2 dnl configure.in -- autoconf template for nmh
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 nmh are we building?
32 DATE=`cat ${srcdir}/DATE`
33 echo "configuring for nmh dated $DATE"
36 dnl --------------------------
37 dnl CHECK COMMAND LINE OPTIONS
38 dnl --------------------------
40 dnl Do you want to debug nmh?
42 AS_HELP_STRING([--enable-debug],[enable nmh code debugging]))
43 dnl The old redundant --enable-nmh-debug is deprecated and undocumented.
44 if test x"$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$enableval = xyes; then
81 dnl What should be the default editor?
83 AS_HELP_STRING([--with-editor=EDITOR],[specify the default editor]))
85 if test -n "$with_editor"; then
86 editorpath="$with_editor"
89 dnl Set the backup prefix
90 AC_ARG_WITH([hash-backup],
91 AS_HELP_STRING([--with-hash-backup],[use # as the backup prefix (default: ,)]))
92 if test x"$with_hash_backup" != x -a x"$with_hash_backup" != x"no"; then
97 AC_DEFINE_UNQUOTED(BACKUP_PREFIX, "$backup_prefix",
98 [The prefix that is prepended to the name of message files when they are "removed" by rmm. This should typically be `,' or `#'.])dnl
100 dnl What method of locking to use?
102 AS_HELP_STRING([--with-locking=@<:@dot|fcntl|flock|lockf@:>@],
103 [specify the file locking method]))
105 if test x"$with_locking" = x"dot"; then
107 AC_DEFINE(DOT_LOCKING, 1, [Define to use dot based file locking.])dnl
108 elif test x"$with_locking" = x"flock"; then
110 AC_DEFINE(FLOCK_LOCKING, 1, [Define to use flock() based locking.])dnl
111 elif test x"$with_locking" = x"lockf"; then
113 AC_DEFINE(LOCKF_LOCKING, 1, [Define to use lockf() based locking.])dnl
114 elif test x"$with_locking" = x"fcntl"; then
116 AC_DEFINE(FCNTL_LOCKING, 1, [Define to use fnctl() based locking.])dnl
119 AC_DEFINE(DOT_LOCKING)dnl
122 dnl What should be the default pager?
124 AS_HELP_STRING([--with-pager=PAGER],[specify the default pager]))
126 if test -n "$with_pager"; then
127 pagerpath="$with_pager"
130 dnl ----------------------------------------------------
131 dnl Default location is /usr/local/mmh/{bin,etc,lib,share/man}
132 dnl ----------------------------------------------------
133 AC_PREFIX_DEFAULT(/usr/local/mmh)
136 dnl ------------------
137 dnl CHECK THE COMPILER
138 dnl ------------------
139 dnl We want these before the checks,
140 dnl so the checks can modify their values.
141 test -z "$CFLAGS" && CFLAGS= auto_cflags=1
142 if test x"$enable_debug" = x"yes"; then
143 test -z "$LDFLAGS" && LDFLAGS=-g
148 AC_CACHE_CHECK(whether compiler supports -Wno-pointer-sign, nmh_cv_has_noptrsign,
149 [nmh_saved_cflags="$CFLAGS"
150 CFLAGS="$CFLAGS -Wno-pointer-sign"
151 AC_TRY_COMPILE([],[],nmh_cv_has_noptrsign=yes,nmh_cv_has_noptrsign=no)
152 CFLAGS="$nmh_saved_cflags"])
154 dnl if the user hasn't specified CFLAGS, then
155 dnl if compiler is gcc, then
156 dnl use -O2 and some warning flags
158 dnl We use -Wall; if the compiler supports it we also use -Wno-pointer-sign,
159 dnl because gcc 4 now produces a lot of new warnings which are probably mostly
160 dnl spurious and which in any case we don't want to deal with now.
161 if test "$nmh_cv_has_noptrsign" = "yes"; then
162 nmh_gcc_warnflags="-Wall -Wno-pointer-sign"
164 nmh_gcc_warnflags="-Wall"
167 if test -n "$auto_cflags"; then
168 if test x"$enable_debug" = x"yes"; then
169 if test -n "$GCC"; then
170 test -z "$CFLAGS" && CFLAGS="$nmh_gcc_warnflags -g" || CFLAGS="$CFLAGS $nmh_gcc_warnflags -g"
172 test -z "$CFLAGS" && CFLAGS=-g || CFLAGS="$CFLAGS -g"
175 if test -z "$LDFLAGS"; then
185 if test -n "$GCC"; then
186 test -z "$CFLAGS" && CFLAGS="$nmh_gcc_warnflags -O2" || CFLAGS="$CFLAGS $nmh_gcc_warnflags -O2"
188 test -z "$CFLAGS" && CFLAGS=-O || CFLAGS="$CFLAGS -O"
193 AC_C_CONST dnl Does compiler support `const'.
195 dnl ------------------
196 dnl CHECK FOR PROGRAMS
197 dnl ------------------
198 AC_PROG_MAKE_SET dnl Does make define $MAKE
199 AC_PROG_INSTALL dnl Check for BSD compatible `install'
200 AC_PROG_RANLIB dnl Check for `ranlib'
201 AC_PROG_AWK dnl Check for mawk,gawk,nawk, then awk
202 AC_PROG_LEX dnl Check for lex/flex
205 pathtmp=/usr/bin:/bin:/usr/local/bin:/usr/xpg4/bin:/usr/ucb
206 AC_PATH_PROG(cutpath, cut, no, [$pathtmp])
208 dnl ----------------------------------------------
209 dnl check for lclint, and lint if it doesn't exist
210 dnl ----------------------------------------------
211 AC_CHECK_PROG(linttmp1, lclint, lclint, no)dnl
212 if test x$ac_cv_prog_linttmp1 != xno ; then
213 LINT=$ac_cv_prog_linttmp1
214 LINTFLAGS="-weak +posixlib -macrovarprefixexclude"
216 AC_CHECK_PROG(linttmp2, lint, lint, no)dnl
217 if test x$ac_cv_prog_linttmp2 != xno ; then
218 LINT=$ac_cv_prog_linttmp2
221 LINT="echo 'No lint program found'"
226 AC_SUBST(LINTFLAGS)dnl
228 dnl try to figure out which one we've got
229 AC_CHECK_PROG(LIBTOOL, libtool, libtool, , [$pathtmp])
232 dnl Check for lorder and tsort commands
233 AC_CHECK_PROG(LORDER, lorder, lorder, no)dnl
234 AC_CHECK_PROG(TSORT, tsort, tsort, no)dnl
236 dnl If either doesn't exist, replace them with echo and cat
237 if test x$ac_cv_prog_LORDER != xlorder -o x$ac_cv_prog_TSORT != xtsort; then
242 dnl Mac OS X has lorder, but sh is too broken for it to work
243 dnl elif test -z "`lorder config/config.c 2>&1 | grep config/config.c`" ; then
246 dnl AC_SUBST(LORDER)dnl
247 dnl AC_SUBST(TSORT)dnl
250 dnl Check whether tsort can deal with loops
251 AC_CACHE_CHECK(whether tsort can deal with loops, nmh_cv_tsort_loop,
252 [if test -z "`echo a b b a | tsort 2>/dev/null | grep a`" ; then
255 nmh_cv_tsort_loop=yes
257 if test x$nmh_cv_tsort_loop = xno ; then
265 pathtmp=/usr/bin:/bin:/usr/local/bin:/usr/xpg4/bin:/usr/ucb
266 AC_PATH_PROG(lspath, ls, no, [$pathtmp])
268 dnl See how we get ls to display the owner and the group
269 if test "$lspath" != "no"; then
270 AC_CACHE_CHECK(how to get ls to show us the group ownership of a file,
272 [if test x"`$lspath -dl / | $AWK '{print $9}'`" = x"/"; then
273 dnl There were 9 parameters, so unless this is a really bizarre, nonstandard
274 dnl ls, it would seem -l gave us both the user and group. On this type of
275 dnl ls, -g makes _only_ the group be displayed (and not the user).
276 nmh_cv_ls_grpopt="-l"
278 dnl Looks like -l only gave us the user, so we need -g to get the group too.
279 nmh_cv_ls_grpopt="-lg"
284 pathtmp=/usr/bin:/bin:/usr/ucb:/usr/local/bin
285 AC_PATH_PROG(morepath, more, no, [$pathtmp])
287 dnl If pager is not specified yet,
288 dnl then use `more' as the default.
289 if test -z "$pagerpath"; then
290 pagerpath="$morepath"
292 AC_SUBST(pagerpath)dnl
294 dnl Look for `sendmail'
295 pathtmp=/usr/lib:/usr/sbin:/usr/etc:/usr/ucblib:/usr/bin:/bin
296 AC_PATH_PROG(sendmailpath, sendmail, /usr/sbin/sendmail, [$pathtmp])
299 pathtmp=/usr/bin:/bin:/usr/ucb:/usr/local/bin
300 AC_PATH_PROG(vipath, vi, /bin/vi, [$pathtmp])
302 dnl If editor is not specified yet,
303 dnl then use `vi' as the default.
304 if test -z "$editorpath"; then
307 AC_SUBST(editorpath)dnl
309 dnl ----------------------------------------------------------
310 dnl FIND MAIL SPOOL AND SEE IF WE NEED TO MAKE inc SETGID MAIL
311 dnl ----------------------------------------------------------
312 AC_CACHE_CHECK(where mail spool is located, nmh_cv_mailspool,
313 [for mailspool in /var/mail dnl
316 /dev/null; dnl Just in case we fall through
318 test -d $mailspool && break
320 nmh_cv_mailspool=$mailspool
322 mailspool=$nmh_cv_mailspool
323 AC_SUBST(mailspool)dnl
325 dnl See whether the mail spool directory is world-writable.
326 if test "$lspath" != "no" -a "$cutpath" != "no"; then
327 AC_CACHE_CHECK(whether the mail spool is world-writable,
328 nmh_cv_mailspool_world_writable,
329 [if test "`$lspath -dlL $mailspool | $cutpath -c9`" = "-"; then
330 nmh_cv_mailspool_world_writable=no
332 nmh_cv_mailspool_world_writable=yes
336 dnl Also, check for liblockfile (as found on Debian systems)
337 AC_CHECK_HEADER(lockfile.h, AC_CHECK_LIB(lockfile, lockfile_create) )
339 dnl and whether its companion program dotlockfile is setgid
340 AC_PATH_PROG(dotlockfilepath, dotlockfile, no)
341 if test "$ac_cv_lib_lockfile_lockfile_create" != "no" ; then
342 if test "$ac_cv_path_dotlockfilepath" != "no" ; then
343 AC_CACHE_CHECK(whether dotlockfile is setgid, nmh_cv_dotlockfile_setgid,
344 [ if test -g "$ac_cv_path_dotlockfilepath" ; then
345 nmh_cv_dotlockfile_setgid=yes
347 nmh_cv_dotlockfile_setgid=no
352 dnl If mailspool is not world-writable and dotlockfile is not setgid,
353 dnl we need to #define MAILGROUP to 1 and make inc setgid.
354 if test x"$LOCKTYPE" = x"dot" -a x"$nmh_cv_mailspool_world_writable" = x"no" -a x"$nmh_cv_dotlockfile_setgid" != x"yes" ; then
355 dnl do we really need both of these?
356 AC_DEFINE(MAILGROUP,1,
357 [Define to 1 if you need to make `inc' set-group-id because your mail spool is not world writable. There are no guarantees as to the safety of doing this, but this #define will add some extra security checks.])dnl
360 AC_SUBST(SETGID_MAIL)dnl
362 dnl Use ls to see which group owns the mail spool directory.
363 AC_CACHE_CHECK(what group owns the mail spool, nmh_cv_ls_mail_grp,
364 [nmh_cv_ls_mail_grp=`$lspath -dL $nmh_cv_ls_grpopt $mailspool|$AWK '{print $4}'`
366 MAIL_SPOOL_GRP=$nmh_cv_ls_mail_grp
367 AC_SUBST(MAIL_SPOOL_GRP)dnl
369 dnl ------------------
370 dnl CHECK HEADER FILES
371 dnl ------------------
373 dnl On glibc we need to define at least the '_XOPEN_SOURCE' level of features,
374 dnl or wchar.h doesn't declare a prototype for wcwidth(). But if we only define
375 dnl that level then db.h won't compile. So we define _GNU_SOURCE which turns
376 dnl on everything. Perhaps other OSes need some feature switch set to get wcwidth()
377 dnl declared; if so they should have an entry added to this case statement.
378 dnl NB that we must define this on the compiler command line, not in config.h,
379 dnl because it must be set before any system header is included and there's no
380 dnl portable way to make sure that files generated by lex include config.h
381 dnl before system header files.
385 # Like DEFS, but doesn't get stomped on by configure when using config.h:
386 OURDEFS="$OURDEFS -D_GNU_SOURCE"
397 AC_CHECK_HEADERS(string.h memory.h stdlib.h unistd.h errno.h fcntl.h \
398 limits.h crypt.h termcap.h termio.h termios.h locale.h \
399 langinfo.h wchar.h wctype.h iconv.h netdb.h \
400 sys/param.h sys/time.h sys/utsname.h sys/stream.h \
401 arpa/inet.h arpa/ftp.h)
404 dnl Checks for _IO_write_ptr. A Linuxism used by nmh on linux. We
405 dnl really use a whole set of them, but this check should be
408 AC_CHECK_HEADER(libio.h, [
409 AC_EGREP_HEADER(_IO_write_ptr, libio.h, [
410 AC_DEFINE(LINUX_STDIO,1,[Use the Linux _IO_*_ptr defines from <libio.h>.]) ]) ])
412 AC_CHECK_HEADER([sys/ptem.h], AC_DEFINE(WINSIZE_IN_PTEM,1,
413 [Define to 1 if `struct winsize' requires <sys/ptem.h>.]),,
414 [[#if HAVE_SYS_STREAM_H
415 # include <sys/stream.h>
423 AC_CHECK_LIB(mkstemp,mkstemp)
424 AC_CHECK_FUNCS(waitpid wait3 sigaction sigprocmask sigblock sigsetmask \
425 sighold sigrelse writev lstat uname tzset killpg mkstemp \
426 getutent nl_langinfo mbtowc wcwidth)
428 dnl sigsetjmp may be a macro
429 AC_MSG_CHECKING(for sigsetjmp)
430 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <setjmp.h>]],
431 [[sigsetjmp((void *)0, 0);]])],[AC_DEFINE(HAVE_SIGSETJMP, 1,
432 [Define to 1 if you have the `sigsetjmp'.]) AC_MSG_RESULT(yes)],
435 AC_REPLACE_FUNCS(memmove snprintf strerror strdup)
437 dnl Look for the initgroups() declaration. On AIX 4.[13], Solaris 4.1.3, and
438 dnl ULTRIX 4.2A the function is defined in libc but there's no declaration in
439 dnl any system header.
441 dnl On Solaris 2.[456], the declaration is in <grp.h>. On HP-UX 9-11 and
442 dnl (reportedly) FreeBSD 3.[23], it's in <unistd.h>. Any other locations we
444 AH_TEMPLATE(INITGROUPS_HEADER, [Define to the header containing the declaration of `initgroups'.])
445 AC_EGREP_HEADER(initgroups, grp.h, AC_DEFINE(INITGROUPS_HEADER, <grp.h>),
446 AC_EGREP_HEADER(initgroups, unistd.h,
447 AC_DEFINE(INITGROUPS_HEADER, <unistd.h>)))
449 dnl On AIX 4.1, snprintf() is defined in libc.a but there's no prototype in
450 dnl <stdio.h> or elsewhere. Apparently it's not officially supported (though it
451 dnl seems to work perfectly and IBM apparently uses it in internal code).
452 dnl Anyhow, if we omit our own snprintf() and vsnprintf() prototypes when we
453 dnl HAVE_SNPRINTF, we get a billion warnings at compile time. Use the C
454 dnl preprocessor to preprocess stdio.h and make sure that there's actually a
456 AC_EGREP_HEADER(snprintf, stdio.h, AC_DEFINE(HAVE_SNPRINTF_PROTOTYPE,1,
457 [Define to 1 if <stdio.h> has a prototype for snprintf().]))
459 dnl Check for multibyte character set support
460 if test "x$ac_cv_header_wchar_h" = "xyes" -a "x$ac_cv_header_wctype_h" = "xyes" \
461 -a "x$ac_cv_func_wcwidth" = "xyes" -a "x$ac_cv_func_mbtowc" = "xyes"; then
462 AC_DEFINE(MULTIBYTE_SUPPORT, 1,
463 [Define to enable support for multibyte character sets.])
466 dnl -------------------
467 dnl CHECK FOR LIBRARIES
468 dnl -------------------
469 dnl Check location of modf
470 AC_CHECK_FUNC(modf, , AC_CHECK_LIB(m, modf))
472 dnl Checks for network libraries (nsl, socket)
475 termcap_curses_order="termcap curses ncurses"
476 for lib in $termcap_curses_order; do
477 AC_CHECK_LIB(${lib}, tgetent, [TERMLIB="-l$lib"; break])
485 dnl Find iconv. It may be in libiconv and may be iconv() or libiconv()
486 if test "x$ac_cv_header_iconv_h" = "xyes"; then
487 AC_CHECK_FUNC(iconv, ac_found_iconv=yes, ac_found_iconv=no)
488 if test "x$ac_found_iconv" = "xno"; then
489 AC_CHECK_LIB(iconv, iconv, ac_found_iconv=yes)
490 if test "x$ac_found_iconv" = "xno"; then
491 AC_CHECK_LIB(iconv, libiconv, ac_found_iconv=yes)
493 if test "x$ac_found_iconv" != "xno"; then
497 dnl Handle case where there is a native iconv but iconv.h is from libiconv
498 AC_CHECK_DECL(_libiconv_version,
499 [ AC_CHECK_LIB(iconv, libiconv, LIBS="-liconv $LIBS") ],,
500 [ #include <iconv.h> ])
503 if test "x$ac_found_iconv" = xyes; then
504 AC_DEFINE(HAVE_ICONV, 1, [Define if you have the iconv() function.])
507 dnl Check if iconv uses const in prototype declaration
508 if test "x$ac_found_iconv" = "xyes"; then
509 AC_CACHE_CHECK(for iconv declaration, ac_cv_iconv_const,
510 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdlib.h>
511 #include <iconv.h>]],
515 #if defined(__STDC__) || defined(__cplusplus)
516 size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
520 [ac_cv_iconv_const=],
521 [ac_cv_iconv_const=const])])
522 AC_DEFINE_UNQUOTED([ICONV_CONST], $ac_cv_iconv_const,
523 [Define as const if the declaration of iconv() needs const.])
530 AC_ARG_WITH([ndbm],AS_HELP_STRING([--with-ndbm=ARG],[use -lARG to link with ndbm]),
531 [nmh_ndbm=$withval],[nmh_ndbm=autodetect])
532 AC_ARG_WITH([ndbmheader],AS_HELP_STRING([--with-ndbmheader=ARG],[#include <ARG> to use ndbm]),
533 [nmh_ndbmheader=$withval],[nmh_ndbmheader=autodetect])
535 if test "$nmh_ndbm" = "autodetect"; then
536 if test "$nmh_ndbmheader" != "autodetect"; then
537 AC_MSG_ERROR([must specify both --with-ndbm and --with-ndbmheader or neither])
540 dnl There are at least four implementations of ndbm, and
541 dnl several of those can be in different places at the whim
542 dnl of the system integrator. A good summary of this mess
543 dnl can be found at http://www.unixpapa.com/incnote/dbm.html
545 dnl Classic ndbm with no library required (eg NetBSD): try this
546 dnl first so we don't accidentally link in a pointless but harmless
547 dnl library in one of the later ndbm.h+libfoo tests:
548 NMH_CHECK_NDBM(ndbm.h,,,
549 dnl Berkeley DBv2 emulating ndbm: header in db.h:
550 NMH_CHECK_NDBM(db.h,db,,
551 dnl Berkeley DBv1 emulating ndbm:
552 NMH_CHECK_NDBM(ndbm.h,db,,
553 NMH_CHECK_NDBM(ndbm.h,db1,,
555 NMH_CHECK_NDBM(ndbm.h,ndbm,,
556 dnl glibc2.1 systems put db1 in a subdir:
557 NMH_CHECK_NDBM(db1/ndbm.h,db1,,
558 dnl GNU gdbm emulating ndbm, with header possibly in gdbm/
559 dnl and possibly needing gbdm_compat library:
560 NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm,,
561 NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm_compat -lgdbm,,
562 NMH_CHECK_NDBM(ndbm.h,gdbm,,
563 NMH_CHECK_NDBM(ndbm.h,gdbm_compat -lgdbm))))))))))
567 dnl We don't really need to check that the user-specified values work,
568 dnl but it is a convenience to the user to bomb out early rather than
569 dnl after configure and half the compile process.
570 NMH_CHECK_NDBM([$nmh_ndbmheader],[$nmh_ndbm])
573 if test "$nmh_ndbm_found" = "no"; then
574 AC_MSG_ERROR([could not find a working ndbm library/header combination])
576 dnl Now export the lib/header to our makefile/config.h:
577 if test x"$nmh_ndbmheader" != x; then
578 AC_DEFINE_UNQUOTED(NDBM_HEADER, <$nmh_ndbmheader>,
579 [Define to the header containing the ndbm API prototypes.])
581 if test x"$nmh_ndbm" != x; then
582 NDBM_LIBS="-l$nmh_ndbm"
590 dnl ---------------------
591 dnl CHECK TERMCAP LIBRARY
592 dnl ---------------------
594 dnl Add the termcap library, so that the following configure
595 dnl tests will find it when it tries to link test programs.
596 nmh_save_LIBS="$LIBS"
597 LIBS="$TERMLIB $LIBS"
599 dnl Checks for external variable ospeed in the termcap library.
600 AC_CACHE_CHECK(if an include file defines ospeed,
601 nmh_cv_decl_ospeed_include_defines,
602 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
608 #endif]], [[ospeed = 0;]])],
609 nmh_cv_decl_ospeed_include_defines=yes,nmh_cv_decl_ospeed_include_defines=no)])
611 if test $nmh_cv_decl_ospeed_include_defines = no; then
612 AC_CACHE_CHECK(if you must define ospeed,
613 nmh_cv_decl_ospeed_must_define,
614 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
615 [[extern short ospeed; ospeed = 0;]])],
616 nmh_cv_decl_ospeed_must_define=yes,nmh_cv_decl_ospeed_must_define=no)])
619 AH_TEMPLATE(HAVE_OSPEED, [Define to 1 if your termcap library has the ospeed variable.])
620 if test $nmh_cv_decl_ospeed_include_defines = yes; then
621 AC_DEFINE(HAVE_OSPEED)dnl
622 elif test $nmh_cv_decl_ospeed_must_define = yes; then
623 AC_DEFINE(HAVE_OSPEED)
624 AC_DEFINE(MUST_DEFINE_OSPEED, 1,
625 [Define to 1 if you have ospeed, but it is not defined in termcap.h.])
628 dnl Check if tgetent accepts NULL (and will allocate its own termcap buffer)
629 dnl Some termcaps reportedly accept a zero buffer, but then dump core
631 dnl Under Cygwin test program crashes but exit code is still 0. So,
632 dnl we test for a file that porgram should create
633 AH_TEMPLATE([TGETENT_ACCEPTS_NULL],
634 [Define to 1 if tgetent() accepts NULL as a buffer.])
635 AC_CACHE_CHECK(if tgetent accepts NULL,
636 nmh_cv_func_tgetent_accepts_null,
641 int r1 = tgetent(buf, "vt100");
642 int r2 = tgetent((char*)0,"vt100");
643 if (r1 >= 0 && r1 == r2) {
647 creat("conftest.tgetent", 0640);
649 exit((r1 != r2) || r2 == -1);
652 if test -f conftest.tgetent; then
653 nmh_cv_func_tgetent_accepts_null=yes
655 nmh_cv_func_tgetent_accepts_null=no
657 nmh_cv_func_tgetent_accepts_null=no,
658 nmh_cv_func_tgetent_accepts_null=no)])
659 if test x$nmh_cv_func_tgetent_accepts_null = xyes; then
660 AC_DEFINE(TGETENT_ACCEPTS_NULL)
662 AC_CACHE_CHECK(if tgetent returns 0 on success,
663 nmh_cv_func_tgetent_zero_success,
668 int r1 = tgetent(buf, "!@#$%^&*");
669 int r2 = tgetent(buf, "vt100");
670 if (r1 < 0 && r2 == 0) {
674 creat("conftest.tgetent0", 0640);
679 if test -f conftest.tgetent0; then
680 nmh_cv_func_tgetent_zero_success=yes
682 nmh_cv_func_tgetent_zero_success=no
684 nmh_cv_func_tgetent_zero_success=no,
685 nmh_cv_func_tgetent_zero_success=no)])
686 AH_TEMPLATE([TGETENT_SUCCESS],
687 [Define to what tgetent() returns on success (0 on HP-UX X/Open curses).])
688 if test x$nmh_cv_func_tgetent_zero_success = xyes; then
689 AC_DEFINE(TGETENT_SUCCESS, 0)
691 AC_DEFINE(TGETENT_SUCCESS, 1)
694 dnl Now put the libraries back to what it was before we
695 dnl starting checking the termcap library.
696 LIBS="$nmh_save_LIBS"
708 dnl Check for sigset_t. Currently I'm looking in
709 dnl <sys/types.h> and <signal.h>. Others might need
711 AC_CACHE_CHECK(for sigset_t, nmh_cv_type_sigset_t,
712 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
713 #include <signal.h>]], [[sigset_t tempsigset;]])],
714 nmh_cv_type_sigset_t=yes,nmh_cv_type_sigset_t=no)])
715 if test $nmh_cv_type_sigset_t = no; then
716 AC_DEFINE(sigset_t, unsigned int,
717 [Define to `unsigned int' if <sys/types.h> or <signal.h> doesn't define.])
723 AC_CHECK_MEMBERS(struct stat.st_blksize)
725 AC_CHECK_MEMBERS(struct tm.tm_gmtoff,,,
726 [#ifdef TIME_WITH_SYS_TIME
727 # include <sys/time.h>
730 # ifdef TM_IN_SYS_TIME
731 # include <sys/time.h>
737 AC_CHECK_MEMBERS(struct utmp.ut_type,,,[#include <utmp.h>])
739 AC_MSG_CHECKING(for union wait)
740 AC_CACHE_VAL(nmh_cv_union_wait, [dnl
741 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
742 #include <sys/wait.h>]],
743 [[union wait status; int pid; pid = wait (&status);
745 /* Some POSIXoid systems have both the new-style macros and the old
746 union wait type, and they do not work together. If union wait
747 conflicts with WEXITSTATUS et al, we don't want to use it at all. */
748 if (WEXITSTATUS (status) != 0) pid = -1;
750 /* If we have WEXITSTATUS and WTERMSIG, just use them on ints. */
751 -- blow chunks here --
755 /* Make sure union wait works with waitpid. */
756 pid = waitpid (-1, &status, 0);
759 [nmh_cv_union_wait=yes],
760 [nmh_cv_union_wait=no])])
761 if test "$nmh_cv_union_wait" = yes; then
762 AC_DEFINE(HAVE_UNION_WAIT, 1,
763 [Define to 1 if you have the \`union wait' type in <sys/wait.h>.])
765 AC_MSG_RESULT($nmh_cv_union_wait)
767 CHECK_TYPE_STRUCT_DIRENT_D_TYPE()
772 dnl What style of signal do you have (POSIX, BSD, or SYSV)?
773 AH_TEMPLATE(RELIABLE_SIGNALS, [Define to 1 if you have reliable signals.])
774 AC_MSG_CHECKING(what style of signals to use)
775 if test $ac_cv_func_sigaction = yes -a $ac_cv_func_sigprocmask = yes; then
776 signals_style=POSIX_SIGNALS
777 AC_DEFINE(POSIX_SIGNALS, 1,
778 [Define to 1 if you use POSIX style signal handling.])
779 AC_DEFINE(RELIABLE_SIGNALS)
780 elif test $ac_cv_func_sigblock = yes -a $ac_cv_func_sigsetmask = yes; then
781 signals_style=BSD_SIGNALS
782 AC_DEFINE(BSD_SIGNALS,1,
783 [Define to 1 if you use BSD style signal handling (and can block signals).])
784 AC_DEFINE(RELIABLE_SIGNALS)
785 elif test $ac_cv_func_sighold = yes -a $ac_cv_func_sigrelse = yes; then
786 signals_style=SYSV_SIGNALS
787 AC_DEFINE(SYSV_SIGNALS,1,
788 [Define to 1 if you use SYSV style signal handling (and can block signals).])
790 signals_style=NO_SIGNAL_BLOCKING
791 AC_DEFINE(NO_SIGNAL_BLOCKING,1,
792 [Define to 1 if you have no signal blocking at all (bummer).])
795 AC_MSG_RESULT($signals_style)
797 dnl Where is <signal.h> located? Needed as input for signames.awk
798 AC_CACHE_CHECK(where signal.h is located, nmh_cv_path_signal_h,
799 [for SIGNAL_H in /usr/include/bsd/sys/signal.h dnl Next
800 /usr/include/asm/signal.h dnl Linux 1.3.0 and above
801 /usr/include/asm/signum.h dnl some versions of Linux/Alpha
802 /usr/include/linux/signal.h dnl Linux up to 1.2.11
803 /usr/include/sys/signal.h dnl Almost everybody else
804 /dev/null; dnl Just in case we fall through
806 test -f $SIGNAL_H && \
807 grep '#[ ]*define[ ][ ]*SIG[0-9A-Z]*[ ]*[0-9][0-9]*' $SIGNAL_H > /dev/null && \
810 nmh_cv_path_signal_h=$SIGNAL_H
812 SIGNAL_H=$nmh_cv_path_signal_h
813 AC_SUBST(SIGNAL_H)dnl
816 dnl OS SPECIFIC DEFINES
818 AH_TEMPLATE(SYS5, [Defined for Solaris 2.x, Irix, OSF/1, HP-UX, AIX, SCO5; only used in vmh.c which is not built.])
819 AH_TEMPLATE(SVR4, [Defined for Solaris 2.x, Irix, OSF/1, HP-UX, AIX; only used in vmh.c which is not built.])
820 AH_TEMPLATE(BSD44, [Defined for SunOS 4, FreeBSD, NetBSD, OpenBSD, BSD/OS, Mac OS X/Rhapsody; only used in vmh.c which is not built.])
821 AH_TEMPLATE(BSD42, [Defined for SunOS 4, FreeBSD, NetBSD, OpenBSD, BSD/OS, Mac OS X/Rhapsody -- does PicoBSD have uname?])
822 AH_TEMPLATE(SCO_5_STDIO, [Defined for SCO5.])
863 AC_DEFINE(SCO_5_STDIO)
871 AC_CONFIG_FILES(Makefile config/Makefile h/Makefile sbr/Makefile uip/Makefile \
872 etc/Makefile docs/Makefile man/Makefile)
873 AC_CONFIG_COMMANDS([stamp],[test -z "$CONFIG_HEADERS" || echo > stamp-h])
876 dnl These odd looking assignments are done to expand out unexpanded
877 dnl variables in bindir et al (for instance mandir is '${datarootdir}/man',
878 dnl but expanding that gives '${prefix}/share/man', so we need to expand
879 dnl again to get the final answer.
880 dnl We only use the expanded versions to print the install paths in
881 dnl the final summary and should use them nowhere else (see the autoconf
882 dnl docs for the rationale for bindir etc being unexpanded).
883 eval "nmhbin=${bindir}"; eval "nmhbin=${nmhbin}"
884 eval "nmhsysconf=${sysconfdir}"; eval "nmhsysconf=${nmhsysconf}"
885 eval "nmhlib=${libdir}"; eval "nmhlib=${nmhlib}"
886 eval "nmhman=${mandir}"; eval "nmhman=${nmhman}"
891 nmh version : AC_PACKAGE_VERSION
892 target os : ${target}
894 compiler flags : ${CFLAGS}
895 linker flags : ${LDFLAGS}
896 definitions : ${OURDEFS}
897 source code location : ${srcdir}
899 binary install path : ${nmhbin}
900 library install path : ${nmhlib}
901 config install path : ${nmhsysconf}
902 man page install path : ${nmhman}
904 default editor : ${editorpath}
905 default pager : ${pagerpath}
906 sendmail : ${sendmailpath}
908 backup prefix : ${backup_prefix}
909 file locking type : ${LOCKTYPE}
910 email address masq. : ${masquerade}