File: configure

package info (click to toggle)
ocamlnet 4.1.2-1
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 51,764 kB
  • ctags: 16,446
  • sloc: ml: 148,419; ansic: 10,989; sh: 1,885; makefile: 1,355
file content (1230 lines) | stat: -rwxr-xr-x 31,265 bytes parent folder | download | duplicates (2)
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
#! /bin/sh

# $Id$

#######################################################################
# Constants:
cppo_version=0.9.4

# Helpers:

# Split $PATH into words:
oldifs="$IFS"
IFS="   :"
spacepath=`echo $PATH`
IFS="$oldifs"


in_path () {
    # Does $1 exist in $PATH?
    for d in $spacepath; do
        if test -x "$d/$1"; then
            return 0
        fi
    done
    return 1
}


get_path () {
    for d in $spacepath; do
        if test -x "$d/$1"; then
            echo "$d/$1"
            return
        fi
    done
}
#######################################################################
# Defaults

#--- Options ---
# value 0: off
# value 1: on
# defaults:

set_defaults () {
    enable_gtk=0
    enable_gtk2=0
    enable_tcl=0
    enable_zip=0
    enable_apache=0
    enable_gnutls=0
    enable_gssapi=0
    enable_pcre=0
    enable_full_pcre=0
    compat_pcre=0
    enable_nethttpd=0
    bindir=`dirname "$ocamlc"`
    tcl_defs=""
    tcl_libs=""
    disable_core=0
    apxs=""
    apache=""
    cpp=cpp
    cpp_set=0
    gnutls_cflags=""
    gnutls_libs=""
    gnutls_system_trust_file=""
    gssapi_cflags=""
    gssapi_libs=""
    destdir=""
}

ocamlc=`get_path ocamlc`
set_defaults

version="4.1.2"
exec_suffix=""
path_sep=":"

#######################################################################
# Option parsing

ehelp_gtk="Enable/disable parts that depend on lablgtk"
ehelp_gtk2="Enable/disable parts that depend on lablgtk2"
ehelp_tcl="Enable/disable parts that depend on tcl/tk"
ehelp_gnutls="Enable/disable parts that depend on GnuTLS"
ehelp_gssapi="Enable/disable parts that depend on GSSAPI/Kerberos"
ehelp_zip="Enable/disable parts that depend on camlzip"
ehelp_apache="Enable/disable Apache mod connector (EXPERIMENTAL)"
ehelp_pcre="Enable/disable the build against pcre-ocaml"
ehelp_full_pcre="Enable/disable the build against pcre-ocaml (no Str)"
ehelp_nethttpd="Enable/disable nethttpd web server component (GPL!)"

# Which options exist? eoptions for enable/disable
eoptions="pcre full_pcre gtk gtk2 tcl gnutls gssapi zip apache nethttpd"

# Packages to include anyway:
requires="bytes unix"

# Directory where to install data files:
net_db_dir="<library directory>"
net_db_dir_set=0

check_library () {
    # $1: the name of the library (findlib)
#   # $2: a typical file in $incdirs
#    if [ "$enable_findlib" -gt 0 ]; then
	ocamlfind query "$1" >/dev/null 2>/dev/null
	return
#    else
#	stdlib=`ocamlc -where`
#	for dir in $incdirs; do
#	    case "$dir" in
#		+*)
#		    dir=`echo "$dir" | sed -e "s|^\+|$stdlib/|"` ;;
#	    esac
#	    if [ -f "$dir/$2" ]; then
#		return 0
#	    fi 
#	done
	return 1   # not found
#    fi
}


print_options () {
	for opt in $eoptions; do
		e="o=\$enable_$opt"
		eval "$e"
		uopt=`echo $opt | sed -e 's/_/-/g'`
		if [ $o -gt 0 ]; then
			echo "    -enable-$uopt"
		else
			echo "    -disable-$uopt"
		fi
	done
	echo "    -bindir $bindir"
	echo "    -datadir $net_db_dir"
	if [ $enable_tcl -gt 0 ]; then
            echo "    -equeue-tcl-defs \"$tcl_defs\""
            echo "    -equeue-tcl-libs \"$tcl_libs\""
	fi
	if [ -n "$apxs" ]; then
	    echo "    -apxs $apxs"
	fi
	if [ -n "$apache" ]; then
	    echo "    -apache $apache"
	fi
        if [ -n "$gnutls_cflags" ]; then
            echo "    -gnutls-cflags $gnutls_cflags"
        fi
        if [ -n "$gnutls_libs" ]; then
            echo "    -gnutls-libs $gnutls_libs"
        fi
        if [ -n "$gnutls_system_trust_file" ]; then
            echo "    -gnutls-system-trust-file $gnutls_system_trust_file"
        fi
        if [ -n "$gssapi_cflags" ]; then
            echo "    -gssapi-cflags $gssapi_cflags"
        fi
        if [ -n "$gssapi_libs" ]; then
            echo "    -gssapi-libs $gssapi_libs"
        fi
        echo "    -cpp $cpp"
}


usage () {
	set_defaults
	cat <<_EOF_ >&2
usage: ./configure [ options ]

_EOF_
	for opt in $eoptions; do
		e="help=\$ehelp_$opt"
		eval "$e"
		uopt=`echo $opt | sed -e 's/_/-/g'`
		echo "-enable-$uopt:" >&2
		echo "-disable-$uopt:" >&2
		echo "        $help" >&2
	done
	cat <<_EOF_ >&2
-bindir dir
        Install binaries into this directory

-datadir dir
        Install the run-time data file into this directory

-equeue-tcl-defs <opts>
        Set C compiler options to find tcl.h (for -enable-tcl)

-equeue-tcl-libs <opts>
        Set C compiler options to link against libtcl (for -enable-tcl)

-apxs /path/to/apxs
        Set which apxs to use for -enable-apache

-apache /path/to/apache
        Set which apache executable to use for -enable-apache

-gnutls-cflags <opts>
        Flags for the C compiler for GnuTLS

-gnutls-libs <opts>
        Libraries for GnuTLS

-gnutls-system-trust-file /path/to/certificates.crt
        File with the certificates that are trusted by default

-gssapi-cflags <opts>
        Flags for the C compiler for GSSAPI

-gssapi-libs <opts>
        Libraries for GSSAPI

-prefer-netcgi2
        This option is ignored for compatibility with older versions

-cpp <path>
        Use this C preprocessor program for ocamlrpcgen

-compat-pcre
        Makes the netstring library dependent on netstring-pcre, for
        better compatibility with old versions of Ocamlnet

Defaults are:

_EOF_
	print_options >&2
	exit 1
}


check_eopt () {
	for x in $eoptions; do
		if [ "$x" = "$1" ]; then
			return 0
		fi
	done
	echo "Unknown option: $1" >&2
	exit 1
}


echo "Welcome to Ocamlnet version $version" >&2

while [ "$#" -gt 0 ]; do
	case "$1" in
		-enable-*|--enable-*)
			opt=`echo "$1" | sed -e 's/--\{0,1\}enable-//' -e 's/-/_/g'`
			check_eopt "$opt"
			eval "enable_$opt=2"
			shift
			;;
	        -disable-core|--disable-core)
		        # Intentionally undocumented.
		        disable_core=1
			shift
			;;
		-disable-*|--disable-*)
			opt=`echo "$1" | sed -e 's/--\{0,1\}disable-//' -e 's/-/_/g'`
			check_eopt "$opt"
			eval "enable_$opt=-1"
			shift
			;;
		-with-*|--with*)
			opt=`echo "$1" | sed -e 's/--\{0,1\}with-//' -e 's/-/_/g'`
			check_eopt "$opt"
			eval "enable_$opt=2"
			shift
			;;
		-without-*|--without*)
			opt=`echo "$1" | sed -e 's/--\{0,1\}without-//' -e 's/-/_/g'`
			check_eopt "$opt"
			eval "enable_$opt=-1"
			shift
			;;
                -prefix|--prefix)
                        bindir="$2/bin"; shift 2 ;;
                --prefix=*)
                        p=`echo "$1" | set -e 's/--prefix=//'`
                        bindir="$p/bin"; shift ;;
                -bindir|--bindir)
                        bindir="$2"
                        shift
                        shift
                        ;;
                --bindir=*)
                        bindir=`echo "$1" | set -e 's/--bindir=//'`
                        shift
                        ;;
	        -datadir|--datadir)
		        net_db_dir="$2"
			net_db_dir_set=1
			shift; shift
			;;
	        --datadir=*)
		        net_db_dir=`echo "$1" | set -e 's/--datadir=//'`
			net_db_dir_set=1
			shift
			;;
                -equeue-tcl-defs|--equeue-tcl-defs)
                        tcl_defs="$tcl_defs $2"
                        shift
                        shift
                        ;;
                --equeue-tcl-defs=*)
                        tcl_defs=`echo "$1" | set -e 's/--equeue-tcl-defs=//'`" $2"
                        shift
                        ;;
                -equeue-tcl-libs|--equeue-tcl-libs)
                        tcl_libs="$tcl_libs $2"
                        shift
                        shift
                        ;;
                --equeue-tcl-libs=*)
                        tcl_libs=`echo "$1" | set -e 's/--equeue-tcl-libs=//'`" $2"
                        shift
                        ;;
                -apxs|--apxs)
                        apxs="$2"
                        shift
                        shift
                        ;;
                --apxs=*)
                        apxs=`echo "$1" | set -e 's/--apxs=//'`
                        shift
                        ;;
                -apache|--apache)
                        apache="$2"
                        shift
                        shift
                        ;;
                --apache=*)
                        apache=`echo "$1" | set -e 's/--apache=//'`
                        shift
                        ;;
                -gnutls-cflags|--gnutls-cflags)
                        gnutls_cflags="$2"
                        shift
                        shift
                        ;;
                --gnutls-cflags=*)
                        gnutls_cflags=`echo "$1" | set -e 's/--gnutls-cflags=//'`
                        shift
                        ;;
                -gnutls-libs|--gnutls-libs)
                        gnutls_libs="$2"
                        shift
                        shift
                        ;;
                --gnutls-libs=*)
                        gnutls_libs=`echo "$1" | set -e 's/--gnutls-libs=//'`
                        shift
                        ;;
                -gnutls-system-trust-file|--gnutls-system-trust-file)
                        gnutls_system_trust_file="$2"
                        shift 2
                        ;;
                --gnutls-system-trust-file=*)
                        gnutls_system_trust_file=`echo "$1" | set -e 's/--gnutls-system-trust-file=//'`
                        shift
                        ;;
                -gssapi-cflags|--gssapi-cflags)
                        gssapi_cflags="$2"
                        shift
                        shift
                        ;;
                --gssapi-cflags=*)
                        gssapi_cflags=`echo "$1" | set -e 's/--gssapi-cflags=//'`
                        shift
                        ;;
                -gssapi-libs|--gssapi-libs)
                        gssapi_libs="$2"
                        shift
                        shift
                        ;;
                --gssapi-libs=*)
                        gssapi_libs=`echo "$1" | set -e 's/--gssapi-libs=//'`
                        shift
                        ;;
	        -prefer-netcgi2|--prefer-netcgi2)
		        # ignore!
			shift ;;
                -cpp|--cpp)
                        cpp="$2"
                        cpp_set=1
                        shift
                        shift
                        ;;
                --cpp=*)
                        cpp=`echo "$1" | set -e 's/--cpp=//'`
                        cpp_set=1
                        shift
                        ;;
		-version|--version)
			echo "$version"
			exit 0
			;;
                -compat-pcre|--compat-pcre)
                        compat_pcre=1
                        shift ;;
                -destdir|--destdir)
                        destdir="$2"; shift 2;;
                --destdir=*)
                        destdir=`echo "$1" | set -e 's/--destdir=//'`; shift;;
		*)
			usage
	esac
done


######################################################################
# cleanup

rm -f config.cppo

######################################################################
# Check OS

with_rpc_xti=0
with_cppo_tweak=0
printf "%s" "Checking operating system... "
u=`uname`
case "$u" in
	CYGWIN*)
		printf "Cygwin, and target is: "
		exec_suffix=".exe"
		path_sep=";"   # this is only for OCAMLPATH, ";" is correct for Cygwin
		case `ocamlc -config | grep os_type` in
		    *Win32*)
                        with_cppo_tweak=1
                        if [ $cpp_set = 0 ]; then
                            cpp=`realpath /bin/cpp | cygpath -m -f -`
                        fi
			echo "Win32" ;;
		    *)
			echo "Cygwin" ;;
		esac
		;;
        MINGW*)
		echo "MinGW"
		exec_suffix=".exe"
		with_cppo_tweak=2
		path_sep=";"
		mingw_lib=`get_path gcc`
		mingw_lib=`dirname "$mingw_lib"`/../lib
		OCAMLOPTFLAGS="-ccopt -L\"${mingw_lib}\""
		;;
        Linux)
	        echo "Linux"
		;;
        *FreeBSD)             # also GNU/kFreeBSD
	        echo "FreeBSD"
		echo
		echo "*** Note that you might need to load the 'sem' kernel"
		echo "*** module to make semaphores work: kldload sem"
		echo
		;;
        NetBSD)
	        echo "NetBSD"
		;;
        SunOS)
	        case `uname -r` in
		    [1234]*)
		        echo "SunOS" ;;
		    *)
			echo "Solaris"
			with_rpc_xti=1
			;;
		esac ;;
	*)
		echo "Generic" ;;
esac

if [ $with_rpc_xti -gt 0 ]; then
    echo "    This OS supports XTI networking"
    echo "    Building rpc-xti"
fi

######################################################################
# Check ocamlfind

printf "%s" "Checking for findlib... "
if ocamlfind query stdlib >/dev/null 2>/dev/null; then
    echo "found"
    if [ "$net_db_dir_set" -eq 0 ]; then
	net_db_dir=`ocamlfind printconf destdir | tr -d '\\r'`/netunidata
	net_db_dir_set=1
    fi
else
    echo "not found"
    echo "Make sure that ocamlfind is in your PATH, or download findlib"
    echo "from www.ocaml-programming.de"
    exit 1
fi

if [ "$net_db_dir_set" -eq 0 ]; then
    net_db_dir="$libdir"
    net_db_dir_set=1
fi

######################################################################
# Does ocamlopt support multi-threading?

printf "%s" "Checking multi-threading support... "
mt_type=vm
mt_switch="-vmthread"
mt_comment="(unsupported)"
rm -rf tmp
mkdir -p tmp
cat <<_EOF_ >tmp/t.ml
let _ = Mutex.create();;
_EOF_
if ocamlopt -thread -o tmp/t${exec_suffix} ${OCAMLOPTFLAGS} unix.cmxa threads.cmxa tmp/t.ml 2>/dev/null ||
    ocamlc -thread -o tmp/t${exec_suffix} unix.cma threads.cma tmp/t.ml 2>/dev/null; then
    if tmp/t${exec_suffix} 2>/dev/null; then
	mt_type=posix
	mt_switch="-thread"
	mt_comment="(ok)"
    fi
fi
echo "$mt_type $mt_comment"

######################################################################
# Check word size at al

printf "%s" "Checking word size... "
cat <<_EOF_ >tmp/t.ml
print_endline(string_of_int(Sys.word_size))
_EOF_
word_size="$(ocaml tmp/t.ml | tr -d '\r')"
echo "$word_size bit"

printf "%s" "Checking endianess... "
cat <<_EOF_ >tmp/tend.c
/* new check from Matías Giovannini */
#include "caml/mlvalues.h"
value check(value d) {
  int i = 1;
  char *s = (char*) &i;
  return (s[0] == 0 ? Val_true : Val_false);
}
_EOF_

cat <<_EOF_ >tmp/t.ml
external check : unit -> bool = "check";;

let () =
  exit (if check() then 0 else 1)
_EOF_

( cd tmp
  ocamlc -custom -o t tend.c t.ml
) || exit

if tmp/t; then
    echo "big"
    endianess="BIG_ENDIAN"
else
    echo "little"
    endianess="LITTLE_ENDIAN"
fi

######################################################################

printf "Checking for GPROF... "

stdlib=`ocamlc -where | tr -d '\r'`
if [ -f $stdlib/std_exit.p.cmx ]; then
    echo "found"
    have_gprof=1
else
    echo "not found"
    have_gprof=0
fi

######################################################################

printf "Checking for attributes... "
case `ocamlc -version` in
  [123].*)
        echo "no"
        attrs=0 ;;
  4.0[01].*)
        echo "no"
        attrs=0 ;;
  *)
        echo "yes"
        attrs=1 ;;
esac

if [ $attrs -gt 0 ]; then
    cat <<EOF >>config.cppo
#define DEPRECATED(arg) [@@deprecated arg] \(** @deprecated arg *)
EOF
else
    cat <<EOF >>config.cppo
#define DEPRECATED(arg)
EOF
fi

######################################################################

printf "Checking for immutable strings... "
if ocamlc -safe-string >/dev/null 2>/dev/null; then
    istring=1
    echo "yes"
else
    istring=0
    echo "no"
fi

if [ $istring -gt 0 ]; then
    string_opts="-safe-string"
    pp_bytes="-D HAVE_BYTES"
else
    string_opts=""
    pp_bytes="-U HAVE_BYTES"
fi

######################################################################

printf "Checking for extensible variants... "
cat <<EOF >tmp/extvariant.ml
type t = ..
type t += X
EOF

if ocamlc -c tmp/extvariant.ml >/dev/null 2>/dev/null; then
    echo "yes"
    echo "#define HAVE_EXTENSIBLE_VARIANTS" >> config.cppo
else
    echo "no"
    echo "#undef HAVE_EXTENSIBLE_VARIANTS" >> config.cppo
fi


######################################################################
# Check that pcre is available:

if [ $enable_pcre -gt 0 -o $enable_full_pcre -gt 0 ]; then
    printf "%s" "Checking for PCRE... "
    if check_library pcre pcre.cmi; then
	echo "found"
        # This means to build netstring-pcre
	have_pcre=1
        if [ $enable_full_pcre -gt 0 ]; then
            # In netstring: Netstring_str uses PCRE as backend
  	    regexp_defs="-D HAVE_PCRE"
	    regexp_provider="netstring-pcre"  # which again depends on pcre
            regexp_provider_make="pcre"       # also solved via -I to netstring-pcre
        else
            # In netstring: Netstring_str uses Str as backend
            regexp_defs="-D ENABLE_STR_EXTERNALS -D HAVE_PCRE"
            regexp_provider="str"
            regexp_provider_make="str"
        fi
    else
	echo "not found"
	echo "Sorry, PCRE was requested."
	echo "Get the PCRE-OCaml library from:"
	echo "http://www.ocaml.info/home/ocaml_sources.html,"
	echo "or disable the build against PCRE-Ocaml (not recommended)".
	exit 1
    fi
else
    # ENABLE_STR_EXTERNALS works for all recent OCaml versions
    have_pcre=0
    regexp_defs="-D ENABLE_STR_EXTERNALS"
    regexp_provider="str"
    regexp_provider_make="str"
fi

compat_pcre_provider=""
if [ $compat_pcre -gt 0 ]; then
    # in this case, netstring is dependent on netstring-pcre for
    # better compatibility with OCamlnet-3.5 and older. Even if we
    # did NOT -enable-pcre.
    compat_pcre_provider="netstring-pcre"
fi

######################################################################
# Netsys

( cd src/netsys; ./configure )

( cd src/rpc-auth-local; ./configure )

######################################################################
# whether we can support camlboxes and multicore

support_outofheap=0
if grep 'OOH_OBJECT = .' src/netsys/Makefile.conf >/dev/null 2>/dev/null; then
    support_outofheap=1
fi

support_semaphores=0
if grep '#define HAVE_POSIX_SEM_NAMED' src/netsys/config.h \
    >/dev/null 2>/dev/null; then
    support_semaphores=1
fi

enable_camlbox=0
enable_multicore=0
printf "Checking whether netcamlbox and netmulticore are supported... "
if [ $support_outofheap -gt 0 -a $support_semaphores -gt 0 ]; then
    echo "yes"
    enable_camlbox=1
    enable_multicore=1
else
    echo "no"
fi


######################################################################
# TCL

with_equeue_tcl=0

if [ $enable_tcl -gt 0 ]; then
    printf "%s" "Checking switches for tcl.h... "

    tcl_defs_1=""
    for d in $tcl_defs; do
        tcl_defs_1="$tcl_defs_1 -ccopt '$d'"
    done

    rm -rf tmp
    mkdir -p tmp

    cat <<EOF >tmp/t.c
#include "tcl.h"

main () {
}
EOF

    if ( cd tmp; ocamlc $tcl_defs_1 -c t.c >/dev/null 2>/dev/null ) then
        echo "ok"
    else
        echo "not ok"
        echo
        echo "Please check -equeue-tcl-defs!"
        exit 1
    fi

    printf "%s" "Checking switches to link libtcl... "

    cat <<EOF >tmp/t.c
#include <stdlib.h>
#include <stdio.h>
#include "tcl.h"

do_something () {
    void (*x)(int);
    x = Tcl_Exit;
    exit(0);
}
EOF

    cat <<EOF >tmp/t.ml
exit 0
EOF

    if ( cd tmp
         ocamlc $tcl_defs_1 -c t.c >/dev/null 2>/dev/null &&
         ocamlc -c t.ml >/dev/null 2>/dev/null &&
         ocamlc -o t -custom t.o t.cmo -cclib "$tcl_libs"
       )
    then
        if tmp/t; then
            echo "ok"
        else
            echo "not ok (check ldd output of tmp/t)"
            echo
            echo "Please check -equeue-tcl-libs!"
            exit 1
        fi
    else
        echo "not ok"
        echo
        echo "Please check -equeue-tcl-libs!"
        exit 1
    fi

    with_equeue_tcl=1
fi

######################################################################
# Check lablgtk

with_equeue_gtk1=0

if [ $enable_gtk -gt 0 ]; then
    printf "%s" "Checking for lablgtk... "
    if ocamlfind query lablgtk >/dev/null 2>/dev/null; then
        echo "found"
	with_equeue_gtk1=1
    else
        echo "not found"
	echo "Required library lablgtk not found!"
	exit 1
    fi
fi

######################################################################
# Check lablgtk2

with_equeue_gtk2=0
gtk2_io_add_watch_supports_lists=""

if [ $enable_gtk2 -gt 0 ]; then
    printf "%s" "Checking for lablgtk2... "
    if ocamlfind query lablgtk2 >/dev/null 2>/dev/null; then
        echo "found"
    else
        echo "not found"
	echo "Required library lablgtk2 not found!"
	exit 1
    fi

    printf "%s" "Checking whether lablgtk2 has GMain.Io.remove... "
    mkdir -p tmp
    cat <<EOF >tmp/gtktest.ml
let _ = GMain.Io.remove;;
EOF

    if ocamlfind ocamlc -package lablgtk2 -c tmp/gtktest.ml >/dev/null 2>/dev/null;
    then
        echo "yes"
    else
        echo "no"
        echo "Your version of lablgtk2 is too old!"
	exit 1
    fi
    
    printf "%s" "Checking whether lablgtk2 has GMain.Io.add_watch with list support... "
    mkdir -p tmp
    cat <<'EOF' >tmp/gtktest.ml
open GMain.Io
let _ = (add_watch : cond:condition list -> callback:(condition list -> bool) -> ?prio:int -> channel -> id);;
exit 0
EOF
    # Note: this newer API is never broken in the sense checked below, i.e.
    # such lablgtk2 versions do not exist.
    if ocamlfind ocamlc -package unix,lablgtk2 -linkpkg -o tmp/gtk tmp/gtktest.ml >/dev/null 2>/dev/null && tmp/gtk; then
        echo "yes"
        gtk2_io_add_watch_supports_lists="-D GTK2_IO_ADD_WATCH_SUPPORTS_LISTS"
    else
        echo "no"
        printf "%s" "Checking whether lablgtk2's GMain.Io.add_watch is broken... "
        mkdir -p tmp
        cat <<'EOF' >tmp/gtktest.ml
GMain.Main.init();;
let ch = GMain.Io.channel_of_descr (Unix.stdout) in
let w = GMain.Io.add_watch
          ~cond:`OUT ~callback:(fun () -> true) ch in
(* add_watch is broken when it just returns Val_unit, and ok when it
 * returns a positive int
 *)
if (Obj.magic w : int) > 0 then
  exit 0
else
  exit 1
EOF
	if ocamlfind ocamlc -package unix,lablgtk2 -linkpkg -o tmp/gtk tmp/gtktest.ml >/dev/null 2>/dev/null && tmp/gtk; then
            echo "no"
        else
            echo "yes"
            echo "You should apply the patch-ab-ml_glib.c to lablgtk2 to fix this!"
	    exit 1
        fi
    fi

    for f in Makefile uq_gtk.ml uq_gtk.mli uq_gtk_helper.ml; do
	rm -f src/equeue-gtk2/$f
	ln -s ../equeue-gtk1/$f src/equeue-gtk2
    done
    
    with_equeue_gtk2=1
fi

######################################################################
# GnuTLS

with_gnutls=0

if [ $enable_gnutls -gt 0 ]; then
    ( cd src/nettls-gnutls
      GNUTLS_CFLAGS="$gnutls_cflags" GNUTLS_LIBS="$gnutls_libs" GNUTLS_SYSTEM_TRUST_FILE="$gnutls_system_trust_file" ./configure
    )
    if [ $? -eq 0 ]; then
        with_gnutls=1
        # There is now also src/nettls-gnutls/config.mk, which needs to be
        # appended to Makefile.conf
    else
        echo "Required library GnuTLS not found!"
        exit 1
    fi
fi

######################################################################
# GSSAPI

with_gssapi=0

if [ $enable_gssapi -gt 0 ]; then
    ( cd src/netgss-system
      GSSAPI_CFLAGS="$gssapi_cflags" GSSAPI_LIBS="$gssapi_libs" ./configure
    )
    if [ $? -eq 0 ]; then
        with_gssapi=1
        # There is now also src/netgss-system/config.mk, which needs to be
        # appended to Makefile.conf
    else
        echo "Required library for GSSAPI (probably -lkrb5) not found!"
        exit 1
    fi
fi

######################################################################
# Check camlzip

with_netzip=0

if [ $enable_zip -gt 0 ]; then
    printf "%s" "Checking for zip/camlzip... "
    if ocamlfind query zip >/dev/null 2>/dev/null; then
        echo "found"
        with_netzip=1
        zip_provider=zip
    else
        if ocamlfind query camlzip >/dev/null 2>/dev/null; then
            echo "found"
	    with_netzip=1
	    zip_provider=camlzip
        else
            echo "not found"
	    echo "Required library camlzip not found!"
	    exit 1
        fi
    fi
fi

######################################################################
# Check Apache

apache_major=0   # otherwise syntax error
if [ $enable_apache -gt 0 ]; then
    printf "Apache mod connector... "

#     echo "CURRENTLY BROKEN - disabling for now"
#     enable_apache=0

    if [ -z "$apxs" ]; then
	# guess
	apxs=`get_path apxs`
    fi
    if [ -z "$apache" ]; then
	# guess
	apache=`get_path apache`
    fi

    if [ -x "$apxs" ] ; then
	apache_major=2
	apache_libdir="`$apxs -q LIBEXECDIR`"
	apache_incdir="`$apxs -q INCLUDEDIR`"
	apache_confdir="`$apxs -q SYSCONFDIR`"
	apache_ldflags_shlib="`$apxs -q LDFLAGS_SHLIB`"
	apache_cc="`$apxs -q CC`"
	apache_cflags="-I \$(APACHE_INCDIR) \
	  `$apxs -q CFLAGS` `$apxs -q CFLAGS_SHLIB`"
	# This is to allow modules residing in the standard  ocaml library 
	# directory to be loaded with relative paths.
	#apache_ocamllibdir=`ocamlfind printconf destdir`
	apache_ocamllibdir=`ocamlc -where`
	# The apache module requires the construction of a shared library
	# embedding the ocaml runtime.  On platforms where PIC code differs
	# from non-PIC, it requires a shared camlrun.  Check whether it is
	# available.  See http://caml.inria.fr/mantis/view.php?id=3866
	apache_camlrun=camlrun
	if [ -f "$apache_ocamllibdir/libcamlrun_shared.so" ]; then
	    apache_camlrun=camlrun_shared
	    echo "enabled (Apache $apache_major)"
	else
	    echo "enabled (Apache $apache_major)"
	    echo -e "    WARNING: libcamlrun_shared.so was not found.  That \
may prevent the build\n    of the apache module on platforms \
where PIC code differs from non-PIC\n    such as x86_64, hppa,..."
	fi
	# at some point libstr.a was renamed to libcamlstr.a
	libstr="str"
	if [ -f "$apache_ocamllibdir/libcamlstr.a" ]; then
	    libstr="camlstr"
	fi
    else
	enable_apache=0
	echo "apxs or apache not found"
	echo "    Maybe you need to use the -apache option?"
	exit 1
    fi

fi

######################################################################
# cpp

echo "Preprocessor for ocamlrpcgen: $cpp"

######################################################################
# Summary

echo
echo "Effective options:"
print_options
echo

pkglist="netsys netshm netstring netunidata equeue shell rpc-generator rpc rpc-auth-local netclient netcgi2 netplex netcgi2-plex"

full_pkglist="$pkglist netstring-pcre rpc-auth-local rpc-xti equeue-tcl equeue-gtk1 equeue-gtk2 nethttpd netzip netcgi2-apache nettls-gnutls netgss-system"

if [ $enable_camlbox -gt 0 ]; then
    pkglist="$pkglist netcamlbox"
fi

if [ $enable_multicore -gt 0 ]; then
    pkglist="$pkglist netmulticore"
fi

if [ $enable_nethttpd -gt 0 ]; then
    pkglist="$pkglist nethttpd"
fi

if [ $disable_core -gt 0 ]; then
    # Omit the core packages:
    pkglist=""
    with_rpc_xti=0
fi

for opt in rpc_xti $woptions equeue_tcl equeue_gtk1 equeue_gtk2 netzip; do
	e="o=\$with_$opt"
	eval "$e"
	if [ $o -gt 0 ]; then
		uopt=`echo "$opt" | sed -e 's/_/-/g'`
		pkglist="$pkglist $uopt"
	fi
done

if [ $enable_pcre -gt 0 -o $enable_full_pcre -gt 0 ]; then
    pkglist="netstring-pcre $pkglist"
fi

if [ $enable_apache -gt 0 ]; then
    pkglist="$pkglist netcgi2-apache"
fi

if [ $enable_gnutls -gt 0 ]; then
    pkglist="$pkglist nettls-gnutls"
fi

if [ $enable_gssapi -gt 0 ]; then
    pkglist="$pkglist netgss-system"
fi

######################################################################
# Write Makefile.conf

if [ $with_cppo_tweak -ne 0 ]; then
    # Under Windows, calling cppo by relative path is difficult. If we
    # use forward slashes, we need to escape these for cmd.exe. If we
    # use backward slashes, the escaping is difficult for sh+make.
    # The workaround is to call cppo implicitly by PATH search.
    xdir="$(readlink -f "$(dirname "$0")")"
    if [ $with_cppo_tweak -eq 1 ]; then
        xdir="$(cygpath "${xdir}")"
    fi
    xdir="${xdir}/tools/cppo-${cppo_version}"
    export_path="export PATH:=${xdir}:\$(PATH)"
    cppo="cppo-ocamlnet.exe"
else
    export_path=""
    cppo="\$(TOP_DIR)/tools/cppo-${cppo_version}/cppo"
fi

echo "Writing Makefile.conf"
cat <<_EOF_ >Makefile.conf
# Makefike.conf written by configure
# The Ocamlnet version
VERSION = $version

# The packages to build in the right order:
PKGLIST = $pkglist

# All packages:
FULL_PKGLIST = $full_pkglist

# Whether the OS needs an .exe suffix for executables:
EXEC_SUFFIX = $exec_suffix
PATH_SEP = $path_sep

# Required packages (findlib):
REQUIRES += $requires

# zip:
ZIP_PROVIDER = $zip_provider

# Additional options only for ocamlc:
OCAMLC_OPTIONS =

# Additional options only for ocamlopt:
OCAMLOPT_OPTIONS =

# Where the ocamlnet lookup tables are to be installed (both findlib
# and non-findlib):
NET_DB_DIR = $net_db_dir

# Where binaries are installed:
BINDIR = $bindir

# Method of installation:
INSTMETHOD = findlib

# Multi-threading type:
MT_TYPE = $mt_type

# word size:
WORD_SIZE = $word_size

# endianess
ENDIANESS = $endianess

# gprof:
HAVE_GPROF = $have_gprof

# definition of the DEPRECATED macro
PP_DEPRECATED =

# strings
STRING_OPTS = $string_opts
PP_BYTES = $pp_bytes

# REGEXP support:
REGEXP_DEFS = $regexp_defs
HAVE_PCRE = $have_pcre
REGEXP_PROVIDER = $regexp_provider
REGEXP_PROVIDER_MAKE = $regexp_provider_make
COMPAT_PCRE_PROVIDER = $compat_pcre_provider

# Compiler switch to enable multi-threading:
THREAD = $mt_switch

# For -enable-tcl:
EQUEUE_TCL_DEFS = $tcl_defs_1
EQUEUE_TCL_LIBS = $tcl_libs

# For -enable-gtk2:
GTK_EXTRA_DEFINES = $gtk2_io_add_watch_supports_lists

# For -enable-apache
APACHE_MAJOR = $apache_major
APACHE_LIBDIR = $apache_libdir
APACHE_OCAMLLIBS = -l$apache_camlrun -ltermcap -lunix -l$libstr
APACHE_INCDIR = $apache_incdir
APACHE_CONFDIR = $apache_confdir
APACHE_LDFLAGS_SHLIB = $apache_ldflags_shlib
APACHE_CC = $apache_cc
APACHE_CFLAGS = $apache_cflags
APACHE_OCAMLLIBDIR = $apache_ocamllibdir
APXS = $apxs

# ocamlrpcgen
OCAMLRPCGEN_CPP = $cpp

# cppo:
CPPO = $cppo -include \$(TOP_DIR)/config.cppo
CPPO_VERSION = $cppo_version
$export_path
_EOF_

if [ $with_gnutls -gt 0 ]; then
    cat src/nettls-gnutls/config.mk >>Makefile.conf
fi

if [ $with_gssapi -gt 0 ]; then
    cat src/netgss-system/config.mk >>Makefile.conf
fi

if [ -n "$destdir" ]; then
    echo "DESTDIR = $destdir" >>Makefile.conf
fi

rm -f src/netcgi2-apache/config.h

######################################################################
# make oasis happy: setup.save will be picked up by "make postconf"
# and will be appended to setup.data. That way the config update
# will reach oasis.

rm -f setup.save
echo "pkg_version=\"$version\"" >>setup.save
echo "bindir= \"$bindir\"" >>setup.save
echo "datadir=\"$net_db_dir\"" >>setup.save
echo "prefix=\"<not interpreted>\"" >>setup.save
echo "destdir=\"$destdir\"" >>setup.save

for opt in $eoptions; do
    e="o=\$enable_$opt"
    eval "$e"
    if [ $o -gt 0 ]; then
        echo "$opt=\"true\"" >>setup.save
    else
        echo "$opt=\"false\"" >>setup.save
    fi
done

######################################################################
# Finish

echo
echo "Please check Makefile.conf."
echo
echo "You can now compile Ocamlnet by invoking"
echo "   make all"
echo "for the bytecode compiler, and optionally by invoking"
echo "   make opt"
echo "for the native-code compiler (if supported on your architecture)."
echo "Finally, a"
echo "   make install"
echo "will install the package(s)."