2 dnl configure.in -- autoconf template for nmh
7 dnl 2.13 definitely chokes; 2.53 is the earliest version I've tested.
8 dnl 2.58 needed for help string macro but that only affects help output
9 dnl 2.50 is the major breakpoint between the old autoconf and the new,
10 dnl so require that. If there are bug reports about 2.50-2.52 not working
11 dnl we can always move this up a little.
14 AC_INIT(nmh, m4_normalize(m4_include([VERSION])))
15 AC_CONFIG_SRCDIR(h/nmh.h)
16 AC_CONFIG_HEADER(config.h)
20 dnl ---------------------
21 dnl define a macro or two
22 dnl ---------------------
24 AC_DEFUN(NMH_PROG_GNU_LIBTOOL, [
25 if test -n "$LIBTOOL" ; then
26 tmptest=`$LIBTOOL --version 2>&1 | grep GNU`
27 if test x"$tmptest" != x ; then
29 AC_SUBST(GNU_LIBTOOL)dnl
34 echo "configuring for AC_PACKAGE_NAME-AC_PACKAGE_VERSION"
35 AC_SUBST(VERSION,AC_PACKAGE_VERSION)dnl
37 dnl What date of nmh are we building?
38 DATE=`cat ${srcdir}/DATE`
39 echo "configuring for nmh dated $DATE"
42 dnl --------------------------
43 dnl CHECK COMMAND LINE OPTIONS
44 dnl --------------------------
46 dnl Do you want client-side support for apop?
47 AC_ARG_ENABLE(apop, AS_HELP_STRING([--enable-apop],
48 [enable client-side support for POP3 and APOP]))
49 if test x"$enable_apop" = x"yes"; then
51 [Define to compile client-side support for apop into inc and msgchk.])dnl
57 dnl Do you want to debug nmh?
59 AS_HELP_STRING([--enable-debug],[enable nmh code debugging]))
60 dnl The old redundant --enable-nmh-debug is deprecated and undocumented.
61 if test x"$enable_nmh_debug" = x"yes"; then
65 dnl Allow users to send email from addresses other than their default?
66 AC_ARG_ENABLE(masquerade,
67 AS_HELP_STRING([--enable-masquerade='draft_from mmailid username_extension'],
68 [enable up to 3 types of address masquerading]),
69 [if test x"$enable_masquerade" = x"yes"; then
70 masquerade="draft_from mmailid username_extension"
72 masquerade="$enable_masquerade"
74 masquerade="draft_from mmailid username_extension")
75 AC_SUBST(masquerade)dnl
77 dnl Do you want mhe support?
79 AS_HELP_STRING([--disable-mhe],[disable mhe support]))
81 dnl mhe support is on by default, so define it unless --disable-mhe or the
82 dnl deprecated, undocumented --disable-nmh-mhe are specified.
83 if test x"$enable_mhe" != x"no" -a x"$enable_nmh_mhe" != x"no"; then
85 [Define to compile in support for the Emacs front-end mh-e.])dnl
88 dnl Do you want client-side support for pop?
90 AS_HELP_STRING([--enable-pop], [enable client-side support for plain POP3]))
91 dnl The old redundant --enable-nmh-pop is deprecated and undocumented.
92 if test x"$enable_nmh_pop" = x"yes"; then
96 dnl Do you want to disable use of locale functions
98 [Undefine if you don't want locale features. By default this is defined.])
99 AC_ARG_ENABLE([locale],
100 AC_HELP_STRING([--disable-locale], [turn off locale features]),
101 [if test x$enableval = xyes; then
107 dnl Do you want client-side support for using SASL for authentication?
108 dnl Note that this code will be enabled for both POP and SMTP
109 AC_ARG_WITH(cyrus-sasl, AS_HELP_STRING([--with-cyrus-sasl=DIR],
110 [specify location of Cyrus SASL library]))
111 if test x"$with_cyrus_sasl" != x -a x"$with_cyrus_sasl" != x"no"; then
112 AC_DEFINE(CYRUS_SASL, 1,
113 [Define to use the Cyrus SASL library for authentication of POP and SMTP.])dnl
119 dnl What should be the default editor?
121 AS_HELP_STRING([--with-editor=EDITOR],[specify the default editor]))
123 if test -n "$with_editor"; then
124 editorpath="$with_editor"
127 dnl Set the backup prefix
128 AC_ARG_WITH([hash-backup],
129 AS_HELP_STRING([--with-hash-backup],[use # as the backup prefix (default: ,)]))
130 if test x"$with_hash_backup" != x -a x"$with_hash_backup" != x"no"; then
135 AC_DEFINE_UNQUOTED(BACKUP_PREFIX, "$backup_prefix",
136 [The prefix that is prepended to the name of message files when they are "removed" by rmm. This should typically be `,' or `#'.])dnl
138 dnl Do you want support for hesiod
140 AS_HELP_STRING([--with-hesiod=DIR],[specify location of Hesiod]))
141 if test x"$with_hesiod" != x -a x"$with_hesiod" != x"no"; then
142 AC_DEFINE(HESIOD,1,[Define this to compile support for using Hesiod.])dnl
145 dnl Do you want client-side support for kpop
146 AC_ARG_WITH(krb4, AS_HELP_STRING([--with-krb4=DIR],
147 [specify location of Kerberos V4 for KPOP support]))
148 if test x"$with_krb4" != x -a x"$with_krb4" != x"no"; then
151 [Define to compile client-side support for kpop (kerberized pop) into inc and msgchk.])dnl
152 AC_DEFINE(KPOP_PRINCIPAL, "pop", [Define this to "pop" when using Kerberos V4])dnl
155 dnl After we know if we're including apop and kpop support, do pop stuff
156 if test x"$enable_pop" = x"yes"; then
158 [Define this to compile client-side support for pop into inc and msgchk.])dnl
160 POPSED='/^%nmhbeginpop%/d;/^%nmhendpop%/d'
162 POPSED='/^%nmhbeginpop%/,/^%nmhendpop%/d'
167 dnl What method of locking to use?
169 AS_HELP_STRING([--with-locking=@<:@dot|fcntl|flock|lockf@:>@],
170 [specify the file locking method]))
172 if test x"$with_locking" = x"dot"; then
174 AC_DEFINE(DOT_LOCKING, 1, [Define to use dot based file locking.])dnl
175 elif test x"$with_locking" = x"flock"; then
177 AC_DEFINE(FLOCK_LOCKING, 1, [Define to use flock() based locking.])dnl
178 elif test x"$with_locking" = x"lockf"; then
180 AC_DEFINE(LOCKF_LOCKING, 1, [Define to use lockf() based locking.])dnl
181 elif test x"$with_locking" = x"fcntl"; then
183 AC_DEFINE(FCNTL_LOCKING, 1, [Define to use fnctl() based locking.])dnl
186 AC_DEFINE(DOT_LOCKING)dnl
189 dnl What method of posting should post use?
191 AS_HELP_STRING([--with-mts=@<:@smtp|sendmail@:>@],
192 [specify the default mail transport agent/service]))
194 if test x"$with_mts" = x"smtp"; then
196 elif test x"$with_mts" = x"sendmail"; then
203 dnl Both the smtp and sendmail mail transport services use the smtp code
204 AC_DEFINE(SMTPMTS, 1,
205 [Define if you want SMTP (simple mail transport protocol) support.])dnl
207 dnl What should be the default pager?
209 AS_HELP_STRING([--with-pager=PAGER],[specify the default pager]))
211 if test -n "$with_pager"; then
212 pagerpath="$with_pager"
215 dnl What should be the default mail server(s)?
216 AC_ARG_WITH(smtpservers,
217 AS_HELP_STRING([--with-smtpservers='SMTPSERVER1@<:@ SMTPSERVER2...@:>@'],
218 [specify the default SMTP server(s) @<:@localhost@:>@]))
219 if test -n "$with_smtpservers"; then
220 smtpservers="$with_smtpservers"
222 smtpservers="localhost"
224 AC_SUBST(smtpservers)dnl
226 dnl ----------------------------------------------------
227 dnl Default location is /usr/local/nmh/{bin,etc,lib,man}
228 dnl ----------------------------------------------------
229 AC_PREFIX_DEFAULT(/usr/local/nmh)
231 dnl ------------------
232 dnl CHECK THE COMPILER
233 dnl ------------------
234 dnl We want these before the checks,
235 dnl so the checks can modify their values.
236 test -z "$CFLAGS" && CFLAGS= auto_cflags=1
237 if test x"$enable_debug" = x"yes"; then
238 test -z "$LDFLAGS" && LDFLAGS=-g
243 AC_CACHE_CHECK(whether compiler supports -Wno-pointer-sign, nmh_cv_has_noptrsign,
244 [nmh_saved_cflags="$CFLAGS"
245 CFLAGS="$CFLAGS -Wno-pointer-sign"
246 AC_TRY_COMPILE([],[],nmh_cv_has_noptrsign=yes,nmh_cv_has_noptrsign=no)
247 CFLAGS="$nmh_saved_cflags"])
249 dnl if the user hasn't specified CFLAGS, then
250 dnl if compiler is gcc, then
251 dnl use -O2 and some warning flags
253 dnl We use -Wall; if the compiler supports it we also use -Wno-pointer-sign,
254 dnl because gcc 4 now produces a lot of new warnings which are probably mostly
255 dnl spurious and which in any case we don't want to deal with now.
256 if test "$nmh_cv_has_noptrsign" = "yes"; then
257 nmh_gcc_warnflags="-Wall -Wno-pointer-sign"
259 nmh_gcc_warnflags="-Wall"
262 if test -n "$auto_cflags"; then
263 if test x"$enable_debug" = x"yes"; then
264 if test -n "$GCC"; then
265 test -z "$CFLAGS" && CFLAGS="$nmh_gcc_warnflags -g" || CFLAGS="$CFLAGS $nmh_gcc_warnflags -g"
267 test -z "$CFLAGS" && CFLAGS=-g || CFLAGS="$CFLAGS -g"
270 if test -z "$LDFLAGS"; then
280 if test -n "$GCC"; then
281 test -z "$CFLAGS" && CFLAGS="$nmh_gcc_warnflags -O2" || CFLAGS="$CFLAGS $nmh_gcc_warnflags -O2"
283 test -z "$CFLAGS" && CFLAGS=-O || CFLAGS="$CFLAGS -O"
288 AC_C_CONST dnl Does compiler support `const'.
290 dnl ------------------
291 dnl CHECK FOR PROGRAMS
292 dnl ------------------
293 AC_PROG_MAKE_SET dnl Does make define $MAKE
294 AC_PROG_INSTALL dnl Check for BSD compatible `install'
295 AC_PROG_RANLIB dnl Check for `ranlib'
296 AC_PROG_AWK dnl Check for mawk,gawk,nawk, then awk
297 AC_PROG_LEX dnl Check for lex/flex
300 pathtmp=/usr/bin:/bin:/usr/local/bin:/usr/xpg4/bin:/usr/ucb
301 AC_PATH_PROG(cutpath, cut, no, [$pathtmp])
303 dnl ----------------------------------------------
304 dnl check for lclint, and lint if it doesn't exist
305 dnl ----------------------------------------------
306 AC_CHECK_PROG(linttmp1, lclint, lclint, no)dnl
307 if test x$ac_cv_prog_linttmp1 != xno ; then
308 LINT=$ac_cv_prog_linttmp1
309 LINTFLAGS="-weak +posixlib -macrovarprefixexclude"
311 AC_CHECK_PROG(linttmp2, lint, lint, no)dnl
312 if test x$ac_cv_prog_linttmp2 != xno ; then
313 LINT=$ac_cv_prog_linttmp2
316 LINT="echo 'No lint program found'"
321 AC_SUBST(LINTFLAGS)dnl
323 dnl try to figure out which one we've got
324 AC_CHECK_PROG(LIBTOOL, libtool, libtool, , [$pathtmp])
327 dnl Check for lorder and tsort commands
328 AC_CHECK_PROG(LORDER, lorder, lorder, no)dnl
329 AC_CHECK_PROG(TSORT, tsort, tsort, no)dnl
331 dnl If either doesn't exist, replace them with echo and cat
332 if test x$ac_cv_prog_LORDER != xlorder -o x$ac_cv_prog_TSORT != xtsort; then
337 dnl Mac OS X has lorder, but sh is too broken for it to work
338 dnl elif test -z "`lorder config/config.c 2>&1 | grep config/config.c`" ; then
341 dnl AC_SUBST(LORDER)dnl
342 dnl AC_SUBST(TSORT)dnl
345 dnl Check whether tsort can deal with loops
346 AC_CACHE_CHECK(whether tsort can deal with loops, nmh_cv_tsort_loop,
347 [if test -z "`echo a b b a | tsort 2>/dev/null | grep a`" ; then
350 nmh_cv_tsort_loop=yes
352 if test x$nmh_cv_tsort_loop = xno ; then
360 pathtmp=/usr/bin:/bin:/usr/local/bin:/usr/xpg4/bin:/usr/ucb
361 AC_PATH_PROG(lspath, ls, no, [$pathtmp])
363 dnl See how we get ls to display the owner and the group
364 if test "$lspath" != "no"; then
365 AC_CACHE_CHECK(how to get ls to show us the group ownership of a file,
367 [if test x"`$lspath -dl / | $AWK '{print $9}'`" = x"/"; then
368 dnl There were 9 parameters, so unless this is a really bizarre, nonstandard
369 dnl ls, it would seem -l gave us both the user and group. On this type of
370 dnl ls, -g makes _only_ the group be displayed (and not the user).
371 nmh_cv_ls_grpopt="-l"
373 dnl Looks like -l only gave us the user, so we need -g to get the group too.
374 nmh_cv_ls_grpopt="-lg"
379 pathtmp=/usr/bin:/bin:/usr/ucb:/usr/local/bin
380 AC_PATH_PROG(morepath, more, no, [$pathtmp])
382 dnl If pager is not specified yet,
383 dnl then use `more' as the default.
384 if test -z "$pagerpath"; then
385 pagerpath="$morepath"
387 AC_SUBST(pagerpath)dnl
389 dnl Look for `sendmail'
390 pathtmp=/usr/lib:/usr/sbin:/usr/etc:/usr/ucblib:/usr/bin:/bin
391 AC_PATH_PROG(sendmailpath, sendmail, /usr/sbin/sendmail, [$pathtmp])
394 pathtmp=/usr/bin:/bin:/usr/ucb:/usr/local/bin
395 AC_PATH_PROG(vipath, vi, /bin/vi, [$pathtmp])
397 dnl If editor is not specified yet,
398 dnl then use `vi' as the default.
399 if test -z "$editorpath"; then
402 AC_SUBST(editorpath)dnl
404 dnl ----------------------------------------------------------
405 dnl FIND MAIL SPOOL AND SEE IF WE NEED TO MAKE inc SETGID MAIL
406 dnl ----------------------------------------------------------
407 AC_CACHE_CHECK(where mail spool is located, nmh_cv_mailspool,
408 [for mailspool in /var/mail dnl
411 /dev/null; dnl Just in case we fall through
413 test -d $mailspool && break
415 nmh_cv_mailspool=$mailspool
417 mailspool=$nmh_cv_mailspool
418 AC_SUBST(mailspool)dnl
420 dnl See whether the mail spool directory is world-writable.
421 if test "$lspath" != "no" -a "$cutpath" != "no"; then
422 AC_CACHE_CHECK(whether the mail spool is world-writable,
423 nmh_cv_mailspool_world_writable,
424 [if test "`$lspath -dlL $mailspool | $cutpath -c9`" = "-"; then
425 nmh_cv_mailspool_world_writable=no
427 nmh_cv_mailspool_world_writable=yes
431 dnl Also, check for liblockfile (as found on Debian systems)
432 AC_CHECK_HEADER(lockfile.h, AC_CHECK_LIB(lockfile, lockfile_create) )
434 dnl and whether its companion program dotlockfile is setgid
435 AC_PATH_PROG(dotlockfilepath, dotlockfile, no)
436 if test "$ac_cv_lib_lockfile_lockfile_create" != "no" ; then
437 if test "$ac_cv_path_dotlockfilepath" != "no" ; then
438 AC_CACHE_CHECK(whether dotlockfile is setgid, nmh_cv_dotlockfile_setgid,
439 [ if test -g "$ac_cv_path_dotlockfilepath" ; then
440 nmh_cv_dotlockfile_setgid=yes
442 nmh_cv_dotlockfile_setgid=no
447 dnl If mailspool is not world-writable and dotlockfile is not setgid,
448 dnl we need to #define MAILGROUP to 1 and make inc setgid.
449 if test x"$LOCKTYPE" = x"dot" -a x"$nmh_cv_mailspool_world_writable" = x"no" -a x"$nmh_cv_dotlockfile_setgid" != x"yes" ; then
450 dnl do we really need both of these?
451 AC_DEFINE(MAILGROUP,1,
452 [Define to 1 if you need to make `inc' set-group-id because your mail spool is not world writable. There are no guarantees as to the safety of doing this, but this #define will add some extra security checks.])dnl
455 AC_SUBST(SETGID_MAIL)dnl
457 dnl Use ls to see which group owns the mail spool directory.
458 AC_CACHE_CHECK(what group owns the mail spool, nmh_cv_ls_mail_grp,
459 [nmh_cv_ls_mail_grp=`$lspath -dL $nmh_cv_ls_grpopt $mailspool|$AWK '{print $4}'`
461 MAIL_SPOOL_GRP=$nmh_cv_ls_mail_grp
462 AC_SUBST(MAIL_SPOOL_GRP)dnl
464 dnl ------------------
465 dnl CHECK HEADER FILES
466 dnl ------------------
468 dnl On glibc we need to define at least the '_XOPEN_SOURCE' level of features,
469 dnl or wchar.h doesn't declare a prototype for wcwidth(). But if we only define
470 dnl that level then db.h won't compile. So we define _GNU_SOURCE which turns
471 dnl on everything. Perhaps other OSes need some feature switch set to get wcwidth()
472 dnl declared; if so they should have an entry added to this case statement.
473 dnl NB that we must define this on the compiler command line, not in config.h,
474 dnl because it must be set before any system header is included and there's no
475 dnl portable way to make sure that files generated by lex include config.h
476 dnl before system header files.
480 # Like DEFS, but doesn't get stomped on by configure when using config.h:
481 OURDEFS="$OURDEFS -D_GNU_SOURCE"
492 AC_CHECK_HEADERS(string.h memory.h stdlib.h unistd.h errno.h fcntl.h \
493 limits.h crypt.h termcap.h termio.h termios.h locale.h \
494 langinfo.h wchar.h wctype.h iconv.h netdb.h \
495 sys/param.h sys/time.h sys/utsname.h sys/stream.h \
496 arpa/inet.h arpa/ftp.h)
499 dnl Checks for _IO_write_ptr. A Linuxism used by nmh on linux. We
500 dnl really use a whole set of them, but this check should be
503 AC_CHECK_HEADER(libio.h, [
504 AC_EGREP_HEADER(_IO_write_ptr, libio.h, [
505 AC_DEFINE(LINUX_STDIO,1,[Use the Linux _IO_*_ptr defines from <libio.h>.]) ]) ])
507 AC_CHECK_HEADER([sys/ptem.h], AC_DEFINE(WINSIZE_IN_PTEM,1,
508 [Define to 1 if `struct winsize' requires <sys/ptem.h>.]),,
509 [[#if HAVE_SYS_STREAM_H
510 # include <sys/stream.h>
518 AC_CHECK_LIB(mkstemp,mkstemp)
519 AC_CHECK_FUNCS(waitpid wait3 sigaction sigprocmask sigblock sigsetmask \
520 sighold sigrelse writev lstat uname tzset killpg mkstemp \
521 getutent nl_langinfo mbtowc wcwidth)
523 dnl solaris has these in the nsl library
524 AC_SEARCH_LIBS(getaddrinfo, nsl,
525 [AC_DEFINE(HAVE_GETADDRINFO,1,
526 [Define to 1 if you have the `getaddrinfo' function.])])
528 dnl sigsetjmp may be a macro
529 AC_MSG_CHECKING(for sigsetjmp)
530 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <setjmp.h>]],
531 [[sigsetjmp((void *)0, 0);]])],[AC_DEFINE(HAVE_SIGSETJMP, 1,
532 [Define to 1 if you have the `sigsetjmp'.]) AC_MSG_RESULT(yes)],
535 AC_REPLACE_FUNCS(memmove snprintf strerror strdup)
537 dnl Look for the initgroups() declaration. On AIX 4.[13], Solaris 4.1.3, and
538 dnl ULTRIX 4.2A the function is defined in libc but there's no declaration in
539 dnl any system header.
541 dnl On Solaris 2.[456], the declaration is in <grp.h>. On HP-UX 9-11 and
542 dnl (reportedly) FreeBSD 3.[23], it's in <unistd.h>. Any other locations we
544 AH_TEMPLATE(INITGROUPS_HEADER, [Define to the header containing the declaration of `initgroups'.])
545 AC_EGREP_HEADER(initgroups, grp.h, AC_DEFINE(INITGROUPS_HEADER, <grp.h>),
546 AC_EGREP_HEADER(initgroups, unistd.h,
547 AC_DEFINE(INITGROUPS_HEADER, <unistd.h>)))
549 dnl On AIX 4.1, snprintf() is defined in libc.a but there's no prototype in
550 dnl <stdio.h> or elsewhere. Apparently it's not officially supported (though it
551 dnl seems to work perfectly and IBM apparently uses it in internal code).
552 dnl Anyhow, if we omit our own snprintf() and vsnprintf() prototypes when we
553 dnl HAVE_SNPRINTF, we get a billion warnings at compile time. Use the C
554 dnl preprocessor to preprocess stdio.h and make sure that there's actually a
556 AC_EGREP_HEADER(snprintf, stdio.h, AC_DEFINE(HAVE_SNPRINTF_PROTOTYPE,1,
557 [Define to 1 if <stdio.h> has a prototype for snprintf().]))
559 dnl Check for multibyte character set support
560 if test "x$ac_cv_header_wchar_h" = "xyes" -a "x$ac_cv_header_wctype_h" = "xyes" \
561 -a "x$ac_cv_func_wcwidth" = "xyes" -a "x$ac_cv_func_mbtowc" = "xyes"; then
562 AC_DEFINE(MULTIBYTE_SUPPORT, 1,
563 [Define to enable support for multibyte character sets.])
566 dnl -------------------
567 dnl CHECK FOR LIBRARIES
568 dnl -------------------
569 dnl Check location of modf
570 AC_CHECK_FUNC(modf, , AC_CHECK_LIB(m, modf))
572 dnl Checks for network libraries (nsl, socket)
575 termcap_curses_order="termcap curses ncurses"
576 for lib in $termcap_curses_order; do
577 AC_CHECK_LIB(${lib}, tgetent, [TERMLIB="-l$lib"; break])
585 dnl Find iconv. It may be in libiconv and may be iconv() or libiconv()
586 if test "x$ac_cv_header_iconv_h" = "xyes"; then
587 AC_CHECK_FUNC(iconv, ac_found_iconv=yes, ac_found_iconv=no)
588 if test "x$ac_found_iconv" = "xno"; then
589 AC_CHECK_LIB(iconv, iconv, ac_found_iconv=yes)
590 if test "x$ac_found_iconv" = "xno"; then
591 AC_CHECK_LIB(iconv, libiconv, ac_found_iconv=yes)
593 if test "x$ac_found_iconv" != "xno"; then
597 dnl Handle case where there is a native iconv but iconv.h is from libiconv
598 AC_CHECK_DECL(_libiconv_version,
599 [ AC_CHECK_LIB(iconv, libiconv, LIBS="-liconv $LIBS") ],,
600 [ #include <iconv.h> ])
603 if test "x$ac_found_iconv" = xyes; then
604 AC_DEFINE(HAVE_ICONV, 1, [Define if you have the iconv() function.])
607 dnl Check if iconv uses const in prototype declaration
608 if test "x$ac_found_iconv" = "xyes"; then
609 AC_CACHE_CHECK(for iconv declaration, ac_cv_iconv_const,
610 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdlib.h>
611 #include <iconv.h>]],
615 #if defined(__STDC__) || defined(__cplusplus)
616 size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
620 [ac_cv_iconv_const=],
621 [ac_cv_iconv_const=const])])
622 AC_DEFINE_UNQUOTED([ICONV_CONST], $ac_cv_iconv_const,
623 [Define as const if the declaration of iconv() needs const.])
630 AC_ARG_WITH([ndbm],AS_HELP_STRING([--with-ndbm=ARG],[use -lARG to link with ndbm]),
631 [nmh_ndbm=$withval],[nmh_ndbm=autodetect])
632 AC_ARG_WITH([ndbmheader],AS_HELP_STRING([--with-ndbmheader=ARG],[#include <ARG> to use ndbm]),
633 [nmh_ndbmheader=$withval],[nmh_ndbmheader=autodetect])
635 if test "$nmh_ndbm" = "autodetect"; then
636 if test "$nmh_ndbmheader" != "autodetect"; then
637 AC_MSG_ERROR([must specify both --with-ndbm and --with-ndbmheader or neither])
640 dnl There are at least four implementations of ndbm, and
641 dnl several of those can be in different places at the whim
642 dnl of the system integrator. A good summary of this mess
643 dnl can be found at http://www.unixpapa.com/incnote/dbm.html
645 dnl Classic ndbm with no library required (eg NetBSD): try this
646 dnl first so we don't accidentally link in a pointless but harmless
647 dnl library in one of the later ndbm.h+libfoo tests:
648 NMH_CHECK_NDBM(ndbm.h,,,
649 dnl Berkeley DBv2 emulating ndbm: header in db.h:
650 NMH_CHECK_NDBM(db.h,db,,
651 dnl Berkeley DBv1 emulating ndbm:
652 NMH_CHECK_NDBM(ndbm.h,db,,
653 NMH_CHECK_NDBM(ndbm.h,db1,,
655 NMH_CHECK_NDBM(ndbm.h,ndbm,,
656 dnl glibc2.1 systems put db1 in a subdir:
657 NMH_CHECK_NDBM(db1/ndbm.h,db1,,
658 dnl GNU gdbm emulating ndbm, with header possibly in gdbm/
659 dnl and possibly needing gbdm_compat library:
660 NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm,,
661 NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm_compat -lgdbm,,
662 NMH_CHECK_NDBM(ndbm.h,gdbm,,
663 NMH_CHECK_NDBM(ndbm.h,gdbm_compat -lgdbm))))))))))
667 dnl We don't really need to check that the user-specified values work,
668 dnl but it is a convenience to the user to bomb out early rather than
669 dnl after configure and half the compile process.
670 NMH_CHECK_NDBM([$nmh_ndbmheader],[$nmh_ndbm])
673 if test "$nmh_ndbm_found" = "no"; then
674 AC_MSG_ERROR([could not find a working ndbm library/header combination])
676 dnl Now export the lib/header to our makefile/config.h:
677 if test x"$nmh_ndbmheader" != x; then
678 AC_DEFINE_UNQUOTED(NDBM_HEADER, <$nmh_ndbmheader>,
679 [Define to the header containing the ndbm API prototypes.])
681 if test x"$nmh_ndbm" != x; then
682 NDBM_LIBS="-l$nmh_ndbm"
693 if test x"$with_hesiod" != x -a x"$with_hesiod" != x"no"; then
694 if test x"$with_hesiod" != x"yes"; then
695 HESIOD_INCLUDES="-I$with_hesiod/include"
696 HESIOD_LIBS="-L$with_hesiod/lib"
698 AC_CHECK_FUNC(res_send,
699 [AC_CHECK_LIB(hesiod, hes_resolve,
700 [HESIOD_LIBS="$HESIOD_LIBS -lhesiod"],
701 [AC_MSG_ERROR(Hesiod library not found)],
703 [AC_CHECK_LIB(hesiod, hes_resolve,
704 [HESIOD_LIBS="$HESIOD_LIBS -lhesiod -lresolv"],
705 [AC_MSG_ERROR(Hesiod library not found)],
706 $HESIOD_LIBS -lresolv)])
709 AC_SUBST(HESIOD_INCLUDES)dnl
710 AC_SUBST(HESIOD_LIBS)dnl
712 dnl ----------------------------------
713 dnl CHECK FOR KRB4 (Kerberos4 support)
714 dnl ----------------------------------
715 if test x"$with_krb4" != x -a x"$with_krb4" != x"no"; then
716 if test x"$with_krb4" != x"yes"; then
717 KRB4_INCLUDES="-I$with_krb4/include"
718 if test -d "$with_krb4/include/kerberosIV"; then
719 KRB4_INCLUDES="$KRB4_INCLUDES -I$with_krb4/include/kerberosIV"
721 KRB4_LIBS="-L$with_krb4/lib"
722 elif test -d /usr/include/kerberosIV; then
723 KRB4_INCLUDES="-I/usr/include/kerberosIV"
725 dnl First, check if we have -lk5crypto, since that means we have a recent krb5
727 AC_CHECK_LIB(k5crypto, krb5_encrypt,
728 [AC_CHECK_LIB(krb4, krb_rd_req,
729 [KRB4_LIBS="$KRB4_LIBS -lkrb4 -ldes425 -lkrb5 -lk5crypto -lcom_err"],
730 [AC_MSG_ERROR(Kerberos 4 compatibility libraries not found)],
731 $KRB4_LIBS -ldes425 -lkrb5 -lk5crypto -lcom_err)],
733 [AC_CHECK_LIB(krb4, krb_rd_req,
734 [KRB4_LIBS="$KRB4_LIBS -lkrb4 -ldes425 -lkrb5 -lcrypto -lcom_err"],
735 [AC_CHECK_LIB(krb, krb_rd_req,
736 [KRB4_LIBS="$KRB4_LIBS -lkrb -ldes"],
737 [AC_MSG_ERROR(Kerberos 4 libraries not found)],
739 $KRB4_LIBS -ldes425 -lkrb5 -lcrypto -lcom_err)],
743 AC_SUBST(KRB4_INCLUDES)dnl
744 AC_SUBST(KRB4_LIBS)dnl
746 dnl --------------------
747 dnl CHECK FOR CYRUS SASL
748 dnl --------------------
749 if test x"$with_cyrus_sasl" != x -a x"$with_cyrus_sasl" != x"no"; then
750 if test x"$with_cyrus_sasl" != x"yes"; then
751 SASL_INCLUDES="-I$with_cyrus_sasl/include"
752 SASL_LIBS="-L$with_cyrus_sasl/lib"
754 dnl Do OS-specific hardcoding of SASL shared library path into executables,
755 dnl so user isn't forced to set environment variables like Solaris'
759 SASL_LIBS="$SASL_LIBS -R$with_cyrus_sasl/lib"
763 save_LDFLAGS="$LDFLAGS"
764 LDFLAGS="$LDFLAGS $SASL_LIBS"
765 AC_CHECK_LIB(sasl2, sasl_client_new,
766 [SASL_LIBS="$SASL_LIBS -lsasl2"],
767 [AC_MSG_ERROR(Cyrus SASL library not found)])
768 LDFLAGS="$save_LDFLAGS"
770 AC_SUBST(SASL_INCLUDES)dnl
771 AC_SUBST(SASL_LIBS)dnl
773 dnl ---------------------
774 dnl CHECK TERMCAP LIBRARY
775 dnl ---------------------
777 dnl Add the termcap library, so that the following configure
778 dnl tests will find it when it tries to link test programs.
779 nmh_save_LIBS="$LIBS"
780 LIBS="$TERMLIB $LIBS"
782 dnl Checks for external variable ospeed in the termcap library.
783 AC_CACHE_CHECK(if an include file defines ospeed,
784 nmh_cv_decl_ospeed_include_defines,
785 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
791 #endif]], [[ospeed = 0;]])],
792 nmh_cv_decl_ospeed_include_defines=yes,nmh_cv_decl_ospeed_include_defines=no)])
794 if test $nmh_cv_decl_ospeed_include_defines = no; then
795 AC_CACHE_CHECK(if you must define ospeed,
796 nmh_cv_decl_ospeed_must_define,
797 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
798 [[extern short ospeed; ospeed = 0;]])],
799 nmh_cv_decl_ospeed_must_define=yes,nmh_cv_decl_ospeed_must_define=no)])
802 AH_TEMPLATE(HAVE_OSPEED, [Define to 1 if your termcap library has the ospeed variable.])
803 if test $nmh_cv_decl_ospeed_include_defines = yes; then
804 AC_DEFINE(HAVE_OSPEED)dnl
805 elif test $nmh_cv_decl_ospeed_must_define = yes; then
806 AC_DEFINE(HAVE_OSPEED)
807 AC_DEFINE(MUST_DEFINE_OSPEED, 1,
808 [Define to 1 if you have ospeed, but it is not defined in termcap.h.])
811 dnl Check if tgetent accepts NULL (and will allocate its own termcap buffer)
812 dnl Some termcaps reportedly accept a zero buffer, but then dump core
814 dnl Under Cygwin test program crashes but exit code is still 0. So,
815 dnl we test for a file that porgram should create
816 AH_TEMPLATE([TGETENT_ACCEPTS_NULL],
817 [Define to 1 if tgetent() accepts NULL as a buffer.])
818 AC_CACHE_CHECK(if tgetent accepts NULL,
819 nmh_cv_func_tgetent_accepts_null,
824 int r1 = tgetent(buf, "vt100");
825 int r2 = tgetent((char*)0,"vt100");
826 if (r1 >= 0 && r1 == r2) {
830 creat("conftest.tgetent", 0640);
832 exit((r1 != r2) || r2 == -1);
835 if test -f conftest.tgetent; then
836 nmh_cv_func_tgetent_accepts_null=yes
838 nmh_cv_func_tgetent_accepts_null=no
840 nmh_cv_func_tgetent_accepts_null=no,
841 nmh_cv_func_tgetent_accepts_null=no)])
842 if test x$nmh_cv_func_tgetent_accepts_null = xyes; then
843 AC_DEFINE(TGETENT_ACCEPTS_NULL)
845 AC_CACHE_CHECK(if tgetent returns 0 on success,
846 nmh_cv_func_tgetent_zero_success,
851 int r1 = tgetent(buf, "!@#$%^&*");
852 int r2 = tgetent(buf, "vt100");
853 if (r1 < 0 && r2 == 0) {
857 creat("conftest.tgetent0", 0640);
862 if test -f conftest.tgetent0; then
863 nmh_cv_func_tgetent_zero_success=yes
865 nmh_cv_func_tgetent_zero_success=no
867 nmh_cv_func_tgetent_zero_success=no,
868 nmh_cv_func_tgetent_zero_success=no)])
869 AH_TEMPLATE([TGETENT_SUCCESS],
870 [Define to what tgetent() returns on success (0 on HP-UX X/Open curses).])
871 if test x$nmh_cv_func_tgetent_zero_success = xyes; then
872 AC_DEFINE(TGETENT_SUCCESS, 0)
874 AC_DEFINE(TGETENT_SUCCESS, 1)
877 dnl Now put the libraries back to what it was before we
878 dnl starting checking the termcap library.
879 LIBS="$nmh_save_LIBS"
891 dnl Check for sigset_t. Currently I'm looking in
892 dnl <sys/types.h> and <signal.h>. Others might need
894 AC_CACHE_CHECK(for sigset_t, nmh_cv_type_sigset_t,
895 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
896 #include <signal.h>]], [[sigset_t tempsigset;]])],
897 nmh_cv_type_sigset_t=yes,nmh_cv_type_sigset_t=no)])
898 if test $nmh_cv_type_sigset_t = no; then
899 AC_DEFINE(sigset_t, unsigned int,
900 [Define to `unsigned int' if <sys/types.h> or <signal.h> doesn't define.])
906 AC_CHECK_MEMBERS(struct stat.st_blksize)
908 AC_CHECK_MEMBERS(struct tm.tm_gmtoff,,,
909 [#ifdef TIME_WITH_SYS_TIME
910 # include <sys/time.h>
913 # ifdef TM_IN_SYS_TIME
914 # include <sys/time.h>
920 AC_CHECK_MEMBERS(struct utmp.ut_type,,,[#include <utmp.h>])
922 AC_MSG_CHECKING(for union wait)
923 AC_CACHE_VAL(nmh_cv_union_wait, [dnl
924 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
925 #include <sys/wait.h>]],
926 [[union wait status; int pid; pid = wait (&status);
928 /* Some POSIXoid systems have both the new-style macros and the old
929 union wait type, and they do not work together. If union wait
930 conflicts with WEXITSTATUS et al, we don't want to use it at all. */
931 if (WEXITSTATUS (status) != 0) pid = -1;
933 /* If we have WEXITSTATUS and WTERMSIG, just use them on ints. */
934 -- blow chunks here --
938 /* Make sure union wait works with waitpid. */
939 pid = waitpid (-1, &status, 0);
942 [nmh_cv_union_wait=yes],
943 [nmh_cv_union_wait=no])])
944 if test "$nmh_cv_union_wait" = yes; then
945 AC_DEFINE(HAVE_UNION_WAIT, 1,
946 [Define to 1 if you have the \`union wait' type in <sys/wait.h>.])
948 AC_MSG_RESULT($nmh_cv_union_wait)
950 CHECK_TYPE_STRUCT_DIRENT_D_TYPE()
955 dnl What style of signal do you have (POSIX, BSD, or SYSV)?
956 AH_TEMPLATE(RELIABLE_SIGNALS, [Define to 1 if you have reliable signals.])
957 AC_MSG_CHECKING(what style of signals to use)
958 if test $ac_cv_func_sigaction = yes -a $ac_cv_func_sigprocmask = yes; then
959 signals_style=POSIX_SIGNALS
960 AC_DEFINE(POSIX_SIGNALS, 1,
961 [Define to 1 if you use POSIX style signal handling.])
962 AC_DEFINE(RELIABLE_SIGNALS)
963 elif test $ac_cv_func_sigblock = yes -a $ac_cv_func_sigsetmask = yes; then
964 signals_style=BSD_SIGNALS
965 AC_DEFINE(BSD_SIGNALS,1,
966 [Define to 1 if you use BSD style signal handling (and can block signals).])
967 AC_DEFINE(RELIABLE_SIGNALS)
968 elif test $ac_cv_func_sighold = yes -a $ac_cv_func_sigrelse = yes; then
969 signals_style=SYSV_SIGNALS
970 AC_DEFINE(SYSV_SIGNALS,1,
971 [Define to 1 if you use SYSV style signal handling (and can block signals).])
973 signals_style=NO_SIGNAL_BLOCKING
974 AC_DEFINE(NO_SIGNAL_BLOCKING,1,
975 [Define to 1 if you have no signal blocking at all (bummer).])
978 AC_MSG_RESULT($signals_style)
980 dnl Where is <signal.h> located? Needed as input for signames.awk
981 AC_CACHE_CHECK(where signal.h is located, nmh_cv_path_signal_h,
982 [for SIGNAL_H in /usr/include/bsd/sys/signal.h dnl Next
983 /usr/include/asm/signal.h dnl Linux 1.3.0 and above
984 /usr/include/asm/signum.h dnl some versions of Linux/Alpha
985 /usr/include/linux/signal.h dnl Linux up to 1.2.11
986 /usr/include/sys/signal.h dnl Almost everybody else
987 /dev/null; dnl Just in case we fall through
989 test -f $SIGNAL_H && \
990 grep '#[ ]*define[ ][ ]*SIG[0-9A-Z]*[ ]*[0-9][0-9]*' $SIGNAL_H > /dev/null && \
993 nmh_cv_path_signal_h=$SIGNAL_H
995 SIGNAL_H=$nmh_cv_path_signal_h
996 AC_SUBST(SIGNAL_H)dnl
999 dnl OS SPECIFIC DEFINES
1000 dnl ----------------
1001 AH_TEMPLATE(SYS5, [Defined for Solaris 2.x, Irix, OSF/1, HP-UX, AIX, SCO5; only used in vmh.c which is not built.])
1002 AH_TEMPLATE(SVR4, [Defined for Solaris 2.x, Irix, OSF/1, HP-UX, AIX; only used in vmh.c which is not built.])
1003 AH_TEMPLATE(BSD44, [Defined for SunOS 4, FreeBSD, NetBSD, OpenBSD, BSD/OS, Mac OS X/Rhapsody; only used in vmh.c which is not built.])
1004 AH_TEMPLATE(BSD42, [Defined for SunOS 4, FreeBSD, NetBSD, OpenBSD, BSD/OS, Mac OS X/Rhapsody -- does PicoBSD have uname?])
1005 AH_TEMPLATE(SCO_5_STDIO, [Defined for SCO5.])
1007 case "$target_os" in
1046 AC_DEFINE(SCO_5_STDIO)
1051 dnl ----------------
1052 dnl OUTPUT MAKEFILES
1053 dnl ----------------
1054 AC_CONFIG_FILES(Makefile config/Makefile h/Makefile sbr/Makefile uip/Makefile \
1055 mts/Makefile mts/smtp/Makefile \
1056 etc/Makefile docs/Makefile man/Makefile)
1057 AC_CONFIG_COMMANDS([stamp],[test -z "$CONFIG_HEADERS" || echo > stamp-h])
1060 dnl Umm, what's the point of these assignments?? -- <dan-nmh@dilvish.speed.net>
1061 eval "nmhbin=${bindir}"; eval "nmhbin2=${nmhbin}"
1062 eval "nmhsysconf=${sysconfdir}"; eval "nmhsysconf2=${nmhsysconf}"
1063 eval "nmhlib=${libdir}"; eval "nmhlib2=${nmhlib}"
1064 eval "nmhman=${mandir}"
1067 if test x"$enable_pop" = x"yes"; then
1070 if test x"$enable_apop" = x"yes"; then
1071 pop_kinds="${pop_kinds}APOP "
1074 if test x"$with_krb4" != x -a x"$with_krb4" != x"no"; then
1075 pop_kinds="${pop_kinds}KPOP "
1078 pop_kinds="${pop_kinds}POP3)"
1084 nmh version : AC_PACKAGE_VERSION
1085 target os : ${target}
1087 compiler flags : ${CFLAGS}
1088 linker flags : ${LDFLAGS}
1089 definitions : ${OURDEFS}
1090 source code location : ${srcdir}
1091 binary install path : ${nmhbin2}
1092 libary install path : ${nmhlib2}
1093 config files install path : ${nmhsysconf2}
1094 man page install path : ${nmhman}
1095 backup prefix : ${backup_prefix}
1096 transport system : ${MTS}
1097 file locking type : ${LOCKTYPE}
1098 default smtp servers : ${smtpservers}
1099 default editor : ${editorpath}
1100 default pager : ${pagerpath}
1101 email address masquerading : ${masquerade}
1102 pop is enabled : ${pop_kinds}
1103 SASL support : ${sasl_support}"