2 dnl configure.ac -- autoconf template for mmh
8 AC_INIT(mmh, m4_normalize(m4_include([VERSION])))
9 AC_CONFIG_SRCDIR(h/nmh.h)
10 AC_CONFIG_HEADER(config.h)
14 dnl ---------------------
15 dnl define a macro or two
16 dnl ---------------------
18 AC_DEFUN(NMH_PROG_GNU_LIBTOOL, [
19 if test -n "$LIBTOOL" ; then
20 tmptest=`$LIBTOOL --version 2>&1 | grep GNU`
21 if test x"$tmptest" != x ; then
23 AC_SUBST(GNU_LIBTOOL)dnl
28 echo "configuring for AC_PACKAGE_NAME-AC_PACKAGE_VERSION"
29 AC_SUBST(VERSION,AC_PACKAGE_VERSION)dnl
31 dnl What date of mmh are we building?
32 DATE=`cat ${srcdir}/DATE`
33 echo "configuring for mmh dated $DATE"
36 dnl --------------------------
37 dnl CHECK COMMAND LINE OPTIONS
38 dnl --------------------------
40 dnl Do you want to debug mmh?
42 AS_HELP_STRING([--enable-debug],[enable nmh code debugging]))
43 dnl The old redundant --enable-nmh-debug is deprecated and undocumented.
44 if test x"$enable_nmh_debug" = x"yes"; then
48 dnl Allow users to send email from addresses other than their default?
49 AC_ARG_ENABLE(masquerade,
50 AS_HELP_STRING([--enable-masquerade='draft_from mmailid username_extension'],
51 [enable up to 3 types of address masquerading]),
52 [if test x"$enable_masquerade" = x"yes"; then
53 masquerade="draft_from mmailid username_extension"
55 masquerade="$enable_masquerade"
56 fi], [masquerade="draft_from mmailid username_extension"])
57 AC_SUBST(masquerade)dnl
59 dnl Do you want mhe support?
61 AS_HELP_STRING([--disable-mhe],[disable mhe support]))
63 dnl mhe support is on by default, so define it unless --disable-mhe or the
64 dnl deprecated, undocumented --disable-nmh-mhe are specified.
65 if test x"$enable_mhe" != x"no" -a x"$enable_nmh_mhe" != x"no"; then
67 [Define to compile in support for the Emacs front-end mh-e.])dnl
70 dnl Do you want to disable use of locale functions
72 [Undefine if you don't want locale features. By default this is defined.])
73 AC_ARG_ENABLE([locale],
74 AC_HELP_STRING([--disable-locale], [turn off locale features]),
75 [if test x$enableval = xyes; then
81 dnl What method of locking to use?
83 AS_HELP_STRING([--with-locking=@<:@dot|fcntl|flock|lockf@:>@],
84 [specify the file locking method]))
86 if test x"$with_locking" = x"dot"; then
88 AC_DEFINE(DOT_LOCKING, 1, [Define to use dot based file locking.])dnl
89 elif test x"$with_locking" = x"flock"; then
91 AC_DEFINE(FLOCK_LOCKING, 1, [Define to use flock() based locking.])dnl
92 elif test x"$with_locking" = x"lockf"; then
94 AC_DEFINE(LOCKF_LOCKING, 1, [Define to use lockf() based locking.])dnl
95 elif test x"$with_locking" = x"fcntl"; then
97 AC_DEFINE(FCNTL_LOCKING, 1, [Define to use fnctl() based locking.])dnl
100 AC_DEFINE(DOT_LOCKING)dnl
104 dnl ----------------------------------------------------
105 dnl Default location is /usr/local/mmh/{bin,etc,lib,share/man}
106 dnl ----------------------------------------------------
107 AC_PREFIX_DEFAULT(/usr/local/mmh)
110 dnl ------------------
111 dnl CHECK THE COMPILER
112 dnl ------------------
113 dnl We want these before the checks,
114 dnl so the checks can modify their values.
115 test -z "$CFLAGS" && CFLAGS= auto_cflags=1
116 if test x"$enable_debug" = x"yes"; then
117 test -z "$LDFLAGS" && LDFLAGS=-g
122 AC_CACHE_CHECK(whether compiler supports -Wno-pointer-sign, nmh_cv_has_noptrsign,
123 [nmh_saved_cflags="$CFLAGS"
124 CFLAGS="$CFLAGS -Wno-pointer-sign"
125 AC_TRY_COMPILE([],[],nmh_cv_has_noptrsign=yes,nmh_cv_has_noptrsign=no)
126 CFLAGS="$nmh_saved_cflags"])
128 dnl if the user hasn't specified CFLAGS, then
129 dnl if compiler is gcc, then
130 dnl use -O2 and some warning flags
132 dnl We use -Wall; if the compiler supports it we also use -Wno-pointer-sign,
133 dnl because gcc 4 now produces a lot of new warnings which are probably mostly
134 dnl spurious and which in any case we don't want to deal with now.
135 if test "$nmh_cv_has_noptrsign" = "yes"; then
136 nmh_gcc_warnflags="-Wall -Wno-pointer-sign"
138 nmh_gcc_warnflags="-Wall"
141 if test -n "$auto_cflags"; then
142 if test x"$enable_debug" = x"yes"; then
143 if test -n "$GCC"; then
144 test -z "$CFLAGS" && CFLAGS="$nmh_gcc_warnflags -g" || CFLAGS="$CFLAGS $nmh_gcc_warnflags -g"
146 test -z "$CFLAGS" && CFLAGS=-g || CFLAGS="$CFLAGS -g"
149 if test -z "$LDFLAGS"; then
159 if test -n "$GCC"; then
160 test -z "$CFLAGS" && CFLAGS="$nmh_gcc_warnflags -O2" || CFLAGS="$CFLAGS $nmh_gcc_warnflags -O2"
162 test -z "$CFLAGS" && CFLAGS=-O || CFLAGS="$CFLAGS -O"
167 AC_C_CONST dnl Does compiler support `const'.
169 dnl ------------------
170 dnl CHECK FOR PROGRAMS
171 dnl ------------------
172 AC_PROG_MAKE_SET dnl Does make define $MAKE
173 AC_PROG_INSTALL dnl Check for BSD compatible `install'
174 AC_PROG_RANLIB dnl Check for `ranlib'
175 AC_PROG_AWK dnl Check for mawk,gawk,nawk, then awk
176 AC_PROG_LEX dnl Check for lex/flex
179 pathtmp=/usr/bin:/bin:/usr/local/bin:/usr/xpg4/bin:/usr/ucb
180 AC_PATH_PROG(cutpath, cut, no, [$pathtmp])
182 dnl ----------------------------------------------
183 dnl check for lclint, and lint if it doesn't exist
184 dnl ----------------------------------------------
185 AC_CHECK_PROG(linttmp1, lclint, lclint, no)dnl
186 if test x$ac_cv_prog_linttmp1 != xno ; then
187 LINT=$ac_cv_prog_linttmp1
188 LINTFLAGS="-weak +posixlib -macrovarprefixexclude"
190 AC_CHECK_PROG(linttmp2, lint, lint, no)dnl
191 if test x$ac_cv_prog_linttmp2 != xno ; then
192 LINT=$ac_cv_prog_linttmp2
195 LINT="echo 'No lint program found'"
200 AC_SUBST(LINTFLAGS)dnl
202 dnl try to figure out which one we've got
203 AC_CHECK_PROG(LIBTOOL, libtool, libtool, , [$pathtmp])
206 dnl Check for lorder and tsort commands
207 AC_CHECK_PROG(LORDER, lorder, lorder, no)dnl
208 AC_CHECK_PROG(TSORT, tsort, tsort, no)dnl
210 dnl If either doesn't exist, replace them with echo and cat
211 if test x$ac_cv_prog_LORDER != xlorder -o x$ac_cv_prog_TSORT != xtsort; then
216 dnl Mac OS X has lorder, but sh is too broken for it to work
217 dnl elif test -z "`lorder config/config.c 2>&1 | grep config/config.c`" ; then
220 dnl AC_SUBST(LORDER)dnl
221 dnl AC_SUBST(TSORT)dnl
224 dnl Check whether tsort can deal with loops
225 AC_CACHE_CHECK(whether tsort can deal with loops, nmh_cv_tsort_loop,
226 [if test -z "`echo a b b a | tsort 2>/dev/null | grep a`" ; then
229 nmh_cv_tsort_loop=yes
231 if test x$nmh_cv_tsort_loop = xno ; then
239 pathtmp=/usr/bin:/bin:/usr/local/bin:/usr/xpg4/bin:/usr/ucb
240 AC_PATH_PROG(lspath, ls, no, [$pathtmp])
242 dnl See how we get ls to display the owner and the group
243 if test "$lspath" != "no"; then
244 AC_CACHE_CHECK(how to get ls to show us the group ownership of a file,
246 [if test x"`$lspath -dl / | $AWK '{print $9}'`" = x"/"; then
247 dnl There were 9 parameters, so unless this is a really bizarre, nonstandard
248 dnl ls, it would seem -l gave us both the user and group. On this type of
249 dnl ls, -g makes _only_ the group be displayed (and not the user).
250 nmh_cv_ls_grpopt="-l"
252 dnl Looks like -l only gave us the user, so we need -g to get the group too.
253 nmh_cv_ls_grpopt="-lg"
257 dnl Look for `sendmail'
258 pathtmp=/usr/lib:/usr/sbin:/usr/etc:/usr/ucblib:/usr/bin:/bin
259 AC_PATH_PROG(sendmailpath, sendmail, /usr/sbin/sendmail, [$pathtmp])
262 pathtmp=/usr/bin:/bin:/usr/ucb:/usr/local/bin
263 AC_PATH_PROG(vipath, vi, /bin/vi, [$pathtmp])
265 dnl ----------------------------------------------------------
266 dnl FIND MAIL SPOOL AND SEE IF WE NEED TO MAKE inc SETGID MAIL
267 dnl ----------------------------------------------------------
268 AC_CACHE_CHECK(where mail spool is located, nmh_cv_mailspool,
269 [for mailspool in /var/mail dnl
272 /dev/null; dnl Just in case we fall through
274 test -d $mailspool && break
276 nmh_cv_mailspool=$mailspool
278 mailspool=$nmh_cv_mailspool
279 AC_SUBST(mailspool)dnl
281 dnl See whether the mail spool directory is world-writable.
282 if test "$lspath" != "no" -a "$cutpath" != "no"; then
283 AC_CACHE_CHECK(whether the mail spool is world-writable,
284 nmh_cv_mailspool_world_writable,
285 [if test "`$lspath -dlL $mailspool | $cutpath -c9`" = "-"; then
286 nmh_cv_mailspool_world_writable=no
288 nmh_cv_mailspool_world_writable=yes
292 dnl Also, check for liblockfile (as found on Debian systems)
293 AC_CHECK_HEADER(lockfile.h, AC_CHECK_LIB(lockfile, lockfile_create) )
295 dnl and whether its companion program dotlockfile is setgid
296 AC_PATH_PROG(dotlockfilepath, dotlockfile, no)
297 if test "$ac_cv_lib_lockfile_lockfile_create" != "no" ; then
298 if test "$ac_cv_path_dotlockfilepath" != "no" ; then
299 AC_CACHE_CHECK(whether dotlockfile is setgid, nmh_cv_dotlockfile_setgid,
300 [ if test -g "$ac_cv_path_dotlockfilepath" ; then
301 nmh_cv_dotlockfile_setgid=yes
303 nmh_cv_dotlockfile_setgid=no
308 dnl If mailspool is not world-writable and dotlockfile is not setgid,
309 dnl we need to #define MAILGROUP to 1 and make inc setgid.
310 if test x"$LOCKTYPE" = x"dot" -a x"$nmh_cv_mailspool_world_writable" = x"no" -a x"$nmh_cv_dotlockfile_setgid" != x"yes" ; then
311 dnl do we really need both of these?
312 AC_DEFINE(MAILGROUP,1,
313 [Define to 1 if you need to make `inc' set-group-id because your mail spool is not world writable. There are no guarantees as to the safety of doing this, but this #define will add some extra security checks.])dnl
316 AC_SUBST(SETGID_MAIL)dnl
318 dnl Use ls to see which group owns the mail spool directory.
319 AC_CACHE_CHECK(what group owns the mail spool, nmh_cv_ls_mail_grp,
320 [nmh_cv_ls_mail_grp=`$lspath -dL $nmh_cv_ls_grpopt $mailspool|$AWK '{print $4}'`
322 MAIL_SPOOL_GRP=$nmh_cv_ls_mail_grp
323 AC_SUBST(MAIL_SPOOL_GRP)dnl
325 dnl ------------------
326 dnl CHECK HEADER FILES
327 dnl ------------------
329 dnl On glibc we need to define at least the '_XOPEN_SOURCE' level of features,
330 dnl or wchar.h doesn't declare a prototype for wcwidth(). But if we only define
331 dnl that level then db.h won't compile. So we define _GNU_SOURCE which turns
332 dnl on everything. Perhaps other OSes need some feature switch set to get wcwidth()
333 dnl declared; if so they should have an entry added to this case statement.
334 dnl NB that we must define this on the compiler command line, not in config.h,
335 dnl because it must be set before any system header is included and there's no
336 dnl portable way to make sure that files generated by lex include config.h
337 dnl before system header files.
341 # Like DEFS, but doesn't get stomped on by configure when using config.h:
342 OURDEFS="$OURDEFS -D_GNU_SOURCE"
353 AC_CHECK_HEADERS(string.h memory.h stdlib.h unistd.h errno.h fcntl.h \
354 limits.h crypt.h termcap.h termio.h termios.h locale.h \
355 langinfo.h wchar.h wctype.h iconv.h netdb.h \
356 sys/param.h sys/time.h sys/utsname.h sys/stream.h \
357 arpa/inet.h arpa/ftp.h)
360 dnl Checks for _IO_write_ptr. A Linuxism used by nmh on linux. We
361 dnl really use a whole set of them, but this check should be
364 AC_CHECK_HEADER(libio.h, [
365 AC_EGREP_HEADER(_IO_write_ptr, libio.h, [
366 AC_DEFINE(LINUX_STDIO,1,[Use the Linux _IO_*_ptr defines from <libio.h>.]) ]) ])
368 AC_CHECK_HEADER([sys/ptem.h], AC_DEFINE(WINSIZE_IN_PTEM,1,
369 [Define to 1 if `struct winsize' requires <sys/ptem.h>.]),,
370 [[#if HAVE_SYS_STREAM_H
371 # include <sys/stream.h>
379 AC_CHECK_LIB(mkstemp,mkstemp)
380 AC_CHECK_FUNCS(waitpid wait3 sigaction sigprocmask sigblock sigsetmask \
381 sighold sigrelse lstat uname tzset killpg mkstemp \
382 getutent nl_langinfo mbtowc wcwidth)
384 dnl sigsetjmp may be a macro
385 AC_MSG_CHECKING(for sigsetjmp)
386 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <setjmp.h>]],
387 [[sigsetjmp((void *)0, 0);]])],[AC_DEFINE(HAVE_SIGSETJMP, 1,
388 [Define to 1 if you have the `sigsetjmp'.]) AC_MSG_RESULT(yes)],
391 AC_REPLACE_FUNCS(snprintf strdup)
393 dnl Look for the initgroups() declaration. On AIX 4.[13], Solaris 4.1.3, and
394 dnl ULTRIX 4.2A the function is defined in libc but there's no declaration in
395 dnl any system header.
397 dnl On Solaris 2.[456], the declaration is in <grp.h>. On HP-UX 9-11 and
398 dnl (reportedly) FreeBSD 3.[23], it's in <unistd.h>. Any other locations we
400 AH_TEMPLATE(INITGROUPS_HEADER, [Define to the header containing the declaration of `initgroups'.])
401 AC_EGREP_HEADER(initgroups, grp.h, AC_DEFINE(INITGROUPS_HEADER, <grp.h>),
402 AC_EGREP_HEADER(initgroups, unistd.h,
403 AC_DEFINE(INITGROUPS_HEADER, <unistd.h>)))
405 dnl On AIX 4.1, snprintf() is defined in libc.a but there's no prototype in
406 dnl <stdio.h> or elsewhere. Apparently it's not officially supported (though it
407 dnl seems to work perfectly and IBM apparently uses it in internal code).
408 dnl Anyhow, if we omit our own snprintf() and vsnprintf() prototypes when we
409 dnl HAVE_SNPRINTF, we get a billion warnings at compile time. Use the C
410 dnl preprocessor to preprocess stdio.h and make sure that there's actually a
412 AC_EGREP_HEADER(snprintf, stdio.h, AC_DEFINE(HAVE_SNPRINTF_PROTOTYPE,1,
413 [Define to 1 if <stdio.h> has a prototype for snprintf().]))
415 dnl Check for multibyte character set support
416 if test "x$ac_cv_header_wchar_h" = "xyes" -a "x$ac_cv_header_wctype_h" = "xyes" \
417 -a "x$ac_cv_func_wcwidth" = "xyes" -a "x$ac_cv_func_mbtowc" = "xyes"; then
418 AC_DEFINE(MULTIBYTE_SUPPORT, 1,
419 [Define to enable support for multibyte character sets.])
422 dnl -------------------
423 dnl CHECK FOR LIBRARIES
424 dnl -------------------
425 dnl Check location of modf
426 AC_CHECK_FUNC(modf, , AC_CHECK_LIB(m, modf))
428 dnl Checks for network libraries (nsl, socket)
431 termcap_curses_order="termcap curses ncurses"
432 for lib in $termcap_curses_order; do
433 AC_CHECK_LIB(${lib}, tgetent, [TERMLIB="-l$lib"; break])
441 dnl Find iconv. It may be in libiconv and may be iconv() or libiconv()
442 if test "x$ac_cv_header_iconv_h" = "xyes"; then
443 AC_CHECK_FUNC(iconv, ac_found_iconv=yes, ac_found_iconv=no)
444 if test "x$ac_found_iconv" = "xno"; then
445 AC_CHECK_LIB(iconv, iconv, ac_found_iconv=yes)
446 if test "x$ac_found_iconv" = "xno"; then
447 AC_CHECK_LIB(iconv, libiconv, ac_found_iconv=yes)
449 if test "x$ac_found_iconv" != "xno"; then
453 dnl Handle case where there is a native iconv but iconv.h is from libiconv
454 AC_CHECK_DECL(_libiconv_version,
455 [ AC_CHECK_LIB(iconv, libiconv, LIBS="-liconv $LIBS") ],,
456 [ #include <iconv.h> ])
459 if test "x$ac_found_iconv" = xyes; then
460 AC_DEFINE(HAVE_ICONV, 1, [Define if you have the iconv() function.])
463 dnl Check if iconv uses const in prototype declaration
464 if test "x$ac_found_iconv" = "xyes"; then
465 AC_CACHE_CHECK(for iconv declaration, ac_cv_iconv_const,
466 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdlib.h>
467 #include <iconv.h>]],
471 #if defined(__STDC__) || defined(__cplusplus)
472 size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
476 [ac_cv_iconv_const=],
477 [ac_cv_iconv_const=const])])
478 AC_DEFINE_UNQUOTED([ICONV_CONST], $ac_cv_iconv_const,
479 [Define as const if the declaration of iconv() needs const.])
486 AC_ARG_WITH([ndbm],AS_HELP_STRING([--with-ndbm=ARG],[use -lARG to link with ndbm]),
487 [nmh_ndbm=$withval],[nmh_ndbm=autodetect])
488 AC_ARG_WITH([ndbmheader],AS_HELP_STRING([--with-ndbmheader=ARG],[#include <ARG> to use ndbm]),
489 [nmh_ndbmheader=$withval],[nmh_ndbmheader=autodetect])
491 if test "$nmh_ndbm" = "autodetect"; then
492 if test "$nmh_ndbmheader" != "autodetect"; then
493 AC_MSG_ERROR([must specify both --with-ndbm and --with-ndbmheader or neither])
496 dnl There are at least four implementations of ndbm, and
497 dnl several of those can be in different places at the whim
498 dnl of the system integrator. A good summary of this mess
499 dnl can be found at http://www.unixpapa.com/incnote/dbm.html
501 dnl Classic ndbm with no library required (eg NetBSD): try this
502 dnl first so we don't accidentally link in a pointless but harmless
503 dnl library in one of the later ndbm.h+libfoo tests:
504 NMH_CHECK_NDBM(ndbm.h,,,
505 dnl Berkeley DBv2 emulating ndbm: header in db.h:
506 NMH_CHECK_NDBM(db.h,db,,
507 dnl Berkeley DBv1 emulating ndbm:
508 NMH_CHECK_NDBM(ndbm.h,db,,
509 NMH_CHECK_NDBM(ndbm.h,db1,,
511 NMH_CHECK_NDBM(ndbm.h,ndbm,,
512 dnl glibc2.1 systems put db1 in a subdir:
513 NMH_CHECK_NDBM(db1/ndbm.h,db1,,
514 dnl GNU gdbm emulating ndbm, with header possibly in gdbm/
515 dnl and possibly needing gbdm_compat library:
516 NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm,,
517 NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm_compat -lgdbm,,
518 NMH_CHECK_NDBM(ndbm.h,gdbm,,
519 NMH_CHECK_NDBM(ndbm.h,gdbm_compat -lgdbm))))))))))
523 dnl We don't really need to check that the user-specified values work,
524 dnl but it is a convenience to the user to bomb out early rather than
525 dnl after configure and half the compile process.
526 NMH_CHECK_NDBM([$nmh_ndbmheader],[$nmh_ndbm])
529 if test "$nmh_ndbm_found" = "no"; then
530 AC_MSG_ERROR([could not find a working ndbm library/header combination])
532 dnl Now export the lib/header to our makefile/config.h:
533 if test x"$nmh_ndbmheader" != x; then
534 AC_DEFINE_UNQUOTED(NDBM_HEADER, <$nmh_ndbmheader>,
535 [Define to the header containing the ndbm API prototypes.])
537 if test x"$nmh_ndbm" != x; then
538 NDBM_LIBS="-l$nmh_ndbm"
546 dnl ---------------------
547 dnl CHECK TERMCAP LIBRARY
548 dnl ---------------------
550 dnl Add the termcap library, so that the following configure
551 dnl tests will find it when it tries to link test programs.
552 nmh_save_LIBS="$LIBS"
553 LIBS="$TERMLIB $LIBS"
555 dnl Checks for external variable ospeed in the termcap library.
556 AC_CACHE_CHECK(if an include file defines ospeed,
557 nmh_cv_decl_ospeed_include_defines,
558 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
560 # include <termios.h>
563 # include <termcap.h>
564 #endif]], [[ospeed = 0;]])],
565 nmh_cv_decl_ospeed_include_defines=yes,nmh_cv_decl_ospeed_include_defines=no)])
567 if test $nmh_cv_decl_ospeed_include_defines = no; then
568 AC_CACHE_CHECK(if you must define ospeed,
569 nmh_cv_decl_ospeed_must_define,
570 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
571 [[extern short ospeed; ospeed = 0;]])],
572 nmh_cv_decl_ospeed_must_define=yes,nmh_cv_decl_ospeed_must_define=no)])
575 AH_TEMPLATE(HAVE_OSPEED, [Define to 1 if your termcap library has the ospeed variable.])
576 if test $nmh_cv_decl_ospeed_include_defines = yes; then
577 AC_DEFINE(HAVE_OSPEED)dnl
578 elif test $nmh_cv_decl_ospeed_must_define = yes; then
579 AC_DEFINE(HAVE_OSPEED)
580 AC_DEFINE(MUST_DEFINE_OSPEED, 1,
581 [Define to 1 if you have ospeed, but it is not defined in termcap.h.])
584 dnl Check if tgetent accepts NULL (and will allocate its own termcap buffer)
585 dnl Some termcaps reportedly accept a zero buffer, but then dump core
587 dnl Under Cygwin test program crashes but exit code is still 0. So,
588 dnl we test for a file that porgram should create
589 AH_TEMPLATE([TGETENT_ACCEPTS_NULL],
590 [Define to 1 if tgetent() accepts NULL as a buffer.])
591 AC_CACHE_CHECK(if tgetent accepts NULL,
592 nmh_cv_func_tgetent_accepts_null,
597 int r1 = tgetent(buf, "vt100");
598 int r2 = tgetent(NULL,"vt100");
599 if (r1 >= 0 && r1 == r2) {
603 creat("conftest.tgetent", 0640);
605 exit((r1 != r2) || r2 == -1);
608 if test -f conftest.tgetent; then
609 nmh_cv_func_tgetent_accepts_null=yes
611 nmh_cv_func_tgetent_accepts_null=no
613 nmh_cv_func_tgetent_accepts_null=no,
614 nmh_cv_func_tgetent_accepts_null=no)])
615 if test x$nmh_cv_func_tgetent_accepts_null = xyes; then
616 AC_DEFINE(TGETENT_ACCEPTS_NULL)
618 AC_CACHE_CHECK(if tgetent returns 0 on success,
619 nmh_cv_func_tgetent_zero_success,
624 int r1 = tgetent(buf, "!@#$%^&*");
625 int r2 = tgetent(buf, "vt100");
626 if (r1 < 0 && r2 == 0) {
630 creat("conftest.tgetent0", 0640);
635 if test -f conftest.tgetent0; then
636 nmh_cv_func_tgetent_zero_success=yes
638 nmh_cv_func_tgetent_zero_success=no
640 nmh_cv_func_tgetent_zero_success=no,
641 nmh_cv_func_tgetent_zero_success=no)])
642 AH_TEMPLATE([TGETENT_SUCCESS],
643 [Define to what tgetent() returns on success (0 on HP-UX X/Open curses).])
644 if test x$nmh_cv_func_tgetent_zero_success = xyes; then
645 AC_DEFINE(TGETENT_SUCCESS, 0)
647 AC_DEFINE(TGETENT_SUCCESS, 1)
650 dnl Now put the libraries back to what it was before we
651 dnl starting checking the termcap library.
652 LIBS="$nmh_save_LIBS"
664 dnl Check for sigset_t. Currently I'm looking in
665 dnl <sys/types.h> and <signal.h>. Others might need
667 AC_CACHE_CHECK(for sigset_t, nmh_cv_type_sigset_t,
668 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
669 #include <signal.h>]], [[sigset_t tempsigset;]])],
670 nmh_cv_type_sigset_t=yes,nmh_cv_type_sigset_t=no)])
671 if test $nmh_cv_type_sigset_t = no; then
672 AC_DEFINE(sigset_t, unsigned int,
673 [Define to `unsigned int' if <sys/types.h> or <signal.h> doesn't define.])
679 AC_CHECK_MEMBERS(struct stat.st_blksize)
681 AC_CHECK_MEMBERS(struct tm.tm_gmtoff,,,
682 [#ifdef TIME_WITH_SYS_TIME
683 # include <sys/time.h>
686 # ifdef TM_IN_SYS_TIME
687 # include <sys/time.h>
693 AC_CHECK_MEMBERS(struct utmp.ut_type,,,[#include <utmp.h>])
695 AC_MSG_CHECKING(for union wait)
696 AC_CACHE_VAL(nmh_cv_union_wait, [dnl
697 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
698 #include <sys/wait.h>]],
699 [[union wait status; int pid; pid = wait (&status);
701 /* Some POSIXoid systems have both the new-style macros and the old
702 union wait type, and they do not work together. If union wait
703 conflicts with WEXITSTATUS et al, we don't want to use it at all. */
704 if (WEXITSTATUS (status) != 0) pid = -1;
706 /* If we have WEXITSTATUS and WTERMSIG, just use them on ints. */
707 -- blow chunks here --
711 /* Make sure union wait works with waitpid. */
712 pid = waitpid (-1, &status, 0);
715 [nmh_cv_union_wait=yes],
716 [nmh_cv_union_wait=no])])
717 if test "$nmh_cv_union_wait" = yes; then
718 AC_DEFINE(HAVE_UNION_WAIT, 1,
719 [Define to 1 if you have the \`union wait' type in <sys/wait.h>.])
721 AC_MSG_RESULT($nmh_cv_union_wait)
723 CHECK_TYPE_STRUCT_DIRENT_D_TYPE()
728 dnl What style of signal do you have (POSIX, BSD, or SYSV)?
729 AH_TEMPLATE(RELIABLE_SIGNALS, [Define to 1 if you have reliable signals.])
730 AC_MSG_CHECKING(what style of signals to use)
731 if test $ac_cv_func_sigaction = yes -a $ac_cv_func_sigprocmask = yes; then
732 signals_style=POSIX_SIGNALS
733 AC_DEFINE(POSIX_SIGNALS, 1,
734 [Define to 1 if you use POSIX style signal handling.])
735 AC_DEFINE(RELIABLE_SIGNALS)
736 elif test $ac_cv_func_sigblock = yes -a $ac_cv_func_sigsetmask = yes; then
737 signals_style=BSD_SIGNALS
738 AC_DEFINE(BSD_SIGNALS,1,
739 [Define to 1 if you use BSD style signal handling (and can block signals).])
740 AC_DEFINE(RELIABLE_SIGNALS)
741 elif test $ac_cv_func_sighold = yes -a $ac_cv_func_sigrelse = yes; then
742 signals_style=SYSV_SIGNALS
743 AC_DEFINE(SYSV_SIGNALS,1,
744 [Define to 1 if you use SYSV style signal handling (and can block signals).])
746 signals_style=NO_SIGNAL_BLOCKING
747 AC_DEFINE(NO_SIGNAL_BLOCKING,1,
748 [Define to 1 if you have no signal blocking at all (bummer).])
751 AC_MSG_RESULT($signals_style)
753 dnl Where is <signal.h> located? Needed as input for signames.awk
754 AC_CACHE_CHECK(where signal.h is located, nmh_cv_path_signal_h,
755 [for SIGNAL_H in /usr/include/bsd/sys/signal.h dnl Next
756 /usr/include/asm/signal.h dnl Linux 1.3.0 and above
757 /usr/include/asm/signum.h dnl some versions of Linux/Alpha
758 /usr/include/linux/signal.h dnl Linux up to 1.2.11
759 /usr/include/sys/signal.h dnl Almost everybody else
760 /dev/null; dnl Just in case we fall through
762 test -f $SIGNAL_H && \
763 grep '#[ ]*define[ ][ ]*SIG[0-9A-Z]*[ ]*[0-9][0-9]*' $SIGNAL_H > /dev/null && \
766 nmh_cv_path_signal_h=$SIGNAL_H
768 SIGNAL_H=$nmh_cv_path_signal_h
769 AC_SUBST(SIGNAL_H)dnl
772 dnl OS SPECIFIC DEFINES
774 AH_TEMPLATE(BSD42, [Defined for SunOS 4, FreeBSD, NetBSD, OpenBSD, BSD/OS, Mac OS X/Rhapsody -- does PicoBSD have uname?])
775 AH_TEMPLATE(SCO_5_STDIO, [Defined for SCO5.])
795 AC_DEFINE(SCO_5_STDIO)
803 AC_CONFIG_FILES(Makefile config/Makefile h/Makefile sbr/Makefile uip/Makefile \
804 etc/Makefile docs/Makefile man/Makefile)
805 AC_CONFIG_COMMANDS([stamp],[test -z "$CONFIG_HEADERS" || echo > stamp-h])
808 dnl These odd looking assignments are done to expand out unexpanded
809 dnl variables in bindir et al (for instance mandir is '${datarootdir}/man',
810 dnl but expanding that gives '${prefix}/share/man', so we need to expand
811 dnl again to get the final answer.
812 dnl We only use the expanded versions to print the install paths in
813 dnl the final summary and should use them nowhere else (see the autoconf
814 dnl docs for the rationale for bindir etc being unexpanded).
815 eval "nmhbin=${bindir}"; eval "nmhbin=${nmhbin}"
816 eval "nmhsysconf=${sysconfdir}"; eval "nmhsysconf=${nmhsysconf}"
817 eval "nmhlib=${libdir}"; eval "nmhlib=${nmhlib}"
818 eval "nmhman=${mandir}"; eval "nmhman=${nmhman}"
823 mmh version : AC_PACKAGE_VERSION
824 target os : ${target}
826 compiler flags : ${CFLAGS}
827 linker flags : ${LDFLAGS}
828 definitions : ${OURDEFS}
829 source code location : ${srcdir}
831 binary install path : ${nmhbin}
832 library install path : ${nmhlib}
833 config install path : ${nmhsysconf}
834 man page install path : ${nmhman}
836 sendmail path : ${sendmailpath}
838 file locking type : ${LOCKTYPE}
839 address masquerading : ${masquerade}