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
56 dnl Do you want to debug nmh?
58 AS_HELP_STRING([--enable-debug],[enable nmh code debugging]))
59 dnl The old redundant --enable-nmh-debug is deprecated and undocumented.
60 if test x"$enable_nmh_debug" = x"yes"; then
64 dnl Allow users to send email from addresses other than their default?
65 AC_ARG_ENABLE(masquerade,
66 AS_HELP_STRING([--enable-masquerade='draft_from mmailid username_extension'],
67 [enable up to 3 types of address masquerading]),
68 [if test x"$enable_masquerade" = x"yes"; then
69 masquerade="draft_from mmailid username_extension"
71 masquerade="$enable_masquerade"
73 AC_SUBST(masquerade)dnl
75 dnl Do you want mhe support?
77 AS_HELP_STRING([--disable-mhe],[disable mhe support]))
79 dnl mhe support is on by default, so define it unless --disable-mhe or the
80 dnl deprecated, undocumented --disable-nmh-mhe are specified.
81 if test x"$enable_mhe" != x"no" -a x"$enable_nmh_mhe" != x"no"; then
85 dnl Do you want client-side support for pop?
87 AS_HELP_STRING([--enable-pop], [enable client-side support for plain POP3]))
88 dnl The old redundant --enable-nmh-pop is deprecated and undocumented.
89 if test x"$enable_nmh_pop" = x"yes"; then
93 dnl Do you want client-side support for using SASL for authentication?
94 dnl Note that this code will be enabled for both POP and SMTP
95 AC_ARG_WITH(cyrus-sasl, AS_HELP_STRING([--with-cyrus-sasl=DIR],
96 [specify location of Cyrus SASL library]))
97 if test x"$with_cyrus_sasl" != x -a x"$with_cyrus_sasl" != x"no"; then
98 AC_DEFINE(CYRUS_SASL)dnl
104 dnl What should be the default editor?
106 AS_HELP_STRING([--with-editor=EDITOR],[specify the default editor]))
108 if test -n "$with_editor"; then
109 editorpath="$with_editor"
112 dnl Set the backup prefix
113 AC_ARG_WITH([hash-backup],
114 AS_HELP_STRING([--with-hash-backup],[use # as the backup prefix (default: ,)]))
115 if test x"$with_hash_backup" != x -a x"$with_hash_backup" != x"no"; then
120 AC_DEFINE_UNQUOTED(BACKUP_PREFIX, "$backup_prefix")dnl
122 dnl Do you want support for hesiod
124 AS_HELP_STRING([--with-hesiod=DIR],[specify location of Hesiod]))
125 if test x"$with_hesiod" != x -a x"$with_hesiod" != x"no"; then
129 dnl Do you want client-side support for kpop
130 AC_ARG_WITH(krb4, AS_HELP_STRING([--with-krb4=DIR],
131 [specify location of Kerberos V4 for KPOP support]))
132 if test x"$with_krb4" != x -a x"$with_krb4" != x"no"; then
135 AC_DEFINE(KPOP_PRINCIPAL, "pop")dnl
138 dnl After we know if we're including apop and kpop support, do pop stuff
139 if test x"$enable_pop" = x"yes"; then
142 POPSED='/^%nmhbeginpop%/d;/^%nmhendpop%/d'
144 POPSED='/^%nmhbeginpop%/,/^%nmhendpop%/d'
149 dnl What method of locking to use?
151 AS_HELP_STRING([--with-locking=@<:@dot|fcntl|flock|lockf@:>@],
152 [specify the file locking method]))
154 if test x"$with_locking" = x"dot"; then
156 AC_DEFINE(DOT_LOCKING)dnl
157 elif test x"$with_locking" = x"flock"; then
159 AC_DEFINE(FLOCK_LOCKING)dnl
160 elif test x"$with_locking" = x"lockf"; then
162 AC_DEFINE(LOCKF_LOCKING)dnl
163 elif test x"$with_locking" = x"fcntl"; then
165 AC_DEFINE(FCNTL_LOCKING)dnl
168 AC_DEFINE(DOT_LOCKING)dnl
171 dnl What method of posting should post use?
173 AS_HELP_STRING([--with-mts=@<:@smtp|sendmail@:>@],
174 [specify the default mail transport agent/service]))
176 if test x"$with_mts" = x"smtp"; then
178 elif test x"$with_mts" = x"sendmail"; then
185 dnl Both the smtp and sendmail mail transport services use the smtp code
186 AC_DEFINE(SMTPMTS)dnl
188 dnl What should be the default pager?
190 AS_HELP_STRING([--with-pager=PAGER],[specify the default pager]))
192 if test -n "$with_pager"; then
193 pagerpath="$with_pager"
196 dnl What should be the default mail server(s)?
197 AC_ARG_WITH(smtpservers,
198 AS_HELP_STRING([--with-smtpservers='SMTPSERVER1@<:@ SMTPSERVER2...@:>@'],
199 [specify the default SMTP server(s) @<:@localhost@:>@]))
200 if test -n "$with_smtpservers"; then
201 smtpservers="$with_smtpservers"
203 smtpservers="localhost"
205 AC_SUBST(smtpservers)dnl
207 dnl ----------------------------------------------------
208 dnl Default location is /usr/local/nmh/{bin,etc,lib,man}
209 dnl ----------------------------------------------------
210 AC_PREFIX_DEFAULT(/usr/local/nmh)
212 dnl ------------------
213 dnl CHECK THE COMPILER
214 dnl ------------------
215 dnl We want these before the checks,
216 dnl so the checks can modify their values.
217 test -z "$CFLAGS" && CFLAGS= auto_cflags=1
218 if test x"$enable_debug" = x"yes"; then
219 test -z "$LDFLAGS" && LDFLAGS=-g
224 AC_CACHE_CHECK(whether compiler supports -Wno-pointer-sign, nmh_cv_has_noptrsign,
225 [nmh_saved_cflags="$CFLAGS"
226 CFLAGS="$CFLAGS -Wno-pointer-sign"
227 AC_TRY_COMPILE([],[],nmh_cv_has_noptrsign=yes,nmh_cv_has_noptrsign=no)
228 CFLAGS="$nmh_saved_cflags"])
230 dnl if the user hasn't specified CFLAGS, then
231 dnl if compiler is gcc, then
232 dnl use -O2 and some warning flags
234 dnl We use -Wall; if the compiler supports it we also use -Wno-pointer-sign,
235 dnl because gcc 4 now produces a lot of new warnings which are probably mostly
236 dnl spurious and which in any case we don't want to deal with now.
237 if test "$nmh_cv_has_noptrsign" = "yes"; then
238 nmh_gcc_warnflags="-Wall -Wno-pointer-sign"
240 nmh_gcc_warnflags="-Wall"
243 if test -n "$auto_cflags"; then
244 if test x"$enable_debug" = x"yes"; then
245 if test -n "$GCC"; then
246 test -z "$CFLAGS" && CFLAGS="$nmh_gcc_warnflags -g" || CFLAGS="$CFLAGS $nmh_gcc_warnflags -g"
248 test -z "$CFLAGS" && CFLAGS=-g || CFLAGS="$CFLAGS -g"
251 if test -z "$LDFLAGS"; then
261 if test -n "$GCC"; then
262 test -z "$CFLAGS" && CFLAGS="$nmh_gcc_warnflags -O2" || CFLAGS="$CFLAGS $nmh_gcc_warnflags -O2"
264 test -z "$CFLAGS" && CFLAGS=-O || CFLAGS="$CFLAGS -O"
269 AC_C_CONST dnl Does compiler support `const'.
271 dnl ------------------
272 dnl CHECK FOR PROGRAMS
273 dnl ------------------
274 AC_PROG_MAKE_SET dnl Does make define $MAKE
275 AC_PROG_INSTALL dnl Check for BSD compatible `install'
276 AC_PROG_RANLIB dnl Check for `ranlib'
277 AC_PROG_AWK dnl Check for mawk,gawk,nawk, then awk
278 AC_PROG_LEX dnl Check for lex/flex
281 pathtmp=/usr/bin:/bin:/usr/local/bin:/usr/xpg4/bin:/usr/ucb
282 AC_PATH_PROG(cutpath, cut, no, [$pathtmp])
284 dnl ----------------------------------------------
285 dnl check for lclint, and lint if it doesn't exist
286 dnl ----------------------------------------------
287 AC_CHECK_PROG(linttmp1, lclint, lclint, no)dnl
288 if test x$ac_cv_prog_linttmp1 != xno ; then
289 LINT=$ac_cv_prog_linttmp1
290 LINTFLAGS="-weak +posixlib -macrovarprefixexclude"
292 AC_CHECK_PROG(linttmp2, lint, lint, no)dnl
293 if test x$ac_cv_prog_linttmp2 != xno ; then
294 LINT=$ac_cv_prog_linttmp2
297 LINT="echo 'No lint program found'"
302 AC_SUBST(LINTFLAGS)dnl
304 dnl try to figure out which one we've got
305 AC_CHECK_PROG(LIBTOOL, libtool, libtool, , [$pathtmp])
308 dnl Check for lorder and tsort commands
309 AC_CHECK_PROG(LORDER, lorder, lorder, no)dnl
310 AC_CHECK_PROG(TSORT, tsort, tsort, no)dnl
312 dnl If either doesn't exist, replace them with echo and cat
313 if test x$ac_cv_prog_LORDER != xlorder -o x$ac_cv_prog_TSORT != xtsort; then
318 dnl Mac OS X has lorder, but sh is too broken for it to work
319 dnl elif test -z "`lorder config/config.c 2>&1 | grep config/config.c`" ; then
322 dnl AC_SUBST(LORDER)dnl
323 dnl AC_SUBST(TSORT)dnl
326 dnl Check whether tsort can deal with loops
327 AC_CACHE_CHECK(whether tsort can deal with loops, nmh_cv_tsort_loop,
328 [if test -z "`echo a b b a | tsort 2>/dev/null | grep a`" ; then
331 nmh_cv_tsort_loop=yes
333 if test x$nmh_cv_tsort_loop = xno ; then
341 pathtmp=/usr/bin:/bin:/usr/local/bin:/usr/xpg4/bin:/usr/ucb
342 AC_PATH_PROG(lspath, ls, no, [$pathtmp])
344 dnl See how we get ls to display the owner and the group
345 if test "$lspath" != "no"; then
346 AC_CACHE_CHECK(how to get ls to show us the group ownership of a file,
348 [if test x"`$lspath -dl / | $AWK '{print $9}'`" = x"/"; then
349 dnl There were 9 parameters, so unless this is a really bizarre, nonstandard
350 dnl ls, it would seem -l gave us both the user and group. On this type of
351 dnl ls, -g makes _only_ the group be displayed (and not the user).
352 nmh_cv_ls_grpopt="-l"
354 dnl Looks like -l only gave us the user, so we need -g to get the group too.
355 nmh_cv_ls_grpopt="-lg"
360 pathtmp=/usr/bin:/bin:/usr/ucb:/usr/local/bin
361 AC_PATH_PROG(morepath, more, no, [$pathtmp])
363 dnl If pager is not specified yet,
364 dnl then use `more' as the default.
365 if test -z "$pagerpath"; then
366 pagerpath="$morepath"
368 AC_SUBST(pagerpath)dnl
370 dnl Look for `sendmail'
371 pathtmp=/usr/lib:/usr/sbin:/usr/etc:/usr/ucblib:/usr/bin:/bin
372 AC_PATH_PROG(sendmailpath, sendmail, /usr/sbin/sendmail, [$pathtmp])
375 pathtmp=/usr/bin:/bin:/usr/ucb:/usr/local/bin
376 AC_PATH_PROG(vipath, vi, /bin/vi, [$pathtmp])
378 dnl If editor is not specified yet,
379 dnl then use `vi' as the default.
380 if test -z "$editorpath"; then
383 AC_SUBST(editorpath)dnl
385 dnl ----------------------------------------------------------
386 dnl FIND MAIL SPOOL AND SEE IF WE NEED TO MAKE inc SETGID MAIL
387 dnl ----------------------------------------------------------
388 AC_CACHE_CHECK(where mail spool is located, nmh_cv_mailspool,
389 [for mailspool in /var/mail dnl
392 /dev/null; dnl Just in case we fall through
394 test -d $mailspool && break
396 nmh_cv_mailspool=$mailspool
398 mailspool=$nmh_cv_mailspool
399 AC_SUBST(mailspool)dnl
401 dnl See whether the mail spool directory is world-writable.
402 if test "$lspath" != "no" -a "$cutpath" != "no"; then
403 AC_CACHE_CHECK(whether the mail spool is world-writable,
404 nmh_cv_mailspool_world_writable,
405 [if test "`$lspath -dlL $mailspool | $cutpath -c9`" = "-"; then
406 nmh_cv_mailspool_world_writable=no
408 nmh_cv_mailspool_world_writable=yes
412 dnl Also, check for liblockfile (as found on Debian systems)
413 AC_CHECK_HEADER(lockfile.h, AC_CHECK_LIB(lockfile, lockfile_create) )
415 dnl and whether its companion program dotlockfile is setgid
416 AC_PATH_PROG(dotlockfilepath, dotlockfile, no)
417 if test "$ac_cv_lib_lockfile_lockfile_create" != "no" ; then
418 if test "$ac_cv_path_dotlockfilepath" != "no" ; then
419 AC_CACHE_CHECK(whether dotlockfile is setgid, nmh_cv_dotlockfile_setgid,
420 [ if test -g "$ac_cv_path_dotlockfilepath" ; then
421 nmh_cv_dotlockfile_setgid=yes
423 nmh_cv_dotlockfile_setgid=no
428 dnl If mailspool is not world-writable and dotlockfile is not setgid,
429 dnl we need to #define MAILGROUP to 1 and make inc setgid.
430 if test x"$LOCKTYPE" = x"dot" -a x"$nmh_cv_mailspool_world_writable" = x"no" -a x"$nmh_cv_dotlockfile_setgid" != x"yes" ; then
431 dnl do we really need both of these?
432 AC_DEFINE(MAILGROUP)dnl
435 AC_SUBST(SETGID_MAIL)dnl
437 dnl Use ls to see which group owns the mail spool directory.
438 AC_CACHE_CHECK(what group owns the mail spool, nmh_cv_ls_mail_grp,
439 [nmh_cv_ls_mail_grp=`$lspath -dL $nmh_cv_ls_grpopt $mailspool|$AWK '{print $4}'`
441 MAIL_SPOOL_GRP=$nmh_cv_ls_mail_grp
442 AC_SUBST(MAIL_SPOOL_GRP)dnl
444 dnl ------------------
445 dnl CHECK HEADER FILES
446 dnl ------------------
448 dnl On glibc we need to define at least the '_XOPEN_SOURCE' level of features,
449 dnl or wchar.h doesn't declare a prototype for wcwidth(). But if we only define
450 dnl that level then db.h won't compile. So we define _GNU_SOURCE which turns
451 dnl on everything. Perhaps other OSes need some feature switch set to get wcwidth()
452 dnl declared; if so they should have an entry added to this case statement.
453 dnl NB that we must define this on the compiler command line, not in config.h,
454 dnl because it must be set before any system header is included and there's no
455 dnl portable way to make sure that files generated by lex include config.h
456 dnl before system header files.
460 # Like DEFS, but doesn't get stomped on by configure when using config.h:
461 OURDEFS="$OURDEFS -D_GNU_SOURCE"
471 AC_CHECK_HEADERS(string.h memory.h stdlib.h unistd.h errno.h fcntl.h \
472 limits.h crypt.h termcap.h termio.h termios.h locale.h \
473 langinfo.h wchar.h wctype.h iconv.h netdb.h \
474 sys/param.h sys/time.h sys/utsname.h sys/stream.h \
475 arpa/inet.h arpa/ftp.h)
477 AC_CACHE_CHECK(POSIX termios, nmh_cv_sys_posix_termios,
478 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
480 #include <termios.h>]],
481 [[/* SunOS 4.0.3 has termios.h but not the library calls. */
482 tcgetattr(0, 0);]])],
483 nmh_cv_sys_posix_termios=yes, nmh_cv_sys_posix_termios=no)])
485 if test $nmh_cv_sys_posix_termios = yes; then
486 AC_CACHE_CHECK(TIOCGWINSZ in termios.h,
487 nmh_cv_header_termios_h_tiocgwinsz,
488 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
489 #include <termios.h>]],
490 [[int x = TIOCGWINSZ;]])],
491 nmh_cv_header_termios_h_tiocgwinsz=yes,nmh_cv_header_termios_h_tiocgwinsz=no)])
493 nmh_cv_header_termios_h_tiocgwinsz=no
496 if test $nmh_cv_header_termios_h_tiocgwinsz = no; then
497 AC_CACHE_CHECK(TIOCGWINSZ in sys/ioctl.h,
498 nmh_cv_header_sys_ioctl_h_tiocgwinsz,
499 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
500 #include <sys/ioctl.h>]],
501 [[int x = TIOCGWINSZ;]])],
502 nmh_cv_header_sys_ioctl_h_tiocgwinsz=yes,nmh_cv_header_sys_ioctl_h_tiocgwinsz=no)])
503 if test $nmh_cv_header_sys_ioctl_h_tiocgwinsz = yes; then
504 AC_DEFINE(GWINSZ_IN_SYS_IOCTL)dnl
509 dnl Checks for _IO_write_ptr. A Linuxism used by nmh on linux. We
510 dnl really use a whole set of them, but this check should be
513 AC_CHECK_HEADER(libio.h, [
514 AC_EGREP_HEADER(_IO_write_ptr, libio.h, [
515 AC_DEFINE(LINUX_STDIO) ]) ])
517 AC_CHECK_HEADER([sys/ptem.h], AC_DEFINE(WINSIZE_IN_PTEM),,
518 [[#if HAVE_SYS_STREAM_H
519 # include <sys/stream.h>
527 AC_CHECK_LIB(mkstemp,mkstemp)
528 AC_CHECK_FUNCS(waitpid wait3 sigaction sigprocmask sigblock sigsetmask \
529 sighold sigrelse writev lstat uname tzset killpg mkstemp \
530 sethostent getutent nl_langinfo mbtowc wcwidth)
532 dnl solaris screws this up
533 AC_CHECK_FUNC(gethostbyname, [AC_DEFINE(HAVE_GETHOSTBYNAME)],
534 AC_CHECK_LIB(nsl, gethostbyname, [AC_DEFINE(HAVE_GETHOSTBYNAME)] ) )
536 dnl sigsetjmp may be a macro
537 AC_MSG_CHECKING(for sigsetjmp)
538 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <setjmp.h>]],
539 [[sigsetjmp((void *)0, 0);]])],[AC_DEFINE(HAVE_SIGSETJMP) AC_MSG_RESULT(yes)],
542 AC_REPLACE_FUNCS(snprintf strdup)
544 dnl Look for the initgroups() declaration. On AIX 4.[13], Solaris 4.1.3, and
545 dnl ULTRIX 4.2A the function is defined in libc but there's no declaration in
546 dnl any system header.
548 dnl On Solaris 2.[456], the declaration is in <grp.h>. On HP-UX 9-11 and
549 dnl (reportedly) FreeBSD 3.[23], it's in <unistd.h>. Any other locations we
551 AC_EGREP_HEADER(initgroups, grp.h, AC_DEFINE(INITGROUPS_HEADER, <grp.h>),
552 AC_EGREP_HEADER(initgroups, unistd.h,
553 AC_DEFINE(INITGROUPS_HEADER, <unistd.h>)))
555 dnl On AIX 4.1, snprintf() is defined in libc.a but there's no prototype in
556 dnl <stdio.h> or elsewhere. Apparently it's not officially supported (though it
557 dnl seems to work perfectly and IBM apparently uses it in internal code).
558 dnl Anyhow, if we omit our own snprintf() and vsnprintf() prototypes when we
559 dnl HAVE_SNPRINTF, we get a billion warnings at compile time. Use the C
560 dnl preprocessor to preprocess stdio.h and make sure that there's actually a
562 AC_EGREP_HEADER(snprintf, stdio.h, AC_DEFINE(HAVE_SNPRINTF_PROTOTYPE))
564 dnl Check for multibyte character set support
565 if test "x$ac_cv_header_wchar_h" = "xyes" -a "x$ac_cv_header_wctype_h" = "xyes" \
566 -a "x$ac_cv_func_wcwidth" = "xyes" -a "x$ac_cv_func_mbtowc" = "xyes"; then
567 AC_DEFINE(MULTIBYTE_SUPPORT, 1,
568 [Define to enable support for multibyte character sets])
571 dnl -------------------
572 dnl CHECK FOR LIBRARIES
573 dnl -------------------
574 dnl Check location of modf
575 AC_CHECK_FUNC(modf, , AC_CHECK_LIB(m, modf))
577 dnl Checks for network libraries (nsl, socket)
580 termcap_curses_order="termcap curses ncurses"
581 for lib in $termcap_curses_order; do
582 AC_CHECK_LIB(${lib}, tgetent, [TERMLIB="-l$lib"; break])
590 dnl Find iconv. It may be in libiconv and may be iconv() or libiconv()
591 if test "x$ac_cv_header_iconv_h" = "xyes"; then
592 AC_CHECK_FUNC(iconv, ac_found_iconv=yes, ac_found_iconv=no)
593 if test "x$ac_found_iconv" = "xno"; then
594 AC_CHECK_LIB(iconv, iconv, ac_found_iconv=yes)
595 if test "x$ac_found_iconv" = "xno"; then
596 AC_CHECK_LIB(iconv, libiconv, ac_found_iconv=yes)
598 if test "x$ac_found_iconv" != "xno"; then
602 dnl Handle case where there is a native iconv but iconv.h is from libiconv
603 AC_CHECK_DECL(_libiconv_version,
604 [ AC_CHECK_LIB(iconv, libiconv, LIBS="-liconv $LIBS") ],,
605 [ #include <iconv.h> ])
608 if test "x$ac_found_iconv" = xyes; then
609 AC_DEFINE(HAVE_ICONV, 1, [Define if you have the iconv() function.])
612 dnl Check if iconv uses const in prototype declaration
613 if test "x$ac_found_iconv" = "xyes"; then
614 AC_CACHE_CHECK(for iconv declaration, ac_cv_iconv_const,
615 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdlib.h>
616 #include <iconv.h>]],
620 #if defined(__STDC__) || defined(__cplusplus)
621 size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
625 [ac_cv_iconv_const=],
626 [ac_cv_iconv_const=const])])
627 AC_DEFINE_UNQUOTED([ICONV_CONST], $ac_cv_iconv_const,
628 [Define as const if the declaration of iconv() needs const.])
635 AC_ARG_WITH([ndbm],AS_HELP_STRING([--with-ndbm=ARG],[use -lARG to link with ndbm]),
636 [nmh_ndbm=$withval],[nmh_ndbm=autodetect])
637 AC_ARG_WITH([ndbmheader],AS_HELP_STRING([--with-ndbmheader=ARG],[#include <ARG> to use ndbm]),
638 [nmh_ndbmheader=$withval],[nmh_ndbmheader=autodetect])
640 if test "$nmh_ndbm" = "autodetect"; then
641 if test "$nmh_ndbmheader" != "autodetect"; then
642 AC_MSG_ERROR([must specify both --with-ndbm and --with-ndbmheader or neither])
645 dnl There are at least four implementations of ndbm, and
646 dnl several of those can be in different places at the whim
647 dnl of the system integrator. A good summary of this mess
648 dnl can be found at http://www.unixpapa.com/incnote/dbm.html
650 dnl Classic ndbm with no library required (eg NetBSD): try this
651 dnl first so we don't accidentally link in a pointless but harmless
652 dnl library in one of the later ndbm.h+libfoo tests:
653 NMH_CHECK_NDBM(ndbm.h,,,
654 dnl Berkeley DBv2 emulating ndbm: header in db.h:
655 NMH_CHECK_NDBM(db.h,db,,
656 dnl Berkeley DBv1 emulating ndbm:
657 NMH_CHECK_NDBM(ndbm.h,db,,
658 NMH_CHECK_NDBM(ndbm.h,db1,,
660 NMH_CHECK_NDBM(ndbm.h,ndbm,,
661 dnl glibc2.1 systems put db1 in a subdir:
662 NMH_CHECK_NDBM(db1/ndbm.h,db1,,
663 dnl GNU gdbm emulating ndbm, with header possibly in gdbm/
664 dnl and possibly needing gbdm_compat library:
665 NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm,,
666 NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm_compat -lgdbm,,
667 NMH_CHECK_NDBM(ndbm.h,gdbm,,
668 NMH_CHECK_NDBM(ndbm.h,gdbm_compat -lgdbm))))))))))
672 dnl We don't really need to check that the user-specified values work,
673 dnl but it is a convenience to the user to bomb out early rather than
674 dnl after configure and half the compile process.
675 NMH_CHECK_NDBM([$nmh_ndbmheader],[$nmh_ndbm])
678 if test "$nmh_ndbm_found" = "no"; then
679 AC_MSG_ERROR([could not find a working ndbm library/header combination])
681 dnl Now export the lib/header to our makefile/config.h:
682 if test x"$nmh_ndbmheader" != x; then
683 AC_DEFINE_UNQUOTED(NDBM_HEADER, <$nmh_ndbmheader>)
685 if test x"$nmh_ndbm" != x; then
686 NDBM_LIBS="-l$nmh_ndbm"
697 if test x"$with_hesiod" != x -a x"$with_hesiod" != x"no"; then
698 if test x"$with_hesiod" != x"yes"; then
699 HESIOD_INCLUDES="-I$with_hesiod/include"
700 HESIOD_LIBS="-L$with_hesiod/lib"
702 AC_CHECK_FUNC(res_send,
703 [AC_CHECK_LIB(hesiod, hes_resolve,
704 [HESIOD_LIBS="$HESIOD_LIBS -lhesiod"],
705 [AC_MSG_ERROR(Hesiod library not found)],
707 [AC_CHECK_LIB(hesiod, hes_resolve,
708 [HESIOD_LIBS="$HESIOD_LIBS -lhesiod -lresolv"],
709 [AC_MSG_ERROR(Hesiod library not found)],
710 $HESIOD_LIBS -lresolv)])
713 AC_SUBST(HESIOD_INCLUDES)dnl
714 AC_SUBST(HESIOD_LIBS)dnl
716 dnl ----------------------------------
717 dnl CHECK FOR KRB4 (Kerberos4 support)
718 dnl ----------------------------------
719 if test x"$with_krb4" != x -a x"$with_krb4" != x"no"; then
720 if test x"$with_krb4" != x"yes"; then
721 KRB4_INCLUDES="-I$with_krb4/include"
722 if test -d "$with_krb4/include/kerberosIV"; then
723 KRB4_INCLUDES="$KRB4_INCLUDES -I$with_krb4/include/kerberosIV"
725 KRB4_LIBS="-L$with_krb4/lib"
726 elif test -d /usr/include/kerberosIV; then
727 KRB4_INCLUDES="-I/usr/include/kerberosIV"
729 dnl First, check if we have -lk5crypto, since that means we have a recent krb5
731 AC_CHECK_LIB(k5crypto, krb5_encrypt,
732 [AC_CHECK_LIB(krb4, krb_rd_req,
733 [KRB4_LIBS="$KRB4_LIBS -lkrb4 -ldes425 -lkrb5 -lk5crypto -lcom_err"],
734 [AC_MSG_ERROR(Kerberos 4 compatibility libraries not found)],
735 $KRB4_LIBS -ldes425 -lkrb5 -lk5crypto -lcom_err)],
737 [AC_CHECK_LIB(krb4, krb_rd_req,
738 [KRB4_LIBS="$KRB4_LIBS -lkrb4 -ldes425 -lkrb5 -lcrypto -lcom_err"],
739 [AC_CHECK_LIB(krb, krb_rd_req,
740 [KRB4_LIBS="$KRB4_LIBS -lkrb -ldes"],
741 [AC_MSG_ERROR(Kerberos 4 libraries not found)],
743 $KRB4_LIBS -ldes425 -lkrb5 -lcrypto -lcom_err)],
747 AC_SUBST(KRB4_INCLUDES)dnl
748 AC_SUBST(KRB4_LIBS)dnl
750 dnl --------------------
751 dnl CHECK FOR CYRUS SASL
752 dnl --------------------
753 if test x"$with_cyrus_sasl" != x -a x"$with_cyrus_sasl" != x"no"; then
754 if test x"$with_cyrus_sasl" != x"yes"; then
755 SASL_INCLUDES="-I$with_cyrus_sasl/include"
756 SASL_LIBS="-L$with_cyrus_sasl/lib"
758 dnl Do OS-specific hardcoding of SASL shared library path into executables,
759 dnl so user isn't forced to set environment variables like Solaris'
763 SASL_LIBS="$SASL_LIBS -R$with_cyrus_sasl/lib"
767 save_LDFLAGS="$LDFLAGS"
768 LDFLAGS="$LDFLAGS $SASL_LIBS"
769 AC_CHECK_LIB(sasl2, sasl_client_new,
770 [SASL_LIBS="$SASL_LIBS -lsasl2"],
771 [AC_MSG_ERROR(Cyrus SASL library not found)])
772 LDFLAGS="$save_LDFLAGS"
774 AC_SUBST(SASL_INCLUDES)dnl
775 AC_SUBST(SASL_LIBS)dnl
777 dnl ---------------------
778 dnl CHECK TERMCAP LIBRARY
779 dnl ---------------------
781 dnl Add the termcap library, so that the following configure
782 dnl tests will find it when it tries to link test programs.
783 nmh_save_LIBS="$LIBS"
784 LIBS="$TERMLIB $LIBS"
786 dnl Checks for external variable ospeed in the termcap library.
787 AC_CACHE_CHECK(if an include file defines ospeed,
788 nmh_cv_decl_ospeed_include_defines,
789 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
795 #endif]], [[ospeed = 0;]])],
796 nmh_cv_decl_ospeed_include_defines=yes,nmh_cv_decl_ospeed_include_defines=no)])
798 if test $nmh_cv_decl_ospeed_include_defines = no; then
799 AC_CACHE_CHECK(if you must define ospeed,
800 nmh_cv_decl_ospeed_must_define,
801 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
802 [[extern short ospeed; ospeed = 0;]])],
803 nmh_cv_decl_ospeed_must_define=yes,nmh_cv_decl_ospeed_must_define=no)])
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)
813 dnl dnl Checks if tgetent accepts NULL and will
814 dnl dnl allocate its own termcap buffer.
815 dnl AC_CACHE_CHECK(if tgetent accepts NULL,
816 dnl nmh_cv_func_tgetent_accepts_null,
817 dnl [AC_TRY_RUN([main(){int i = tgetent((char*)0,"vt100");exit(!i || i == -1);}],
818 dnl nmh_cv_func_tgetent_accepts_null=yes,
819 dnl nmh_cv_func_tgetent_accepts_null=no,
820 dnl nmh_cv_func_tgetent_accepts_null=no)])
821 dnl if test $nmh_cv_func_tgetent_accepts_null = yes; then
822 dnl AC_DEFINE(TGETENT_ACCEPTS_NULL)
825 dnl Now put the libraries back to what it was before we
826 dnl starting checking the termcap library.
827 LIBS="$nmh_save_LIBS"
839 dnl Check for sigset_t. Currently I'm looking in
840 dnl <sys/types.h> and <signal.h>. Others might need
842 AC_CACHE_CHECK(for sigset_t, nmh_cv_type_sigset_t,
843 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
844 #include <signal.h>]], [[sigset_t tempsigset;]])],
845 nmh_cv_type_sigset_t=yes,nmh_cv_type_sigset_t=no)])
846 if test $nmh_cv_type_sigset_t = no; then
847 AC_DEFINE(sigset_t, unsigned int)
853 AC_CHECK_MEMBERS(struct stat.st_blksize)
855 AC_CACHE_CHECK(for tm_gmtoff in struct tm, nmh_cv_struct_tm_gmtoff,
856 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#ifdef TIME_WITH_SYS_TIME
857 # include <sys/time.h>
860 # ifdef TM_IN_SYS_TIME
861 # include <sys/time.h>
865 #endif]], [[struct tm temptm; temptm.tm_gmtoff = 0;]])],
866 nmh_cv_struct_tm_gmtoff=yes,nmh_cv_struct_tm_gmtoff=no)])
867 if test $nmh_cv_struct_tm_gmtoff = yes; then
868 AC_DEFINE(HAVE_TM_GMTOFF)
871 AC_CACHE_CHECK(for ut_type in struct utmp, nmh_cv_struct_utmp_ut_type,
874 [struct utmp temputmp; temputmp.ut_type = 0;],
875 nmh_cv_struct_utmp_ut_type=yes, nmh_cv_struct_utmp_ut_type=no)])
876 if test $nmh_cv_struct_utmp_ut_type = yes; then
877 AC_DEFINE(HAVE_UTMP_UT_TYPE)
883 dnl What style of signal do you have (POSIX, BSD, or SYSV)?
884 AC_MSG_CHECKING(what style of signals to use)
885 if test $ac_cv_func_sigaction = yes -a $ac_cv_func_sigprocmask = yes; then
886 signals_style=POSIX_SIGNALS
887 AC_DEFINE(POSIX_SIGNALS)
888 AC_DEFINE(RELIABLE_SIGNALS)
889 elif test $ac_cv_func_sigblock = yes -a $ac_cv_func_sigsetmask = yes; then
890 signals_style=BSD_SIGNALS
891 AC_DEFINE(BSD_SIGNALS)
892 AC_DEFINE(RELIABLE_SIGNALS)
893 elif test $ac_cv_func_sighold = yes -a $ac_cv_func_sigrelse = yes; then
894 signals_style=SYSV_SIGNALS
895 AC_DEFINE(SYSV_SIGNALS)
897 signals_style=NO_SIGNAL_BLOCKING
898 AC_DEFINE(NO_SIGNAL_BLOCKING)
901 AC_MSG_RESULT($signals_style)
903 dnl Where is <signal.h> located? Needed as input for signames.awk
904 AC_CACHE_CHECK(where signal.h is located, nmh_cv_path_signal_h,
905 [for SIGNAL_H in /usr/include/bsd/sys/signal.h dnl Next
906 /usr/include/asm/signal.h dnl Linux 1.3.0 and above
907 /usr/include/asm/signum.h dnl some versions of Linux/Alpha
908 /usr/include/linux/signal.h dnl Linux up to 1.2.11
909 /usr/include/sys/signal.h dnl Almost everybody else
910 /dev/null; dnl Just in case we fall through
912 test -f $SIGNAL_H && \
913 grep '#[ ]*define[ ][ ]*SIG[0-9A-Z]*[ ]*[0-9][0-9]*' $SIGNAL_H > /dev/null && \
916 nmh_cv_path_signal_h=$SIGNAL_H
918 SIGNAL_H=$nmh_cv_path_signal_h
919 AC_SUBST(SIGNAL_H)dnl
922 dnl OS SPECIFIC DEFINES
963 AC_DEFINE(SCO_5_STDIO)
971 AC_CONFIG_FILES(Makefile config/Makefile h/Makefile sbr/Makefile uip/Makefile \
972 mts/Makefile mts/smtp/Makefile \
973 etc/Makefile docs/Makefile man/Makefile)
974 AC_CONFIG_COMMANDS([stamp],[test -z "$CONFIG_HEADERS" || echo > stamp-h])
977 dnl Umm, what's the point of these assignments?? -- <dan-nmh@dilvish.speed.net>
978 eval "nmhbin=${bindir}"; eval "nmhbin2=${nmhbin}"
979 eval "nmhsysconf=${sysconfdir}"; eval "nmhsysconf2=${nmhsysconf}"
980 eval "nmhlib=${libdir}"; eval "nmhlib2=${nmhlib}"
981 eval "nmhman=${mandir}"
984 if test x"$enable_pop" = x"yes"; then
987 if test x"$enable_apop" = x"yes"; then
988 pop_kinds="${pop_kinds}APOP "
991 if test x"$with_krb4" != x -a x"$with_krb4" != x"no"; then
992 pop_kinds="${pop_kinds}KPOP "
995 pop_kinds="${pop_kinds}POP3)"
1001 nmh version : AC_PACKAGE_VERSION
1002 target os : ${target}
1004 compiler flags : ${CFLAGS}
1005 linker flags : ${LDFLAGS}
1006 definitions : ${OURDEFS}
1007 source code location : ${srcdir}
1008 binary install path : ${nmhbin2}
1009 libary install path : ${nmhlib2}
1010 config files install path : ${nmhsysconf2}
1011 man page install path : ${nmhman}
1012 backup prefix : ${backup_prefix}
1013 transport system : ${MTS}
1014 file locking type : ${LOCKTYPE}
1015 default smtp servers : ${smtpservers}
1016 default editor : ${editorpath}
1017 default pager : ${pagerpath}
1018 email address masquerading : ${masquerade}
1019 pop is enabled : ${pop_kinds}
1020 SASL support : ${sasl_support}"