summaryrefslogtreecommitdiffstats
path: root/win/tcl.m4
blob: c0dd539330140ee758a67d0a2fea2a90be6b4321 (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
#------------------------------------------------------------------------
# SC_PATH_TCLCONFIG --
#
#	Locate the tclConfig.sh file and perform a sanity check on
#	the Tcl compile flags
#
# Arguments:
#	none
#
# Results:
#
#	Adds the following arguments to configure:
#		--with-tcl=...
#
#	Defines the following vars:
#		TCL_BIN_DIR	Full path to the directory containing
#				the tclConfig.sh file
#------------------------------------------------------------------------

AC_DEFUN([SC_PATH_TCLCONFIG], [
    #
    # Ok, lets find the tcl configuration
    # First, look for one uninstalled.
    # the alternative search directory is invoked by --with-tcl
    #

    if test x"${no_tcl}" = x ; then
	# we reset no_tcl in case something fails here
	no_tcl=true
	AC_ARG_WITH(tcl,
	    AC_HELP_STRING([--with-tcl],
		[directory containing tcl configuration (tclConfig.sh)]),
	    with_tclconfig="${withval}")
	AC_MSG_CHECKING([for Tcl configuration])
	AC_CACHE_VAL(ac_cv_c_tclconfig,[

	    # First check to see if --with-tcl was specified.
	    if test x"${with_tclconfig}" != x ; then
		case "${with_tclconfig}" in
		    */tclConfig.sh )
			if test -f "${with_tclconfig}"; then
			    AC_MSG_WARN([--with-tcl argument should refer to directory containing tclConfig.sh, not to tclConfig.sh itself])
			    with_tclconfig="`echo "${with_tclconfig}" | sed 's!/tclConfig\.sh$!!'`"
			fi ;;
		esac
		if test -f "${with_tclconfig}/tclConfig.sh" ; then
		    ac_cv_c_tclconfig="`(cd "${with_tclconfig}"; pwd)`"
		else
		    AC_MSG_ERROR([${with_tclconfig} directory doesn't contain tclConfig.sh])
		fi
	    fi

	    # then check for a private Tcl installation
	    if test x"${ac_cv_c_tclconfig}" = x ; then
		for i in \
			../tcl \
			`ls -dr ../tcl[[8-9]].[[0-9]].[[0-9]]* 2>/dev/null` \
			`ls -dr ../tcl[[8-9]].[[0-9]] 2>/dev/null` \
			`ls -dr ../tcl[[8-9]].[[0-9]]* 2>/dev/null` \
			../../tcl \
			`ls -dr ../../tcl[[8-9]].[[0-9]].[[0-9]]* 2>/dev/null` \
			`ls -dr ../../tcl[[8-9]].[[0-9]] 2>/dev/null` \
			`ls -dr ../../tcl[[8-9]].[[0-9]]* 2>/dev/null` \
			../../../tcl \
			`ls -dr ../../../tcl[[8-9]].[[0-9]].[[0-9]]* 2>/dev/null` \
			`ls -dr ../../../tcl[[8-9]].[[0-9]] 2>/dev/null` \
			`ls -dr ../../../tcl[[8-9]].[[0-9]]* 2>/dev/null` ; do
		    if test -f "$i/win/tclConfig.sh" ; then
			ac_cv_c_tclconfig="`(cd $i/win; pwd)`"
			break
		    fi
		done
	    fi

	    # check in a few common install locations
	    if test x"${ac_cv_c_tclconfig}" = x ; then
		for i in `ls -d ${libdir} 2>/dev/null` \
			`ls -d ${exec_prefix}/lib 2>/dev/null` \
			`ls -d ${prefix}/lib 2>/dev/null` \
			`ls -d /cygdrive/c/Tcl/lib 2>/dev/null` \
			`ls -d /cygdrive/c/Progra~1/Tcl/lib 2>/dev/null` \
			`ls -d /c/Tcl/lib 2>/dev/null` \
			`ls -d /c/Progra~1/Tcl/lib 2>/dev/null` \
			`ls -d C:/Tcl/lib 2>/dev/null` \
			`ls -d C:/Progra~1/Tcl/lib 2>/dev/null` \
			; do
		    if test -f "$i/tclConfig.sh" ; then
			ac_cv_c_tclconfig="`(cd $i; pwd)`"
			break
		    fi
		done
	    fi

	    # check in a few other private locations
	    if test x"${ac_cv_c_tclconfig}" = x ; then
		for i in \
			${srcdir}/../tcl \
			`ls -dr ${srcdir}/../tcl[[8-9]].[[0-9]].[[0-9]]* 2>/dev/null` \
			`ls -dr ${srcdir}/../tcl[[8-9]].[[0-9]] 2>/dev/null` \
			`ls -dr ${srcdir}/../tcl[[8-9]].[[0-9]]* 2>/dev/null` ; do
		    if test -f "$i/win/tclConfig.sh" ; then
		    ac_cv_c_tclconfig="`(cd $i/win; pwd)`"
		    break
		fi
		done
	    fi
	])

	if test x"${ac_cv_c_tclconfig}" = x ; then
	    TCL_BIN_DIR="# no Tcl configs found"
	    AC_MSG_ERROR([Can't find Tcl configuration definitions. Use --with-tcl to specify a directory containing tclConfig.sh])
	else
	    no_tcl=
	    TCL_BIN_DIR="${ac_cv_c_tclconfig}"
	    AC_MSG_RESULT([found ${TCL_BIN_DIR}/tclConfig.sh])
	fi
    fi
])

#------------------------------------------------------------------------
# SC_PATH_TKCONFIG --
#
#	Locate the tkConfig.sh file
#
# Arguments:
#	none
#
# Results:
#
#	Adds the following arguments to configure:
#		--with-tk=...
#
#	Defines the following vars:
#		TK_BIN_DIR	Full path to the directory containing
#				the tkConfig.sh file
#------------------------------------------------------------------------

AC_DEFUN([SC_PATH_TKCONFIG], [
    #
    # Ok, lets find the tk configuration
    # First, look for one uninstalled.
    # the alternative search directory is invoked by --with-tk
    #

    if test x"${no_tk}" = x ; then
	# we reset no_tk in case something fails here
	no_tk=true
	AC_ARG_WITH(tk,
	    AC_HELP_STRING([--with-tk],
		[directory containing tk configuration (tkConfig.sh)]),
	    with_tkconfig="${withval}")
	AC_MSG_CHECKING([for Tk configuration])
	AC_CACHE_VAL(ac_cv_c_tkconfig,[

	    # First check to see if --with-tkconfig was specified.
	    if test x"${with_tkconfig}" != x ; then
		case "${with_tkconfig}" in
		    */tkConfig.sh )
			if test -f "${with_tkconfig}"; then
			    AC_MSG_WARN([--with-tk argument should refer to directory containing tkConfig.sh, not to tkConfig.sh itself])
			    with_tkconfig="`echo "${with_tkconfig}" | sed 's!/tkConfig\.sh$!!'`"
			fi ;;
		esac
		if test -f "${with_tkconfig}/tkConfig.sh" ; then
		    ac_cv_c_tkconfig="`(cd "${with_tkconfig}"; pwd)`"
		else
		    AC_MSG_ERROR([${with_tkconfig} directory doesn't contain tkConfig.sh])
		fi
	    fi

	    # then check for a private Tk library
	    if test x"${ac_cv_c_tkconfig}" = x ; then
		for i in \
			../tk \
			`ls -dr ../tk[[8-9]].[[0-9]].[[0-9]]* 2>/dev/null` \
			`ls -dr ../tk[[8-9]].[[0-9]] 2>/dev/null` \
			`ls -dr ../tk[[8-9]].[[0-9]]* 2>/dev/null` \
			../../tk \
			`ls -dr ../../tk[[8-9]].[[0-9]].[[0-9]]* 2>/dev/null` \
			`ls -dr ../../tk[[8-9]].[[0-9]] 2>/dev/null` \
			`ls -dr ../../tk[[8-9]].[[0-9]]* 2>/dev/null` \
			../../../tk \
			`ls -dr ../../../tk[[8-9]].[[0-9]].[[0-9]]* 2>/dev/null` \
			`ls -dr ../../../tk[[8-9]].[[0-9]] 2>/dev/null` \
			`ls -dr ../../../tk[[8-9]].[[0-9]]* 2>/dev/null` ; do
		    if test -f "$i/win/tkConfig.sh" ; then
			ac_cv_c_tkconfig="`(cd $i/win; pwd)`"
			break
		    fi
		done
	    fi

	    # check in a few common install locations
	    if test x"${ac_cv_c_tkconfig}" = x ; then
		for i in `ls -d ${libdir} 2>/dev/null` \
			`ls -d ${exec_prefix}/lib 2>/dev/null` \
			`ls -d ${prefix}/lib 2>/dev/null` \
			`ls -d /cygdrive/c/Tcl/lib 2>/dev/null` \
			`ls -d /cygdrive/c/Progra~1/Tcl/lib 2>/dev/null` \
			`ls -d /c/Tcl/lib 2>/dev/null` \
			`ls -d /c/Progra~1/Tcl/lib 2>/dev/null` \
			`ls -d C:/Tcl/lib 2>/dev/null` \
			`ls -d C:/Progra~1/Tcl/lib 2>/dev/null` \
			; do
		    if test -f "$i/tkConfig.sh" ; then
			ac_cv_c_tkconfig="`(cd $i; pwd)`"
			break
		    fi
		done
	    fi

	    # check in a few other private locations
	    if test x"${ac_cv_c_tkconfig}" = x ; then
		for i in \
			${srcdir}/../tk \
			`ls -dr ${srcdir}/../tk[[8-9]].[[0-9]].[[0-9]]* 2>/dev/null` \
			`ls -dr ${srcdir}/../tk[[8-9]].[[0-9]] 2>/dev/null` \
			`ls -dr ${srcdir}/../tk[[8-9]].[[0-9]]* 2>/dev/null` ; do
		    if test -f "$i/win/tkConfig.sh" ; then
			ac_cv_c_tkconfig="`(cd $i/win; pwd)`"
			break
		    fi
		done
	    fi
	])

	if test x"${ac_cv_c_tkconfig}" = x ; then
	    TK_BIN_DIR="# no Tk configs found"
	    AC_MSG_ERROR([Can't find Tk configuration definitions. Use --with-tk to specify a directory containing tkConfig.sh])
	else
	    no_tk=
	    TK_BIN_DIR="${ac_cv_c_tkconfig}"
	    AC_MSG_RESULT([found ${TK_BIN_DIR}/tkConfig.sh])
	fi
    fi
])

#------------------------------------------------------------------------
# SC_LOAD_TCLCONFIG --
#
#	Load the tclConfig.sh file.
#
# Arguments:
#
#	Requires the following vars to be set:
#		TCL_BIN_DIR
#
# Results:
#
#	Substitutes the following vars:
#		TCL_BIN_DIR
#		TCL_SRC_DIR
#		TCL_LIB_FILE
#		TCL_ZIP_FILE
#
#------------------------------------------------------------------------

AC_DEFUN([SC_LOAD_TCLCONFIG], [
    AC_MSG_CHECKING([for existence of ${TCL_BIN_DIR}/tclConfig.sh])

    if test -f "${TCL_BIN_DIR}/tclConfig.sh" ; then
        AC_MSG_RESULT([loading])
	. "${TCL_BIN_DIR}/tclConfig.sh"
    else
        AC_MSG_RESULT([could not find ${TCL_BIN_DIR}/tclConfig.sh])
    fi

    #
    # If the TCL_BIN_DIR is the build directory (not the install directory),
    # then set the common variable name to the value of the build variables.
    # For example, the variable TCL_LIB_SPEC will be set to the value
    # of TCL_BUILD_LIB_SPEC. An extension should make use of TCL_LIB_SPEC
    # instead of TCL_BUILD_LIB_SPEC since it will work with both an
    # installed and uninstalled version of Tcl.
    #

    if test -f $TCL_BIN_DIR/Makefile ; then
        TCL_LIB_SPEC=${TCL_BUILD_LIB_SPEC}
        TCL_STUB_LIB_SPEC=${TCL_BUILD_STUB_LIB_SPEC}
        TCL_STUB_LIB_PATH=${TCL_BUILD_STUB_LIB_PATH}
    fi

    #
    # eval is required to do the TCL_DBGX substitution
    #

    eval "TCL_ZIP_FILE=\"${TCL_ZIP_FILE}\""
    eval "TCL_LIB_FILE=\"${TCL_LIB_FILE}\""
    eval "TCL_LIB_FLAG=\"${TCL_LIB_FLAG}\""
    eval "TCL_LIB_SPEC=\"${TCL_LIB_SPEC}\""

    eval "TCL_STUB_LIB_FILE=\"${TCL_STUB_LIB_FILE}\""
    eval "TCL_STUB_LIB_FLAG=\"${TCL_STUB_LIB_FLAG}\""
    eval "TCL_STUB_LIB_SPEC=\"${TCL_STUB_LIB_SPEC}\""

    AC_SUBST(TCL_VERSION)
    AC_SUBST(TCL_BIN_DIR)
    AC_SUBST(TCL_SRC_DIR)

    AC_SUBST(TCL_ZIP_FILE)
    AC_SUBST(TCL_LIB_FILE)
    AC_SUBST(TCL_LIB_FLAG)
    AC_SUBST(TCL_LIB_SPEC)

    AC_SUBST(TCL_STUB_LIB_FILE)
    AC_SUBST(TCL_STUB_LIB_FLAG)
    AC_SUBST(TCL_STUB_LIB_SPEC)

    AC_SUBST(TCL_DEFS)
])

#------------------------------------------------------------------------
# SC_LOAD_TKCONFIG --
#
#	Load the tkConfig.sh file
#
# Arguments:
#
#	Requires the following vars to be set:
#		TK_BIN_DIR
#
# Results:
#
#	Sets the following vars that should be in tkConfig.sh:
#		TK_BIN_DIR
#------------------------------------------------------------------------

AC_DEFUN([SC_LOAD_TKCONFIG], [
    AC_MSG_CHECKING([for existence of ${TK_BIN_DIR}/tkConfig.sh])

    if test -f "${TK_BIN_DIR}/tkConfig.sh" ; then
        AC_MSG_RESULT([loading])
	. "${TK_BIN_DIR}/tkConfig.sh"
    else
        AC_MSG_RESULT([could not find ${TK_BIN_DIR}/tkConfig.sh])
    fi


    AC_SUBST(TK_BIN_DIR)
    AC_SUBST(TK_SRC_DIR)
    AC_SUBST(TK_LIB_FILE)
])

#------------------------------------------------------------------------
# SC_ENABLE_SHARED --
#
#	Allows the building of shared libraries
#
# Arguments:
#	none
#
# Results:
#
#	Adds the following arguments to configure:
#		--enable-shared=yes|no
#
#	Defines the following vars:
#		STATIC_BUILD	Used for building import/export libraries
#				on Windows.
#
#	Sets the following vars:
#		SHARED_BUILD	Value of 1 or 0
#------------------------------------------------------------------------

AC_DEFUN([SC_ENABLE_SHARED], [
    AC_MSG_CHECKING([how to build libraries])
    AC_ARG_ENABLE(shared,
	[  --enable-shared         build and link with shared libraries (default: on)],
	[tcl_ok=$enableval], [tcl_ok=yes])

    if test "${enable_shared+set}" = set; then
	enableval="$enable_shared"
	tcl_ok=$enableval
    else
	tcl_ok=yes
    fi

    if test "$tcl_ok" = "yes" ; then
	AC_MSG_RESULT([shared])
	SHARED_BUILD=1
    else
	AC_MSG_RESULT([static])
	SHARED_BUILD=0
	AC_DEFINE(STATIC_BUILD, 1, [Is this a static build?])
    fi
    AC_SUBST(SHARED_BUILD)
])

#------------------------------------------------------------------------
# SC_ENABLE_SYMBOLS --
#
#	Specify if debugging symbols should be used.
#	Memory (TCL_MEM_DEBUG) and compile (TCL_COMPILE_DEBUG) debugging
#	can also be enabled.
#
# Arguments:
#	none
#
#	Requires the following vars to be set in the Makefile:
#		CFLAGS_DEBUG
#		CFLAGS_OPTIMIZE
#
# Results:
#
#	Adds the following arguments to configure:
#		--enable-symbols
#
#	Defines the following vars:
#		CFLAGS_DEFAULT	Sets to $(CFLAGS_DEBUG) if true
#				Sets to $(CFLAGS_OPTIMIZE) if false
#		LDFLAGS_DEFAULT	Sets to $(LDFLAGS_DEBUG) if true
#				Sets to $(LDFLAGS_OPTIMIZE) if false
#		DBGX		Debug library extension
#
#------------------------------------------------------------------------

AC_DEFUN([SC_ENABLE_SYMBOLS], [
    AC_MSG_CHECKING([for build with symbols])
    AC_ARG_ENABLE(symbols, [  --enable-symbols        build with debugging symbols (default: off)],    [tcl_ok=$enableval], [tcl_ok=no])
# FIXME: Currently, LDFLAGS_DEFAULT is not used, it should work like CFLAGS_DEFAULT.
    if test "$tcl_ok" = "no"; then
	CFLAGS_DEFAULT='$(CFLAGS_OPTIMIZE)'
	LDFLAGS_DEFAULT='$(LDFLAGS_OPTIMIZE)'
	DBGX=""
	AC_DEFINE(NDEBUG, 1, [Is no debugging enabled?])
	AC_MSG_RESULT([no])

	AC_DEFINE(TCL_CFG_OPTIMIZED)
    else
	CFLAGS_DEFAULT='$(CFLAGS_DEBUG)'
	LDFLAGS_DEFAULT='$(LDFLAGS_DEBUG)'
	DBGX=g
	if test "$tcl_ok" = "yes"; then
	    AC_MSG_RESULT([yes (standard debugging)])
	fi
    fi
    AC_SUBST(CFLAGS_DEFAULT)
    AC_SUBST(LDFLAGS_DEFAULT)

    if test "$tcl_ok" = "mem" -o "$tcl_ok" = "all"; then
	AC_DEFINE(TCL_MEM_DEBUG, 1, [Is memory debugging enabled?])
    fi

    if test "$tcl_ok" = "compile" -o "$tcl_ok" = "all"; then
	AC_DEFINE(TCL_COMPILE_DEBUG, 1, [Is bytecode debugging enabled?])
	AC_DEFINE(TCL_COMPILE_STATS, 1, [Are bytecode statistics enabled?])
    fi

    if test "$tcl_ok" != "yes" -a "$tcl_ok" != "no"; then
	if test "$tcl_ok" = "all"; then
	    AC_MSG_RESULT([enabled symbols mem compile debugging])
	else
	    AC_MSG_RESULT([enabled $tcl_ok debugging])
	fi
    fi
])

#--------------------------------------------------------------------
# SC_CONFIG_CFLAGS
#
#	Try to determine the proper flags to pass to the compiler
#	for building shared libraries and other such nonsense.
#
#	NOTE: The backslashes in quotes below are substituted twice
#	due to the fact that they are in a macro and then inlined
#	in the final configure script.
#
# Arguments:
#	none
#
# Results:
#
#	Can the following vars:
#		EXTRA_CFLAGS
#		CFLAGS_DEBUG
#		CFLAGS_OPTIMIZE
#		CFLAGS_WARNING
#		LDFLAGS_DEBUG
#		LDFLAGS_OPTIMIZE
#		LDFLAGS_CONSOLE
#		LDFLAGS_WINDOW
#		CC_OBJNAME
#		CC_EXENAME
#		CYGPATH
#		STLIB_LD
#		SHLIB_LD
#		SHLIB_LD_LIBS
#		LIBS
#		AR
#		RC
#		RES
#
#		MAKE_LIB
#		MAKE_STUB_LIB
#		MAKE_EXE
#		MAKE_DLL
#
#		LIBSUFFIX
#		LIBFLAGSUFFIX
#		LIBPREFIX
#		LIBRARIES
#		EXESUFFIX
#		DLLSUFFIX
#
#--------------------------------------------------------------------

AC_DEFUN([SC_CONFIG_CFLAGS], [

    # Step 0: Enable 64 bit support?

    AC_MSG_CHECKING([if 64bit support is requested])
    AC_ARG_ENABLE(64bit,[  --enable-64bit          enable 64bit support (where applicable)], [do64bit=$enableval], [do64bit=no])
    AC_MSG_RESULT($do64bit)

    # Set some defaults (may get changed below)
    EXTRA_CFLAGS=""
	AC_DEFINE(MODULE_SCOPE, [extern], [No need to mark inidividual symbols as hidden])

    AC_CHECK_PROG(CYGPATH, cygpath, cygpath -m, echo)
    AC_CHECK_PROG(WINE, wine, wine,)

    SHLIB_SUFFIX=".dll"

    # MACHINE is IX86 for LINK, but this is used by the manifest,
    # which requires x86|amd64|ia64.
    MACHINE="X86"

    if test "$GCC" = "yes"; then

      AC_CACHE_CHECK(for cross-compile version of gcc,
	ac_cv_cross,
	AC_TRY_COMPILE([
	    #ifndef _WIN32
		#error cross-compiler
	    #endif
	], [],
	ac_cv_cross=no,
	ac_cv_cross=yes)
      )

      if test "$ac_cv_cross" = "yes"; then
	case "$do64bit" in
	    amd64|x64|yes)
		CC="x86_64-w64-mingw32-gcc"
		LD="x86_64-w64-mingw32-ld"
		AR="x86_64-w64-mingw32-ar"
		RANLIB="x86_64-w64-mingw32-ranlib"
		RC="x86_64-w64-mingw32-windres"
	    ;;
	    *)
		CC="i686-w64-mingw32-gcc"
		LD="i686-w64-mingw32-ld"
		AR="i686-w64-mingw32-ar"
		RANLIB="i686-w64-mingw32-ranlib"
		RC="i686-w64-mingw32-windres"
	    ;;
	esac
      fi
    fi

    # Check for a bug in gcc's windres that causes the
    # compile to fail when a Windows native path is
    # passed into windres. The mingw toolchain requires
    # Windows native paths while Cygwin should work
    # with both. Avoid the bug by passing a POSIX
    # path when using the Cygwin toolchain.

    if test "$GCC" = "yes" && test "$CYGPATH" != "echo" ; then
	conftest=/tmp/conftest.rc
	echo "STRINGTABLE BEGIN" > $conftest
	echo "101 \"name\"" >> $conftest
	echo "END" >> $conftest

	AC_MSG_CHECKING([for Windows native path bug in windres])
	cyg_conftest=`$CYGPATH $conftest`
	if AC_TRY_COMMAND($RC -o conftest.res.o $cyg_conftest) ; then
	    AC_MSG_RESULT([no])
	else
	    AC_MSG_RESULT([yes])
	    CYGPATH=echo
	fi
	conftest=
	cyg_conftest=
    fi

    if test "$CYGPATH" = "echo"; then
        DEPARG='"$<"'
    else
        DEPARG='"$(shell $(CYGPATH) $<)"'
    fi

    # set various compiler flags depending on whether we are using gcc or cl

    if test "${GCC}" = "yes" ; then
	extra_cflags="-pipe"
	extra_ldflags="-pipe -static-libgcc"
	AC_CACHE_CHECK(for mingw32 version of gcc,
	    ac_cv_win32,
	    AC_TRY_COMPILE([
		#ifdef _WIN32
		    #error win32
		#endif
	    ], [],
	    ac_cv_win32=no,
	    ac_cv_win32=yes)
	)
	if test "$ac_cv_win32" != "yes"; then
	    AC_MSG_ERROR([${CC} cannot produce win32 executables.])
	fi

	hold_cflags=$CFLAGS; CFLAGS="$CFLAGS -mwindows -municode -Dmain=xxmain"
	AC_CACHE_CHECK(for working -municode linker flag,
	    ac_cv_municode,
	AC_TRY_LINK([
	#include <windows.h>
	int APIENTRY wWinMain(HINSTANCE a, HINSTANCE b, LPWSTR c, int d) {return 0;}
	],
	[],
	    ac_cv_municode=yes,
	    ac_cv_municode=no)
	)
	CFLAGS=$hold_cflags
	if test "$ac_cv_municode" = "yes" ; then
	    extra_ldflags="$extra_ldflags -municode"
	else
	    extra_cflags="$extra_cflags -DTCL_BROKEN_MAINARGS"
	fi
    fi

    AC_MSG_CHECKING([compiler flags])
    if test "${GCC}" = "yes" ; then
	SHLIB_LD=""
	SHLIB_LD_LIBS='${LIBS}'
	LIBS="-lnetapi32 -lkernel32 -luser32 -ladvapi32 -luserenv -lws2_32"
	# mingw needs to link ole32 and oleaut32 for [send], but MSVC doesn't
	LIBS_GUI="-lgdi32 -lcomdlg32 -limm32 -lcomctl32 -lshell32 -luuid -lole32 -loleaut32"
	STLIB_LD='${AR} cr'
	RC_OUT=-o
	RC_TYPE=
	RC_INCLUDE=--include
	RC_DEFINE=--define
	RES=res.o
	MAKE_LIB="\${STLIB_LD} \[$]@"
	MAKE_STUB_LIB="\${STLIB_LD} \[$]@"
	POST_MAKE_LIB="\${RANLIB} \[$]@"
	MAKE_EXE="\${CC} -o \[$]@"
	LIBPREFIX="lib"

	if test "${SHARED_BUILD}" = "0" ; then
	    # static
            AC_MSG_RESULT([using static flags])
	    runtime=
	    LIBRARIES="\${STATIC_LIBRARIES}"
	    EXESUFFIX="s\${DBGX}.exe"
	else
	    # dynamic
            AC_MSG_RESULT([using shared flags])

	    # ad-hoc check to see if CC supports -shared.
	    if "${CC}" -shared 2>&1 | egrep ': -shared not supported' >/dev/null; then
		AC_MSG_ERROR([${CC} does not support the -shared option.
                You will need to upgrade to a newer version of the toolchain.])
	    fi

	    runtime=
	    # Add SHLIB_LD_LIBS to the Make rule, not here.

	    EXESUFFIX="\${DBGX}.exe"
	    LIBRARIES="\${SHARED_LIBRARIES}"
	fi
	# Link with gcc since ld does not link to default libs like
	# -luser32 and -lmsvcrt by default.
	SHLIB_LD='${CC} -shared'
	SHLIB_LD_LIBS='${LIBS}'
	MAKE_DLL="\${SHLIB_LD} \$(LDFLAGS) -o \[$]@ ${extra_ldflags} \
	    -Wl,--out-implib,\$(patsubst %.dll,lib%.a,\[$]@)"
	# DLLSUFFIX is separate because it is the building block for
	# users of tclConfig.sh that may build shared or static.
	DLLSUFFIX="\${DBGX}.dll"
	LIBSUFFIX="\${DBGX}.a"
	LIBFLAGSUFFIX="\${DBGX}"
	SHLIB_SUFFIX=.dll

	EXTRA_CFLAGS="${extra_cflags}"

	CFLAGS_DEBUG=-g
	CFLAGS_OPTIMIZE="-O2 -fomit-frame-pointer"
	CFLAGS_WARNING="-Wall -Wwrite-strings -Wsign-compare -Wdeclaration-after-statement -Wpointer-arith"
	LDFLAGS_DEBUG=
	LDFLAGS_OPTIMIZE=

	# Specify the CC output file names based on the target name
	CC_OBJNAME="-o \[$]@"
	CC_EXENAME="-o \[$]@"

	# Specify linker flags depending on the type of app being
	# built -- Console vs. Window.
	#
	# ORIGINAL COMMENT:
	# We need to pass -e _WinMain@16 so that ld will use
	# WinMain() instead of main() as the entry point. We can't
	# use autoconf to check for this case since it would need
	# to run an executable and that does not work when
	# cross compiling. Remove this -e workaround once we
	# require a gcc that does not have this bug.
	#
	# MK NOTE: Tk should use a different mechanism. This causes
	# interesting problems, such as wish dying at startup.
	#LDFLAGS_WINDOW="-mwindows -e _WinMain@16 ${extra_ldflags}"
	LDFLAGS_CONSOLE="-mconsole ${extra_ldflags}"
	LDFLAGS_WINDOW="-mwindows ${extra_ldflags}"

	case "$do64bit" in
	    amd64|x64|yes)
		MACHINE="AMD64" ; # assume AMD64 as default 64-bit build
		AC_MSG_RESULT([   Using 64-bit $MACHINE mode])
		;;
	    ia64)
		MACHINE="IA64"
		AC_MSG_RESULT([   Using 64-bit $MACHINE mode])
		;;
	    *)
		AC_TRY_COMPILE([
		    #ifndef _WIN64
			#error 32-bit
		    #endif
		], [],
			tcl_win_64bit=yes,
			tcl_win_64bit=no
		)
		if test "$tcl_win_64bit" = "yes" ; then
			do64bit=amd64
			MACHINE="AMD64"
			AC_MSG_RESULT([   Using 64-bit $MACHINE mode])
		fi
		;;
	esac
    else
	if test "${SHARED_BUILD}" = "0" ; then
	    # static
            AC_MSG_RESULT([using static flags])
	    runtime=-MT
	    LIBRARIES="\${STATIC_LIBRARIES}"
	    EXESUFFIX="s\${DBGX}.exe"
	else
	    # dynamic
            AC_MSG_RESULT([using shared flags])
	    runtime=-MD
	    # Add SHLIB_LD_LIBS to the Make rule, not here.
	    LIBRARIES="\${SHARED_LIBRARIES}"
	    EXESUFFIX="\${DBGX}.exe"
	    case "x`echo \${VisualStudioVersion}`" in
		x1[[4-9]]*)
		    lflags="${lflags} -nodefaultlib:libucrt.lib"
		    ;;
		*)
		    ;;
	    esac
	fi
	MAKE_DLL="\${SHLIB_LD} \$(LDFLAGS) -out:\[$]@"
	# DLLSUFFIX is separate because it is the building block for
	# users of tclConfig.sh that may build shared or static.
	DLLSUFFIX="\${DBGX}.dll"
	LIBSUFFIX="\${DBGX}.lib"
	LIBFLAGSUFFIX="\${DBGX}"

	# This is a 2-stage check to make sure we have the 64-bit SDK
	# We have to know where the SDK is installed.
	# This magic is based on MS Platform SDK for Win2003 SP1 - hobbs
	if test "$do64bit" != "no" ; then
	    if test "x${MSSDK}x" = "xx" ; then
		MSSDK="C:/Progra~1/Microsoft Platform SDK"
	    fi
	    MSSDK=`echo "$MSSDK" | sed -e 's!\\\!/!g'`
	    PATH64=""
	    case "$do64bit" in
		amd64|x64|yes)
		    MACHINE="AMD64" ; # assume AMD64 as default 64-bit build
		    PATH64="${MSSDK}/Bin/Win64/x86/AMD64"
		    ;;
		ia64)
		    MACHINE="IA64"
		    PATH64="${MSSDK}/Bin/Win64"
		    ;;
	    esac
	    if test ! -d "${PATH64}" ; then
		AC_MSG_WARN([Could not find 64-bit $MACHINE SDK])
	    fi
	    AC_MSG_RESULT([   Using 64-bit $MACHINE mode])
	fi

	LIBS="netapi32.lib kernel32.lib user32.lib advapi32.lib userenv.lib ws2_32.lib"

	case "x`echo \${VisualStudioVersion}`" in
		x1[[4-9]]*)
		    LIBS="$LIBS ucrt.lib"
		    ;;
		*)
		    ;;
	esac

	if test "$do64bit" != "no" ; then
	    # The space-based-path will work for the Makefile, but will
	    # not work if AC_TRY_COMPILE is called.  TEA has the
	    # TEA_PATH_NOSPACE to avoid this issue.
	    # Check if _WIN64 is already recognized, and if so we don't
	    # need to modify CC.
	    AC_CHECK_DECL([_WIN64], [],
			  [CC="\"${PATH64}/cl.exe\" -I\"${MSSDK}/Include\" \
			 -I\"${MSSDK}/Include/crt\" \
			 -I\"${MSSDK}/Include/crt/sys\""])
	    RC="\"${MSSDK}/bin/rc.exe\""
	    CFLAGS_DEBUG="-nologo -Zi -Od ${runtime}d"
	    # Do not use -O2 for Win64 - this has proved buggy in code gen.
	    CFLAGS_OPTIMIZE="-nologo -O1 ${runtime}"
	    lflags="${lflags} -nologo -MACHINE:${MACHINE} -LIBPATH:\"${MSSDK}/Lib/${MACHINE}\""
	    LINKBIN="\"${PATH64}/link.exe\""
	    # Avoid 'unresolved external symbol __security_cookie' errors.
	    # c.f. http://support.microsoft.com/?id=894573
	    LIBS="$LIBS bufferoverflowU.lib"
	else
	    RC="rc"
	    # -Od - no optimization
	    # -WX - warnings as errors
	    CFLAGS_DEBUG="-nologo -Z7 -Od -WX ${runtime}d"
	    # -O2 - create fast code (/Og /Oi /Ot /Oy /Ob2 /Gs /GF /Gy)
	    CFLAGS_OPTIMIZE="-nologo -O2 ${runtime}"
	    lflags="${lflags} -nologo"
	    LINKBIN="link"
	fi

	LIBS_GUI="gdi32.lib comdlg32.lib imm32.lib comctl32.lib shell32.lib uuid.lib"

	SHLIB_LD="${LINKBIN} -dll -incremental:no ${lflags}"
	SHLIB_LD_LIBS='${LIBS}'
	# link -lib only works when -lib is the first arg
	STLIB_LD="${LINKBIN} -lib ${lflags}"
	RC_OUT=-fo
	RC_TYPE=-r
	RC_INCLUDE=-i
	RC_DEFINE=-d
	RES=res
	MAKE_LIB="\${STLIB_LD} -out:\[$]@"
	MAKE_STUB_LIB="\${STLIB_LD} -nodefaultlib -out:\[$]@"
	POST_MAKE_LIB=
	MAKE_EXE="\${CC} -Fe\[$]@"
	LIBPREFIX=""

	CFLAGS_DEBUG="${CFLAGS_DEBUG} -D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE"
	CFLAGS_OPTIMIZE="${CFLAGS_OPTIMIZE} -D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE"

	EXTRA_CFLAGS=""
	CFLAGS_WARNING="-W3"
	LDFLAGS_DEBUG="-debug"
	LDFLAGS_OPTIMIZE="-release"

	# Specify the CC output file names based on the target name
	CC_OBJNAME="-Fo\[$]@"
	CC_EXENAME="-Fe\"\$(shell \$(CYGPATH) '\[$]@')\""

	# Specify linker flags depending on the type of app being
	# built -- Console vs. Window.
	if test "${TARGETCPU}" != "X86"; then
	    LDFLAGS_CONSOLE="-link ${lflags}"
	    LDFLAGS_WINDOW=${LDFLAGS_CONSOLE}
	else
	    LDFLAGS_CONSOLE="-link -subsystem:console ${lflags}"
	    LDFLAGS_WINDOW="-link -subsystem:windows ${lflags}"
	fi
    fi

    if test "$do64bit" != "no" ; then
	AC_DEFINE(TCL_CFG_DO64BIT)
    fi

    if test "${GCC}" = "yes" ; then
	AC_CACHE_CHECK(for SEH support in compiler,
	    tcl_cv_seh,
	AC_TRY_RUN([
	    #define WIN32_LEAN_AND_MEAN
	    #include <windows.h>
	    #undef WIN32_LEAN_AND_MEAN

	    int main(int argc, char** argv) {
		int a, b = 0;
		__try {
		    a = 666 / b;
		}
		__except (EXCEPTION_EXECUTE_HANDLER) {
		    return 0;
		}
		return 1;
	    }
	],
	    tcl_cv_seh=yes,
	    tcl_cv_seh=no,
	    tcl_cv_seh=no)
	)
	if test "$tcl_cv_seh" = "no" ; then
	    AC_DEFINE(HAVE_NO_SEH, 1,
		    [Defined when mingw does not support SEH])
	fi

	#
	# Check to see if the excpt.h include file provided contains the
	# definition for EXCEPTION_DISPOSITION; if not, which is the case
	# with Cygwin's version as of 2002-04-10, define it to be int,
	# sufficient for getting the current code to work.
	#
	AC_CACHE_CHECK(for EXCEPTION_DISPOSITION support in include files,
	    tcl_cv_eh_disposition,
	    AC_TRY_COMPILE([
#	    define WIN32_LEAN_AND_MEAN
#	    include <windows.h>
#	    undef WIN32_LEAN_AND_MEAN
	    ],[
		EXCEPTION_DISPOSITION x;
	    ],
		tcl_cv_eh_disposition=yes,
		tcl_cv_eh_disposition=no)
	)
	if test "$tcl_cv_eh_disposition" = "no" ; then
	AC_DEFINE(EXCEPTION_DISPOSITION, int,
		[Defined when cygwin/mingw does not support EXCEPTION DISPOSITION])
	fi

	# Check to see if winnt.h defines CHAR, SHORT, and LONG
	# even if VOID has already been #defined. The win32api
	# used by mingw and cygwin is known to do this.

	AC_CACHE_CHECK(for winnt.h that ignores VOID define,
	    tcl_cv_winnt_ignore_void,
	    AC_TRY_COMPILE([
		#define VOID void
		#define WIN32_LEAN_AND_MEAN
		#include <windows.h>
		#undef WIN32_LEAN_AND_MEAN
	    ], [
		CHAR c;
		SHORT s;
		LONG l;
	    ],
        tcl_cv_winnt_ignore_void=yes,
        tcl_cv_winnt_ignore_void=no)
	)
	if test "$tcl_cv_winnt_ignore_void" = "yes" ; then
	    AC_DEFINE(HAVE_WINNT_IGNORE_VOID, 1,
		    [Defined when cygwin/mingw ignores VOID define in winnt.h])
	fi

	# See if the compiler supports casting to a union type.
	# This is used to stop gcc from printing a compiler
	# warning when initializing a union member.

	AC_CACHE_CHECK(for cast to union support,
	    tcl_cv_cast_to_union,
	    AC_TRY_COMPILE([],
	    [
		  union foo { int i; double d; };
		  union foo f = (union foo) (int) 0;
	    ],
	    tcl_cv_cast_to_union=yes,
	    tcl_cv_cast_to_union=no)
	)
	if test "$tcl_cv_cast_to_union" = "yes"; then
	    AC_DEFINE(HAVE_CAST_TO_UNION, 1,
		    [Defined when compiler supports casting to union type.])
	fi
    fi

    # DL_LIBS is empty, but then we match the Unix version
    AC_SUBST(DL_LIBS)
    AC_SUBST(CFLAGS_DEBUG)
    AC_SUBST(CFLAGS_OPTIMIZE)
    AC_SUBST(CFLAGS_WARNING)
])

#------------------------------------------------------------------------
# SC_WITH_TCL --
#
#	Location of the Tcl build directory.
#
# Arguments:
#	none
#
# Results:
#
#	Adds the following arguments to configure:
#		--with-tcl=...
#
#	Defines the following vars:
#		TCL_BIN_DIR	Full path to the tcl build dir.
#------------------------------------------------------------------------

AC_DEFUN([SC_WITH_TCL], [
    if test -d ../../tcl8.7$1/win;  then
	TCL_BIN_DEFAULT=../../tcl8.7$1/win
    else
	TCL_BIN_DEFAULT=../../tcl8.7/win
    fi

    AC_ARG_WITH(tcl, [  --with-tcl=DIR          use Tcl 8.7 binaries from DIR],
	    TCL_BIN_DIR=$withval, TCL_BIN_DIR=`cd $TCL_BIN_DEFAULT; pwd`)
    if test ! -d $TCL_BIN_DIR; then
	AC_MSG_ERROR(Tcl directory $TCL_BIN_DIR does not exist)
    fi
    if test ! -f $TCL_BIN_DIR/Makefile; then
	AC_MSG_ERROR(There is no Makefile in $TCL_BIN_DIR:  perhaps you did not specify the Tcl *build* directory (not the toplevel Tcl directory) or you forgot to configure Tcl?)
    else
	echo "building against Tcl binaries in: $TCL_BIN_DIR"
    fi
    AC_SUBST(TCL_BIN_DIR)
])

#------------------------------------------------------------------------
# SC_PROG_TCLSH
#	Locate a tclsh shell installed on the system path. This macro
#	will only find a Tcl shell that already exists on the system.
#	It will not find a Tcl shell in the Tcl build directory or
#	a Tcl shell that has been installed from the Tcl build directory.
#	If a Tcl shell can't be located on the PATH, then TCLSH_PROG will
#	be set to "". Extensions should take care not to create Makefile
#	rules that are run by default and depend on TCLSH_PROG. An
#	extension can't assume that an executable Tcl shell exists at
#	build time.
#
# Arguments
#	none
#
# Results
#	Subst's the following values:
#		TCLSH_PROG
#------------------------------------------------------------------------

AC_DEFUN([SC_PROG_TCLSH], [
    AC_MSG_CHECKING([for tclsh])

    AC_CACHE_VAL(ac_cv_path_tclsh, [
	search_path=`echo ${PATH} | sed -e 's/:/ /g'`
	for dir in $search_path ; do
	    for j in `ls -r $dir/tclsh[[8-9]]*.exe 2> /dev/null` \
		    `ls -r $dir/tclsh* 2> /dev/null` ; do
		if test x"$ac_cv_path_tclsh" = x ; then
		    if test -f "$j" ; then
			ac_cv_path_tclsh=$j
			break
		    fi
		fi
	    done
	done
    ])

    if test -f "$ac_cv_path_tclsh" ; then
	TCLSH_PROG="$ac_cv_path_tclsh"
	AC_MSG_RESULT($TCLSH_PROG)
    else
	# It is not an error if an installed version of Tcl can't be located.
	TCLSH_PROG=""
	AC_MSG_RESULT([No tclsh found on PATH])
    fi
    AC_SUBST(TCLSH_PROG)
])

#------------------------------------------------------------------------
# SC_BUILD_TCLSH
#	Determine the fully qualified path name of the tclsh executable
#	in the Tcl build directory. This macro will correctly determine
#	the name of the tclsh executable even if tclsh has not yet
#	been built in the build directory. The build tclsh must be used
#	when running tests from an extension build directory. It is not
#	correct to use the TCLSH_PROG in cases like this.
#
# Arguments
#	none
#
# Results
#	Subst's the following values:
#		BUILD_TCLSH
#------------------------------------------------------------------------

AC_DEFUN([SC_BUILD_TCLSH], [
    AC_MSG_CHECKING([for tclsh in Tcl build directory])
    BUILD_TCLSH=${TCL_BIN_DIR}/tclsh${TCL_MAJOR_VERSION}${TCL_MINOR_VERSION}${TCL_DBGX}${EXEEXT}
    AC_MSG_RESULT($BUILD_TCLSH)
    AC_SUBST(BUILD_TCLSH)
])

#--------------------------------------------------------------------
# SC_TCL_CFG_ENCODING	TIP #59
#
#	Declare the encoding to use for embedded configuration information.
#
# Arguments:
#	None.
#
# Results:
#	Might append to the following vars:
#		DEFS	(implicit)
#
#	Will define the following vars:
#		TCL_CFGVAL_ENCODING
#
#--------------------------------------------------------------------

AC_DEFUN([SC_TCL_CFG_ENCODING], [
    AC_ARG_WITH(encoding, [  --with-encoding         encoding for configuration values], with_tcencoding=${withval})

    if test x"${with_tcencoding}" != x ; then
	AC_DEFINE_UNQUOTED(TCL_CFGVAL_ENCODING,"${with_tcencoding}")
    else
	# Default encoding on windows is not "iso8859-1"
	AC_DEFINE(TCL_CFGVAL_ENCODING,"cp1252")
    fi
])

#--------------------------------------------------------------------
# SC_EMBED_MANIFEST
#
#	Figure out if we can embed the manifest where necessary
#
# Arguments:
#	An optional manifest to merge into DLL/EXE.
#
# Results:
#	Will define the following vars:
#		VC_MANIFEST_EMBED_DLL
#		VC_MANIFEST_EMBED_EXE
#
#--------------------------------------------------------------------

AC_DEFUN([SC_EMBED_MANIFEST], [
    AC_MSG_CHECKING(whether to embed manifest)
    AC_ARG_ENABLE(embedded-manifest,
	AC_HELP_STRING([--enable-embedded-manifest],
		[embed manifest if possible (default: yes)]),
	[embed_ok=$enableval], [embed_ok=yes])

    VC_MANIFEST_EMBED_DLL=
    VC_MANIFEST_EMBED_EXE=
    result=no
    if test "$embed_ok" = "yes" -a "${SHARED_BUILD}" = "1" \
       -a "$GCC" != "yes" ; then
	# Add the magic to embed the manifest into the dll/exe
	AC_EGREP_CPP([manifest needed], [
#if defined(_MSC_VER) && _MSC_VER >= 1400
print("manifest needed")
#endif
	], [
	# Could do a CHECK_PROG for mt, but should always be with MSVC8+
	# Could add 'if test -f' check, but manifest should be created
	# in this compiler case
	# Add in a manifest argument that may be specified
	# XXX Needs improvement so that the test for existence accounts
	# XXX for a provided (known) manifest
	VC_MANIFEST_EMBED_DLL="if test -f \[$]@.manifest ; then mt.exe -nologo -manifest \[$]@.manifest $1 -outputresource:\[$]@\;2 ; fi"
	VC_MANIFEST_EMBED_EXE="if test -f \[$]@.manifest ; then mt.exe -nologo -manifest \[$]@.manifest $1 -outputresource:\[$]@\;1 ; fi"
	result=yes
	if test "x$1" != x ; then
	    result="yes ($1)"
	fi
	])
    fi
    AC_MSG_RESULT([$result])
    AC_SUBST(VC_MANIFEST_EMBED_DLL)
    AC_SUBST(VC_MANIFEST_EMBED_EXE)
])

#------------------------------------------------------------------------
# SC_CC_FOR_BUILD
#	For cross compiles, locate a C compiler that can generate native binaries.
#
# Arguments:
#	none
#
# Results:
#	Substitutes the following vars:
#		CC_FOR_BUILD
#		EXEEXT_FOR_BUILD
#------------------------------------------------------------------------

dnl Get a default for CC_FOR_BUILD to put into Makefile.
AC_DEFUN([AX_CC_FOR_BUILD],
[# Put a plausible default for CC_FOR_BUILD in Makefile.
if test -z "$CC_FOR_BUILD"; then
  if test "x$cross_compiling" = "xno"; then
    CC_FOR_BUILD='$(CC)'
  else
    AC_MSG_CHECKING([for gcc])
    AC_CACHE_VAL(ac_cv_path_cc, [
	search_path=`echo ${PATH} | sed -e 's/:/ /g'`
	for dir in $search_path ; do
	    for j in `ls -r $dir/gcc 2> /dev/null` \
		    `ls -r $dir/gcc 2> /dev/null` ; do
		if test x"$ac_cv_path_cc" = x ; then
		    if test -f "$j" ; then
			ac_cv_path_cc=$j
			break
		    fi
		fi
	    done
	done
    ])
  fi
fi
AC_SUBST(CC_FOR_BUILD)
# Also set EXEEXT_FOR_BUILD.
if test "x$cross_compiling" = "xno"; then
  EXEEXT_FOR_BUILD='$(EXEEXT)'
  OBJEXT_FOR_BUILD='$(OBJEXT)'
else
  OBJEXT_FOR_BUILD='.no'
  AC_CACHE_CHECK([for build system executable suffix], bfd_cv_build_exeext,
    [rm -f conftest*
     echo 'int main () { return 0; }' > conftest.c
     bfd_cv_build_exeext=
     ${CC_FOR_BUILD} -o conftest conftest.c 1>&5 2>&5
     for file in conftest.*; do
       case $file in
       *.c | *.o | *.obj | *.ilk | *.pdb) ;;
       *) bfd_cv_build_exeext=`echo $file | sed -e s/conftest//` ;;
       esac
     done
     rm -f conftest*
     test x"${bfd_cv_build_exeext}" = x && bfd_cv_build_exeext=no])
  EXEEXT_FOR_BUILD=""
  test x"${bfd_cv_build_exeext}" != xno && EXEEXT_FOR_BUILD=${bfd_cv_build_exeext}
fi
AC_SUBST(EXEEXT_FOR_BUILD)])dnl
AC_SUBST(OBJEXT_FOR_BUILD)])dnl



#------------------------------------------------------------------------
# SC_ZIPFS_SUPPORT
#	Locate a zip encoder installed on the system path, or none.
#
# Arguments:
#	none
#
# Results:
#	Substitutes the following vars:
#		ZIP_PROG
#       ZIP_PROG_OPTIONS
#       ZIP_PROG_VFSSEARCH
#       ZIP_INSTALL_OBJS
#------------------------------------------------------------------------

AC_DEFUN([SC_ZIPFS_SUPPORT], [
    ZIP_PROG=""
    ZIP_PROG_OPTIONS=""
    ZIP_PROG_VFSSEARCH=""
    ZIP_INSTALL_OBJS=""

    AC_MSG_CHECKING([for zip])
    AC_CACHE_VAL(ac_cv_path_zip, [
    search_path=`echo ${PATH} | sed -e 's/:/ /g'`
    for dir in $search_path ; do
        for j in `ls -r $dir/zip 2> /dev/null` \
            `ls -r $dir/zip 2> /dev/null` ; do
        if test x"$ac_cv_path_zip" = x ; then
            if test -f "$j" ; then
            ac_cv_path_zip=$j
            break
            fi
        fi
        done
    done
    ])
    if test -f "$ac_cv_path_zip" ; then
        ZIP_PROG="$ac_cv_path_zip"
        AC_MSG_RESULT([$ZIP_PROG])
        ZIP_PROG_OPTIONS="-rq"
        ZIP_PROG_VFSSEARCH="*"
        AC_MSG_RESULT([Found INFO Zip in environment])
        # Use standard arguments for zip
    else
        # It is not an error if an installed version of Zip can't be located.
        # We can use the locally distributed minizip instead
        ZIP_PROG="./minizip${EXEEXT_FOR_BUILD}"
        ZIP_PROG_OPTIONS="-o -r"
        ZIP_PROG_VFSSEARCH="*"
        ZIP_INSTALL_OBJS="minizip${EXEEXT_FOR_BUILD}"
        AC_MSG_RESULT([No zip found on PATH building minizip])
    fi
    AC_SUBST(ZIP_PROG)
    AC_SUBST(ZIP_PROG_OPTIONS)
    AC_SUBST(ZIP_PROG_VFSSEARCH)
    AC_SUBST(ZIP_INSTALL_OBJS)
])