/
configure.in
1017 lines (905 loc) · 32.9 KB
/
configure.in
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
dnl
dnl configure.in -- autoconf template for nmh
dnl
dnl Move this up a bit
AC_PREREQ(2.61)
AC_INIT(nmh, m4_normalize(m4_include([VERSION])))
AC_CONFIG_SRCDIR(h/nmh.h)
AC_CONFIG_HEADER(config.h)
AC_CANONICAL_TARGET
dnl ---------------------
dnl define a macro or two
dnl ---------------------
AC_DEFUN(NMH_PROG_GNU_LIBTOOL, [
if test -n "$LIBTOOL" ; then
tmptest=`$LIBTOOL --version 2>&1 | grep GNU`
if test x"$tmptest" != x ; then
GNU_LIBTOOL=1
AC_SUBST(GNU_LIBTOOL)dnl
fi
fi
] )
echo "configuring for AC_PACKAGE_NAME-AC_PACKAGE_VERSION"
AC_SUBST(VERSION,AC_PACKAGE_VERSION)dnl
dnl What date of nmh are we building?
DATE=`cat ${srcdir}/DATE`
echo "configuring for nmh dated $DATE"
AC_SUBST(DATE)dnl
dnl --------------------------
dnl CHECK COMMAND LINE OPTIONS
dnl --------------------------
dnl Do you want to debug nmh?
AC_ARG_ENABLE(debug,
AS_HELP_STRING([--enable-debug],[enable nmh code debugging]))
dnl The old redundant --enable-nmh-debug is deprecated and undocumented.
if test x"$enable_nmh_debug" = x"yes"; then
enable_debug=yes
fi
dnl Allow users to send email from addresses other than their default?
AC_ARG_ENABLE(masquerade,
AS_HELP_STRING([--enable-masquerade='draft_from mmailid username_extension'],
[enable up to 3 types of address masquerading]),
[if test x"$enable_masquerade" = x"yes"; then
masquerade="draft_from mmailid username_extension"
else
masquerade="$enable_masquerade"
fi], [masquerade="draft_from mmailid username_extension"])
AC_SUBST(masquerade)dnl
dnl Do you want mhe support?
AC_ARG_ENABLE(mhe,
AS_HELP_STRING([--disable-mhe],[disable mhe support]))
dnl mhe support is on by default, so define it unless --disable-mhe or the
dnl deprecated, undocumented --disable-nmh-mhe are specified.
if test x"$enable_mhe" != x"no" -a x"$enable_nmh_mhe" != x"no"; then
AC_DEFINE(MHE, 1,
[Define to compile in support for the Emacs front-end mh-e.])dnl
fi
dnl Do you want client-side support for pop?
AC_ARG_ENABLE(pop,
AS_HELP_STRING([--enable-pop], [enable client-side support for plain POP3]))
dnl The old redundant --enable-nmh-pop is deprecated and undocumented.
if test x"$enable_nmh_pop" = x"yes"; then
enable_pop=yes
fi
dnl Do you want to disable use of locale functions
AH_TEMPLATE([LOCALE],
[Undefine if you don't want locale features. By default this is defined.])
AC_ARG_ENABLE([locale],
AC_HELP_STRING([--disable-locale], [turn off locale features]),
[if test x$enableval = xyes; then
AC_DEFINE(LOCALE)
fi],
AC_DEFINE(LOCALE)
)
dnl Do you want client-side support for using SASL for authentication?
dnl Note that this code will be enabled for both POP and SMTP
AC_ARG_WITH(cyrus-sasl, AS_HELP_STRING([--with-cyrus-sasl],
[Enable SASL support via the Cyrus SASL library]))
if test x"$with_cyrus_sasl" != x -a x"$with_cyrus_sasl" != x"no"; then
AC_DEFINE(CYRUS_SASL, 1,
[Define to use the Cyrus SASL library for authentication of POP and SMTP.])dnl
if test x"$with_cyrus_sasl" != xyes; then
AC_MSG_WARN([Arguments to --with-cyrus-sasl now ignored])
AC_MSG_WARN([Please pass the appropriate arguments to CPPFLAGS/LDFLAGS])
fi
sasl_support=yes
else
sasl_support=no
fi
dnl Do you want client-side support for encryption with TLS?
AC_ARG_WITH(tls, AS_HELP_STRING([--with-tls], [Enable TLS support]))
if test x"$with_tls" != x -a x"$with_tls" != x"no"; then
AC_DEFINE(TLS_SUPPORT, 1, [Support TLS for session encryption.])dnl
tls_support=yes
else
tls_support=no
fi
dnl What should be the default editor?
AC_ARG_WITH(editor,
AS_HELP_STRING([--with-editor=EDITOR],[specify the default editor]))
if test -n "$with_editor"; then
editorpath="$with_editor"
fi
dnl Set the backup prefix
AC_ARG_WITH([hash-backup],
AS_HELP_STRING([--with-hash-backup],[use # as the backup prefix (default: ,)]))
if test x"$with_hash_backup" != x -a x"$with_hash_backup" != x"no"; then
backup_prefix="#"
else
backup_prefix=","
fi
AC_DEFINE_UNQUOTED(BACKUP_PREFIX, "$backup_prefix",
[The prefix that is prepended to the name of message files when they are "removed" by rmm. This should typically be `,' or `#'.])dnl
dnl After we know if we're including apop and kpop support, do pop stuff
if test x"$enable_pop" = x"yes"; then
AC_DEFINE(POP, 1,
[Define this to compile client-side support for pop into inc and msgchk.])dnl
POPLIB=popsbr.o
POPSED='/^%nmhbeginpop%/d;/^%nmhendpop%/d'
else
POPSED='/^%nmhbeginpop%/,/^%nmhendpop%/d'
fi
AC_SUBST(POPLIB)dnl
AC_SUBST(POPSED)dnl
dnl What method of locking to use?
AC_ARG_WITH(locking,
AS_HELP_STRING([--with-locking=@<:@dot|fcntl|flock|lockf@:>@],
[specify the file locking method]))
if test x"$with_locking" = x"dot"; then
LOCKTYPE="dot"
AC_DEFINE(DOT_LOCKING, 1, [Define to use dot based file locking.])dnl
elif test x"$with_locking" = x"flock"; then
LOCKTYPE="flock"
AC_DEFINE(FLOCK_LOCKING, 1, [Define to use flock() based locking.])dnl
elif test x"$with_locking" = x"lockf"; then
LOCKTYPE="lockf"
AC_DEFINE(LOCKF_LOCKING, 1, [Define to use lockf() based locking.])dnl
elif test x"$with_locking" = x"fcntl"; then
LOCKTYPE="fcntl"
AC_DEFINE(FCNTL_LOCKING, 1, [Define to use fnctl() based locking.])dnl
else
LOCKTYPE="dot"
AC_DEFINE(DOT_LOCKING)dnl
fi
dnl What method of posting should post use?
AC_ARG_WITH(mts,
AS_HELP_STRING([--with-mts=@<:@smtp|sendmail@:>@],
[specify the default mail transport agent/service]))
if test x"$with_mts" = x"smtp"; then
MTS="smtp"
elif test x"$with_mts" = x"sendmail"; then
MTS="sendmail"
else
MTS="smtp"
fi
AC_SUBST(MTS)dnl
dnl Both the smtp and sendmail mail transport services use the smtp code
AC_DEFINE(SMTPMTS, 1,
[Define if you want SMTP (simple mail transport protocol) support.])dnl
dnl What should be the default pager?
AC_ARG_WITH(pager,
AS_HELP_STRING([--with-pager=PAGER],[specify the default pager]))
if test -n "$with_pager"; then
pagerpath="$with_pager"
fi
dnl What should be the default mail server(s)?
AC_ARG_WITH(smtpservers,
AS_HELP_STRING([--with-smtpservers='SMTPSERVER1@<:@ SMTPSERVER2...@:>@'],
[specify the default SMTP server(s) @<:@localhost@:>@]))
if test -n "$with_smtpservers"; then
smtpservers="$with_smtpservers"
else
smtpservers="localhost"
fi
AC_SUBST(smtpservers)dnl
dnl ----------------------------------------------------
dnl Default location is /usr/local/nmh/{bin,etc,lib,man}
dnl ----------------------------------------------------
AC_PREFIX_DEFAULT(/usr/local/nmh)
dnl ------------------
dnl CHECK THE COMPILER
dnl ------------------
dnl We want these before the checks,
dnl so the checks can modify their values.
test -z "$CFLAGS" && CFLAGS= auto_cflags=1
if test x"$enable_debug" = x"yes"; then
test -z "$LDFLAGS" && LDFLAGS=-g
fi
AC_PROG_CC
AC_CACHE_CHECK(whether compiler supports -Wno-pointer-sign, nmh_cv_has_noptrsign,
[nmh_saved_cflags="$CFLAGS"
CFLAGS="$CFLAGS -Wno-pointer-sign"
AC_TRY_COMPILE([],[],nmh_cv_has_noptrsign=yes,nmh_cv_has_noptrsign=no)
CFLAGS="$nmh_saved_cflags"])
dnl if the user hasn't specified CFLAGS, then
dnl if compiler is gcc, then
dnl use -O2 and some warning flags
dnl else use -O
dnl We use -Wall; if the compiler supports it we also use -Wno-pointer-sign,
dnl because gcc 4 now produces a lot of new warnings which are probably mostly
dnl spurious and which in any case we don't want to deal with now.
if test "$nmh_cv_has_noptrsign" = "yes"; then
nmh_gcc_warnflags="-Wall -Wno-pointer-sign"
else
nmh_gcc_warnflags="-Wall"
fi
if test -n "$auto_cflags"; then
if test x"$enable_debug" = x"yes"; then
if test -n "$GCC"; then
test -z "$CFLAGS" && CFLAGS="$nmh_gcc_warnflags -g" || CFLAGS="$CFLAGS $nmh_gcc_warnflags -g"
else
test -z "$CFLAGS" && CFLAGS=-g || CFLAGS="$CFLAGS -g"
fi
else
if test -z "$LDFLAGS"; then
case "$build_os" in
darwin*)
LDFLAGS=
;;
*)
LDFLAGS=-s
;;
esac
fi
if test -n "$GCC"; then
test -z "$CFLAGS" && CFLAGS="$nmh_gcc_warnflags -O2" || CFLAGS="$CFLAGS $nmh_gcc_warnflags -O2"
else
test -z "$CFLAGS" && CFLAGS=-O || CFLAGS="$CFLAGS -O"
fi
fi
fi
AC_C_CONST dnl Does compiler support `const'.
dnl ------------------
dnl CHECK FOR PROGRAMS
dnl ------------------
AC_PROG_MAKE_SET dnl Does make define $MAKE
AC_PROG_INSTALL dnl Check for BSD compatible `install'
AC_PROG_RANLIB dnl Check for `ranlib'
AC_PROG_AWK dnl Check for mawk,gawk,nawk, then awk
AC_PROG_LEX dnl Check for lex/flex
dnl Look for `cut'
pathtmp=/usr/bin:/bin:/usr/local/bin:/usr/xpg4/bin:/usr/ucb
AC_PATH_PROG(cutpath, cut, no, [$pathtmp])
dnl ----------------------------------------------
dnl check for lclint, and lint if it doesn't exist
dnl ----------------------------------------------
AC_CHECK_PROG(linttmp1, lclint, lclint, no)dnl
if test x$ac_cv_prog_linttmp1 != xno ; then
LINT=$ac_cv_prog_linttmp1
LINTFLAGS="-weak +posixlib -macrovarprefixexclude"
else
AC_CHECK_PROG(linttmp2, lint, lint, no)dnl
if test x$ac_cv_prog_linttmp2 != xno ; then
LINT=$ac_cv_prog_linttmp2
LINTFLAGS=""
else
LINT="echo 'No lint program found'"
LINTFLAGS=""
fi
fi
AC_SUBST(LINT)dnl
AC_SUBST(LINTFLAGS)dnl
dnl try to figure out which one we've got
AC_CHECK_PROG(LIBTOOL, libtool, libtool, , [$pathtmp])
NMH_PROG_GNU_LIBTOOL
dnl Check for lorder and tsort commands
AC_CHECK_PROG(LORDER, lorder, lorder, no)dnl
AC_CHECK_PROG(TSORT, tsort, tsort, no)dnl
dnl If either doesn't exist, replace them with echo and cat
if test x$ac_cv_prog_LORDER != xlorder -o x$ac_cv_prog_TSORT != xtsort; then
LORDER=echo
TSORT=cat
AC_SUBST(LORDER)dnl
AC_SUBST(TSORT)dnl
dnl Mac OS X has lorder, but sh is too broken for it to work
dnl elif test -z "`lorder config/config.c 2>&1 | grep config/config.c`" ; then
dnl LORDER=echo
dnl TSORT=cat
dnl AC_SUBST(LORDER)dnl
dnl AC_SUBST(TSORT)dnl
fi
dnl Check whether tsort can deal with loops
AC_CACHE_CHECK(whether tsort can deal with loops, nmh_cv_tsort_loop,
[if test -z "`echo a b b a | tsort 2>/dev/null | grep a`" ; then
nmh_cv_tsort_loop=no
else
nmh_cv_tsort_loop=yes
fi])
if test x$nmh_cv_tsort_loop = xno ; then
LORDER=echo
TSORT=cat
AC_SUBST(LORDER)dnl
AC_SUBST(TSORT)dnl
fi
dnl Look for `ls'
pathtmp=/usr/bin:/bin:/usr/local/bin:/usr/xpg4/bin:/usr/ucb
AC_PATH_PROG(lspath, ls, no, [$pathtmp])
dnl See how we get ls to display the owner and the group
if test "$lspath" != "no"; then
AC_CACHE_CHECK(how to get ls to show us the group ownership of a file,
nmh_cv_ls_grpopt,
[if test x"`$lspath -dl / | $AWK '{print $9}'`" = x"/"; then
dnl There were 9 parameters, so unless this is a really bizarre, nonstandard
dnl ls, it would seem -l gave us both the user and group. On this type of
dnl ls, -g makes _only_ the group be displayed (and not the user).
nmh_cv_ls_grpopt="-l"
else
dnl Looks like -l only gave us the user, so we need -g to get the group too.
nmh_cv_ls_grpopt="-lg"
fi])
fi
dnl Look for `more'
pathtmp=/usr/bin:/bin:/usr/ucb:/usr/local/bin
AC_PATH_PROG(morepath, more, no, [$pathtmp])
dnl If pager is not specified yet,
dnl then use `more' as the default.
if test -z "$pagerpath"; then
pagerpath="$morepath"
fi
AC_SUBST(pagerpath)dnl
dnl Look for `sendmail'
pathtmp=/usr/lib:/usr/sbin:/usr/etc:/usr/ucblib:/usr/bin:/bin
AC_PATH_PROG(sendmailpath, sendmail, /usr/sbin/sendmail, [$pathtmp])
dnl Look for `vi'
pathtmp=/usr/bin:/bin:/usr/ucb:/usr/local/bin
AC_PATH_PROG(vipath, vi, /bin/vi, [$pathtmp])
dnl If editor is not specified yet,
dnl then use `vi' as the default.
if test -z "$editorpath"; then
editorpath="$vipath"
fi
AC_SUBST(editorpath)dnl
dnl ----------------------------------------------------------
dnl FIND MAIL SPOOL AND SEE IF WE NEED TO MAKE inc SETGID MAIL
dnl ----------------------------------------------------------
AC_CACHE_CHECK(where mail spool is located, nmh_cv_mailspool,
[for mailspool in /var/mail dnl
/var/spool/mail dnl
/usr/spool/mail dnl
/dev/null; dnl Just in case we fall through
do
test -d $mailspool && break
done
nmh_cv_mailspool=$mailspool
])
mailspool=$nmh_cv_mailspool
AC_SUBST(mailspool)dnl
dnl See whether the mail spool directory is world-writable.
if test "$lspath" != "no" -a "$cutpath" != "no"; then
AC_CACHE_CHECK(whether the mail spool is world-writable,
nmh_cv_mailspool_world_writable,
[if test "`$lspath -dlL $mailspool | $cutpath -c9`" = "-"; then
nmh_cv_mailspool_world_writable=no
else
nmh_cv_mailspool_world_writable=yes
fi])
fi
dnl Also, check for liblockfile (as found on Debian systems)
AC_CHECK_HEADER(lockfile.h, AC_CHECK_LIB(lockfile, lockfile_create) )
dnl and whether its companion program dotlockfile is setgid
AC_PATH_PROG(dotlockfilepath, dotlockfile, no)
if test "$ac_cv_lib_lockfile_lockfile_create" != "no" ; then
if test "$ac_cv_path_dotlockfilepath" != "no" ; then
AC_CACHE_CHECK(whether dotlockfile is setgid, nmh_cv_dotlockfile_setgid,
[ if test -g "$ac_cv_path_dotlockfilepath" ; then
nmh_cv_dotlockfile_setgid=yes
else
nmh_cv_dotlockfile_setgid=no
fi])
fi
fi
dnl If mailspool is not world-writable and dotlockfile is not setgid,
dnl we need to #define MAILGROUP to 1 and make inc setgid.
if test x"$LOCKTYPE" = x"dot" -a x"$nmh_cv_mailspool_world_writable" = x"no" -a x"$nmh_cv_dotlockfile_setgid" != x"yes" ; then
dnl do we really need both of these?
AC_DEFINE(MAILGROUP,1,
[Define to 1 if you need to make `inc' set-group-id because your mail spool is not world writable. There are no guarantees as to the safety of doing this, but this #define will add some extra security checks.])dnl
SETGID_MAIL=1
fi
AC_SUBST(SETGID_MAIL)dnl
dnl Use ls to see which group owns the mail spool directory.
AC_CACHE_CHECK(what group owns the mail spool, nmh_cv_ls_mail_grp,
[nmh_cv_ls_mail_grp=`$lspath -dL $nmh_cv_ls_grpopt $mailspool|$AWK '{print $4}'`
])
MAIL_SPOOL_GRP=$nmh_cv_ls_mail_grp
AC_SUBST(MAIL_SPOOL_GRP)dnl
dnl ------------------
dnl CHECK HEADER FILES
dnl ------------------
dnl On glibc we need to define at least the '_XOPEN_SOURCE' level of features,
dnl or wchar.h doesn't declare a prototype for wcwidth(). But if we only define
dnl that level then db.h won't compile. So we define _GNU_SOURCE which turns
dnl on everything. Perhaps other OSes need some feature switch set to get wcwidth()
dnl declared; if so they should have an entry added to this case statement.
dnl NB that we must define this on the compiler command line, not in config.h,
dnl because it must be set before any system header is included and there's no
dnl portable way to make sure that files generated by lex include config.h
dnl before system header files.
case "$target_os" in
linux*)
# Like DEFS, but doesn't get stomped on by configure when using config.h:
OURDEFS="$OURDEFS -D_GNU_SOURCE"
;;
esac
AC_SUBST(OURDEFS)
AC_HEADER_DIRENT
AC_HEADER_STDC
AC_HEADER_TIME
AC_HEADER_SYS_WAIT
AC_HEADER_STAT
AC_HEADER_TIOCGWINSZ
AC_CHECK_HEADERS(string.h memory.h stdlib.h unistd.h errno.h fcntl.h \
limits.h crypt.h termcap.h termio.h termios.h locale.h \
langinfo.h wchar.h wctype.h iconv.h netdb.h \
sys/param.h sys/time.h sys/utsname.h sys/stream.h \
arpa/inet.h arpa/ftp.h)
dnl
dnl Checks for _IO_write_ptr. A Linuxism used by nmh on linux. We
dnl really use a whole set of them, but this check should be
dnl sufficient.
dnl
AC_CHECK_HEADER(libio.h, [
AC_EGREP_HEADER(_IO_write_ptr, libio.h, [
AC_DEFINE(LINUX_STDIO,1,[Use the Linux _IO_*_ptr defines from <libio.h>.]) ]) ])
AC_CHECK_HEADER([sys/ptem.h], AC_DEFINE(WINSIZE_IN_PTEM,1,
[Define to 1 if `struct winsize' requires <sys/ptem.h>.]),,
[[#if HAVE_SYS_STREAM_H
# include <sys/stream.h>
#endif
]])
dnl ---------------
dnl CHECK FUNCTIONS
dnl ---------------
AC_FUNC_VFORK
AC_CHECK_LIB(mkstemp,mkstemp)
AC_CHECK_FUNCS(waitpid wait3 sigaction sigprocmask sigblock sigsetmask \
sighold sigrelse writev lstat uname tzset killpg mkstemp \
getutent nl_langinfo mbtowc wcwidth)
dnl sigsetjmp may be a macro
AC_MSG_CHECKING(for sigsetjmp)
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <setjmp.h>]],
[[sigsetjmp((void *)0, 0);]])],[AC_DEFINE(HAVE_SIGSETJMP, 1,
[Define to 1 if you have the `sigsetjmp'.]) AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)])
AC_REPLACE_FUNCS(memmove snprintf strerror strdup)
dnl Look for the initgroups() declaration. On AIX 4.[13], Solaris 4.1.3, and
dnl ULTRIX 4.2A the function is defined in libc but there's no declaration in
dnl any system header.
dnl
dnl On Solaris 2.[456], the declaration is in <grp.h>. On HP-UX 9-11 and
dnl (reportedly) FreeBSD 3.[23], it's in <unistd.h>. Any other locations we
dnl need to check?
AH_TEMPLATE(INITGROUPS_HEADER, [Define to the header containing the declaration of `initgroups'.])
AC_EGREP_HEADER(initgroups, grp.h, AC_DEFINE(INITGROUPS_HEADER, <grp.h>),
AC_EGREP_HEADER(initgroups, unistd.h,
AC_DEFINE(INITGROUPS_HEADER, <unistd.h>)))
dnl On AIX 4.1, snprintf() is defined in libc.a but there's no prototype in
dnl <stdio.h> or elsewhere. Apparently it's not officially supported (though it
dnl seems to work perfectly and IBM apparently uses it in internal code).
dnl Anyhow, if we omit our own snprintf() and vsnprintf() prototypes when we
dnl HAVE_SNPRINTF, we get a billion warnings at compile time. Use the C
dnl preprocessor to preprocess stdio.h and make sure that there's actually a
dnl prototype.
AC_EGREP_HEADER(snprintf, stdio.h, AC_DEFINE(HAVE_SNPRINTF_PROTOTYPE,1,
[Define to 1 if <stdio.h> has a prototype for snprintf().]))
dnl Check for multibyte character set support
if test "x$ac_cv_header_wchar_h" = "xyes" -a "x$ac_cv_header_wctype_h" = "xyes" \
-a "x$ac_cv_func_wcwidth" = "xyes" -a "x$ac_cv_func_mbtowc" = "xyes"; then
AC_DEFINE(MULTIBYTE_SUPPORT, 1,
[Define to enable support for multibyte character sets.])
fi
dnl -------------------
dnl CHECK FOR LIBRARIES
dnl -------------------
dnl Check location of modf
AC_CHECK_FUNC(modf, , AC_CHECK_LIB(m, modf))
dnl Checks for network libraries (nsl, socket)
AC_CHECK_NETLIBS
termcap_curses_order="termcap curses ncurses"
for lib in $termcap_curses_order; do
AC_CHECK_LIB(${lib}, tgetent, [TERMLIB="-l$lib"; break])
done
AC_SUBST(TERMLIB)dnl
dnl ---------------
dnl CHECK FOR ICONV
dnl ---------------
dnl Find iconv. It may be in libiconv and may be iconv() or libiconv()
if test "x$ac_cv_header_iconv_h" = "xyes"; then
AC_CHECK_FUNC(iconv, ac_found_iconv=yes, ac_found_iconv=no)
if test "x$ac_found_iconv" = "xno"; then
AC_CHECK_LIB(iconv, iconv, ac_found_iconv=yes)
if test "x$ac_found_iconv" = "xno"; then
AC_CHECK_LIB(iconv, libiconv, ac_found_iconv=yes)
fi
if test "x$ac_found_iconv" != "xno"; then
LIBS="-liconv $LIBS"
fi
else
dnl Handle case where there is a native iconv but iconv.h is from libiconv
AC_CHECK_DECL(_libiconv_version,
[ AC_CHECK_LIB(iconv, libiconv, LIBS="-liconv $LIBS") ],,
[ #include <iconv.h> ])
fi
fi
if test "x$ac_found_iconv" = xyes; then
AC_DEFINE(HAVE_ICONV, 1, [Define if you have the iconv() function.])
fi
dnl Check if iconv uses const in prototype declaration
if test "x$ac_found_iconv" = "xyes"; then
AC_CACHE_CHECK(for iconv declaration, ac_cv_iconv_const,
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdlib.h>
#include <iconv.h>]],
[[#ifdef __cplusplus
"C"
#endif
#if defined(__STDC__) || defined(__cplusplus)
size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
#else
size_t iconv();
#endif]])],
[ac_cv_iconv_const=],
[ac_cv_iconv_const=const])])
AC_DEFINE_UNQUOTED([ICONV_CONST], $ac_cv_iconv_const,
[Define as const if the declaration of iconv() needs const.])
fi
dnl --------------
dnl CHECK FOR NDBM
dnl --------------
AC_ARG_WITH([ndbm],AS_HELP_STRING([--with-ndbm=ARG],[use -lARG to link with ndbm]),
[nmh_ndbm=$withval],[nmh_ndbm=autodetect])
AC_ARG_WITH([ndbmheader],AS_HELP_STRING([--with-ndbmheader=ARG],[#include <ARG> to use ndbm]),
[nmh_ndbmheader=$withval],[nmh_ndbmheader=autodetect])
if test "$nmh_ndbm" = "autodetect"; then
if test "$nmh_ndbmheader" != "autodetect"; then
AC_MSG_ERROR([must specify both --with-ndbm and --with-ndbmheader or neither])
else
dnl There are at least four implementations of ndbm, and
dnl several of those can be in different places at the whim
dnl of the system integrator. A good summary of this mess
dnl can be found at http://www.unixpapa.com/incnote/dbm.html
dnl Classic ndbm with no library required (eg NetBSD): try this
dnl first so we don't accidentally link in a pointless but harmless
dnl library in one of the later ndbm.h+libfoo tests:
NMH_CHECK_NDBM(ndbm.h,,,
dnl Berkeley DBv2 emulating ndbm: header in db.h:
NMH_CHECK_NDBM(db.h,db,,
dnl Berkeley DBv1 emulating ndbm:
NMH_CHECK_NDBM(ndbm.h,db,,
NMH_CHECK_NDBM(ndbm.h,db1,,
dnl Classic ndbm:
NMH_CHECK_NDBM(ndbm.h,ndbm,,
dnl glibc2.1 systems put db1 in a subdir:
NMH_CHECK_NDBM(db1/ndbm.h,db1,,
dnl GNU gdbm emulating ndbm, with header possibly in gdbm/
dnl and possibly needing gbdm_compat library:
NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm,,
NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm_compat -lgdbm,,
NMH_CHECK_NDBM(ndbm.h,gdbm,,
NMH_CHECK_NDBM(ndbm.h,gdbm_compat -lgdbm))))))))))
fi
else
dnl We don't really need to check that the user-specified values work,
dnl but it is a convenience to the user to bomb out early rather than
dnl after configure and half the compile process.
NMH_CHECK_NDBM([$nmh_ndbmheader],[$nmh_ndbm])
fi
if test "$nmh_ndbm_found" = "no"; then
AC_MSG_ERROR([could not find a working ndbm library/header combination])
else
dnl Now export the lib/header to our makefile/config.h:
if test x"$nmh_ndbmheader" != x; then
AC_DEFINE_UNQUOTED(NDBM_HEADER, <$nmh_ndbmheader>,
[Define to the header containing the ndbm API prototypes.])
fi
if test x"$nmh_ndbm" != x; then
NDBM_LIBS="-l$nmh_ndbm"
else
NDBM_LIBS=
fi
AC_SUBST(NDBM_LIBS)
fi
dnl --------------------
dnl CHECK FOR CYRUS-SASL
dnl --------------------
AS_IF([test x"$sasl_support" = x"yes"],[
AC_CHECK_HEADER([sasl/sasl.h], , [AC_MSG_ERROR([sasl.h not found])])
AC_CHECK_LIB([sasl2], [sasl_client_new], ,
[AC_MSG_ERROR([Cyrus SASL library not found])])])
dnl -----------------
dnl CHECK FOR OPENSSL
dnl -----------------
AS_IF([test x"$tls_support" = x"yes"],[
AC_CHECK_HEADER([openssl/ssl.h], , [AC_MSG_ERROR([openssl/ssl.h not found])])
AC_CHECK_LIB([crypto], [BIO_write], ,
[AC_MSG_ERROR([OpenSSL crypto library not found])])
AC_CHECK_LIB([ssl], [SSL_library_init], ,
[AC_MSG_ERROR([OpenSSL library not found])])])
dnl ---------------------
dnl CHECK TERMCAP LIBRARY
dnl ---------------------
dnl Add the termcap library, so that the following configure
dnl tests will find it when it tries to link test programs.
nmh_save_LIBS="$LIBS"
LIBS="$TERMLIB $LIBS"
dnl Checks for external variable ospeed in the termcap library.
AC_CACHE_CHECK(if an include file defines ospeed,
nmh_cv_decl_ospeed_include_defines,
[AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
#if HAVE_TERMIOS_H
#include <termios.h>
#endif
#if HAVE_TERMCAP_H
#include <termcap.h>
#endif]], [[ospeed = 0;]])],
nmh_cv_decl_ospeed_include_defines=yes,nmh_cv_decl_ospeed_include_defines=no)])
if test $nmh_cv_decl_ospeed_include_defines = no; then
AC_CACHE_CHECK(if you must define ospeed,
nmh_cv_decl_ospeed_must_define,
[AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
[[extern short ospeed; ospeed = 0;]])],
nmh_cv_decl_ospeed_must_define=yes,nmh_cv_decl_ospeed_must_define=no)])
fi
AH_TEMPLATE(HAVE_OSPEED, [Define to 1 if your termcap library has the ospeed variable.])
if test $nmh_cv_decl_ospeed_include_defines = yes; then
AC_DEFINE(HAVE_OSPEED)dnl
elif test $nmh_cv_decl_ospeed_must_define = yes; then
AC_DEFINE(HAVE_OSPEED)
AC_DEFINE(MUST_DEFINE_OSPEED, 1,
[Define to 1 if you have ospeed, but it is not defined in termcap.h.])
fi
dnl Check if tgetent accepts NULL (and will allocate its own termcap buffer)
dnl Some termcaps reportedly accept a zero buffer, but then dump core
dnl in tgetstr().
dnl Under Cygwin test program crashes but exit code is still 0. So,
dnl we test for a file that porgram should create
AH_TEMPLATE([TGETENT_ACCEPTS_NULL],
[Define to 1 if tgetent() accepts NULL as a buffer.])
AC_CACHE_CHECK(if tgetent accepts NULL,
nmh_cv_func_tgetent_accepts_null,
[AC_TRY_RUN([
main()
{
char buf[4096];
int r1 = tgetent(buf, "vt100");
int r2 = tgetent((char*)0,"vt100");
if (r1 >= 0 && r1 == r2) {
char tbuf[1024], *u;
u = tbuf;
tgetstr("cl", &u);
creat("conftest.tgetent", 0640);
}
exit((r1 != r2) || r2 == -1);
}
],
if test -f conftest.tgetent; then
nmh_cv_func_tgetent_accepts_null=yes
else
nmh_cv_func_tgetent_accepts_null=no
fi,
nmh_cv_func_tgetent_accepts_null=no,
nmh_cv_func_tgetent_accepts_null=no)])
if test x$nmh_cv_func_tgetent_accepts_null = xyes; then
AC_DEFINE(TGETENT_ACCEPTS_NULL)
fi
AC_CACHE_CHECK(if tgetent returns 0 on success,
nmh_cv_func_tgetent_zero_success,
[AC_TRY_RUN([
main()
{
char buf[4096];
int r1 = tgetent(buf, "!@#$%^&*");
int r2 = tgetent(buf, "vt100");
if (r1 < 0 && r2 == 0) {
char tbuf[1024], *u;
u = tbuf;
tgetstr("cl", &u);
creat("conftest.tgetent0", 0640);
}
exit(r1 == r2);
}
],
if test -f conftest.tgetent0; then
nmh_cv_func_tgetent_zero_success=yes
else
nmh_cv_func_tgetent_zero_success=no
fi,
nmh_cv_func_tgetent_zero_success=no,
nmh_cv_func_tgetent_zero_success=no)])
AH_TEMPLATE([TGETENT_SUCCESS],
[Define to what tgetent() returns on success (0 on HP-UX X/Open curses).])
if test x$nmh_cv_func_tgetent_zero_success = xyes; then
AC_DEFINE(TGETENT_SUCCESS, 0)
else
AC_DEFINE(TGETENT_SUCCESS, 1)
fi
dnl Now put the libraries back to what it was before we
dnl starting checking the termcap library.
LIBS="$nmh_save_LIBS"
dnl --------------
dnl CHECK TYPEDEFS
dnl --------------
AC_TYPE_SIGNAL
AC_TYPE_PID_T
AC_TYPE_OFF_T
AC_TYPE_UID_T
AC_TYPE_MODE_T
AC_TYPE_SIZE_T
dnl Check for sigset_t. Currently I'm looking in
dnl <sys/types.h> and <signal.h>. Others might need
dnl to be added.
AC_CACHE_CHECK(for sigset_t, nmh_cv_type_sigset_t,
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
#include <signal.h>]], [[sigset_t tempsigset;]])],
nmh_cv_type_sigset_t=yes,nmh_cv_type_sigset_t=no)])
if test $nmh_cv_type_sigset_t = no; then
AC_DEFINE(sigset_t, unsigned int,
[Define to `unsigned int' if <sys/types.h> or <signal.h> doesn't define.])
fi
dnl ----------------
dnl CHECK STRUCTURES
dnl ----------------
AC_CHECK_MEMBERS(struct stat.st_blksize)
AC_CHECK_MEMBERS(struct tm.tm_gmtoff,,,
[#ifdef TIME_WITH_SYS_TIME
# include <sys/time.h>
# include <time.h>
#else
# ifdef TM_IN_SYS_TIME
# include <sys/time.h>
# else
# include <time.h>
# endif
#endif])
AC_CHECK_MEMBERS(struct utmp.ut_type,,,[#include <utmp.h>])
AC_MSG_CHECKING(for union wait)
AC_CACHE_VAL(nmh_cv_union_wait, [dnl
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
#include <sys/wait.h>]],
[[union wait status; int pid; pid = wait (&status);
#ifdef WEXITSTATUS
/* Some POSIXoid systems have both the new-style macros and the old
union wait type, and they do not work together. If union wait
conflicts with WEXITSTATUS et al, we don't want to use it at all. */
if (WEXITSTATUS (status) != 0) pid = -1;
#ifdef WTERMSIG
/* If we have WEXITSTATUS and WTERMSIG, just use them on ints. */
-- blow chunks here --
#endif
#endif
#ifdef HAVE_WAITPID
/* Make sure union wait works with waitpid. */
pid = waitpid (-1, &status, 0);
#endif
]])],
[nmh_cv_union_wait=yes],
[nmh_cv_union_wait=no])])
if test "$nmh_cv_union_wait" = yes; then
AC_DEFINE(HAVE_UNION_WAIT, 1,
[Define to 1 if you have the \`union wait' type in <sys/wait.h>.])
fi
AC_MSG_RESULT($nmh_cv_union_wait)
CHECK_TYPE_STRUCT_DIRENT_D_TYPE()
dnl -------------
dnl CHECK SIGNALS
dnl -------------
dnl What style of signal do you have (POSIX, BSD, or SYSV)?
AH_TEMPLATE(RELIABLE_SIGNALS, [Define to 1 if you have reliable signals.])
AC_MSG_CHECKING(what style of signals to use)
if test $ac_cv_func_sigaction = yes -a $ac_cv_func_sigprocmask = yes; then
signals_style=POSIX_SIGNALS
AC_DEFINE(POSIX_SIGNALS, 1,
[Define to 1 if you use POSIX style signal handling.])
AC_DEFINE(RELIABLE_SIGNALS)
elif test $ac_cv_func_sigblock = yes -a $ac_cv_func_sigsetmask = yes; then
signals_style=BSD_SIGNALS
AC_DEFINE(BSD_SIGNALS,1,
[Define to 1 if you use BSD style signal handling (and can block signals).])
AC_DEFINE(RELIABLE_SIGNALS)
elif test $ac_cv_func_sighold = yes -a $ac_cv_func_sigrelse = yes; then
signals_style=SYSV_SIGNALS
AC_DEFINE(SYSV_SIGNALS,1,
[Define to 1 if you use SYSV style signal handling (and can block signals).])
else
signals_style=NO_SIGNAL_BLOCKING
AC_DEFINE(NO_SIGNAL_BLOCKING,1,
[Define to 1 if you have no signal blocking at all (bummer).])
fi
AC_MSG_RESULT($signals_style)
dnl Where is <signal.h> located? Needed as input for signames.awk
AC_CACHE_CHECK(where signal.h is located, nmh_cv_path_signal_h,
[for SIGNAL_H in /usr/include/bsd/sys/signal.h dnl Next
/usr/include/asm/signal.h dnl Linux 1.3.0 and above
/usr/include/asm/signum.h dnl some versions of Linux/Alpha
/usr/include/linux/signal.h dnl Linux up to 1.2.11
/usr/include/sys/signal.h dnl Almost everybody else
/dev/null; dnl Just in case we fall through
do
test -f $SIGNAL_H && \
grep '#[ ]*define[ ][ ]*SIG[0-9A-Z]*[ ]*[0-9][0-9]*' $SIGNAL_H > /dev/null && \
break
done
nmh_cv_path_signal_h=$SIGNAL_H
])
SIGNAL_H=$nmh_cv_path_signal_h
AC_SUBST(SIGNAL_H)dnl
dnl ----------------
dnl OS SPECIFIC DEFINES
dnl ----------------
AH_TEMPLATE(SYS5, [Defined for Solaris 2.x, Irix, OSF/1, HP-UX, AIX, SCO5; only used in vmh.c which is not built.])
AH_TEMPLATE(SVR4, [Defined for Solaris 2.x, Irix, OSF/1, HP-UX, AIX; only used in vmh.c which is not built.])
AH_TEMPLATE(BSD44, [Defined for SunOS 4, FreeBSD, NetBSD, OpenBSD, BSD/OS, Mac OS X/Rhapsody; only used in vmh.c which is not built.])
AH_TEMPLATE(BSD42, [Defined for SunOS 4, FreeBSD, NetBSD, OpenBSD, BSD/OS, Mac OS X/Rhapsody -- does PicoBSD have uname?])
AH_TEMPLATE(SCO_5_STDIO, [Defined for SCO5.])
case "$target_os" in
solaris2*)
AC_DEFINE(SYS5)
AC_DEFINE(SVR4)
;;
irix*)
AC_DEFINE(SYS5)
AC_DEFINE(SVR4)
;;
osf*)
AC_DEFINE(SYS5)
AC_DEFINE(SVR4)
;;
aix*)
AC_DEFINE(SYS5)
AC_DEFINE(SVR4)
;;
sunos4*)
AC_DEFINE(BSD42)
;;
freebsd*)
AC_DEFINE(BSD42)
AC_DEFINE(BSD44)
;;
netbsd*)
AC_DEFINE(BSD42)
AC_DEFINE(BSD44)
;;
openbsd*)
AC_DEFINE(BSD42)
AC_DEFINE(BSD44)
;;
bsd/os*)
AC_DEFINE(BSD42)
AC_DEFINE(BSD44)
;;
sco5*)
AC_DEFINE(SYS5)
AC_DEFINE(SCO_5_STDIO)
;;
esac
dnl ----------------
dnl OUTPUT MAKEFILES
dnl ----------------
AC_CONFIG_FILES(Makefile config/Makefile h/Makefile sbr/Makefile uip/Makefile \
mts/Makefile mts/smtp/Makefile \
etc/Makefile docs/Makefile man/Makefile)
AC_CONFIG_COMMANDS([stamp],[test -z "$CONFIG_HEADERS" || echo > stamp-h])
AC_OUTPUT
dnl These odd looking assignments are done to expand out unexpanded
dnl variables in bindir et al (for instance mandir is '${datarootdir}/man',
dnl but expanding that gives '${prefix}/share/man', so we need to expand
dnl again to get the final answer.
dnl We only use the expanded versions to print the install paths in
dnl the final summary and should use them nowhere else (see the autoconf
dnl docs for the rationale for bindir etc being unexpanded).
eval "nmhbin=${bindir}"; eval "nmhbin=${nmhbin}"
eval "nmhsysconf=${sysconfdir}"; eval "nmhsysconf=${nmhsysconf}"
eval "nmhlib=${libdir}"; eval "nmhlib=${nmhlib}"
eval "nmhman=${mandir}"; eval "nmhman=${nmhman}"
pop_kinds=no
if test x"$enable_pop" = x"yes"; then
pop_kinds="yes ("
if test x"$enable_apop" = x"yes"; then
pop_kinds="${pop_kinds}APOP "
fi
pop_kinds="${pop_kinds}POP3)"
fi
echo "
nmh configuration
-----------------
nmh version : AC_PACKAGE_VERSION
target os : ${target}
compiler : ${CC}
compiler flags : ${CFLAGS}
linker flags : ${LDFLAGS}