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="$enable_masquerade"
74 AC_SUBST(masquerade)dnl
76 dnl Do you want mhe support?
78 AS_HELP_STRING([--disable-mhe],[disable mhe support]))
80 dnl mhe support is on by default, so define it unless --disable-mhe or the
81 dnl deprecated, undocumented --disable-nmh-mhe are specified.
82 if test x"$enable_mhe" != x"no" -a x"$enable_nmh_mhe" != x"no"; then
84 [Define to compile in support for the Emacs front-end mh-e.])dnl
87 dnl Do you want client-side support for pop?
89 AS_HELP_STRING([--enable-pop], [enable client-side support for plain POP3]))
90 dnl The old redundant --enable-nmh-pop is deprecated and undocumented.
91 if test x"$enable_nmh_pop" = x"yes"; then
95 dnl Do you want to disable use of locale functions
97 [Undefine if you don't want locale features. By default this is defined.])
98 AC_ARG_ENABLE([locale],
99 AC_HELP_STRING([--disable-locale], [turn off locale features]),
100 [if test x$enableval = xyes; then
106 dnl Do you want client-side support for using SASL for authentication?
107 dnl Note that this code will be enabled for both POP and SMTP
108 AC_ARG_WITH(cyrus-sasl, AS_HELP_STRING([--with-cyrus-sasl=DIR],
109 [specify location of Cyrus SASL library]))
110 if test x"$with_cyrus_sasl" != x -a x"$with_cyrus_sasl" != x"no"; then
111 AC_DEFINE(CYRUS_SASL, 1,
112 [Define to use the Cyrus SASL library for authentication of POP and SMTP.])dnl
118 dnl What should be the default editor?
120 AS_HELP_STRING([--with-editor=EDITOR],[specify the default editor]))
122 if test -n "$with_editor"; then
123 editorpath="$with_editor"
126 dnl Set the backup prefix
127 AC_ARG_WITH([hash-backup],
128 AS_HELP_STRING([--with-hash-backup],[use # as the backup prefix (default: ,)]))
129 if test x"$with_hash_backup" != x -a x"$with_hash_backup" != x"no"; then
134 AC_DEFINE_UNQUOTED(BACKUP_PREFIX, "$backup_prefix",
135 [The prefix that is prepended to the name of message files when they are "removed" by rmm. This should typically be `,' or `#'.])dnl
137 dnl Do you want support for hesiod
139 AS_HELP_STRING([--with-hesiod=DIR],[specify location of Hesiod]))
140 if test x"$with_hesiod" != x -a x"$with_hesiod" != x"no"; then
141 AC_DEFINE(HESIOD,1,[Define this to compile support for using Hesiod.])dnl
144 dnl Do you want client-side support for kpop
145 AC_ARG_WITH(krb4, AS_HELP_STRING([--with-krb4=DIR],
146 [specify location of Kerberos V4 for KPOP support]))
147 if test x"$with_krb4" != x -a x"$with_krb4" != x"no"; then
150 [Define to compile client-side support for kpop (kerberized pop) into inc and msgchk.])dnl
151 AC_DEFINE(KPOP_PRINCIPAL, "pop", [Define this to "pop" when using Kerberos V4])dnl
154 dnl After we know if we're including apop and kpop support, do pop stuff
155 if test x"$enable_pop" = x"yes"; then
157 [Define this to compile client-side support for pop into inc and msgchk.])dnl
159 POPSED='/^%nmhbeginpop%/d;/^%nmhendpop%/d'
161 POPSED='/^%nmhbeginpop%/,/^%nmhendpop%/d'
166 dnl What method of locking to use?
168 AS_HELP_STRING([--with-locking=@<:@dot|fcntl|flock|lockf@:>@],
169 [specify the file locking method]))
171 if test x"$with_locking" = x"dot"; then
173 AC_DEFINE(DOT_LOCKING, 1, [Define to use dot based file locking.])dnl
174 elif test x"$with_locking" = x"flock"; then
176 AC_DEFINE(FLOCK_LOCKING, 1, [Define to use flock() based locking.])dnl
177 elif test x"$with_locking" = x"lockf"; then
179 AC_DEFINE(LOCKF_LOCKING, 1, [Define to use lockf() based locking.])dnl
180 elif test x"$with_locking" = x"fcntl"; then
182 AC_DEFINE(FCNTL_LOCKING, 1, [Define to use fnctl() based locking.])dnl
185 AC_DEFINE(DOT_LOCKING)dnl
188 dnl What method of posting should post use?
190 AS_HELP_STRING([--with-mts=@<:@smtp|sendmail@:>@],
191 [specify the default mail transport agent/service]))
193 if test x"$with_mts" = x"smtp"; then
195 elif test x"$with_mts" = x"sendmail"; then
202 dnl Both the smtp and sendmail mail transport services use the smtp code
203 AC_DEFINE(SMTPMTS, 1,
204 [Define if you want SMTP (simple mail transport protocol) support.])dnl
206 dnl What should be the default pager?
208 AS_HELP_STRING([--with-pager=PAGER],[specify the default pager]))
210 if test -n "$with_pager"; then
211 pagerpath="$with_pager"
214 dnl What should be the default mail server(s)?
215 AC_ARG_WITH(smtpservers,
216 AS_HELP_STRING([--with-smtpservers='SMTPSERVER1@<:@ SMTPSERVER2...@:>@'],
217 [specify the default SMTP server(s) @<:@localhost@:>@]))
218 if test -n "$with_smtpservers"; then
219 smtpservers="$with_smtpservers"
221 smtpservers="localhost"
223 AC_SUBST(smtpservers)dnl
225 dnl ----------------------------------------------------
226 dnl Default location is /usr/local/nmh/{bin,etc,lib,man}
227 dnl ----------------------------------------------------
228 AC_PREFIX_DEFAULT(/usr/local/nmh)
230 dnl ------------------
231 dnl CHECK THE COMPILER
232 dnl ------------------
233 dnl We want these before the checks,
234 dnl so the checks can modify their values.
235 test -z "$CFLAGS" && CFLAGS= auto_cflags=1
236 if test x"$enable_debug" = x"yes"; then
237 test -z "$LDFLAGS" && LDFLAGS=-g
242 AC_CACHE_CHECK(whether compiler supports -Wno-pointer-sign, nmh_cv_has_noptrsign,
243 [nmh_saved_cflags="$CFLAGS"
244 CFLAGS="$CFLAGS -Wno-pointer-sign"
245 AC_TRY_COMPILE([],[],nmh_cv_has_noptrsign=yes,nmh_cv_has_noptrsign=no)
246 CFLAGS="$nmh_saved_cflags"])
248 dnl if the user hasn't specified CFLAGS, then
249 dnl if compiler is gcc, then
250 dnl use -O2 and some warning flags
252 dnl We use -Wall; if the compiler supports it we also use -Wno-pointer-sign,
253 dnl because gcc 4 now produces a lot of new warnings which are probably mostly
254 dnl spurious and which in any case we don't want to deal with now.
255 if test "$nmh_cv_has_noptrsign" = "yes"; then
256 nmh_gcc_warnflags="-Wall -Wno-pointer-sign"
258 nmh_gcc_warnflags="-Wall"
261 if test -n "$auto_cflags"; then
262 if test x"$enable_debug" = x"yes"; then
263 if test -n "$GCC"; then
264 test -z "$CFLAGS" && CFLAGS="$nmh_gcc_warnflags -g" || CFLAGS="$CFLAGS $nmh_gcc_warnflags -g"
266 test -z "$CFLAGS" && CFLAGS=-g || CFLAGS="$CFLAGS -g"
269 if test -z "$LDFLAGS"; then
279 if test -n "$GCC"; then
280 test -z "$CFLAGS" && CFLAGS="$nmh_gcc_warnflags -O2" || CFLAGS="$CFLAGS $nmh_gcc_warnflags -O2"
282 test -z "$CFLAGS" && CFLAGS=-O || CFLAGS="$CFLAGS -O"
287 AC_C_CONST dnl Does compiler support `const'.
289 dnl ------------------
290 dnl CHECK FOR PROGRAMS
291 dnl ------------------
292 AC_PROG_MAKE_SET dnl Does make define $MAKE
293 AC_PROG_INSTALL dnl Check for BSD compatible `install'
294 AC_PROG_RANLIB dnl Check for `ranlib'
295 AC_PROG_AWK dnl Check for mawk,gawk,nawk, then awk
296 AC_PROG_LEX dnl Check for lex/flex
299 pathtmp=/usr/bin:/bin:/usr/local/bin:/usr/xpg4/bin:/usr/ucb
300 AC_PATH_PROG(cutpath, cut, no, [$pathtmp])
302 dnl ----------------------------------------------
303 dnl check for lclint, and lint if it doesn't exist
304 dnl ----------------------------------------------
305 AC_CHECK_PROG(linttmp1, lclint, lclint, no)dnl
306 if test x$ac_cv_prog_linttmp1 != xno ; then
307 LINT=$ac_cv_prog_linttmp1
308 LINTFLAGS="-weak +posixlib -macrovarprefixexclude"
310 AC_CHECK_PROG(linttmp2, lint, lint, no)dnl
311 if test x$ac_cv_prog_linttmp2 != xno ; then
312 LINT=$ac_cv_prog_linttmp2
315 LINT="echo 'No lint program found'"
320 AC_SUBST(LINTFLAGS)dnl
322 dnl try to figure out which one we've got
323 AC_CHECK_PROG(LIBTOOL, libtool, libtool, , [$pathtmp])
326 dnl Check for lorder and tsort commands
327 AC_CHECK_PROG(LORDER, lorder, lorder, no)dnl
328 AC_CHECK_PROG(TSORT, tsort, tsort, no)dnl
330 dnl If either doesn't exist, replace them with echo and cat
331 if test x$ac_cv_prog_LORDER != xlorder -o x$ac_cv_prog_TSORT != xtsort; then
336 dnl Mac OS X has lorder, but sh is too broken for it to work
337 dnl elif test -z "`lorder config/config.c 2>&1 | grep config/config.c`" ; then
340 dnl AC_SUBST(LORDER)dnl
341 dnl AC_SUBST(TSORT)dnl
344 dnl Check whether tsort can deal with loops
345 AC_CACHE_CHECK(whether tsort can deal with loops, nmh_cv_tsort_loop,
346 [if test -z "`echo a b b a | tsort 2>/dev/null | grep a`" ; then
349 nmh_cv_tsort_loop=yes
351 if test x$nmh_cv_tsort_loop = xno ; then
359 pathtmp=/usr/bin:/bin:/usr/local/bin:/usr/xpg4/bin:/usr/ucb
360 AC_PATH_PROG(lspath, ls, no, [$pathtmp])
362 dnl See how we get ls to display the owner and the group
363 if test "$lspath" != "no"; then
364 AC_CACHE_CHECK(how to get ls to show us the group ownership of a file,
366 [if test x"`$lspath -dl / | $AWK '{print $9}'`" = x"/"; then
367 dnl There were 9 parameters, so unless this is a really bizarre, nonstandard
368 dnl ls, it would seem -l gave us both the user and group. On this type of
369 dnl ls, -g makes _only_ the group be displayed (and not the user).
370 nmh_cv_ls_grpopt="-l"
372 dnl Looks like -l only gave us the user, so we need -g to get the group too.
373 nmh_cv_ls_grpopt="-lg"
378 pathtmp=/usr/bin:/bin:/usr/ucb:/usr/local/bin
379 AC_PATH_PROG(morepath, more, no, [$pathtmp])
381 dnl If pager is not specified yet,
382 dnl then use `more' as the default.
383 if test -z "$pagerpath"; then
384 pagerpath="$morepath"
386 AC_SUBST(pagerpath)dnl
388 dnl Look for `sendmail'
389 pathtmp=/usr/lib:/usr/sbin:/usr/etc:/usr/ucblib:/usr/bin:/bin
390 AC_PATH_PROG(sendmailpath, sendmail, /usr/sbin/sendmail, [$pathtmp])
393 pathtmp=/usr/bin:/bin:/usr/ucb:/usr/local/bin
394 AC_PATH_PROG(vipath, vi, /bin/vi, [$pathtmp])
396 dnl If editor is not specified yet,
397 dnl then use `vi' as the default.
398 if test -z "$editorpath"; then
401 AC_SUBST(editorpath)dnl
403 dnl ----------------------------------------------------------
404 dnl FIND MAIL SPOOL AND SEE IF WE NEED TO MAKE inc SETGID MAIL
405 dnl ----------------------------------------------------------
406 AC_CACHE_CHECK(where mail spool is located, nmh_cv_mailspool,
407 [for mailspool in /var/mail dnl
410 /dev/null; dnl Just in case we fall through
412 test -d $mailspool && break
414 nmh_cv_mailspool=$mailspool
416 mailspool=$nmh_cv_mailspool
417 AC_SUBST(mailspool)dnl
419 dnl See whether the mail spool directory is world-writable.
420 if test "$lspath" != "no" -a "$cutpath" != "no"; then
421 AC_CACHE_CHECK(whether the mail spool is world-writable,
422 nmh_cv_mailspool_world_writable,
423 [if test "`$lspath -dlL $mailspool | $cutpath -c9`" = "-"; then
424 nmh_cv_mailspool_world_writable=no
426 nmh_cv_mailspool_world_writable=yes
430 dnl Also, check for liblockfile (as found on Debian systems)
431 AC_CHECK_HEADER(lockfile.h, AC_CHECK_LIB(lockfile, lockfile_create) )
433 dnl and whether its companion program dotlockfile is setgid
434 AC_PATH_PROG(dotlockfilepath, dotlockfile, no)
435 if test "$ac_cv_lib_lockfile_lockfile_create" != "no" ; then
436 if test "$ac_cv_path_dotlockfilepath" != "no" ; then
437 AC_CACHE_CHECK(whether dotlockfile is setgid, nmh_cv_dotlockfile_setgid,
438 [ if test -g "$ac_cv_path_dotlockfilepath" ; then
439 nmh_cv_dotlockfile_setgid=yes
441 nmh_cv_dotlockfile_setgid=no
446 dnl If mailspool is not world-writable and dotlockfile is not setgid,
447 dnl we need to #define MAILGROUP to 1 and make inc setgid.
448 if test x"$LOCKTYPE" = x"dot" -a x"$nmh_cv_mailspool_world_writable" = x"no" -a x"$nmh_cv_dotlockfile_setgid" != x"yes" ; then
449 dnl do we really need both of these?
450 AC_DEFINE(MAILGROUP,1,
451 [Define to 1 if you need to make `inc' set-group-id because your mail spool is not world writable. There are no guarantees as to the safety of doing this, but this #define will add some extra security checks.])dnl
454 AC_SUBST(SETGID_MAIL)dnl
456 dnl Use ls to see which group owns the mail spool directory.
457 AC_CACHE_CHECK(what group owns the mail spool, nmh_cv_ls_mail_grp,
458 [nmh_cv_ls_mail_grp=`$lspath -dL $nmh_cv_ls_grpopt $mailspool|$AWK '{print $4}'`
460 MAIL_SPOOL_GRP=$nmh_cv_ls_mail_grp
461 AC_SUBST(MAIL_SPOOL_GRP)dnl
463 dnl ------------------
464 dnl CHECK HEADER FILES
465 dnl ------------------
467 dnl On glibc we need to define at least the '_XOPEN_SOURCE' level of features,
468 dnl or wchar.h doesn't declare a prototype for wcwidth(). But if we only define
469 dnl that level then db.h won't compile. So we define _GNU_SOURCE which turns
470 dnl on everything. Perhaps other OSes need some feature switch set to get wcwidth()
471 dnl declared; if so they should have an entry added to this case statement.
472 dnl NB that we must define this on the compiler command line, not in config.h,
473 dnl because it must be set before any system header is included and there's no
474 dnl portable way to make sure that files generated by lex include config.h
475 dnl before system header files.
479 # Like DEFS, but doesn't get stomped on by configure when using config.h:
480 OURDEFS="$OURDEFS -D_GNU_SOURCE"
491 AC_CHECK_HEADERS(string.h memory.h stdlib.h unistd.h errno.h fcntl.h \
492 limits.h crypt.h termcap.h termio.h termios.h locale.h \
493 langinfo.h wchar.h wctype.h iconv.h netdb.h \
494 sys/param.h sys/time.h sys/utsname.h sys/stream.h \
495 arpa/inet.h arpa/ftp.h)
498 dnl Checks for _IO_write_ptr. A Linuxism used by nmh on linux. We
499 dnl really use a whole set of them, but this check should be
502 AC_CHECK_HEADER(libio.h, [
503 AC_EGREP_HEADER(_IO_write_ptr, libio.h, [
504 AC_DEFINE(LINUX_STDIO,1,[Use the Linux _IO_*_ptr defines from <libio.h>.]) ]) ])
506 AC_CHECK_HEADER([sys/ptem.h], AC_DEFINE(WINSIZE_IN_PTEM,1,
507 [Define to 1 if `struct winsize' requires <sys/ptem.h>.]),,
508 [[#if HAVE_SYS_STREAM_H
509 # include <sys/stream.h>
517 AC_CHECK_LIB(mkstemp,mkstemp)
518 AC_CHECK_FUNCS(waitpid wait3 sigaction sigprocmask sigblock sigsetmask \
519 sighold sigrelse writev lstat uname tzset killpg mkstemp \
520 getutent nl_langinfo mbtowc wcwidth)
522 dnl solaris has these in the nsl library
523 AC_SEARCH_LIBS(gethostbyname, nsl,
524 [AC_DEFINE(HAVE_GETHOSTBYNAME,1,
525 [Define to 1 if you have the `gethostbyname' function.])])
526 AC_SEARCH_LIBS(sethostent, nsl,
527 [AC_DEFINE(HAVE_SETHOSTENT,1,
528 [Define to 1 if you have the `sethostent' function.])])
530 dnl sigsetjmp may be a macro
531 AC_MSG_CHECKING(for sigsetjmp)
532 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <setjmp.h>]],
533 [[sigsetjmp((void *)0, 0);]])],[AC_DEFINE(HAVE_SIGSETJMP, 1,
534 [Define to 1 if you have the `sigsetjmp'.]) AC_MSG_RESULT(yes)],
537 AC_REPLACE_FUNCS(memmove snprintf strerror strdup)
539 dnl Look for the initgroups() declaration. On AIX 4.[13], Solaris 4.1.3, and
540 dnl ULTRIX 4.2A the function is defined in libc but there's no declaration in
541 dnl any system header.
543 dnl On Solaris 2.[456], the declaration is in <grp.h>. On HP-UX 9-11 and
544 dnl (reportedly) FreeBSD 3.[23], it's in <unistd.h>. Any other locations we
546 AH_TEMPLATE(INITGROUPS_HEADER, [Define to the header containing the declaration of `initgroups'.])
547 AC_EGREP_HEADER(initgroups, grp.h, AC_DEFINE(INITGROUPS_HEADER, <grp.h>),
548 AC_EGREP_HEADER(initgroups, unistd.h,
549 AC_DEFINE(INITGROUPS_HEADER, <unistd.h>)))
551 dnl On AIX 4.1, snprintf() is defined in libc.a but there's no prototype in
552 dnl <stdio.h> or elsewhere. Apparently it's not officially supported (though it
553 dnl seems to work perfectly and IBM apparently uses it in internal code).
554 dnl Anyhow, if we omit our own snprintf() and vsnprintf() prototypes when we
555 dnl HAVE_SNPRINTF, we get a billion warnings at compile time. Use the C
556 dnl preprocessor to preprocess stdio.h and make sure that there's actually a
558 AC_EGREP_HEADER(snprintf, stdio.h, AC_DEFINE(HAVE_SNPRINTF_PROTOTYPE,1,
559 [Define to 1 if <stdio.h> has a prototype for snprintf().]))
561 dnl Check for multibyte character set support
562 if test "x$ac_cv_header_wchar_h" = "xyes" -a "x$ac_cv_header_wctype_h" = "xyes" \
563 -a "x$ac_cv_func_wcwidth" = "xyes" -a "x$ac_cv_func_mbtowc" = "xyes"; then
564 AC_DEFINE(MULTIBYTE_SUPPORT, 1,
565 [Define to enable support for multibyte character sets.])
568 dnl -------------------
569 dnl CHECK FOR LIBRARIES
570 dnl -------------------
571 dnl Check location of modf
572 AC_CHECK_FUNC(modf, , AC_CHECK_LIB(m, modf))
574 dnl Checks for network libraries (nsl, socket)
577 termcap_curses_order="termcap curses ncurses"
578 for lib in $termcap_curses_order; do
579 AC_CHECK_LIB(${lib}, tgetent, [TERMLIB="-l$lib"; break])
587 dnl Find iconv. It may be in libiconv and may be iconv() or libiconv()
588 if test "x$ac_cv_header_iconv_h" = "xyes"; then
589 AC_CHECK_FUNC(iconv, ac_found_iconv=yes, ac_found_iconv=no)
590 if test "x$ac_found_iconv" = "xno"; then
591 AC_CHECK_LIB(iconv, iconv, ac_found_iconv=yes)
592 if test "x$ac_found_iconv" = "xno"; then
593 AC_CHECK_LIB(iconv, libiconv, ac_found_iconv=yes)
595 if test "x$ac_found_iconv" != "xno"; then
599 dnl Handle case where there is a native iconv but iconv.h is from libiconv
600 AC_CHECK_DECL(_libiconv_version,
601 [ AC_CHECK_LIB(iconv, libiconv, LIBS="-liconv $LIBS") ],,
602 [ #include <iconv.h> ])
605 if test "x$ac_found_iconv" = xyes; then
606 AC_DEFINE(HAVE_ICONV, 1, [Define if you have the iconv() function.])
609 dnl Check if iconv uses const in prototype declaration
610 if test "x$ac_found_iconv" = "xyes"; then
611 AC_CACHE_CHECK(for iconv declaration, ac_cv_iconv_const,
612 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdlib.h>
613 #include <iconv.h>]],
617 #if defined(__STDC__) || defined(__cplusplus)
618 size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
622 [ac_cv_iconv_const=],
623 [ac_cv_iconv_const=const])])
624 AC_DEFINE_UNQUOTED([ICONV_CONST], $ac_cv_iconv_const,
625 [Define as const if the declaration of iconv() needs const.])
632 AC_ARG_WITH([ndbm],AS_HELP_STRING([--with-ndbm=ARG],[use -lARG to link with ndbm]),
633 [nmh_ndbm=$withval],[nmh_ndbm=autodetect])
634 AC_ARG_WITH([ndbmheader],AS_HELP_STRING([--with-ndbmheader=ARG],[#include <ARG> to use ndbm]),
635 [nmh_ndbmheader=$withval],[nmh_ndbmheader=autodetect])
637 if test "$nmh_ndbm" = "autodetect"; then
638 if test "$nmh_ndbmheader" != "autodetect"; then
639 AC_MSG_ERROR([must specify both --with-ndbm and --with-ndbmheader or neither])
642 dnl There are at least four implementations of ndbm, and
643 dnl several of those can be in different places at the whim
644 dnl of the system integrator. A good summary of this mess
645 dnl can be found at http://www.unixpapa.com/incnote/dbm.html
647 dnl Classic ndbm with no library required (eg NetBSD): try this
648 dnl first so we don't accidentally link in a pointless but harmless
649 dnl library in one of the later ndbm.h+libfoo tests:
650 NMH_CHECK_NDBM(ndbm.h,,,
651 dnl Berkeley DBv2 emulating ndbm: header in db.h:
652 NMH_CHECK_NDBM(db.h,db,,
653 dnl Berkeley DBv1 emulating ndbm:
654 NMH_CHECK_NDBM(ndbm.h,db,,
655 NMH_CHECK_NDBM(ndbm.h,db1,,
657 NMH_CHECK_NDBM(ndbm.h,ndbm,,
658 dnl glibc2.1 systems put db1 in a subdir:
659 NMH_CHECK_NDBM(db1/ndbm.h,db1,,
660 dnl GNU gdbm emulating ndbm, with header possibly in gdbm/
661 dnl and possibly needing gbdm_compat library:
662 NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm,,
663 NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm_compat -lgdbm,,
664 NMH_CHECK_NDBM(ndbm.h,gdbm,,
665 NMH_CHECK_NDBM(ndbm.h,gdbm_compat -lgdbm))))))))))
669 dnl We don't really need to check that the user-specified values work,
670 dnl but it is a convenience to the user to bomb out early rather than
671 dnl after configure and half the compile process.
672 NMH_CHECK_NDBM([$nmh_ndbmheader],[$nmh_ndbm])
675 if test "$nmh_ndbm_found" = "no"; then
676 AC_MSG_ERROR([could not find a working ndbm library/header combination])
678 dnl Now export the lib/header to our makefile/config.h:
679 if test x"$nmh_ndbmheader" != x; then
680 AC_DEFINE_UNQUOTED(NDBM_HEADER, <$nmh_ndbmheader>,
681 [Define to the header containing the ndbm API prototypes.])
683 if test x"$nmh_ndbm" != x; then
684 NDBM_LIBS="-l$nmh_ndbm"
695 if test x"$with_hesiod" != x -a x"$with_hesiod" != x"no"; then
696 if test x"$with_hesiod" != x"yes"; then
697 HESIOD_INCLUDES="-I$with_hesiod/include"
698 HESIOD_LIBS="-L$with_hesiod/lib"
700 AC_CHECK_FUNC(res_send,
701 [AC_CHECK_LIB(hesiod, hes_resolve,
702 [HESIOD_LIBS="$HESIOD_LIBS -lhesiod"],
703 [AC_MSG_ERROR(Hesiod library not found)],
705 [AC_CHECK_LIB(hesiod, hes_resolve,
706 [HESIOD_LIBS="$HESIOD_LIBS -lhesiod -lresolv"],
707 [AC_MSG_ERROR(Hesiod library not found)],
708 $HESIOD_LIBS -lresolv)])
711 AC_SUBST(HESIOD_INCLUDES)dnl
712 AC_SUBST(HESIOD_LIBS)dnl
714 dnl ----------------------------------
715 dnl CHECK FOR KRB4 (Kerberos4 support)
716 dnl ----------------------------------
717 if test x"$with_krb4" != x -a x"$with_krb4" != x"no"; then
718 if test x"$with_krb4" != x"yes"; then
719 KRB4_INCLUDES="-I$with_krb4/include"
720 if test -d "$with_krb4/include/kerberosIV"; then
721 KRB4_INCLUDES="$KRB4_INCLUDES -I$with_krb4/include/kerberosIV"
723 KRB4_LIBS="-L$with_krb4/lib"
724 elif test -d /usr/include/kerberosIV; then
725 KRB4_INCLUDES="-I/usr/include/kerberosIV"
727 dnl First, check if we have -lk5crypto, since that means we have a recent krb5
729 AC_CHECK_LIB(k5crypto, krb5_encrypt,
730 [AC_CHECK_LIB(krb4, krb_rd_req,
731 [KRB4_LIBS="$KRB4_LIBS -lkrb4 -ldes425 -lkrb5 -lk5crypto -lcom_err"],
732 [AC_MSG_ERROR(Kerberos 4 compatibility libraries not found)],
733 $KRB4_LIBS -ldes425 -lkrb5 -lk5crypto -lcom_err)],
735 [AC_CHECK_LIB(krb4, krb_rd_req,
736 [KRB4_LIBS="$KRB4_LIBS -lkrb4 -ldes425 -lkrb5 -lcrypto -lcom_err"],
737 [AC_CHECK_LIB(krb, krb_rd_req,
738 [KRB4_LIBS="$KRB4_LIBS -lkrb -ldes"],
739 [AC_MSG_ERROR(Kerberos 4 libraries not found)],
741 $KRB4_LIBS -ldes425 -lkrb5 -lcrypto -lcom_err)],
745 AC_SUBST(KRB4_INCLUDES)dnl
746 AC_SUBST(KRB4_LIBS)dnl
748 dnl --------------------
749 dnl CHECK FOR CYRUS SASL
750 dnl --------------------
751 if test x"$with_cyrus_sasl" != x -a x"$with_cyrus_sasl" != x"no"; then
752 if test x"$with_cyrus_sasl" != x"yes"; then
753 SASL_INCLUDES="-I$with_cyrus_sasl/include"
754 SASL_LIBS="-L$with_cyrus_sasl/lib"
756 dnl Do OS-specific hardcoding of SASL shared library path into executables,
757 dnl so user isn't forced to set environment variables like Solaris'
761 SASL_LIBS="$SASL_LIBS -R$with_cyrus_sasl/lib"
765 save_LDFLAGS="$LDFLAGS"
766 LDFLAGS="$LDFLAGS $SASL_LIBS"
767 AC_CHECK_LIB(sasl2, sasl_client_new,
768 [SASL_LIBS="$SASL_LIBS -lsasl2"],
769 [AC_MSG_ERROR(Cyrus SASL library not found)])
770 LDFLAGS="$save_LDFLAGS"
772 AC_SUBST(SASL_INCLUDES)dnl
773 AC_SUBST(SASL_LIBS)dnl
775 dnl ---------------------
776 dnl CHECK TERMCAP LIBRARY
777 dnl ---------------------
779 dnl Add the termcap library, so that the following configure
780 dnl tests will find it when it tries to link test programs.
781 nmh_save_LIBS="$LIBS"
782 LIBS="$TERMLIB $LIBS"
784 dnl Checks for external variable ospeed in the termcap library.
785 AC_CACHE_CHECK(if an include file defines ospeed,
786 nmh_cv_decl_ospeed_include_defines,
787 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
793 #endif]], [[ospeed = 0;]])],
794 nmh_cv_decl_ospeed_include_defines=yes,nmh_cv_decl_ospeed_include_defines=no)])
796 if test $nmh_cv_decl_ospeed_include_defines = no; then
797 AC_CACHE_CHECK(if you must define ospeed,
798 nmh_cv_decl_ospeed_must_define,
799 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
800 [[extern short ospeed; ospeed = 0;]])],
801 nmh_cv_decl_ospeed_must_define=yes,nmh_cv_decl_ospeed_must_define=no)])
804 AH_TEMPLATE(HAVE_OSPEED, [Define to 1 if your termcap library has the ospeed variable.])
805 if test $nmh_cv_decl_ospeed_include_defines = yes; then
806 AC_DEFINE(HAVE_OSPEED)dnl
807 elif test $nmh_cv_decl_ospeed_must_define = yes; then
808 AC_DEFINE(HAVE_OSPEED)
809 AC_DEFINE(MUST_DEFINE_OSPEED, 1,
810 [Define to 1 if you have ospeed, but it is not defined in termcap.h.])
813 dnl Check if tgetent accepts NULL (and will allocate its own termcap buffer)
814 dnl Some termcaps reportedly accept a zero buffer, but then dump core
816 dnl Under Cygwin test program crashes but exit code is still 0. So,
817 dnl we test for a file that porgram should create
818 AH_TEMPLATE([TGETENT_ACCEPTS_NULL],
819 [Define to 1 if tgetent() accepts NULL as a buffer.])
820 AC_CACHE_CHECK(if tgetent accepts NULL,
821 nmh_cv_func_tgetent_accepts_null,
826 int r1 = tgetent(buf, "vt100");
827 int r2 = tgetent((char*)0,"vt100");
828 if (r1 >= 0 && r1 == r2) {
832 creat("conftest.tgetent", 0640);
834 exit((r1 != r2) || r2 == -1);
837 if test -f conftest.tgetent; then
838 nmh_cv_func_tgetent_accepts_null=yes
840 nmh_cv_func_tgetent_accepts_null=no
842 nmh_cv_func_tgetent_accepts_null=no,
843 nmh_cv_func_tgetent_accepts_null=no)])
844 if test x$nmh_cv_func_tgetent_accepts_null = xyes; then
845 AC_DEFINE(TGETENT_ACCEPTS_NULL)
847 AC_CACHE_CHECK(if tgetent returns 0 on success,
848 nmh_cv_func_tgetent_zero_success,
853 int r1 = tgetent(buf, "!@#$%^&*");
854 int r2 = tgetent(buf, "vt100");
855 if (r1 < 0 && r2 == 0) {
859 creat("conftest.tgetent0", 0640);
864 if test -f conftest.tgetent0; then
865 nmh_cv_func_tgetent_zero_success=yes
867 nmh_cv_func_tgetent_zero_success=no
869 nmh_cv_func_tgetent_zero_success=no,
870 nmh_cv_func_tgetent_zero_success=no)])
871 AH_TEMPLATE([TGETENT_SUCCESS],
872 [Define to what tgetent() returns on success (0 on HP-UX X/Open curses).])
873 if test x$nmh_cv_func_tgetent_zero_success = xyes; then
874 AC_DEFINE(TGETENT_SUCCESS, 0)
876 AC_DEFINE(TGETENT_SUCCESS, 1)
879 dnl Now put the libraries back to what it was before we
880 dnl starting checking the termcap library.
881 LIBS="$nmh_save_LIBS"
893 dnl Check for sigset_t. Currently I'm looking in
894 dnl <sys/types.h> and <signal.h>. Others might need
896 AC_CACHE_CHECK(for sigset_t, nmh_cv_type_sigset_t,
897 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
898 #include <signal.h>]], [[sigset_t tempsigset;]])],
899 nmh_cv_type_sigset_t=yes,nmh_cv_type_sigset_t=no)])
900 if test $nmh_cv_type_sigset_t = no; then
901 AC_DEFINE(sigset_t, unsigned int,
902 [Define to `unsigned int' if <sys/types.h> or <signal.h> doesn't define.])
908 AC_CHECK_MEMBERS(struct stat.st_blksize)
910 AC_CHECK_MEMBERS(struct tm.tm_gmtoff,,,
911 [#ifdef TIME_WITH_SYS_TIME
912 # include <sys/time.h>
915 # ifdef TM_IN_SYS_TIME
916 # include <sys/time.h>
922 AC_CHECK_MEMBERS(struct utmp.ut_type,,,[#include <utmp.h>])
924 AC_MSG_CHECKING(for union wait)
925 AC_CACHE_VAL(nmh_cv_union_wait, [dnl
926 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
927 #include <sys/wait.h>]],
928 [[union wait status; int pid; pid = wait (&status);
930 /* Some POSIXoid systems have both the new-style macros and the old
931 union wait type, and they do not work together. If union wait
932 conflicts with WEXITSTATUS et al, we don't want to use it at all. */
933 if (WEXITSTATUS (status) != 0) pid = -1;
935 /* If we have WEXITSTATUS and WTERMSIG, just use them on ints. */
936 -- blow chunks here --
940 /* Make sure union wait works with waitpid. */
941 pid = waitpid (-1, &status, 0);
944 [nmh_cv_union_wait=yes],
945 [nmh_cv_union_wait=no])])
946 if test "$nmh_cv_union_wait" = yes; then
947 AC_DEFINE(HAVE_UNION_WAIT, 1,
948 [Define to 1 if you have the \`union wait' type in <sys/wait.h>.])
950 AC_MSG_RESULT($nmh_cv_union_wait)
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}"