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(gethostbyname, nsl,
525 [AC_DEFINE(HAVE_GETHOSTBYNAME,1,
526 [Define to 1 if you have the `gethostbyname' function.])])
527 AC_SEARCH_LIBS(sethostent, nsl,
528 [AC_DEFINE(HAVE_SETHOSTENT,1,
529 [Define to 1 if you have the `sethostent' function.])])
531 dnl sigsetjmp may be a macro
532 AC_MSG_CHECKING(for sigsetjmp)
533 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <setjmp.h>]],
534 [[sigsetjmp((void *)0, 0);]])],[AC_DEFINE(HAVE_SIGSETJMP, 1,
535 [Define to 1 if you have the `sigsetjmp'.]) AC_MSG_RESULT(yes)],
538 AC_REPLACE_FUNCS(memmove snprintf strerror strdup)
540 dnl Look for the initgroups() declaration. On AIX 4.[13], Solaris 4.1.3, and
541 dnl ULTRIX 4.2A the function is defined in libc but there's no declaration in
542 dnl any system header.
544 dnl On Solaris 2.[456], the declaration is in <grp.h>. On HP-UX 9-11 and
545 dnl (reportedly) FreeBSD 3.[23], it's in <unistd.h>. Any other locations we
547 AH_TEMPLATE(INITGROUPS_HEADER, [Define to the header containing the declaration of `initgroups'.])
548 AC_EGREP_HEADER(initgroups, grp.h, AC_DEFINE(INITGROUPS_HEADER, <grp.h>),
549 AC_EGREP_HEADER(initgroups, unistd.h,
550 AC_DEFINE(INITGROUPS_HEADER, <unistd.h>)))
552 dnl On AIX 4.1, snprintf() is defined in libc.a but there's no prototype in
553 dnl <stdio.h> or elsewhere. Apparently it's not officially supported (though it
554 dnl seems to work perfectly and IBM apparently uses it in internal code).
555 dnl Anyhow, if we omit our own snprintf() and vsnprintf() prototypes when we
556 dnl HAVE_SNPRINTF, we get a billion warnings at compile time. Use the C
557 dnl preprocessor to preprocess stdio.h and make sure that there's actually a
559 AC_EGREP_HEADER(snprintf, stdio.h, AC_DEFINE(HAVE_SNPRINTF_PROTOTYPE,1,
560 [Define to 1 if <stdio.h> has a prototype for snprintf().]))
562 dnl Check for multibyte character set support
563 if test "x$ac_cv_header_wchar_h" = "xyes" -a "x$ac_cv_header_wctype_h" = "xyes" \
564 -a "x$ac_cv_func_wcwidth" = "xyes" -a "x$ac_cv_func_mbtowc" = "xyes"; then
565 AC_DEFINE(MULTIBYTE_SUPPORT, 1,
566 [Define to enable support for multibyte character sets.])
569 dnl -------------------
570 dnl CHECK FOR LIBRARIES
571 dnl -------------------
572 dnl Check location of modf
573 AC_CHECK_FUNC(modf, , AC_CHECK_LIB(m, modf))
575 dnl Checks for network libraries (nsl, socket)
578 termcap_curses_order="termcap curses ncurses"
579 for lib in $termcap_curses_order; do
580 AC_CHECK_LIB(${lib}, tgetent, [TERMLIB="-l$lib"; break])
588 dnl Find iconv. It may be in libiconv and may be iconv() or libiconv()
589 if test "x$ac_cv_header_iconv_h" = "xyes"; then
590 AC_CHECK_FUNC(iconv, ac_found_iconv=yes, ac_found_iconv=no)
591 if test "x$ac_found_iconv" = "xno"; then
592 AC_CHECK_LIB(iconv, iconv, ac_found_iconv=yes)
593 if test "x$ac_found_iconv" = "xno"; then
594 AC_CHECK_LIB(iconv, libiconv, ac_found_iconv=yes)
596 if test "x$ac_found_iconv" != "xno"; then
600 dnl Handle case where there is a native iconv but iconv.h is from libiconv
601 AC_CHECK_DECL(_libiconv_version,
602 [ AC_CHECK_LIB(iconv, libiconv, LIBS="-liconv $LIBS") ],,
603 [ #include <iconv.h> ])
606 if test "x$ac_found_iconv" = xyes; then
607 AC_DEFINE(HAVE_ICONV, 1, [Define if you have the iconv() function.])
610 dnl Check if iconv uses const in prototype declaration
611 if test "x$ac_found_iconv" = "xyes"; then
612 AC_CACHE_CHECK(for iconv declaration, ac_cv_iconv_const,
613 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdlib.h>
614 #include <iconv.h>]],
618 #if defined(__STDC__) || defined(__cplusplus)
619 size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
623 [ac_cv_iconv_const=],
624 [ac_cv_iconv_const=const])])
625 AC_DEFINE_UNQUOTED([ICONV_CONST], $ac_cv_iconv_const,
626 [Define as const if the declaration of iconv() needs const.])
633 AC_ARG_WITH([ndbm],AS_HELP_STRING([--with-ndbm=ARG],[use -lARG to link with ndbm]),
634 [nmh_ndbm=$withval],[nmh_ndbm=autodetect])
635 AC_ARG_WITH([ndbmheader],AS_HELP_STRING([--with-ndbmheader=ARG],[#include <ARG> to use ndbm]),
636 [nmh_ndbmheader=$withval],[nmh_ndbmheader=autodetect])
638 if test "$nmh_ndbm" = "autodetect"; then
639 if test "$nmh_ndbmheader" != "autodetect"; then
640 AC_MSG_ERROR([must specify both --with-ndbm and --with-ndbmheader or neither])
643 dnl There are at least four implementations of ndbm, and
644 dnl several of those can be in different places at the whim
645 dnl of the system integrator. A good summary of this mess
646 dnl can be found at http://www.unixpapa.com/incnote/dbm.html
648 dnl Classic ndbm with no library required (eg NetBSD): try this
649 dnl first so we don't accidentally link in a pointless but harmless
650 dnl library in one of the later ndbm.h+libfoo tests:
651 NMH_CHECK_NDBM(ndbm.h,,,
652 dnl Berkeley DBv2 emulating ndbm: header in db.h:
653 NMH_CHECK_NDBM(db.h,db,,
654 dnl Berkeley DBv1 emulating ndbm:
655 NMH_CHECK_NDBM(ndbm.h,db,,
656 NMH_CHECK_NDBM(ndbm.h,db1,,
658 NMH_CHECK_NDBM(ndbm.h,ndbm,,
659 dnl glibc2.1 systems put db1 in a subdir:
660 NMH_CHECK_NDBM(db1/ndbm.h,db1,,
661 dnl GNU gdbm emulating ndbm, with header possibly in gdbm/
662 dnl and possibly needing gbdm_compat library:
663 NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm,,
664 NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm_compat -lgdbm,,
665 NMH_CHECK_NDBM(ndbm.h,gdbm,,
666 NMH_CHECK_NDBM(ndbm.h,gdbm_compat -lgdbm))))))))))
670 dnl We don't really need to check that the user-specified values work,
671 dnl but it is a convenience to the user to bomb out early rather than
672 dnl after configure and half the compile process.
673 NMH_CHECK_NDBM([$nmh_ndbmheader],[$nmh_ndbm])
676 if test "$nmh_ndbm_found" = "no"; then
677 AC_MSG_ERROR([could not find a working ndbm library/header combination])
679 dnl Now export the lib/header to our makefile/config.h:
680 if test x"$nmh_ndbmheader" != x; then
681 AC_DEFINE_UNQUOTED(NDBM_HEADER, <$nmh_ndbmheader>,
682 [Define to the header containing the ndbm API prototypes.])
684 if test x"$nmh_ndbm" != x; then
685 NDBM_LIBS="-l$nmh_ndbm"
696 if test x"$with_hesiod" != x -a x"$with_hesiod" != x"no"; then
697 if test x"$with_hesiod" != x"yes"; then
698 HESIOD_INCLUDES="-I$with_hesiod/include"
699 HESIOD_LIBS="-L$with_hesiod/lib"
701 AC_CHECK_FUNC(res_send,
702 [AC_CHECK_LIB(hesiod, hes_resolve,
703 [HESIOD_LIBS="$HESIOD_LIBS -lhesiod"],
704 [AC_MSG_ERROR(Hesiod library not found)],
706 [AC_CHECK_LIB(hesiod, hes_resolve,
707 [HESIOD_LIBS="$HESIOD_LIBS -lhesiod -lresolv"],
708 [AC_MSG_ERROR(Hesiod library not found)],
709 $HESIOD_LIBS -lresolv)])
712 AC_SUBST(HESIOD_INCLUDES)dnl
713 AC_SUBST(HESIOD_LIBS)dnl
715 dnl ----------------------------------
716 dnl CHECK FOR KRB4 (Kerberos4 support)
717 dnl ----------------------------------
718 if test x"$with_krb4" != x -a x"$with_krb4" != x"no"; then
719 if test x"$with_krb4" != x"yes"; then
720 KRB4_INCLUDES="-I$with_krb4/include"
721 if test -d "$with_krb4/include/kerberosIV"; then
722 KRB4_INCLUDES="$KRB4_INCLUDES -I$with_krb4/include/kerberosIV"
724 KRB4_LIBS="-L$with_krb4/lib"
725 elif test -d /usr/include/kerberosIV; then
726 KRB4_INCLUDES="-I/usr/include/kerberosIV"
728 dnl First, check if we have -lk5crypto, since that means we have a recent krb5
730 AC_CHECK_LIB(k5crypto, krb5_encrypt,
731 [AC_CHECK_LIB(krb4, krb_rd_req,
732 [KRB4_LIBS="$KRB4_LIBS -lkrb4 -ldes425 -lkrb5 -lk5crypto -lcom_err"],
733 [AC_MSG_ERROR(Kerberos 4 compatibility libraries not found)],
734 $KRB4_LIBS -ldes425 -lkrb5 -lk5crypto -lcom_err)],
736 [AC_CHECK_LIB(krb4, krb_rd_req,
737 [KRB4_LIBS="$KRB4_LIBS -lkrb4 -ldes425 -lkrb5 -lcrypto -lcom_err"],
738 [AC_CHECK_LIB(krb, krb_rd_req,
739 [KRB4_LIBS="$KRB4_LIBS -lkrb -ldes"],
740 [AC_MSG_ERROR(Kerberos 4 libraries not found)],
742 $KRB4_LIBS -ldes425 -lkrb5 -lcrypto -lcom_err)],
746 AC_SUBST(KRB4_INCLUDES)dnl
747 AC_SUBST(KRB4_LIBS)dnl
749 dnl --------------------
750 dnl CHECK FOR CYRUS SASL
751 dnl --------------------
752 if test x"$with_cyrus_sasl" != x -a x"$with_cyrus_sasl" != x"no"; then
753 if test x"$with_cyrus_sasl" != x"yes"; then
754 SASL_INCLUDES="-I$with_cyrus_sasl/include"
755 SASL_LIBS="-L$with_cyrus_sasl/lib"
757 dnl Do OS-specific hardcoding of SASL shared library path into executables,
758 dnl so user isn't forced to set environment variables like Solaris'
762 SASL_LIBS="$SASL_LIBS -R$with_cyrus_sasl/lib"
766 save_LDFLAGS="$LDFLAGS"
767 LDFLAGS="$LDFLAGS $SASL_LIBS"
768 AC_CHECK_LIB(sasl2, sasl_client_new,
769 [SASL_LIBS="$SASL_LIBS -lsasl2"],
770 [AC_MSG_ERROR(Cyrus SASL library not found)])
771 LDFLAGS="$save_LDFLAGS"
773 AC_SUBST(SASL_INCLUDES)dnl
774 AC_SUBST(SASL_LIBS)dnl
776 dnl ---------------------
777 dnl CHECK TERMCAP LIBRARY
778 dnl ---------------------
780 dnl Add the termcap library, so that the following configure
781 dnl tests will find it when it tries to link test programs.
782 nmh_save_LIBS="$LIBS"
783 LIBS="$TERMLIB $LIBS"
785 dnl Checks for external variable ospeed in the termcap library.
786 AC_CACHE_CHECK(if an include file defines ospeed,
787 nmh_cv_decl_ospeed_include_defines,
788 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
794 #endif]], [[ospeed = 0;]])],
795 nmh_cv_decl_ospeed_include_defines=yes,nmh_cv_decl_ospeed_include_defines=no)])
797 if test $nmh_cv_decl_ospeed_include_defines = no; then
798 AC_CACHE_CHECK(if you must define ospeed,
799 nmh_cv_decl_ospeed_must_define,
800 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
801 [[extern short ospeed; ospeed = 0;]])],
802 nmh_cv_decl_ospeed_must_define=yes,nmh_cv_decl_ospeed_must_define=no)])
805 AH_TEMPLATE(HAVE_OSPEED, [Define to 1 if your termcap library has the ospeed variable.])
806 if test $nmh_cv_decl_ospeed_include_defines = yes; then
807 AC_DEFINE(HAVE_OSPEED)dnl
808 elif test $nmh_cv_decl_ospeed_must_define = yes; then
809 AC_DEFINE(HAVE_OSPEED)
810 AC_DEFINE(MUST_DEFINE_OSPEED, 1,
811 [Define to 1 if you have ospeed, but it is not defined in termcap.h.])
814 dnl Check if tgetent accepts NULL (and will allocate its own termcap buffer)
815 dnl Some termcaps reportedly accept a zero buffer, but then dump core
817 dnl Under Cygwin test program crashes but exit code is still 0. So,
818 dnl we test for a file that porgram should create
819 AH_TEMPLATE([TGETENT_ACCEPTS_NULL],
820 [Define to 1 if tgetent() accepts NULL as a buffer.])
821 AC_CACHE_CHECK(if tgetent accepts NULL,
822 nmh_cv_func_tgetent_accepts_null,
827 int r1 = tgetent(buf, "vt100");
828 int r2 = tgetent((char*)0,"vt100");
829 if (r1 >= 0 && r1 == r2) {
833 creat("conftest.tgetent", 0640);
835 exit((r1 != r2) || r2 == -1);
838 if test -f conftest.tgetent; then
839 nmh_cv_func_tgetent_accepts_null=yes
841 nmh_cv_func_tgetent_accepts_null=no
843 nmh_cv_func_tgetent_accepts_null=no,
844 nmh_cv_func_tgetent_accepts_null=no)])
845 if test x$nmh_cv_func_tgetent_accepts_null = xyes; then
846 AC_DEFINE(TGETENT_ACCEPTS_NULL)
848 AC_CACHE_CHECK(if tgetent returns 0 on success,
849 nmh_cv_func_tgetent_zero_success,
854 int r1 = tgetent(buf, "!@#$%^&*");
855 int r2 = tgetent(buf, "vt100");
856 if (r1 < 0 && r2 == 0) {
860 creat("conftest.tgetent0", 0640);
865 if test -f conftest.tgetent0; then
866 nmh_cv_func_tgetent_zero_success=yes
868 nmh_cv_func_tgetent_zero_success=no
870 nmh_cv_func_tgetent_zero_success=no,
871 nmh_cv_func_tgetent_zero_success=no)])
872 AH_TEMPLATE([TGETENT_SUCCESS],
873 [Define to what tgetent() returns on success (0 on HP-UX X/Open curses).])
874 if test x$nmh_cv_func_tgetent_zero_success = xyes; then
875 AC_DEFINE(TGETENT_SUCCESS, 0)
877 AC_DEFINE(TGETENT_SUCCESS, 1)
880 dnl Now put the libraries back to what it was before we
881 dnl starting checking the termcap library.
882 LIBS="$nmh_save_LIBS"
894 dnl Check for sigset_t. Currently I'm looking in
895 dnl <sys/types.h> and <signal.h>. Others might need
897 AC_CACHE_CHECK(for sigset_t, nmh_cv_type_sigset_t,
898 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
899 #include <signal.h>]], [[sigset_t tempsigset;]])],
900 nmh_cv_type_sigset_t=yes,nmh_cv_type_sigset_t=no)])
901 if test $nmh_cv_type_sigset_t = no; then
902 AC_DEFINE(sigset_t, unsigned int,
903 [Define to `unsigned int' if <sys/types.h> or <signal.h> doesn't define.])
909 AC_CHECK_MEMBERS(struct stat.st_blksize)
911 AC_CHECK_MEMBERS(struct tm.tm_gmtoff,,,
912 [#ifdef TIME_WITH_SYS_TIME
913 # include <sys/time.h>
916 # ifdef TM_IN_SYS_TIME
917 # include <sys/time.h>
923 AC_CHECK_MEMBERS(struct utmp.ut_type,,,[#include <utmp.h>])
925 AC_MSG_CHECKING(for union wait)
926 AC_CACHE_VAL(nmh_cv_union_wait, [dnl
927 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
928 #include <sys/wait.h>]],
929 [[union wait status; int pid; pid = wait (&status);
931 /* Some POSIXoid systems have both the new-style macros and the old
932 union wait type, and they do not work together. If union wait
933 conflicts with WEXITSTATUS et al, we don't want to use it at all. */
934 if (WEXITSTATUS (status) != 0) pid = -1;
936 /* If we have WEXITSTATUS and WTERMSIG, just use them on ints. */
937 -- blow chunks here --
941 /* Make sure union wait works with waitpid. */
942 pid = waitpid (-1, &status, 0);
945 [nmh_cv_union_wait=yes],
946 [nmh_cv_union_wait=no])])
947 if test "$nmh_cv_union_wait" = yes; then
948 AC_DEFINE(HAVE_UNION_WAIT, 1,
949 [Define to 1 if you have the \`union wait' type in <sys/wait.h>.])
951 AC_MSG_RESULT($nmh_cv_union_wait)
956 dnl What style of signal do you have (POSIX, BSD, or SYSV)?
957 AH_TEMPLATE(RELIABLE_SIGNALS, [Define to 1 if you have reliable signals.])
958 AC_MSG_CHECKING(what style of signals to use)
959 if test $ac_cv_func_sigaction = yes -a $ac_cv_func_sigprocmask = yes; then
960 signals_style=POSIX_SIGNALS
961 AC_DEFINE(POSIX_SIGNALS, 1,
962 [Define to 1 if you use POSIX style signal handling.])
963 AC_DEFINE(RELIABLE_SIGNALS)
964 elif test $ac_cv_func_sigblock = yes -a $ac_cv_func_sigsetmask = yes; then
965 signals_style=BSD_SIGNALS
966 AC_DEFINE(BSD_SIGNALS,1,
967 [Define to 1 if you use BSD style signal handling (and can block signals).])
968 AC_DEFINE(RELIABLE_SIGNALS)
969 elif test $ac_cv_func_sighold = yes -a $ac_cv_func_sigrelse = yes; then
970 signals_style=SYSV_SIGNALS
971 AC_DEFINE(SYSV_SIGNALS,1,
972 [Define to 1 if you use SYSV style signal handling (and can block signals).])
974 signals_style=NO_SIGNAL_BLOCKING
975 AC_DEFINE(NO_SIGNAL_BLOCKING,1,
976 [Define to 1 if you have no signal blocking at all (bummer).])
979 AC_MSG_RESULT($signals_style)
981 dnl Where is <signal.h> located? Needed as input for signames.awk
982 AC_CACHE_CHECK(where signal.h is located, nmh_cv_path_signal_h,
983 [for SIGNAL_H in /usr/include/bsd/sys/signal.h dnl Next
984 /usr/include/asm/signal.h dnl Linux 1.3.0 and above
985 /usr/include/asm/signum.h dnl some versions of Linux/Alpha
986 /usr/include/linux/signal.h dnl Linux up to 1.2.11
987 /usr/include/sys/signal.h dnl Almost everybody else
988 /dev/null; dnl Just in case we fall through
990 test -f $SIGNAL_H && \
991 grep '#[ ]*define[ ][ ]*SIG[0-9A-Z]*[ ]*[0-9][0-9]*' $SIGNAL_H > /dev/null && \
994 nmh_cv_path_signal_h=$SIGNAL_H
996 SIGNAL_H=$nmh_cv_path_signal_h
997 AC_SUBST(SIGNAL_H)dnl
1000 dnl OS SPECIFIC DEFINES
1001 dnl ----------------
1002 AH_TEMPLATE(SYS5, [Defined for Solaris 2.x, Irix, OSF/1, HP-UX, AIX, SCO5; only used in vmh.c which is not built.])
1003 AH_TEMPLATE(SVR4, [Defined for Solaris 2.x, Irix, OSF/1, HP-UX, AIX; only used in vmh.c which is not built.])
1004 AH_TEMPLATE(BSD44, [Defined for SunOS 4, FreeBSD, NetBSD, OpenBSD, BSD/OS, Mac OS X/Rhapsody; only used in vmh.c which is not built.])
1005 AH_TEMPLATE(BSD42, [Defined for SunOS 4, FreeBSD, NetBSD, OpenBSD, BSD/OS, Mac OS X/Rhapsody -- does PicoBSD have uname?])
1006 AH_TEMPLATE(SCO_5_STDIO, [Defined for SCO5.])
1008 case "$target_os" in
1047 AC_DEFINE(SCO_5_STDIO)
1052 dnl ----------------
1053 dnl OUTPUT MAKEFILES
1054 dnl ----------------
1055 AC_CONFIG_FILES(Makefile config/Makefile h/Makefile sbr/Makefile uip/Makefile \
1056 mts/Makefile mts/smtp/Makefile \
1057 etc/Makefile docs/Makefile man/Makefile)
1058 AC_CONFIG_COMMANDS([stamp],[test -z "$CONFIG_HEADERS" || echo > stamp-h])
1061 dnl Umm, what's the point of these assignments?? -- <dan-nmh@dilvish.speed.net>
1062 eval "nmhbin=${bindir}"; eval "nmhbin2=${nmhbin}"
1063 eval "nmhsysconf=${sysconfdir}"; eval "nmhsysconf2=${nmhsysconf}"
1064 eval "nmhlib=${libdir}"; eval "nmhlib2=${nmhlib}"
1065 eval "nmhman=${mandir}"
1068 if test x"$enable_pop" = x"yes"; then
1071 if test x"$enable_apop" = x"yes"; then
1072 pop_kinds="${pop_kinds}APOP "
1075 if test x"$with_krb4" != x -a x"$with_krb4" != x"no"; then
1076 pop_kinds="${pop_kinds}KPOP "
1079 pop_kinds="${pop_kinds}POP3)"
1085 nmh version : AC_PACKAGE_VERSION
1086 target os : ${target}
1088 compiler flags : ${CFLAGS}
1089 linker flags : ${LDFLAGS}
1090 definitions : ${OURDEFS}
1091 source code location : ${srcdir}
1092 binary install path : ${nmhbin2}
1093 libary install path : ${nmhlib2}
1094 config files install path : ${nmhsysconf2}
1095 man page install path : ${nmhman}
1096 backup prefix : ${backup_prefix}
1097 transport system : ${MTS}
1098 file locking type : ${LOCKTYPE}
1099 default smtp servers : ${smtpservers}
1100 default editor : ${editorpath}
1101 default pager : ${pagerpath}
1102 email address masquerading : ${masquerade}
1103 pop is enabled : ${pop_kinds}
1104 SASL support : ${sasl_support}"