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 ------------------
452 AC_CHECK_HEADERS(string.h memory.h stdlib.h unistd.h errno.h fcntl.h \
453 limits.h crypt.h termcap.h termio.h termios.h locale.h \
454 langinfo.h wchar.h wctype.h iconv.h netdb.h \
455 sys/param.h sys/time.h sys/utsname.h sys/stream.h \
456 arpa/inet.h arpa/ftp.h)
458 AC_CACHE_CHECK(POSIX termios, nmh_cv_sys_posix_termios,
459 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
461 #include <termios.h>]],
462 [[/* SunOS 4.0.3 has termios.h but not the library calls. */
463 tcgetattr(0, 0);]])],
464 nmh_cv_sys_posix_termios=yes, nmh_cv_sys_posix_termios=no)])
466 if test $nmh_cv_sys_posix_termios = yes; then
467 AC_CACHE_CHECK(TIOCGWINSZ in termios.h,
468 nmh_cv_header_termios_h_tiocgwinsz,
469 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
470 #include <termios.h>]],
471 [[int x = TIOCGWINSZ;]])],
472 nmh_cv_header_termios_h_tiocgwinsz=yes,nmh_cv_header_termios_h_tiocgwinsz=no)])
474 nmh_cv_header_termios_h_tiocgwinsz=no
477 if test $nmh_cv_header_termios_h_tiocgwinsz = no; then
478 AC_CACHE_CHECK(TIOCGWINSZ in sys/ioctl.h,
479 nmh_cv_header_sys_ioctl_h_tiocgwinsz,
480 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
481 #include <sys/ioctl.h>]],
482 [[int x = TIOCGWINSZ;]])],
483 nmh_cv_header_sys_ioctl_h_tiocgwinsz=yes,nmh_cv_header_sys_ioctl_h_tiocgwinsz=no)])
484 if test $nmh_cv_header_sys_ioctl_h_tiocgwinsz = yes; then
485 AC_DEFINE(GWINSZ_IN_SYS_IOCTL)dnl
490 dnl Checks for _IO_write_ptr. A Linuxism used by nmh on linux. We
491 dnl really use a whole set of them, but this check should be
494 AC_CHECK_HEADER(libio.h, [
495 AC_EGREP_HEADER(_IO_write_ptr, libio.h, [
496 AC_DEFINE(LINUX_STDIO) ]) ])
498 AC_CHECK_HEADER([sys/ptem.h], AC_DEFINE(WINSIZE_IN_PTEM),,
499 [[#if HAVE_SYS_STREAM_H
500 # include <sys/stream.h>
508 AC_CHECK_LIB(mkstemp,mkstemp)
509 AC_CHECK_FUNCS(waitpid wait3 sigaction sigprocmask sigblock sigsetmask \
510 sighold sigrelse writev lstat uname tzset killpg mkstemp \
511 sethostent getutent nl_langinfo mbtowc wcwidth)
513 dnl solaris screws this up
514 AC_CHECK_FUNC(gethostbyname, [AC_DEFINE(HAVE_GETHOSTBYNAME)],
515 AC_CHECK_LIB(nsl, gethostbyname, [AC_DEFINE(HAVE_GETHOSTBYNAME)] ) )
517 dnl sigsetjmp may be a macro
518 AC_MSG_CHECKING(for sigsetjmp)
519 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <setjmp.h>]],
520 [[sigsetjmp((void *)0, 0);]])],[AC_DEFINE(HAVE_SIGSETJMP) AC_MSG_RESULT(yes)],
523 AC_REPLACE_FUNCS(snprintf strdup)
525 dnl Look for the initgroups() declaration. On AIX 4.[13], Solaris 4.1.3, and
526 dnl ULTRIX 4.2A the function is defined in libc but there's no declaration in
527 dnl any system header.
529 dnl On Solaris 2.[456], the declaration is in <grp.h>. On HP-UX 9-11 and
530 dnl (reportedly) FreeBSD 3.[23], it's in <unistd.h>. Any other locations we
532 AC_EGREP_HEADER(initgroups, grp.h, AC_DEFINE(INITGROUPS_HEADER, <grp.h>),
533 AC_EGREP_HEADER(initgroups, unistd.h,
534 AC_DEFINE(INITGROUPS_HEADER, <unistd.h>)))
536 dnl On AIX 4.1, snprintf() is defined in libc.a but there's no prototype in
537 dnl <stdio.h> or elsewhere. Apparently it's not officially supported (though it
538 dnl seems to work perfectly and IBM apparently uses it in internal code).
539 dnl Anyhow, if we omit our own snprintf() and vsnprintf() prototypes when we
540 dnl HAVE_SNPRINTF, we get a billion warnings at compile time. Use the C
541 dnl preprocessor to preprocess stdio.h and make sure that there's actually a
543 AC_EGREP_HEADER(snprintf, stdio.h, AC_DEFINE(HAVE_SNPRINTF_PROTOTYPE))
545 dnl Check for multibyte character set support
546 if test "x$ac_cv_header_wchar_h" = "xyes" -a "x$ac_cv_header_wctype_h" = "xyes" \
547 -a "x$ac_cv_func_wcwidth" = "xyes" -a "x$ac_cv_func_mbtowc" = "xyes"; then
548 AC_DEFINE(MULTIBYTE_SUPPORT, 1,
549 [Define to enable support for multibyte character sets])
552 dnl -------------------
553 dnl CHECK FOR LIBRARIES
554 dnl -------------------
555 dnl Check location of modf
556 AC_CHECK_FUNC(modf, , AC_CHECK_LIB(m, modf))
558 dnl Checks for network libraries (nsl, socket)
561 termcap_curses_order="termcap curses ncurses"
562 for lib in $termcap_curses_order; do
563 AC_CHECK_LIB(${lib}, tgetent, [TERMLIB="-l$lib"; break])
571 dnl Find iconv. It may be in libiconv and may be iconv() or libiconv()
572 if test "x$ac_cv_header_iconv_h" = "xyes"; then
573 AC_CHECK_FUNC(iconv, ac_found_iconv=yes, ac_found_iconv=no)
574 if test "x$ac_found_iconv" = "xno"; then
575 AC_CHECK_LIB(iconv, iconv, ac_found_iconv=yes)
576 if test "x$ac_found_iconv" = "xno"; then
577 AC_CHECK_LIB(iconv, libiconv, ac_found_iconv=yes)
579 if test "x$ac_found_iconv" != "xno"; then
583 dnl Handle case where there is a native iconv but iconv.h is from libiconv
584 AC_CHECK_DECL(_libiconv_version,
585 [ AC_CHECK_LIB(iconv, libiconv, LIBS="-liconv $LIBS") ],,
586 [ #include <iconv.h> ])
589 if test "x$ac_found_iconv" = xyes; then
590 AC_DEFINE(HAVE_ICONV, 1, [Define if you have the iconv() function.])
593 dnl Check if iconv uses const in prototype declaration
594 if test "x$ac_found_iconv" = "xyes"; then
595 AC_CACHE_CHECK(for iconv declaration, ac_cv_iconv_const,
596 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdlib.h>
597 #include <iconv.h>]],
601 #if defined(__STDC__) || defined(__cplusplus)
602 size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
606 [ac_cv_iconv_const=],
607 [ac_cv_iconv_const=const])])
608 AC_DEFINE_UNQUOTED([ICONV_CONST], $ac_cv_iconv_const,
609 [Define as const if the declaration of iconv() needs const.])
616 AC_ARG_WITH([ndbm],AS_HELP_STRING([--with-ndbm=ARG],[use -lARG to link with ndbm]),
617 [nmh_ndbm=$withval],[nmh_ndbm=autodetect])
618 AC_ARG_WITH([ndbmheader],AS_HELP_STRING([--with-ndbmheader=ARG],[#include <ARG> to use ndbm]),
619 [nmh_ndbmheader=$withval],[nmh_ndbmheader=autodetect])
621 if test "$nmh_ndbm" = "autodetect"; then
622 if test "$nmh_ndbmheader" != "autodetect"; then
623 AC_MSG_ERROR([must specify both --with-ndbm and --with-ndbmheader or neither])
626 dnl There are at least four implementations of ndbm, and
627 dnl several of those can be in different places at the whim
628 dnl of the system integrator. A good summary of this mess
629 dnl can be found at http://www.unixpapa.com/incnote/dbm.html
631 dnl Classic ndbm with no library required (eg NetBSD): try this
632 dnl first so we don't accidentally link in a pointless but harmless
633 dnl library in one of the later ndbm.h+libfoo tests:
634 NMH_CHECK_NDBM(ndbm.h,,,
635 dnl Berkeley DBv2 emulating ndbm: header in db.h:
636 NMH_CHECK_NDBM(db.h,db,,
637 dnl Berkeley DBv1 emulating ndbm:
638 NMH_CHECK_NDBM(ndbm.h,db,,
639 NMH_CHECK_NDBM(ndbm.h,db1,,
641 NMH_CHECK_NDBM(ndbm.h,ndbm,,
642 dnl glibc2.1 systems put db1 in a subdir:
643 NMH_CHECK_NDBM(db1/ndbm.h,db1,,
644 dnl GNU gdbm emulating ndbm, with header possibly in gdbm/
645 dnl and possibly needing gbdm_compat library:
646 NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm,,
647 NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm_compat -lgdbm,,
648 NMH_CHECK_NDBM(ndbm.h,gdbm,,
649 NMH_CHECK_NDBM(ndbm.h,gdbm_compat -lgdbm))))))))))
653 dnl We don't really need to check that the user-specified values work,
654 dnl but it is a convenience to the user to bomb out early rather than
655 dnl after configure and half the compile process.
656 NMH_CHECK_NDBM([$nmh_ndbmheader],[$nmh_ndbm])
659 if test "$nmh_ndbm_found" = "no"; then
660 AC_MSG_ERROR([could not find a working ndbm library/header combination])
662 dnl Now export the lib/header to our makefile/config.h:
663 if test x"$nmh_ndbmheader" != x; then
664 AC_DEFINE_UNQUOTED(NDBM_HEADER, <$nmh_ndbmheader>)
666 if test x"$nmh_ndbm" != x; then
667 NDBM_LIBS="-l$nmh_ndbm"
678 if test x"$with_hesiod" != x -a x"$with_hesiod" != x"no"; then
679 if test x"$with_hesiod" != x"yes"; then
680 HESIOD_INCLUDES="-I$with_hesiod/include"
681 HESIOD_LIBS="-L$with_hesiod/lib"
683 AC_CHECK_FUNC(res_send,
684 [AC_CHECK_LIB(hesiod, hes_resolve,
685 [HESIOD_LIBS="$HESIOD_LIBS -lhesiod"],
686 [AC_MSG_ERROR(Hesiod library not found)],
688 [AC_CHECK_LIB(hesiod, hes_resolve,
689 [HESIOD_LIBS="$HESIOD_LIBS -lhesiod -lresolv"],
690 [AC_MSG_ERROR(Hesiod library not found)],
691 $HESIOD_LIBS -lresolv)])
694 AC_SUBST(HESIOD_INCLUDES)dnl
695 AC_SUBST(HESIOD_LIBS)dnl
697 dnl ----------------------------------
698 dnl CHECK FOR KRB4 (Kerberos4 support)
699 dnl ----------------------------------
700 if test x"$with_krb4" != x -a x"$with_krb4" != x"no"; then
701 if test x"$with_krb4" != x"yes"; then
702 KRB4_INCLUDES="-I$with_krb4/include"
703 if test -d "$with_krb4/include/kerberosIV"; then
704 KRB4_INCLUDES="$KRB4_INCLUDES -I$with_krb4/include/kerberosIV"
706 KRB4_LIBS="-L$with_krb4/lib"
707 elif test -d /usr/include/kerberosIV; then
708 KRB4_INCLUDES="-I/usr/include/kerberosIV"
710 dnl First, check if we have -lk5crypto, since that means we have a recent krb5
712 AC_CHECK_LIB(k5crypto, krb5_encrypt,
713 [AC_CHECK_LIB(krb4, krb_rd_req,
714 [KRB4_LIBS="$KRB4_LIBS -lkrb4 -ldes425 -lkrb5 -lk5crypto -lcom_err"],
715 [AC_MSG_ERROR(Kerberos 4 compatibility libraries not found)],
716 $KRB4_LIBS -ldes425 -lkrb5 -lk5crypto -lcom_err)],
718 [AC_CHECK_LIB(krb4, krb_rd_req,
719 [KRB4_LIBS="$KRB4_LIBS -lkrb4 -ldes425 -lkrb5 -lcrypto -lcom_err"],
720 [AC_CHECK_LIB(krb, krb_rd_req,
721 [KRB4_LIBS="$KRB4_LIBS -lkrb -ldes"],
722 [AC_MSG_ERROR(Kerberos 4 libraries not found)],
724 $KRB4_LIBS -ldes425 -lkrb5 -lcrypto -lcom_err)],
728 AC_SUBST(KRB4_INCLUDES)dnl
729 AC_SUBST(KRB4_LIBS)dnl
731 dnl --------------------
732 dnl CHECK FOR CYRUS SASL
733 dnl --------------------
734 if test x"$with_cyrus_sasl" != x -a x"$with_cyrus_sasl" != x"no"; then
735 if test x"$with_cyrus_sasl" != x"yes"; then
736 SASL_INCLUDES="-I$with_cyrus_sasl/include"
737 SASL_LIBS="-L$with_cyrus_sasl/lib"
739 dnl Do OS-specific hardcoding of SASL shared library path into executables,
740 dnl so user isn't forced to set environment variables like Solaris'
744 SASL_LIBS="$SASL_LIBS -R$with_cyrus_sasl/lib"
748 save_LDFLAGS="$LDFLAGS"
749 LDFLAGS="$LDFLAGS $SASL_LIBS"
750 AC_CHECK_LIB(sasl2, sasl_client_new,
751 [SASL_LIBS="$SASL_LIBS -lsasl2"],
752 [AC_MSG_ERROR(Cyrus SASL library not found)])
753 LDFLAGS="$save_LDFLAGS"
755 AC_SUBST(SASL_INCLUDES)dnl
756 AC_SUBST(SASL_LIBS)dnl
758 dnl ---------------------
759 dnl CHECK TERMCAP LIBRARY
760 dnl ---------------------
762 dnl Add the termcap library, so that the following configure
763 dnl tests will find it when it tries to link test programs.
764 nmh_save_LIBS="$LIBS"
765 LIBS="$TERMLIB $LIBS"
767 dnl Checks for external variable ospeed in the termcap library.
768 AC_CACHE_CHECK(if an include file defines ospeed,
769 nmh_cv_decl_ospeed_include_defines,
770 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
776 #endif]], [[ospeed = 0;]])],
777 nmh_cv_decl_ospeed_include_defines=yes,nmh_cv_decl_ospeed_include_defines=no)])
779 if test $nmh_cv_decl_ospeed_include_defines = no; then
780 AC_CACHE_CHECK(if you must define ospeed,
781 nmh_cv_decl_ospeed_must_define,
782 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
783 [[extern short ospeed; ospeed = 0;]])],
784 nmh_cv_decl_ospeed_must_define=yes,nmh_cv_decl_ospeed_must_define=no)])
787 if test $nmh_cv_decl_ospeed_include_defines = yes; then
788 AC_DEFINE(HAVE_OSPEED)dnl
789 elif test $nmh_cv_decl_ospeed_must_define = yes; then
790 AC_DEFINE(HAVE_OSPEED)
791 AC_DEFINE(MUST_DEFINE_OSPEED)
794 dnl dnl Checks if tgetent accepts NULL and will
795 dnl dnl allocate its own termcap buffer.
796 dnl AC_CACHE_CHECK(if tgetent accepts NULL,
797 dnl nmh_cv_func_tgetent_accepts_null,
798 dnl [AC_TRY_RUN([main(){int i = tgetent((char*)0,"vt100");exit(!i || i == -1);}],
799 dnl nmh_cv_func_tgetent_accepts_null=yes,
800 dnl nmh_cv_func_tgetent_accepts_null=no,
801 dnl nmh_cv_func_tgetent_accepts_null=no)])
802 dnl if test $nmh_cv_func_tgetent_accepts_null = yes; then
803 dnl AC_DEFINE(TGETENT_ACCEPTS_NULL)
806 dnl Now put the libraries back to what it was before we
807 dnl starting checking the termcap library.
808 LIBS="$nmh_save_LIBS"
820 dnl Check for sigset_t. Currently I'm looking in
821 dnl <sys/types.h> and <signal.h>. Others might need
823 AC_CACHE_CHECK(for sigset_t, nmh_cv_type_sigset_t,
824 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
825 #include <signal.h>]], [[sigset_t tempsigset;]])],
826 nmh_cv_type_sigset_t=yes,nmh_cv_type_sigset_t=no)])
827 if test $nmh_cv_type_sigset_t = no; then
828 AC_DEFINE(sigset_t, unsigned int)
834 AC_CHECK_MEMBERS(struct stat.st_blksize)
836 AC_CACHE_CHECK(for tm_gmtoff in struct tm, nmh_cv_struct_tm_gmtoff,
837 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#ifdef TIME_WITH_SYS_TIME
838 # include <sys/time.h>
841 # ifdef TM_IN_SYS_TIME
842 # include <sys/time.h>
846 #endif]], [[struct tm temptm; temptm.tm_gmtoff = 0;]])],
847 nmh_cv_struct_tm_gmtoff=yes,nmh_cv_struct_tm_gmtoff=no)])
848 if test $nmh_cv_struct_tm_gmtoff = yes; then
849 AC_DEFINE(HAVE_TM_GMTOFF)
852 AC_CACHE_CHECK(for ut_type in struct utmp, nmh_cv_struct_utmp_ut_type,
855 [struct utmp temputmp; temputmp.ut_type = 0;],
856 nmh_cv_struct_utmp_ut_type=yes, nmh_cv_struct_utmp_ut_type=no)])
857 if test $nmh_cv_struct_utmp_ut_type = yes; then
858 AC_DEFINE(HAVE_UTMP_UT_TYPE)
864 dnl What style of signal do you have (POSIX, BSD, or SYSV)?
865 AC_MSG_CHECKING(what style of signals to use)
866 if test $ac_cv_func_sigaction = yes -a $ac_cv_func_sigprocmask = yes; then
867 signals_style=POSIX_SIGNALS
868 AC_DEFINE(POSIX_SIGNALS)
869 AC_DEFINE(RELIABLE_SIGNALS)
870 elif test $ac_cv_func_sigblock = yes -a $ac_cv_func_sigsetmask = yes; then
871 signals_style=BSD_SIGNALS
872 AC_DEFINE(BSD_SIGNALS)
873 AC_DEFINE(RELIABLE_SIGNALS)
874 elif test $ac_cv_func_sighold = yes -a $ac_cv_func_sigrelse = yes; then
875 signals_style=SYSV_SIGNALS
876 AC_DEFINE(SYSV_SIGNALS)
878 signals_style=NO_SIGNAL_BLOCKING
879 AC_DEFINE(NO_SIGNAL_BLOCKING)
882 AC_MSG_RESULT($signals_style)
884 dnl Where is <signal.h> located? Needed as input for signames.awk
885 AC_CACHE_CHECK(where signal.h is located, nmh_cv_path_signal_h,
886 [for SIGNAL_H in /usr/include/bsd/sys/signal.h dnl Next
887 /usr/include/asm/signal.h dnl Linux 1.3.0 and above
888 /usr/include/asm/signum.h dnl some versions of Linux/Alpha
889 /usr/include/linux/signal.h dnl Linux up to 1.2.11
890 /usr/include/sys/signal.h dnl Almost everybody else
891 /dev/null; dnl Just in case we fall through
893 test -f $SIGNAL_H && \
894 grep '#[ ]*define[ ][ ]*SIG[0-9A-Z]*[ ]*[0-9][0-9]*' $SIGNAL_H > /dev/null && \
897 nmh_cv_path_signal_h=$SIGNAL_H
899 SIGNAL_H=$nmh_cv_path_signal_h
900 AC_SUBST(SIGNAL_H)dnl
903 dnl OS SPECIFIC DEFINES
944 AC_DEFINE(SCO_5_STDIO)
952 AC_CONFIG_FILES(Makefile config/Makefile h/Makefile sbr/Makefile uip/Makefile \
953 mts/Makefile mts/smtp/Makefile \
954 etc/Makefile docs/Makefile man/Makefile)
955 AC_CONFIG_COMMANDS([stamp],[test -z "$CONFIG_HEADERS" || echo > stamp-h])
958 dnl Umm, what's the point of these assignments?? -- <dan-nmh@dilvish.speed.net>
959 eval "nmhbin=${bindir}"; eval "nmhbin2=${nmhbin}"
960 eval "nmhsysconf=${sysconfdir}"; eval "nmhsysconf2=${nmhsysconf}"
961 eval "nmhlib=${libdir}"; eval "nmhlib2=${nmhlib}"
962 eval "nmhman=${mandir}"
965 if test x"$enable_pop" = x"yes"; then
968 if test x"$enable_apop" = x"yes"; then
969 pop_kinds="${pop_kinds}APOP "
972 if test x"$with_krb4" != x -a x"$with_krb4" != x"no"; then
973 pop_kinds="${pop_kinds}KPOP "
976 pop_kinds="${pop_kinds}POP3)"
982 nmh version : AC_PACKAGE_VERSION
983 target os : ${target}
985 compiler flags : ${CFLAGS}
986 linker flags : ${LDFLAGS}
987 source code location : ${srcdir}
988 binary install path : ${nmhbin2}
989 libary install path : ${nmhlib2}
990 config files install path : ${nmhsysconf2}
991 man page install path : ${nmhman}
992 backup prefix : ${backup_prefix}
993 transport system : ${MTS}
994 file locking type : ${LOCKTYPE}
995 default smtp servers : ${smtpservers}
996 default editor : ${editorpath}
997 default pager : ${pagerpath}
998 email address masquerading : ${masquerade}
999 pop is enabled : ${pop_kinds}
1000 SASL support : ${sasl_support}"