl=ansi -std1 "-Aa -D_HPUX_SOURCE" 
do
  CC="$ac_save_CC $ac_arg"
  AC_TRY_COMPILE(
[#if !defined(__STDC__)
choke me
#endif
/* DYNIX/ptx V4.1.3 can't compile sys/stat.h with -Xc -D__EXTENSIONS__. */
#ifdef _SEQUENT_
# include <sys/types.h>
# include <sys/stat.h>
#endif
], [
int test (int i, double x);
struct s1 {int (*f) (int a);};
struct s2 {int (*f) (double a);};],
[am_cv_prog_cc_stdc="$ac_arg"; break])
done
CC="$ac_save_CC"
])
AC_MSG_RESULT($am_cv_prog_cc_stdc)
case "x$am_cv_prog_cc_stdc" in
  x|xno) ;;
  *) CC="$CC $am_cv_prog_cc_stdc" ;;
esac
])

#
# Check to make sure that the build environment is sane.
#

AC_DEFUN(AM_SANITY_CHECK,
[AC_MSG_CHECKING([whether build environment is sane])
sleep 1
echo timestamp > conftestfile
# Do this in a subshell so we don't clobber the current shell's
# arguments.  FIXME: maybe try `-L' hack like GETLOADAVG test?
if (set X `ls -t $srcdir/configure conftestfile`; test "[$]2" = conftestfile)
then
   # Ok.
   :
else
   AC_MSG_ERROR([newly created file is older than distributed files!
Check your system clock])
fi
rm -f conftest*
AC_MSG_RESULT(yes)])

# Orginal from bash-2.0 aclocal.m4, Changed to use termcap last by monty.
 
AC_DEFUN(MYSQL_CHECK_LIB_TERMCAP,
[
AC_CACHE_VAL(mysql_cv_termcap_lib,
[AC_CHECK_LIB(ncurses, tgetent, mysql_cv_termcap_lib=libncurses,
    [AC_CHECK_LIB(curses, tgetent, mysql_cv_termcap_lib=libcurses,
	[AC_CHECK_LIB(termcap, tgetent, mysql_cv_termcap_lib=libtermcap,
	    mysql_cv_termcap_lib=NOT_FOUND)])])])
AC_MSG_CHECKING(for termcap functions library)
if test "$mysql_cv_termcap_lib" = "NOT_FOUND"; then
AC_MSG_ERROR([No curses/termcap library found])
elif test "$mysql_cv_termcap_lib" = "libtermcap"; then
TERMCAP_LIB=-ltermcap
elif test "$mysql_cv_termcap_lib" = "libncurses"; then
TERMCAP_LIB=-lncurses
else
TERMCAP_LIB=-lcurses
fi
AC_MSG_RESULT($TERMCAP_LIB)
])

dnl Check type of signal routines (posix, 4.2bsd, 4.1bsd or v7)
AC_DEFUN(MYSQL_SIGNAL_CHECK,
[AC_REQUIRE([AC_TYPE_SIGNAL])
AC_MSG_CHECKING(for type of signal functions)
AC_CACHE_VAL(mysql_cv_signal_vintage,
[
  AC_TRY_LINK([#include <signal.h>],[
    sigset_t ss;
    struct sigaction sa;
    sigemptyset(&ss); sigsuspend(&ss);
    sigaction(SIGINT, &sa, (struct sigaction *) 0);
    sigprocmask(SIG_BLOCK, &ss, (sigset_t *) 0);
  ], mysql_cv_signal_vintage=posix,
  [
    AC_TRY_LINK([#include <signal.h>], [
	int mask = sigmask(SIGINT);
	sigsetmask(mask); sigblock(mask); sigpause(mask);
    ], mysql_cv_signal_vintage=4.2bsd,
    [
      AC_TRY_LINK([
	#include <signal.h>
	RETSIGTYPE foo() { }], [
		int mask = sigmask(SIGINT);
		sigset(SIGINT, foo); sigrelse(SIGINT);
		sighold(SIGINT); sigpause(SIGINT);
        ], mysql_cv_signal_vintage=svr3, mysql_cv_signal_vintage=v7
    )]
  )]
)
])
AC_MSG_RESULT($mysql_cv_signal_vintage)
if test "$mysql_cv_signal_vintage" = posix; then
AC_DEFINE(HAVE_POSIX_SIGNALS)
elif test "$mysql_cv_signal_vintage" = "4.2bsd"; then
AC_DEFINE(HAVE_BSD_SIGNALS)
elif test "$mysql_cv_signal_vintage" = svr3; then
AC_DEFINE(HAVE_USG_SIGHOLD)
fi
])

AC_DEFUN(MYSQL_CHECK_GETPW_FUNCS,
[AC_MSG_CHECKING(whether programs are able to redeclare getpw functions)
AC_CACHE_VAL(mysql_cv_can_redecl_getpw,
[AC_TRY_COMPILE([#include <sys/types.h>
#include <pwd.h>
extern struct passwd *getpwent();], [struct passwd *z; z = getpwent();],
  mysql_cv_can_redecl_getpw=yes,mysql_cv_can_redecl_getpw=no)])
AC_MSG_RESULT($mysql_cv_can_redecl_getpw)
if test "$mysql_cv_can_redecl_getpw" = "no"; then
AC_DEFINE(HAVE_GETPW_DECLS)
fi
])

AC_DEFUN(MYSQL_HAVE_TIOCGWINSZ,
[AC_MSG_CHECKING(for TIOCGWINSZ in sys/ioctl.h)
AC_CACHE_VAL(mysql_cv_tiocgwinsz_in_ioctl,
[AC_TRY_COMPILE([#include <sys/types.h>
#include <sys/ioctl.h>], [int x = TIOCGWINSZ;],
  mysql_cv_tiocgwinsz_in_ioctl=yes,mysql_cv_tiocgwinsz_in_ioctl=no)])
AC_MSG_RESULT($mysql_cv_tiocgwinsz_in_ioctl)
if test "$mysql_cv_tiocgwinsz_in_ioctl" = "yes"; then   
AC_DEFINE(GWINSZ_IN_SYS_IOCTL)
fi
])

AC_DEFUN(MYSQL_HAVE_FIONREAD,
[AC_MSG_CHECKING(for FIONREAD in sys/ioctl.h)
AC_CACHE_VAL(mysql_cv_fionread_in_ioctl,
[AC_TRY_COMPILE([#include <sys/types.h>
#include <sys/ioctl.h>], [int x = FIONREAD;],
  mysql_cv_fionread_in_ioctl=yes,mysql_cv_fionread_in_ioctl=no)])
AC_MSG_RESULT($mysql_cv_fionread_in_ioctl)
if test "$mysql_cv_fionread_in_ioctl" = "yes"; then   
AC_DEFINE(FIONREAD_IN_SYS_IOCTL)
fi
])

AC_DEFUN(MYSQL_HAVE_TIOCSTAT,
[AC_MSG_CHECKING(for TIOCSTAT in sys/ioctl.h)
AC_CACHE_VAL(mysql_cv_tiocstat_in_ioctl,
[AC_TRY_COMPILE([#include <sys/types.h>
#include <sys/ioctl.h>], [int x = TIOCSTAT;],
  mysql_cv_tiocstat_in_ioctl=yes,mysql_cv_tiocstat_in_ioctl=no)])
AC_MSG_RESULT($mysql_cv_tiocstat_in_ioctl)
if test "$mysql_cv_tiocstat_in_ioctl" = "yes"; then   
AC_DEFINE(TIOCSTAT_IN_SYS_IOCTL)
fi
])

AC_DEFUN(MYSQL_STRUCT_DIRENT_D_INO,
[AC_REQUIRE([AC_HEADER_DIRENT])
AC_MSG_CHECKING(if struct dirent has a d_ino member)
AC_CACHE_VAL(mysql_cv_dirent_has_dino,
[AC_TRY_COMPILE([
#include <stdio.h>
#include <sys/types.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif /* HAVE_UNISTD_H */
#if defined(HAVE_DIRENT_H)
# include <dirent.h>
#else
# define dirent direct
# ifdef HAVE_SYS_NDIR_H
#  include <sys/ndir.h>
# endif /* SYSNDIR */
# ifdef HAVE_SYS_DIR_H
#  include <sys/dir.h>
# endif /* SYSDIR */
# ifdef HAVE_NDIR_H
#  include <ndir.h>
# endif
#endif /* HAVE_DIRENT_H */
],[
struct dirent d; int z; z = d.d_ino;
], mysql_cv_dirent_has_dino=yes, mysql_cv_dirent_has_dino=no)])
AC_MSG_RESULT($mysql_cv_dirent_has_dino)
if test "$mysql_cv_dirent_has_dino" = "yes"; then
AC_DEFINE(STRUCT_DIRENT_HAS_D_INO)
fi
])

AC_DEFUN(MYSQL_TYPE_SIGHANDLER,
[AC_MSG_CHECKING([whether signal handlers are of type void])
AC_CACHE_VAL(mysql_cv_void_sighandler,
[AC_TRY_COMPILE([#include <sys/types.h>
#include <signal.h>
#ifdef signal
#undef signal
#endif
#ifdef __cplusplus
extern "C"
#endif
void (*signal ()) ();],
[int i;], mysql_cv_void_sighandler=yes, mysql_cv_void_sighandler=no)])dnl
AC_MSG_RESULT($mysql_cv_void_sighandler)
if test "$mysql_cv_void_sighandler" = "yes"; then
AC_DEFINE(VOID_SIGHANDLER)
fi
])

AC_DEFUN(MYSQL_CXX_BOOL,
[
AC_REQUIRE([AC_PROG_CXX])
AC_MSG_CHECKING(if ${CXX} supports bool types)
AC_CACHE_VAL(mysql_cv_have_bool,
[
AC_LANG_SAVE
AC_LANG_CPLUSPLUS
AC_TRY_COMPILE(,[bool b = true;],
mysql_cv_have_bool=yes,
mysql_cv_have_bool=no)
AC_LANG_RESTORE
])
AC_MSG_RESULT($mysql_cv_have_bool)
if test "$mysql_cv_have_bool" = yes; then
AC_DEFINE(HAVE_BOOL)
fi
])dnl

AC_DEFUN(MYSQL_STACK_DIRECTION,
 [AC_CACHE_CHECK(stack direction for C alloca, ac_cv_c_stack_direction,
 [AC_TRY_RUN([#include <stdlib.h>
 int find_stack_direction ()
 {
   static char *addr = 0;
   auto char dummy;
   if (addr == 0)
     {
       addr = &dummy;
       return find_stack_direction ();
     }
   else
     return (&dummy > addr) ? 1 : -1;
 }
 int main ()
 {
   exit (find_stack_direction() < 0);
 }], ac_cv_c_stack_direction=1, ac_cv_c_stack_direction=-1,
   ac_cv_c_stack_direction=0)])
 AC_DEFINE_UNQUOTED(STACK_DIRECTION, $ac_cv_c_stack_direction)
])dnl

AC_DEFUN(MYSQL_FUNC_ALLOCA,
[
# Since we have heard that alloca fails on IRIX never define it on a
# SGI machine
if test ! "$host_vendor" = "sgi"
then
 AC_REQUIRE_CPP()dnl Set CPP; we run AC_EGREP_CPP conditionally.
 # The Ultrix 4.2 mips builtin alloca declared by alloca.h only works
 # for constant arguments.  Useless!
 AC_CACHE_CHECK([for working alloca.h], ac_cv_header_alloca_h,
 [AC_TRY_LINK([#include <alloca.h>], [char *p = alloca(2 * sizeof(int));],
   ac_cv_header_alloca_h=yes, ac_cv_header_alloca_h=no)])
 if test "$ac_cv_header_alloca_h" = "yes"
 then
	AC_DEFINE(HAVE_ALLOCA)
 fi
 
 AC_CACHE_CHECK([for alloca], ac_cv_func_alloca_works,
 [AC_TRY_LINK([
 #ifdef __GNUC__
 # define alloca __builtin_alloca
 #else
 # if HAVE_ALLOCA_H
 #  include <alloca.h>
 # else
 #  ifdef _AIX
  #pragma alloca
 #  else
 #   ifndef alloca /* predefined by HP cc +Olibcalls */
 char *alloca ();
 #   endif
 #  endif
 # endif
 #endif
 ], [char *p = (char *) alloca(1);],
   ac_cv_func_alloca_works=yes, ac_cv_func_alloca_works=no)])
 if test "$ac_cv_func_alloca_works" = "yes"; then
   AC_DEFINE(HAVE_ALLOCA)
 fi
 
 if test "$ac_cv_func_alloca_works" = "no"; then
   # The SVR3 libPW and SVR4 libucb both contain incompatible functions
   # that cause trouble.  Some versions do not even contain alloca or
   # contain a buggy version.  If you still want to use their alloca,
   # use ar to extract alloca.o from them instead of compiling alloca.c.
   ALLOCA=alloca.o
   AC_DEFINE(C_ALLOCA)
 
 AC_CACHE_CHECK(whether alloca needs Cray hooks, ac_cv_os_cray,
 [AC_EGREP_CPP(webecray,
 [#if defined(CRAY) && ! defined(CRAY2)
 webecray
 #else
 wenotbecray
 #endif
 ], ac_cv_os_cray=yes, ac_cv_os_cray=no)])
 if test "$ac_cv_os_cray" = "yes"; then
 for ac_func in _getb67 GETB67 getb67; do
   AC_CHECK_FUNC($ac_func, [AC_DEFINE_UNQUOTED(CRAY_STACKSEG_END, $ac_func)
   break])
 done
 fi
 fi
 AC_SUBST(ALLOCA)dnl
else
 AC_MSG_RESULT("Skipped alloca tests")
fi
])

AC_DEFUN(MYSQL_CHECK_LONGLONG_TO_FLOAT,
[
AC_MSG_CHECKING(if conversion of longlong to float works)
AC_CACHE_VAL(ac_cv_conv_longlong_to_float,
[AC_TRY_RUN([#include <stdio.h>
typedef long long longlong;
main()
{
  longlong ll=1;
  float f;
  FILE *file=fopen("conftestval", "w");
  f = (float) ll;
  fprintf(file,"%g\n",f);
  fclose(file);
  exit (0);
}], ac_cv_conv_longlong_to_float=`cat conftestval`, ac_cv_conv_longlong_to_float=0, ifelse([$2], , , ac_cv_conv_longlong_to_float=$2))])dnl
if test "$ac_cv_conv_longlong_to_float" = "1" -o "$ac_cv_conv_longlong_to_float" = "yes"
then
  ac_cv_conv_longlong_to_float=yes
else
  ac_cv_conv_longlong_to_float=no
fi
AC_MSG_RESULT($ac_cv_conv_longlong_to_float)
])

AC_DEFUN(MYSQL_CHECK_CPU,
[AC_CACHE_CHECK([if compiler supports optimizations for current cpu],
mysql_cv_cpu,[

ac_save_CFLAGS="$CFLAGS"
if test -r /proc/cpuinfo ; then
  cpuinfo="cat /proc/cpuinfo"
  cpu_family=`$cpuinfo | grep 'cpu family' | cut -d ':' -f 2 | cut -d ' ' -f 2 | head -1`
  cpu_vendor=`$cpuinfo | grep 'vendor_id' | cut -d ':' -f 2 | cut -d ' ' -f 2 | head -1`
fi 
if test "$cpu_vendor" = "AuthenticAMD"; then
    if test $cpu_family -ge 6; then
      cpu_set="athlon pentiumpro k5 pentium i486 i386";
    elif test $cpu_family -eq 5; then
      cpu_set="k5 pentium i486 i386";
    elif test $cpu_family -eq 4; then
      cpu_set="i486 i386"
    else
      cpu_set="i386"
    fi
elif test "$cpu_vendor" = "GenuineIntel"; then
    if test $cpu_family -ge 6; then
      cpu_set="pentiumpro pentium i486 i386";
    elif test $cpu_family -eq 5; then
      cpu_set="pentium i486 i386";
    elif test $cpu_family -eq 4; then
      cpu_set="i486 i386"
    else
      cpu_set="i386"
    fi
fi

for ac_arg in $cpu_set;
do
  CFLAGS="$ac_save_CFLAGS -mcpu=$ac_arg -march=$ac_arg -DCPU=$ac_arg" 
  AC_TRY_COMPILE([],[int i],mysql_cv_cpu=$ac_arg; break;, mysql_cv_cpu="unknown")
done

if test "$mysql_cv_cpu" = "unknown"
then
  CFLAGS="$ac_save_CFLAGS"
  AC_MSG_RESULT(none)
else
  AC_MSG_RESULT($mysql_cv_cpu)
fi
]]))

AC_DEFUN(MYSQL_CHECK_VIO, [
  AC_ARG_WITH([vio],
              [  --with-vio              Include the Virtual IO support],
              [vio="$withval"],
              [vio=no])

  if test "$vio" = "yes"
  then
    vio_dir="vio"
    vio_libs="../vio/libvio.la"
    AC_DEFINE(HAVE_VIO)
  else
    vio_dir=""
    vio_libs=""
  fi
  AC_SUBST([vio_dir])
  AC_SUBST([vio_libs])
])

AC_DEFUN(MYSQL_FIND_OPENSSL, [
  incs="$1"
  libs="$2"
  case "$incs---$libs" in
    ---)
      for d in /usr/ssl/include /usr/local/ssl/include /usr/include \
/usr/include/ssl /opt/ssl/include /opt/openssl/include \
/usr/local/ssl/include /usr/local/include ; do
       if test -f $d/openssl/ssl.h  ; then
         OPENSSL_INCLUDE=-I$d
       fi
      done

      for d in /usr/ssl/lib /usr/local/ssl/lib /usr/lib/openssl \
/usr/lib /usr/lib64 /opt/ssl/lib /opt/openssl/lib /usr/local/lib/ ; do
      if test -f $d/libssl.a || test -f $d/libssl.so || test -f $d/libssl.dylib ; then
        OPENSSL_LIB=$d
      fi
      done
      ;;
    ---* | *---)
      AC_MSG_ERROR([if either 'includes' or 'libs' is specified, both must be specified])
      ;;
    * )
      if test -f $incs/openssl/ssl.h  ; then
        OPENSSL_INCLUDE=-I$incs
      fi
      if test -f $libs/libssl.a || test -f $libs/libssl.so || test -f $libs/libssl.dylib ; then
        OPENSSL_LIB=$libs
      fi
      ;;
  esac

  # On RedHat 9 we need kerberos to compile openssl
  for d in /usr/kerberos/include
  do
   if test -f $d/krb5.h  ; then
     OPENSSL_KERBEROS_INCLUDE="$d"
   fi
  done


 if test -z "$OPENSSL_LIB" -o -z "$OPENSSL_INCLUDE" ; then
   echo "Could not find an installation of OpenSSL"
   if test -n "$OPENSSL_LIB" ; then
    if test "$IS_LINUX" = "true"; then
      echo "Looks like you've forgotten to install OpenSSL development RPM"
    fi
   fi
  exit 1
 fi

])

AC_DEFUN(MYSQL_CHECK_OPENSSL, [
AC_MSG_CHECKING(for OpenSSL)
  AC_ARG_WITH([openssl],
              [  --with-openssl          Include the OpenSSL support],
              [openssl="$withval"],
              [openssl=no])

  AC_ARG_WITH([openssl-includes],
              [
  --with-openssl-includes=DIR
                          Find OpenSSL headers in DIR],
              [openssl_includes="$withval"],
              [openssl_includes=""])

  AC_ARG_WITH([openssl-libs],
              [
  --with-openssl-libs=DIR
                          Find OpenSSL libraries in DIR],
              [openssl_libs="$withval"],
              [openssl_libs=""])

  if test "$openssl" = "yes"
  then
    MYSQL_FIND_OPENSSL([$openssl_includes], [$openssl_libs])
    #force VIO use
    vio_dir="vio"
    vio_libs="../vio/libvio.la"
    AC_DEFINE(HAVE_VIO)
    AC_MSG_RESULT(yes)
    openssl_libs="-L$OPENSSL_LIB -lssl -lcrypto"
    # Don't set openssl_includes to /usr/include as this gives us a lot of
    # compiler warnings when using gcc 3.x
    openssl_includes=""
    if test "$OPENSSL_INCLUDE" != "-I/usr/include"
    then
	openssl_includes="$OPENSSL_INCLUDE"
    fi
    if test "$OPENSSL_KERBEROS_INCLUDE"
    then
    	openssl_includes="$openssl_includes -I$OPENSSL_KERBEROS_INCLUDE"
    fi
    AC_DEFINE(HAVE_OPENSSL)

    # openssl-devel-0.9.6 requires dlopen() and we can't link staticly
    # on many platforms (We should actually test this here, but it's quite
    # hard) to do as we are doing libtool for linking.
    using_static=""
    case "$CLIENT_EXTRA_LDFLAGS $MYSQLD_EXTRA_LDFLAGS" in
	*-all-static*) using_static="yes" ;;
    esac
    if test "$using_static" = "yes"
    then
      echo "You can't use the --all-static link option when using openssl."
      exit 1
    fi
    NON_THREADED_CLIENT_LIBS="$NON_THREADED_CLIENT_LIBS $openssl_libs"
  else
    AC_MSG_RESULT(no)
  fi
  AC_SUBST(openssl_libs)
  AC_SUBST(openssl_includes)
])


AC_DEFUN(MYSQL_CHECK_MYSQLFS, [
  AC_ARG_WITH([mysqlfs],
              [
  --with-mysqlfs          Include the corba-based MySQL file system],
              [mysqlfs="$withval"],
              [mysqlfs=no])

dnl Call MYSQL_CHECK_ORBIT even if mysqlfs == no, so that @orbit_*@
dnl get substituted.
  MYSQL_CHECK_ORBIT

  AC_MSG_CHECKING(if we should build MySQLFS)
  fs_dirs=""
  if test "$mysqlfs" = "yes"
  then
    if test -n "$orbit_exec_prefix"
    then
      fs_dirs=fs
      AC_MSG_RESULT([yes])
    else
      AC_MSG_RESULT(disabled because ORBIT, the CORBA ORB, was not found)
    fi
  else
    AC_MSG_RESULT([no])
  fi
  AC_SUBST([fs_dirs])
])

AC_DEFUN(MYSQL_CHECK_ORBIT, [
AC_MSG_CHECKING(for ORBit)
orbit_config_path=`which orbit-config`
if test -n "$orbit_config_path" -a $? = 0
then
  orbit_exec_prefix=`orbit-config --exec-prefix`
  orbit_includes=`orbit-config --cflags server`
  orbit_libs=`orbit-config --libs server`
  orbit_idl="$orbit_exec_prefix/bin/orbit-idl"
  AC_MSG_RESULT(found!)
  AC_DEFINE(HAVE_ORBIT)
else
  orbit_exec_prefix=
  orbit_includes=
  orbit_libs=
  orbit_idl=
  AC_MSG_RESULT(not found)
fi
AC_SUBST(orbit_includes)
AC_SUBST(orbit_libs)
AC_SUBST(orbit_idl)
])

AC_DEFUN([MYSQL_CHECK_ISAM], [
  AC_ARG_WITH([isam], [
  --with-isam             Enable the ISAM table type],
    [with_isam="$withval"],
    [with_isam=no])

  isam_libs=
  if test X"$with_isam" = X"yes"
  then
    AC_DEFINE(HAVE_ISAM)
    isam_libs="\$(top_builddir)/isam/libnisam.a\
 \$(top_builddir)/merge/libmerge.a"
  fi
  AC_SUBST(isam_libs)
])


dnl ---------------------------------------------------------------------------
dnl Macro: MYSQL_CHECK_BDB
dnl Sets HAVE_BERKELEY_DB if inst library is found
dnl Makes sure db version is correct.
dnl Looks in $srcdir for Berkeley distribution if not told otherwise
dnl ---------------------------------------------------------------------------

AC_DEFUN([MYSQL_CHECK_BDB], [
  AC_ARG_WITH([berkeley-db],
              [
  --with-berkeley-db[=DIR]
                          Use BerkeleyDB located in DIR],
              [bdb="$withval"],
              [bdb=no])

  AC_ARG_WITH([berkeley-db-includes],
              [
  --with-berkeley-db-includes=DIR
                          Find Berkeley DB headers in DIR],
              [bdb_includes="$withval"],
              [bdb_includes=default])

  AC_ARG_WITH([berkeley-db-libs],
              [
  --with-berkeley-db-libs=DIR
                          Find Berkeley DB libraries in DIR],
              [bdb_libs="$withval"],
              [bdb_libs=default])

  AC_MSG_CHECKING([for BerkeleyDB])

dnl     SORT OUT THE SUPPLIED ARGUMENTS TO DETERMINE WHAT TO DO
dnl echo "DBG1: bdb='$bdb'; incl='$bdb_includes'; lib='$bdb_libs'"
  have_berkeley_db=no
  case "$bdb" in
    no )
      mode=no
      AC_MSG_RESULT([no])
      ;;
    yes | default )
      case "$bdb_includes---$bdb_libs" in
        default---default )
          mode=search-$bdb
          AC_MSG_RESULT([searching...])
          ;;
        default---* | *---default | yes---* | *---yes )
          AC_MSG_ERROR([if either 'includes' or 'libs' is specified, both must be specified])
          ;;
        * )
          mode=supplied-two
          AC_MSG_RESULT([supplied])
          ;;
      esac
      ;;
    * )
      mode=supplied-one
      AC_MSG_RESULT([supplied])
      ;;
  esac

dnl echo "DBG2: [$mode] bdb='$bdb'; incl='$bdb_includes'; lib='$bdb_libs'"

  case $mode in
    no )
      bdb_includes=
      bdb_libs=
      bdb_libs_with_path=
      ;;
    supplied-two )
      MYSQL_CHECK_INSTALLED_BDB([$bdb_includes], [$bdb_libs])
      case $bdb_dir_ok in
        installed ) mode=yes ;;
        * ) AC_MSG_ERROR([didn't find valid BerkeleyDB: $bdb_dir_ok]) ;;
      esac
      ;;
    supplied-one )
      MYSQL_CHECK_BDB_DIR([$bdb])
      case $bdb_dir_ok in
        source ) mode=compile ;;
        installed ) mode=yes ;;
        * ) AC_MSG_ERROR([didn't find valid BerkeleyDB: $bdb_dir_ok]) ;;
      esac
      ;;
    search-* )
      MYSQL_SEARCH_FOR_BDB
      case $bdb_dir_ok in
        source ) mode=compile ;;
        installed ) mode=yes ;;
        * )
          # not found
          case $mode in
            *-yes ) AC_MSG_ERROR([no suitable BerkeleyDB found]) ;;
            * ) mode=no ;;
          esac
         bdb_includes=
         bdb_libs=
	 bdb_libs_with_path=
          ;;
      esac
      ;;
    *)
      AC_MSG_ERROR([impossible case condition '$mode': please report this to bugs@lists.mysql.com])
      ;;
  esac

dnl echo "DBG3: [$mode] bdb='$bdb'; incl='$bdb_includes'; lib='$bdb_libs'"
  case $mode in
    no )
      AC_MSG_RESULT([Not using Berkeley DB])
      ;;
    yes )
      have_berkeley_db="yes"
      AC_MSG_RESULT([Using Berkeley DB in '$bdb_includes'])
      ;;
    compile )
      have_berkeley_db="$bdb"
      AC_MSG_RESULT([Compiling Berekeley DB in '$have_berkeley_db'])
      ;;
    * )
      AC_MSG_ERROR([impossible case condition '$mode': please report this to bugs@lists.mysql.com])
      ;;
  esac

  AC_SUBST(bdb_includes)
  AC_SUBST(bdb_libs)
  AC_SUBST(bdb_libs_with_path)
])

AC_DEFUN([MYSQL_CHECK_INSTALLED_BDB], [
dnl echo ["MYSQL_CHECK_INSTALLED_BDB ($1) ($2)"]
  inc="$1"
  lib="$2"
  if test -f "$inc/db.h"
  then
    MYSQL_CHECK_BDB_VERSION([$inc/db.h],
      [.*#define[ 	]*], [[ 	][ 	]*])

    if test X"$bdb_version_ok" = Xyes; then
      save_LDFLAGS="$LDFLAGS"
      LDFLAGS="-L$lib $LDFLAGS"
      AC_CHECK_LIB(db,db_env_create, [
        bdb_dir_ok=installed
        MYSQL_TOP_BUILDDIR([inc])
        MYSQL_TOP_BUILDDIR([lib])
        bdb_includes="-I$inc"
        bdb_libs="-L$lib -ldb"
        bdb_libs_with_path="$lib/libdb.a"
      ])
      LDFLAGS="$save_LDFLAGS"
    else
      bdb_dir_ok="$bdb_version_ok"
    fi
  else
    bdb_dir_ok="no db.h file in '$inc'"
  fi
])

AC_DEFUN([MYSQL_CHECK_BDB_DIR], [
dnl ([$bdb])
dnl echo ["MYSQL_CHECK_BDB_DIR ($1)"]
  dir="$1"

  MYSQL_CHECK_INSTALLED_BDB([$dir/include], [$dir/lib])

  if test X"$bdb_dir_ok" != Xinstalled; then
    # test to see if it's a source dir
    rel="$dir/dist/RELEASE"
    if test -f "$rel"; then
      MYSQL_CHECK_BDB_VERSION([$rel], [], [=])
      if test X"$bdb_version_ok" = Xyes; then
        bdb_dir_ok=source
        bdb="$dir"
        MYSQL_TOP_BUILDDIR([dir])
        bdb_includes="-I$dir/build_unix"
        bdb_libs="-L$dir/build_unix -ldb"
	bdb_libs_with_path="$dir/build_unix/libdb.a"
      else
        bdb_dir_ok="$bdb_version_ok"
      fi
    else
      bdb_dir_ok="'$dir' doesn't look like a BDB directory ($bdb_dir_ok)"
    fi
  fi
])

AC_DEFUN([MYSQL_SEARCH_FOR_BDB], [
dnl echo ["MYSQL_SEARCH_FOR_BDB"]
  bdb_dir_ok="no BerkeleyDB found"

  for test_dir in $srcdir/bdb $srcdir/db-*.*.* /usr/local/BerkeleyDB*; do
dnl    echo "-----------> Looking at ($test_dir; `cd $test_dir && pwd`)"
    MYSQL_CHECK_BDB_DIR([$test_dir])
    if test X"$bdb_dir_ok" = Xsource || test X"$bdb_dir_ok" = Xinstalled; then
dnl	echo "-----------> Found it ($bdb), ($srcdir)"
dnl     This is needed so that 'make distcheck' works properly (VPATH build).
dnl     VPATH build won't work if bdb is not under the source tree; but in
dnl     that case, hopefully people will just make and install inside the
dnl     tree, or install BDB first, and then use the installed version.
	case "$bdb" in
	"$srcdir/"* ) bdb=`echo "$bdb" | sed -e "s,^$srcdir/,,"` ;;
	esac
        break
    fi
  done
])

dnl MYSQL_CHECK_BDB_VERSION takes 3 arguments:
dnl     1)  the file to look in
dnl     2)  the search pattern before DB_VERSION_XXX
dnl     3)  the search pattern between DB_VERSION_XXX and the number
dnl It assumes that the number is the last thing on the line
AC_DEFUN([MYSQL_CHECK_BDB_VERSION], [
  db_major=`sed -e '/^[$2]DB_VERSION_MAJOR[$3]/ !d' -e 's///' [$1]`
  db_minor=`sed -e '/^[$2]DB_VERSION_MINOR[$3]/ !d' -e 's///' [$1]`
  db_patch=`sed -e '/^[$2]DB_VERSION_PATCH[$3]/ !d' -e 's///' [$1]`
  test -z "$db_major" && db_major=0
  test -z "$db_minor" && db_minor=0
  test -z "$db_patch" && db_patch=0

  # This is ugly, but about as good as it can get
#  mysql_bdb=
#  if test $db_major -eq 3 && test $db_minor -eq 2 && test $db_patch -eq 3
#  then
#    mysql_bdb=h
#  elif test $db_major -eq 3 && test $db_minor -eq 2 && test $db_patch -eq 9
#  then
#    want_bdb_version="3.2.9a"	# hopefully this will stay up-to-date
#    mysql_bdb=a
#  fi

dnl RAM:
want_bdb_version="4.1.24"
bdb_version_ok=yes

#  if test -n "$mysql_bdb" && \
#	grep "DB_VERSION_STRING.*:.*$mysql_bdb: " [$1] > /dev/null
#  then
#    bdb_version_ok=yes
#  else
#    bdb_version_ok="invalid version $db_major.$db_minor.$db_patch"
#    bdb_version_ok="$bdb_version_ok (must be version 3.2.3h or $want_bdb_version)"
#  fi
])

AC_DEFUN([MYSQL_TOP_BUILDDIR], [
  case "$[$1]" in
    /* ) ;;		# don't do anything with an absolute path
    "$srcdir"/* )
      # If BDB is under the source directory, we need to look under the
      # build directory for bdb/build_unix.
      # NOTE: I'm being lazy, and assuming the user did not specify
      # something like --with-berkeley-db=bdb (it would be missing "./").
      [$1]="\$(top_builddir)/"`echo "$[$1]" | sed -e "s,^$srcdir/,,"`
      ;;
    * )
      AC_MSG_ERROR([The BDB directory must be directly under the MySQL source directory, or be specified using the full path. ('$srcdir'; '$[$1]')])
      ;;
  esac
  if test X"$[$1]" != "/"
  then
    [$1]=`echo $[$1] | sed -e 's,/$,,'`
  fi
])

dnl ---------------------------------------------------------------------------
dnl END OF MYSQL_CHECK_BDB SECTION
dnl ---------------------------------------------------------------------------

dnl ---------------------------------------------------------------------------
dnl Macro: MYSQL_CHECK_INNODB
dnl Sets HAVE_INNOBASE_DB if --with-innodb is used
dnl ---------------------------------------------------------------------------

AC_DEFUN([MYSQL_CHECK_INNODB], [
  AC_ARG_WITH([innodb],
              [
  --without-innodb        Do not include the InnoDB table handler],
              [innodb="$withval"],
              [innodb=yes])

  AC_MSG_CHECKING([for Innodb])

  have_innodb=no
  innodb_includes=
  innodb_libs=
  case "$innodb" in
    yes )
      AC_MSG_RESULT([Using Innodb])
      AC_DEFINE(HAVE_INNOBASE_DB)
      have_innodb="yes"
      innodb_includes="-I../innobase/include"
      innodb_system_libs=""
dnl Some libs are listed several times, in order for gcc to sort out
dnl circular references.
      innodb_libs="\
 \$(top_builddir)/innobase/usr/libusr.a\
 \$(top_builddir)/innobase/srv/libsrv.a\
 \$(top_builddir)/innobase/dict/libdict.a\
 \$(top_builddir)/innobase/que/libque.a\
 \$(top_builddir)/innobase/srv/libsrv.a\
 \$(top_builddir)/innobase/ibuf/libibuf.a\
 \$(top_builddir)/innobase/row/librow.a\
 \$(top_builddir)/innobase/pars/libpars.a\
 \$(top_builddir)/innobase/btr/libbtr.a\
 \$(top_builddir)/innobase/trx/libtrx.a\
 \$(top_builddir)/innobase/read/libread.a\
 \$(top_builddir)/innobase/usr/libusr.a\
 \$(top_builddir)/innobase/buf/libbuf.a\
 \$(top_builddir)/innobase/ibuf/libibuf.a\
 \$(top_builddir)/innobase/eval/libeval.a\
 \$(top_builddir)/innobase/log/liblog.a\
 \$(top_builddir)/innobase/fsp/libfsp.a\
 \$(top_builddir)/innobase/fut/libfut.a\
 \$(top_builddir)/innobase/fil/libfil.a\
 \$(top_builddir)/innobase/lock/liblock.a\
 \$(top_builddir)/innobase/mtr/libmtr.a\
 \$(top_builddir)/innobase/page/libpage.a\
 \$(top_builddir)/innobase/rem/librem.a\
 \$(top_builddir)/innobase/thr/libthr.a\
 \$(top_builddir)/innobase/com/libcom.a\
 \$(top_builddir)/innobase/sync/libsync.a\
 \$(top_builddir)/innobase/data/libdata.a\
 \$(top_builddir)/innobase/mach/libmach.a\
 \$(top_builddir)/innobase/ha/libha.a\
 \$(top_builddir)/innobase/dyn/libdyn.a\
 \$(top_builddir)/innobase/mem/libmem.a\
 \$(top_builddir)/innobase/sync/libsync.a\
 \$(top_builddir)/innobase/ut/libut.a\
 \$(top_builddir)/innobase/os/libos.a\
 \$(top_builddir)/innobase/ut/libut.a"

      AC_CHECK_LIB(rt, aio_read, [innodb_system_libs="-lrt"])
      ;;
    * )
      AC_MSG_RESULT([Not using Innodb])
      ;;
  esac

  AC_SUBST(innodb_includes)
  AC_SUBST(innodb_libs)
  AC_SUBST(innodb_system_libs)
])

dnl ---------------------------------------------------------------------------
dnl END OF MYSQL_CHECK_INNODB SECTION
dnl ---------------------------------------------------------------------------

dnl By default, many hosts won't let programs access large files;
dnl one must use special compiler options to get large-file access to work.
dnl For more details about this brain damage please see:
dnl http://www.sas.com/standards/large.file/x_open.20Mar96.html

dnl Written by Paul Eggert <eggert@twinsun.com>.

dnl Internal subroutine of AC_SYS_LARGEFILE.
dnl AC_SYS_LARGEFILE_FLAGS(FLAGSNAME)
AC_DEFUN(AC_SYS_LARGEFILE_FLAGS,
  [AC_CACHE_CHECK([for $1 value to request large file support],
     ac_cv_sys_largefile_$1,
     [if ($GETCONF LFS_$1) >conftest.1 2>conftest.2 && test ! -s conftest.2
      then
        ac_cv_sys_largefile_$1=`cat conftest.1`
      else
	ac_cv_sys_largefile_$1=no
	ifelse($1, CFLAGS,
	  [case "$host_os" in
	   # HP-UX 10.20 requires -D__STDC_EXT__ with gcc 2.95.1.
changequote(, )dnl
	   hpux10.[2-9][0-9]* | hpux1[1-9]* | hpux[2-9][0-9]*)
changequote([, ])dnl
	     if test "$GCC" = yes; then
	        case `$CC --version 2>/dev/null` in
	          2.95.*) ac_cv_sys_largefile_CFLAGS=-D__STDC_EXT__ ;;
		esac
	     fi
	     ;;
	   # IRIX 6.2 and later require cc -n32.
changequote(, )dnl
	   irix6.[2-9]* | irix6.1[0-9]* | irix[7-9].* | irix[1-9][0-9]*)
changequote([, ])dnl
	     if test "$GCC" != yes; then
	       ac_cv_sys_largefile_CFLAGS=-n32
	     fi
	   esac
	   if test "$ac_cv_sys_largefile_CFLAGS" != no; then
	     ac_save_CC="$CC"
	     CC="$CC $ac_cv_sys_largefile_CFLAGS"
	     AC_TRY_LINK(, , , ac_cv_sys_largefile_CFLAGS=no)
	     CC="$ac_save_CC"
	   fi])
      fi
      rm -f conftest*])])

dnl Internal subroutine of AC_SYS_LARGEFILE.
dnl AC_SYS_LARGEFILE_SPACE_APPEND(VAR, VAL)
AC_DEFUN(AC_SYS_LARGEFILE_SPACE_APPEND,
  [case $2 in
   no) ;;
   ?*)
     case "[$]$1" in
     '') $1=$2 ;;
     *) $1=[$]$1' '$2 ;;
     esac ;;
   esac])

dnl Internal subroutine of AC_SYS_LARGEFILE.
dnl AC_SYS_LARGEFILE_MACRO_VALUE(C-MACRO, CACHE-VAR, COMMENT, CODE-TO-SET-DEFAULT)
AC_DEFUN(AC_SYS_LARGEFILE_MACRO_VALUE,
  [AC_CACHE_CHECK([for $1], $2,
     [$2=no
changequote(, )dnl
      for ac_flag in $ac_cv_sys_largefile_CFLAGS no; do
	case "$ac_flag" in
	-D$1)
	  $2=1 ;;
	-D$1=*)
	  $2=`expr " $ac_flag" : '[^=]*=\(.*\)'` ;;
	esac
      done
      $4
changequote([, ])dnl
      ])
   if test "[$]$2" != no; then
     AC_DEFINE_UNQUOTED([$1], [$]$2, [$3])
   fi])

AC_DEFUN(MYSQL_SYS_LARGEFILE,
  [AC_REQUIRE([AC_CANONICAL_HOST])
  AC_ARG_ENABLE(largefile,
     [  --disable-largefile     Omit support for large files])
   if test "$enable_largefile" != no; then
     AC_CHECK_TOOL(GETCONF, getconf)
     AC_SYS_LARGEFILE_FLAGS(CFLAGS)
     AC_SYS_LARGEFILE_FLAGS(LDFLAGS)
     AC_SYS_LARGEFILE_FLAGS(LIBS)

     for ac_flag in $ac_cv_sys_largefile_CFLAGS no; do
       case "$ac_flag" in
       no) ;;
       -D_FILE_OFFSET_BITS=*) ;;
       -D_LARGEFILE_SOURCE | -D_LARGEFILE_SOURCE=*) ;;
       -D_LARGE_FILES | -D_LARGE_FILES=*) ;;
       -D?* | -I?*)
	 AC_SYS_LARGEFILE_SPACE_APPEND(CPPFLAGS, "$ac_flag") ;;
       *)
	 AC_SYS_LARGEFILE_SPACE_APPEND(CFLAGS, "$ac_flag") ;;
       esac
     done
     AC_SYS_LARGEFILE_SPACE_APPEND(LDFLAGS, "$ac_cv_sys_largefile_LDFLAGS")
     AC_SYS_LARGEFILE_SPACE_APPEND(LIBS, "$ac_cv_sys_largefile_LIBS")

     AC_SYS_LARGEFILE_MACRO_VALUE(_FILE_OFFSET_BITS,
       ac_cv_sys_file_offset_bits,
       [Number of bits in a file offset, on hosts where this is settable.],
       [case "$host_os" in
	# HP-UX 10.20 and later
	hpux10.[2-9][0-9]* | hpux1[1-9]* | hpux[2-9][0-9]*)
	  ac_cv_sys_file_offset_bits=64 ;;
	# We can't declare _FILE_OFFSET_BITS here as this will cause
	# compile errors as AC_PROG_CC adds include files in confdefs.h
	# We solve this (until autoconf is fixed) by instead declaring it
	# as define instead
	solaris2.[8,9])
	  CFLAGS="$CFLAGS -D_FILE_OFFSET_BITS=64"
	  CXXFLAGS="$CXXFLAGS -D_FILE_OFFSET_BITS=64"
	  ac_cv_sys_file_offset_bits=no ;;
	esac])
     AC_SYS_LARGEFILE_MACRO_VALUE(_LARGEFILE_SOURCE,
       ac_cv_sys_largefile_source,
       [Define to make fseeko etc. visible, on some hosts.],
       [case "$host_os" in
	# HP-UX 10.20 and later
	hpux10.[2-9][0-9]* | hpux1[1-9]* | hpux[2-9][0-9]*)
	  ac_cv_sys_largefile_source=1 ;;
	esac])
     AC_SYS_LARGEFILE_MACRO_VALUE(_LARGE_FILES,
       ac_cv_sys_large_files,
       [Define for large files, on AIX-style hosts.],
       [case "$host_os" in
	# AIX 4.2 and later
	aix4.[2-9]* | aix4.1[0-9]* | aix[5-9].* | aix[1-9][0-9]*)
	  ac_cv_sys_large_files=1 ;;
	esac])
   fi
  ])


# Local version of _AC_PROG_CXX_EXIT_DECLARATION that does not
# include #stdlib.h as default as this breaks things on Solaris
# (Conflicts with pthreads and big file handling)

m4_define([_AC_PROG_CXX_EXIT_DECLARATION],
[for ac_declaration in \
   ''\
   'extern "C" void std::exit (int) throw (); using std::exit;' \
   'extern "C" void std::exit (int); using std::exit;' \
   'extern "C" void exit (int) throw ();' \
   'extern "C" void exit (int);' \
   'void exit (int);' \
   '#include <stdlib.h>'
do
  _AC_COMPILE_IFELSE([AC_LANG_PROGRAM([@%:@include <stdlib.h>
$ac_declaration],
                                      [exit (42);])],
                     [],
                     [continue])
  _AC_COMPILE_IFELSE([AC_LANG_PROGRAM([$ac_declaration],
                                      [exit (42);])],
                     [break])
done
rm -f conftest*
if test -n "$ac_declaration"; then
  echo '#ifdef __cplusplus' >>confdefs.h
  echo $ac_declaration      >>confdefs.h
  echo '#endif'             >>confdefs.h
fi
])# _AC_PROG_CXX_EXIT_DECLARATION

dnl ---------------------------------------------------------------------------