aboutsummaryrefslogtreecommitdiff
path: root/bfd/aclocal.m4
blob: 13aef7cf788c80d00c358e2fe95a00dd36e524f0 (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
dnl aclocal.m4 generated automatically by aclocal 1.4

dnl Copyright (C) 1994, 1995-8, 1999 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.

dnl This program is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY, to the extent permitted by law; without
dnl even the implied warranty of MERCHANTABILITY or FITNESS FOR A
dnl PARTICULAR PURPOSE.

dnl See whether we need to use fopen-bin.h rather than fopen-same.h.
AC_DEFUN(BFD_BINARY_FOPEN,
[AC_REQUIRE([AC_CANONICAL_SYSTEM])
case "${host}" in
changequote(,)dnl
*-*-msdos* | *-*-go32* | *-*-mingw32* | *-*-cygwin* | *-*-windows*)
changequote([,])dnl
  AC_DEFINE(USE_BINARY_FOPEN, 1, [Use b modifier when opening binary files?]) ;;
esac])dnl

dnl Get a default for CC_FOR_BUILD to put into Makefile.
AC_DEFUN(BFD_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='$(CC)'
  else
    CC_FOR_BUILD=gcc
  fi
fi
AC_SUBST(CC_FOR_BUILD)
# Also set EXEEXT_FOR_BUILD.
if test "x$cross_compiling" = "xno"; then
  EXEEXT_FOR_BUILD='$(EXEEXT)'
else
  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

dnl See whether we need a declaration for a function.
AC_DEFUN(BFD_NEED_DECLARATION,
[AC_MSG_CHECKING([whether $1 must be declared])
AC_CACHE_VAL(bfd_cv_decl_needed_$1,
[AC_TRY_COMPILE([
#include <stdio.h>
#ifdef HAVE_STRING_H
#include <string.h>
#else
#ifdef HAVE_STRINGS_H
#include <strings.h>
#endif
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif],
[char *(*pfn) = (char *(*)) $1],
bfd_cv_decl_needed_$1=no, bfd_cv_decl_needed_$1=yes)])
AC_MSG_RESULT($bfd_cv_decl_needed_$1)
if test $bfd_cv_decl_needed_$1 = yes; then
  AC_DEFINE([NEED_DECLARATION_]translit($1, [a-z], [A-Z]), 1,
	    [Define if $1 is not declared in system header files.])
fi
])dnl

dnl Check for existence of a type $1 in sys/procfs.h

AC_DEFUN(BFD_HAVE_SYS_PROCFS_TYPE,
[AC_MSG_CHECKING([for $1 in sys/procfs.h])
 AC_CACHE_VAL(bfd_cv_have_sys_procfs_type_$1,
   [AC_TRY_COMPILE([#include <sys/procfs.h>],
      [$1 avar],
      bfd_cv_have_sys_procfs_type_$1=yes,
      bfd_cv_have_sys_procfs_type_$1=no
   )])
 if test $bfd_cv_have_sys_procfs_type_$1 = yes; then
   AC_DEFINE([HAVE_]translit($1, [a-z], [A-Z]), 1,
	     [Define if <sys/procfs.h> has $1.])
 fi
 AC_MSG_RESULT($bfd_cv_have_sys_procfs_type_$1)
])


dnl Check for existence of member $2 in type $1 in sys/procfs.h

AC_DEFUN(BFD_HAVE_SYS_PROCFS_TYPE_MEMBER,
[AC_MSG_CHECKING([for $1.$2 in sys/procfs.h])
 AC_CACHE_VAL(bfd_cv_have_sys_procfs_type_member_$1_$2,
   [AC_TRY_COMPILE([#include <sys/procfs.h>],
      [$1 avar; void* aref = (void*) &avar.$2],
      bfd_cv_have_sys_procfs_type_member_$1_$2=yes,
      bfd_cv_have_sys_procfs_type_member_$1_$2=no
   )])
 if test $bfd_cv_have_sys_procfs_type_member_$1_$2 = yes; then
   AC_DEFINE([HAVE_]translit($1, [a-z], [A-Z])[_]translit($2, [a-z], [A-Z]), 1,
	     [Define if <sys/procfs.h> has $1.$2.])
 fi
 AC_MSG_RESULT($bfd_cv_have_sys_procfs_type_member_$1_$2)
])



# Do all the work for Automake.  This macro actually does too much --
# some checks are only needed if your package does certain things.
# But this isn't really a big deal.

# serial 1

dnl Usage:
dnl AM_INIT_AUTOMAKE(package,version, [no-define])

AC_DEFUN(AM_INIT_AUTOMAKE,
[AC_REQUIRE([AC_PROG_INSTALL])
PACKAGE=[$1]
AC_SUBST(PACKAGE)
VERSION=[$2]
AC_SUBST(VERSION)
dnl test to see if srcdir already configured
if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then
  AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
fi
ifelse([$3],,
AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package])
AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package]))
AC_REQUIRE([AM_SANITY_CHECK])
AC_REQUIRE([AC_ARG_PROGRAM])
dnl FIXME This is truly gross.
missing_dir=`cd $ac_aux_dir && pwd`
AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir)
AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)
AM_MISSING_PROG(AUTOMAKE, automake, $missing_dir)
AM_MISSING_PROG(AUTOHEADER, autoheader, $missing_dir)
AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir)
AC_REQUIRE([AC_PROG_MAKE_SET])])

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

AC_DEFUN(AM_SANITY_CHECK,
[AC_MSG_CHECKING([whether build environment is sane])
# Just in case
sleep 1
echo timestamp > conftestfile
# Do `set' in a subshell so we don't clobber the current shell's
# arguments.  Must try -L first in case configure is actually a
# symlink; some systems play weird games with the mod time of symlinks
# (eg FreeBSD returns the mod time of the symlink's containing
# directory).
if (
   set X `ls -Lt $srcdir/configure conftestfile 2> /dev/null`
   if test "[$]*" = "X"; then
      # -L didn't work.
      set X `ls -t $srcdir/configure conftestfile`
   fi
   if test "[$]*" != "X $srcdir/configure conftestfile" \
      && test "[$]*" != "X conftestfile $srcdir/configure"; then

      # If neither matched, then we have a broken ls.  This can happen
      # if, for instance, CONFIG_SHELL is bash and it inherits a
      # broken ls alias from the environment.  This has actually
      # happened.  Such a system could not be considered "sane".
      AC_MSG_ERROR([ls -t appears to fail.  Make sure there is not a broken
alias in your environment])
   fi

   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)])

dnl AM_MISSING_PROG(NAME, PROGRAM, DIRECTORY)
dnl The program must properly implement --version.
AC_DEFUN(AM_MISSING_PROG,
[AC_MSG_CHECKING(for working $2)
# Run test in a subshell; some versions of sh will print an error if
# an executable is not found, even if stderr is redirected.
# Redirect stdin to placate older versions of autoconf.  Sigh.
if ($2 --version) < /dev/null > /dev/null 2>&1; then
   $1=$2
   AC_MSG_RESULT(found)
else
   $1="$3/missing $2"
   AC_MSG_RESULT(missing)
fi
AC_SUBST($1)])


# serial 35 AC_PROG_LIBTOOL
AC_DEFUN(AC_PROG_LIBTOOL,
[AC_REQUIRE([AC_LIBTOOL_SETUP])dnl

# Save cache, so that ltconfig can load it
AC_CACHE_SAVE

# Actually configure libtool.  ac_aux_dir is where install-sh is found.
CC="$CC" CFLAGS="$CFLAGS" CPPFLAGS="$CPPFLAGS" \
LD="$LD" NM="$NM" RANLIB="$RANLIB" LN_S="$LN_S" \
DLLTOOL="$DLLTOOL" AS="$AS" \
${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig --no-reexec \
$libtool_flags --no-verify $ac_aux_dir/ltmain.sh $host \
|| AC_MSG_ERROR([libtool configure failed])

# Reload cache, that may have been modified by ltconfig
AC_CACHE_LOAD

# This can be used to rebuild libtool when needed
LIBTOOL_DEPS="$ac_aux_dir/ltconfig $ac_aux_dir/ltmain.sh"

# Always use our own libtool.
LIBTOOL='$(SHELL) $(top_builddir)/libtool'
AC_SUBST(LIBTOOL)dnl

# Redirect the config.log output again, so that the ltconfig log is not
# clobbered by the next message.
exec 5>>./config.log
])

AC_DEFUN(AC_LIBTOOL_SETUP,
[AC_PREREQ(2.13)dnl
AC_REQUIRE([AC_ENABLE_SHARED])dnl
AC_REQUIRE([AC_ENABLE_STATIC])dnl
AC_REQUIRE([AC_ENABLE_FAST_INSTALL])dnl
AC_REQUIRE([AC_CANONICAL_HOST])dnl
AC_REQUIRE([AC_CANONICAL_BUILD])dnl
AC_REQUIRE([AC_PROG_RANLIB])dnl
AC_REQUIRE([AC_PROG_CC])dnl
AC_REQUIRE([AC_PROG_LD])dnl
AC_REQUIRE([AC_PROG_NM])dnl
AC_REQUIRE([AC_SYS_NM_PARSE])dnl
AC_REQUIRE([AC_SYS_SYMBOL_UNDERSCORE])dnl
AC_REQUIRE([AC_PROG_LN_S])dnl
dnl

# Check for any special flags to pass to ltconfig.
libtool_flags="--cache-file=$cache_file"
test "$enable_shared" = no && libtool_flags="$libtool_flags --disable-shared"
test "$enable_static" = no && libtool_flags="$libtool_flags --disable-static"
test "$enable_fast_install" = no && libtool_flags="$libtool_flags --disable-fast-install"
test "$lt_dlopen" = yes && libtool_flags="$libtool_flags --enable-dlopen"
test "$silent" = yes && libtool_flags="$libtool_flags --silent"
test "$ac_cv_prog_gcc" = yes && libtool_flags="$libtool_flags --with-gcc"
test "$ac_cv_prog_gnu_ld" = yes && libtool_flags="$libtool_flags --with-gnu-ld"

# Some flags need to be propagated to the compiler or linker for good
# libtool support.
case "$host" in
*-*-irix6*)
  # Find out which ABI we are using.
  echo '[#]line __oline__ "configure"' > conftest.$ac_ext
  if AC_TRY_EVAL(ac_compile); then
    case "`/usr/bin/file conftest.o`" in
    *32-bit*)
      LD="${LD-ld} -32"
      ;;
    *N32*)
      LD="${LD-ld} -n32"
      ;;
    *64-bit*)
      LD="${LD-ld} -64"
      ;;
    esac
  fi
  rm -rf conftest*
  ;;

*-*-sco3.2v5*)
  # On SCO OpenServer 5, we need -belf to get full-featured binaries.
  SAVE_CFLAGS="$CFLAGS"
  CFLAGS="$CFLAGS -belf"
  AC_CACHE_CHECK([whether the C compiler needs -belf], lt_cv_cc_needs_belf,
    [AC_TRY_LINK([],[],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no])])
  if test x"$lt_cv_cc_needs_belf" != x"yes"; then
    # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf
    CFLAGS="$SAVE_CFLAGS"
  fi
  ;;

*-*-cygwin*)
  AC_SYS_LIBTOOL_CYGWIN
  ;;

esac

# enable the --disable-libtool-lock switch

AC_ARG_ENABLE(libtool-lock,
[  --disable-libtool-lock  force libtool not to do file locking],
need_locks=$enableval,
need_locks=yes)

if test x"$need_locks" = xno; then
  libtool_flags="$libtool_flags --disable-lock"
fi
])

# AC_LIBTOOL_DLOPEN - check for dlopen support
AC_DEFUN(AC_LIBTOOL_DLOPEN, [lt_dlopen=yes])

# AC_ENABLE_SHARED - implement the --enable-shared flag
# Usage: AC_ENABLE_SHARED[(DEFAULT)]
#   Where DEFAULT is either `yes' or `no'.  If omitted, it defaults to
#   `yes'.
AC_DEFUN(AC_ENABLE_SHARED,
[define([AC_ENABLE_SHARED_DEFAULT], ifelse($1, no, no, yes))dnl
AC_ARG_ENABLE(shared,
changequote(<<, >>)dnl
<<  --enable-shared[=PKGS]  build shared libraries [default=>>AC_ENABLE_SHARED_DEFAULT],
changequote([, ])dnl
[p=${PACKAGE-default}
case "$enableval" in
yes) enable_shared=yes ;;
no) enable_shared=no ;;
*)
  enable_shared=no
  # Look at the argument we got.  We use all the common list separators.
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
  for pkg in $enableval; do
    if test "X$pkg" = "X$p"; then
      enable_shared=yes
    fi
  done
  IFS="$ac_save_ifs"
  ;;
esac],
enable_shared=AC_ENABLE_SHARED_DEFAULT)dnl
])

# AC_DISABLE_SHARED - set the default shared flag to --disable-shared
AC_DEFUN(AC_DISABLE_SHARED,
[AC_ENABLE_SHARED(no)])

# AC_ENABLE_STATIC - implement the --enable-static flag
# Usage: AC_ENABLE_STATIC[(DEFAULT)]
#   Where DEFAULT is either `yes' or `no'.  If omitted, it defaults to
#   `yes'.
AC_DEFUN(AC_ENABLE_STATIC,
[define([AC_ENABLE_STATIC_DEFAULT], ifelse($1, no, no, yes))dnl
AC_ARG_ENABLE(static,
changequote(<<, >>)dnl
<<  --enable-static[=PKGS]  build static libraries [default=>>AC_ENABLE_STATIC_DEFAULT],
changequote([, ])dnl
[p=${PACKAGE-default}
case "$enableval" in
yes) enable_static=yes ;;
no) enable_static=no ;;
*)
  enable_static=no
  # Look at the argument we got.  We use all the common list separators.
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
  for pkg in $enableval; do
    if test "X$pkg" = "X$p"; then
      enable_static=yes
    fi
  done
  IFS="$ac_save_ifs"
  ;;
esac],
enable_static=AC_ENABLE_STATIC_DEFAULT)dnl
])

# AC_DISABLE_STATIC - set the default static flag to --disable-static
AC_DEFUN(AC_DISABLE_STATIC,
[AC_ENABLE_STATIC(no)])


# AC_ENABLE_FAST_INSTALL - implement the --enable-fast-install flag
# Usage: AC_ENABLE_FAST_INSTALL[(DEFAULT)]
#   Where DEFAULT is either `yes' or `no'.  If omitted, it defaults to
#   `yes'.
AC_DEFUN(AC_ENABLE_FAST_INSTALL,
[define([AC_ENABLE_FAST_INSTALL_DEFAULT], ifelse($1, no, no, yes))dnl
AC_ARG_ENABLE(fast-install,
changequote(<<, >>)dnl
<<  --enable-fast-install[=PKGS]  optimize for fast installation [default=>>AC_ENABLE_FAST_INSTALL_DEFAULT],
changequote([, ])dnl
[p=${PACKAGE-default}
case "$enableval" in
yes) enable_fast_install=yes ;;
no) enable_fast_install=no ;;
*)
  enable_fast_install=no
  # Look at the argument we got.  We use all the common list separators.
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
  for pkg in $enableval; do
    if test "X$pkg" = "X$p"; then
      enable_fast_install=yes
    fi
  done
  IFS="$ac_save_ifs"
  ;;
esac],
enable_fast_install=AC_ENABLE_FAST_INSTALL_DEFAULT)dnl
])

# AC_ENABLE_FAST_INSTALL - set the default to --disable-fast-install
AC_DEFUN(AC_DISABLE_FAST_INSTALL,
[AC_ENABLE_FAST_INSTALL(no)])


# AC_PROG_LD - find the path to the GNU or non-GNU linker
AC_DEFUN(AC_PROG_LD,
[AC_ARG_WITH(gnu-ld,
[  --with-gnu-ld           assume the C compiler uses GNU ld [default=no]],
test "$withval" = no || with_gnu_ld=yes, with_gnu_ld=no)
AC_REQUIRE([AC_PROG_CC])dnl
AC_REQUIRE([AC_CANONICAL_HOST])dnl
AC_REQUIRE([AC_CANONICAL_BUILD])dnl
ac_prog=ld
if test "$ac_cv_prog_gcc" = yes; then
  # Check if gcc -print-prog-name=ld gives a path.
  AC_MSG_CHECKING([for ld used by GCC])
  ac_prog=`($CC -print-prog-name=ld) 2>&5`
  case "$ac_prog" in
    # Accept absolute paths.
changequote(,)dnl
    /* | [A-Za-z]:[\\/]*)
      re_direlt='/[^/][^/]*/\.\./'
changequote([,])dnl
      # Canonicalize the path of ld
      ac_prog=`echo $ac_prog| sed 's%\\\\%/%g'`
      while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do
	ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"`
      done
      test -z "$LD" && LD="$ac_prog"
      ;;
  "")
    # If it fails, then pretend we aren't using GCC.
    ac_prog=ld
    ;;
  *)
    # If it is relative, then search for the first ld in PATH.
    with_gnu_ld=unknown
    ;;
  esac
elif test "$with_gnu_ld" = yes; then
  AC_MSG_CHECKING([for GNU ld])
else
  AC_MSG_CHECKING([for non-GNU ld])
fi
AC_CACHE_VAL(ac_cv_path_LD,
[if test -z "$LD"; then
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:"
  for ac_dir in $PATH; do
    test -z "$ac_dir" && ac_dir=.
    if test -f "$ac_dir/$ac_prog"; then
      ac_cv_path_LD="$ac_dir/$ac_prog"
      # Check to see if the program is GNU ld.  I'd rather use --version,
      # but apparently some GNU ld's only accept -v.
      # Break only if it was the GNU/non-GNU ld that we prefer.
      if "$ac_cv_path_LD" -v 2>&1 < /dev/null | egrep '(GNU|with BFD)' > /dev/null; then
	test "$with_gnu_ld" != no && break
      else
	test "$with_gnu_ld" != yes && break
      fi
    fi
  done
  IFS="$ac_save_ifs"
else
  ac_cv_path_LD="$LD" # Let the user override the test with a path.
fi])
LD="$ac_cv_path_LD"
if test -n "$LD"; then
  AC_MSG_RESULT($LD)
else
  AC_MSG_RESULT(no)
fi
test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH])
AC_SUBST(LD)
AC_PROG_LD_GNU
])

AC_DEFUN(AC_PROG_LD_GNU,
[AC_CACHE_CHECK([if the linker ($LD) is GNU ld], ac_cv_prog_gnu_ld,
[# I'd rather use --version here, but apparently some GNU ld's only accept -v.
if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then
  ac_cv_prog_gnu_ld=yes
else
  ac_cv_prog_gnu_ld=no
fi])
])

# AC_PROG_NM - find the path to a BSD-compatible name lister
AC_DEFUN(AC_PROG_NM,
[AC_MSG_CHECKING([for BSD-compatible nm])
AC_CACHE_VAL(ac_cv_path_NM,
[if test -n "$NM"; then
  # Let the user override the test.
  ac_cv_path_NM="$NM"
else
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:"
  for ac_dir in $PATH /usr/ccs/bin /usr/ucb /bin; do
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/nm; then
      # Check to see if the nm accepts a BSD-compat flag.
      # Adding the `sed 1q' prevents false positives on HP-UX, which says:
      #   nm: unknown option "B" ignored
      if ($ac_dir/nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
	ac_cv_path_NM="$ac_dir/nm -B"
	break
      elif ($ac_dir/nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
	ac_cv_path_NM="$ac_dir/nm -p"
	break
      else
	ac_cv_path_NM=${ac_cv_path_NM="$ac_dir/nm"} # keep the first match, but
	continue # so that we can try to find one that supports BSD flags
      fi
    fi
  done
  IFS="$ac_save_ifs"
  test -z "$ac_cv_path_NM" && ac_cv_path_NM=nm
fi])
NM="$ac_cv_path_NM"
AC_MSG_RESULT([$NM])
AC_SUBST(NM)
])

# AC_SYS_NM_PARSE - Check for command to grab the raw symbol name followed
# by C symbol name from nm.
AC_DEFUN(AC_SYS_NM_PARSE,
[AC_REQUIRE([AC_CANONICAL_HOST])dnl
AC_REQUIRE([AC_PROG_NM])dnl
# Check for command to grab the raw symbol name followed by C symbol from nm.
AC_MSG_CHECKING([command to parse $NM output])
AC_CACHE_VAL(ac_cv_sys_global_symbol_pipe,
[# These are sane defaults that work on at least a few old systems.
# {They come from Ultrix.  What could be older than Ultrix?!! ;)}

changequote(,)dnl
# Character class describing NM global symbol codes.
ac_symcode='[BCDEGRST]'

# Regexp to match symbols that can be accessed directly from C.
ac_sympat='\([_A-Za-z][_A-Za-z0-9]*\)'

# Transform the above into a raw symbol and a C symbol.
ac_symxfrm='\1 \2\3 \3'

# Transform an extracted symbol line into a proper C declaration
ac_global_symbol_to_cdecl="sed -n -e 's/^. .* \(.*\)$/extern char \1;/p'"

# Define system-specific variables.
case "$host_os" in
aix*)
  ac_symcode='[BCDT]'
  ;;
cygwin* | mingw*)
  ac_symcode='[ABCDGISTW]'
  ;;
hpux*)
  ac_global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern char \1();/p' -e 's/^. .* \(.*\)$/extern char \1;/p'"
  ;;
irix*)
  ac_symcode='[BCDEGRST]'
  ;;
solaris*)
  ac_symcode='[BDT]'
  ;;
esac

# If we're using GNU nm, then use its standard symbol codes.
if $NM -V 2>&1 | egrep '(GNU|with BFD)' > /dev/null; then
  ac_symcode='[ABCDGISTW]'
fi
changequote([,])dnl

# Try without a prefix undercore, then with it.
for ac_symprfx in "" "_"; do

  ac_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[ 	]\($ac_symcode\)[ 	][ 	]*\($ac_symprfx\)$ac_sympat$/$ac_symxfrm/p'"

  # Check to see that the pipe works correctly.
  ac_pipe_works=no
  rm -f conftest.$ac_ext
  cat > conftest.$ac_ext <<EOF
#ifdef __cplusplus
extern "C" {
#endif
char nm_test_var;
void nm_test_func(){}
#ifdef __cplusplus
}
#endif
int main(){nm_test_var='a';nm_test_func;return 0;}
EOF

  if AC_TRY_EVAL(ac_compile); then
    # Now try to grab the symbols.
    ac_nlist=conftest.nm
  
    if AC_TRY_EVAL(NM conftest.$ac_objext \| $ac_cv_sys_global_symbol_pipe \> $ac_nlist) && test -s "$ac_nlist"; then

      # Try sorting and uniquifying the output.
      if sort "$ac_nlist" | uniq > "$ac_nlist"T; then
	mv -f "$ac_nlist"T "$ac_nlist"
      else
	rm -f "$ac_nlist"T
      fi

      # Make sure that we snagged all the symbols we need.
      if egrep ' nm_test_var$' "$ac_nlist" >/dev/null; then
	if egrep ' nm_test_func$' "$ac_nlist" >/dev/null; then
	  cat <<EOF > conftest.c
#ifdef __cplusplus
extern "C" {
#endif

EOF
	  # Now generate the symbol file.
	  eval "$ac_global_symbol_to_cdecl"' < "$ac_nlist" >> conftest.c'

	  cat <<EOF >> conftest.c
#if defined (__STDC__) && __STDC__
# define lt_ptr_t void *
#else
# define lt_ptr_t char *
# define const
#endif

/* The mapping between symbol names and symbols. */
const struct {
  const char *name;
  lt_ptr_t address;
}
changequote(,)dnl
lt_preloaded_symbols[] =
changequote([,])dnl
{
EOF
	sed 's/^. \(.*\) \(.*\)$/  {"\2", (lt_ptr_t) \&\2},/' < "$ac_nlist" >> conftest.c
	cat <<\EOF >> conftest.c
  {0, (lt_ptr_t) 0}
};

#ifdef __cplusplus
}
#endif
EOF
	  # Now try linking the two files.
	  mv conftest.$ac_objext conftestm.$ac_objext
	  ac_save_LIBS="$LIBS"
	  ac_save_CFLAGS="$CFLAGS"
	  LIBS="conftestm.$ac_objext"
	  CFLAGS="$CFLAGS$no_builtin_flag"
	  if AC_TRY_EVAL(ac_link) && test -s conftest; then
	    ac_pipe_works=yes
	  else
	    echo "configure: failed program was:" >&AC_FD_CC
	    cat conftest.c >&AC_FD_CC
	  fi
	  LIBS="$ac_save_LIBS"
	  CFLAGS="$ac_save_CFLAGS"
	else
	  echo "cannot find nm_test_func in $ac_nlist" >&AC_FD_CC
	fi
      else
	echo "cannot find nm_test_var in $ac_nlist" >&AC_FD_CC
      fi
    else
      echo "cannot run $ac_cv_sys_global_symbol_pipe" >&AC_FD_CC
    fi
  else
    echo "$progname: failed program was:" >&AC_FD_CC
    cat conftest.c >&AC_FD_CC
  fi
  rm -rf conftest*

  # Do not use the global_symbol_pipe unless it works.
  if test "$ac_pipe_works" = yes; then
    if test x"$ac_symprfx" = x"_"; then
      ac_cv_sys_symbol_underscore=yes
    else
      ac_cv_sys_symbol_underscore=no
    fi
    break
  else
    ac_cv_sys_global_symbol_pipe=
  fi
done
])

ac_result=yes
if test -z "$ac_cv_sys_global_symbol_pipe"; then
   ac_result=no
fi
AC_MSG_RESULT($ac_result)
])

# AC_SYS_LIBTOOL_CYGWIN - find tools needed on cygwin
AC_DEFUN(AC_SYS_LIBTOOL_CYGWIN,
[AC_CHECK_TOOL(DLLTOOL, dlltool, false)
AC_CHECK_TOOL(AS, as, false)
])

# AC_SYS_SYMBOL_UNDERSCORE - does the compiler prefix global symbols
#                            with an underscore?
AC_DEFUN(AC_SYS_SYMBOL_UNDERSCORE,
[AC_REQUIRE([AC_PROG_NM])dnl
AC_REQUIRE([AC_SYS_NM_PARSE])dnl
AC_MSG_CHECKING([for _ prefix in compiled symbols])
AC_CACHE_VAL(ac_cv_sys_symbol_underscore,
[ac_cv_sys_symbol_underscore=no
cat > conftest.$ac_ext <<EOF
void nm_test_func(){}
int main(){nm_test_func;return 0;}
EOF
if AC_TRY_EVAL(ac_compile); then
  # Now try to grab the symbols.
  ac_nlist=conftest.nm
  if AC_TRY_EVAL(NM conftest.$ac_objext \| $ac_cv_sys_global_symbol_pipe \> $ac_nlist) && test -s "$ac_nlist"; then
    # See whether the symbols have a leading underscore.
    if egrep '^. _nm_test_func' "$ac_nlist" >/dev/null; then
      ac_cv_sys_symbol_underscore=yes
    else
      if egrep '^. nm_test_func ' "$ac_nlist" >/dev/null; then
	:
      else
	echo "configure: cannot find nm_test_func in $ac_nlist" >&AC_FD_CC
      fi
    fi
  else
    echo "configure: cannot run $ac_cv_sys_global_symbol_pipe" >&AC_FD_CC
  fi
else
  echo "configure: failed program was:" >&AC_FD_CC
  cat conftest.c >&AC_FD_CC
fi
rm -rf conftest*
])
AC_MSG_RESULT($ac_cv_sys_symbol_underscore)
USE_SYMBOL_UNDERSCORE=${ac_cv_sys_symbol_underscore=no}
AC_SUBST(USE_SYMBOL_UNDERSCORE)dnl
])

# AC_CHECK_LIBM - check for math library
AC_DEFUN(AC_CHECK_LIBM, [
AC_CHECK_LIB(mw, _mwvalidcheckl)
AC_CHECK_LIB(m, cos)
])

# AC_LIBLTDL_CONVENIENCE[(dir)] - sets LIBLTDL to the link flags for
# the libltdl convenience library, adds --enable-ltdl-convenience to
# the configure arguments.  Note that LIBLTDL is not AC_SUBSTed, nor
# is AC_CONFIG_SUBDIRS called.  If DIR is not provided, it is assumed
# to be `${top_builddir}/libltdl'.  Make sure you start DIR with
# '${top_builddir}/' (note the single quotes!) if your package is not
# flat, and, if you're not using automake, define top_builddir as
# appropriate in the Makefiles.
AC_DEFUN(AC_LIBLTDL_CONVENIENCE, [
  case "$enable_ltdl_convenience" in
  no) AC_MSG_ERROR([this package needs a convenience libltdl]) ;;
  "") enable_ltdl_convenience=yes
      ac_configure_args="$ac_configure_args --enable-ltdl-convenience" ;;
  esac
  LIBLTDL=ifelse($#,1,$1,['${top_builddir}/libltdl'])/libltdlc.la
])

# AC_LIBLTDL_INSTALLABLE[(dir)] - sets LIBLTDL to the link flags for
# the libltdl installable library, and adds --enable-ltdl-install to
# the configure arguments.  Note that LIBLTDL is not AC_SUBSTed, nor
# is AC_CONFIG_SUBDIRS called.  If DIR is not provided, it is assumed
# to be `${top_builddir}/libltdl'.  Make sure you start DIR with
# '${top_builddir}/' (note the single quotes!) if your package is not
# flat, and, if you're not using automake, define top_builddir as
# appropriate in the Makefiles.
# In the future, this macro may have to be called after AC_PROG_LIBTOOL.
AC_DEFUN(AC_LIBLTDL_INSTALLABLE, [
  AC_CHECK_LIB(ltdl, main, LIBLTDL="-lltdl", [
    case "$enable_ltdl_install" in
    no) AC_MSG_WARN([libltdl not installed, but installation disabled]) ;;
    "") enable_ltdl_install=yes
        ac_configure_args="$ac_configure_args --enable-ltdl-install" ;;
    esac
  ])
  if test x"$enable_ltdl_install" != x"no"; then
    LIBLTDL=ifelse($#,1,$1,['${top_builddir}/libltdl'])/libltdl.la
  fi
])

dnl old names
AC_DEFUN(AM_PROG_LIBTOOL, [indir([AC_PROG_LIBTOOL])])dnl
AC_DEFUN(AM_ENABLE_SHARED, [indir([AC_ENABLE_SHARED], $@)])dnl
AC_DEFUN(AM_ENABLE_STATIC, [indir([AC_ENABLE_STATIC], $@)])dnl
AC_DEFUN(AM_DISABLE_SHARED, [indir([AC_DISABLE_SHARED], $@)])dnl
AC_DEFUN(AM_DISABLE_STATIC, [indir([AC_DISABLE_STATIC], $@)])dnl
AC_DEFUN(AM_PROG_LD, [indir([AC_PROG_LD])])dnl
AC_DEFUN(AM_PROG_NM, [indir([AC_PROG_NM])])dnl
AC_DEFUN(AM_SYS_NM_PARSE, [indir([AC_SYS_NM_PARSE])])dnl
AC_DEFUN(AM_SYS_SYMBOL_UNDERSCORE, [indir([AC_SYS_SYMBOL_UNDERSCORE])])dnl
AC_DEFUN(AM_SYS_LIBTOOL_CYGWIN, [indir([AC_SYS_LIBTOOL_CYGWIN])])dnl

# Like AC_CONFIG_HEADER, but automatically create stamp file.

AC_DEFUN(AM_CONFIG_HEADER,
[AC_PREREQ([2.12])
AC_CONFIG_HEADER([$1])
dnl When config.status generates a header, we must update the stamp-h file.
dnl This file resides in the same directory as the config header
dnl that is generated.  We must strip everything past the first ":",
dnl and everything past the last "/".
AC_OUTPUT_COMMANDS(changequote(<<,>>)dnl
ifelse(patsubst(<<$1>>, <<[^ ]>>, <<>>), <<>>,
<<test -z "<<$>>CONFIG_HEADERS" || echo timestamp > patsubst(<<$1>>, <<^\([^:]*/\)?.*>>, <<\1>>)stamp-h<<>>dnl>>,
<<am_indx=1
for am_file in <<$1>>; do
  case " <<$>>CONFIG_HEADERS " in
  *" <<$>>am_file "*<<)>>
    echo timestamp > `echo <<$>>am_file | sed -e 's%:.*%%' -e 's%[^/]*$%%'`stamp-h$am_indx
    ;;
  esac
  am_indx=`expr "<<$>>am_indx" + 1`
done<<>>dnl>>)
changequote([,]))])

# Add --enable-maintainer-mode option to configure.
# From Jim Meyering

# serial 1

AC_DEFUN(AM_MAINTAINER_MODE,
[AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
  dnl maintainer-mode is disabled by default
  AC_ARG_ENABLE(maintainer-mode,
[  --enable-maintainer-mode enable make rules and dependencies not useful
                          (and sometimes confusing) to the casual installer],
      USE_MAINTAINER_MODE=$enableval,
      USE_MAINTAINER_MODE=no)
  AC_MSG_RESULT($USE_MAINTAINER_MODE)
  AM_CONDITIONAL(MAINTAINER_MODE, test $USE_MAINTAINER_MODE = yes)
  MAINT=$MAINTAINER_MODE_TRUE
  AC_SUBST(MAINT)dnl
]
)

# Define a conditional.

AC_DEFUN(AM_CONDITIONAL,
[AC_SUBST($1_TRUE)
AC_SUBST($1_FALSE)
if $2; then
  $1_TRUE=
  $1_FALSE='#'
else
  $1_TRUE='#'
  $1_FALSE=
fi])

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

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

# serial 3

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

    USE_INCLUDED_LIBINTL=no

    dnl If we use NLS figure out what method
    if test "$USE_NLS" = "yes"; then
      AC_DEFINE(ENABLE_NLS, 1, [Define to 1 if NLS is requested])
      AC_MSG_CHECKING([whether included gettext is requested])
      AC_ARG_WITH(included-gettext,
        [  --with-included-gettext use the GNU gettext library included here],
        nls_cv_force_use_gnu_gettext=$withval,
        nls_cv_force_use_gnu_gettext=no)
      AC_MSG_RESULT($nls_cv_force_use_gnu_gettext)

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

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

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

	   if test "$gt_cv_func_gettext_libc" = "yes" \
	      || test "$gt_cv_func_gettext_libintl" = "yes"; then
	      AC_DEFINE(HAVE_GETTEXT, 1,
			[Define as 1 if you have gettext and don't want to use GNU gettext.])
	      AM_PATH_PROG_WITH_TEST(MSGFMT, msgfmt,
		[test -z "`$ac_dir/$ac_word -h 2>&1 | grep 'dv '`"], no)dnl
	      if test "$MSGFMT" != "no"; then
		AC_CHECK_FUNCS(dcgettext)
		AC_PATH_PROG(GMSGFMT, gmsgfmt, $MSGFMT)
		AM_PATH_PROG_WITH_TEST(XGETTEXT, xgettext,
		  [test -z "`$ac_dir/$ac_word -h 2>&1 | grep '(HELP)'`"], :)
		AC_TRY_LINK(, [extern int _nl_msg_cat_cntr;
			       return _nl_msg_cat_cntr],
		  [CATOBJEXT=.gmo
		   DATADIRNAME=share],
		  [CATOBJEXT=.mo
		   DATADIRNAME=lib])
		INSTOBJEXT=.mo
	      fi
	    fi
	])

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

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

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

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

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

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

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

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

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

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

   if test "${ac_cv_func_stpcpy+set}" != "set"; then
     AC_CHECK_FUNCS(stpcpy)
   fi
   if test "${ac_cv_func_stpcpy}" = "yes"; then
     AC_DEFINE(HAVE_STPCPY, 1, [Define if you have the stpcpy function])
   fi

   AM_LC_MESSAGES
   CY_WITH_NLS

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

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

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

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

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

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

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

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

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

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

# serial 1

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

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

# serial 1

AC_DEFUN(AM_LC_MESSAGES,
  [if test $ac_cv_header_locale_h = yes; then
    AC_CACHE_CHECK([for LC_MESSAGES], am_cv_val_LC_MESSAGES,
      [AC_TRY_LINK([#include <locale.h>], [return LC_MESSAGES],
       am_cv_val_LC_MESSAGES=yes, am_cv_val_LC_MESSAGES=no)])
    if test $am_cv_val_LC_MESSAGES = yes; then
      AC_DEFINE(HAVE_LC_MESSAGES, 1,
		[Define if your locale.h file contains LC_MESSAGES.])
    fi
  fi])