2 dnl configure.ac -- 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="$with_editor"
89 dnl What method of locking to use?
91 AS_HELP_STRING([--with-locking=@<:@dot|fcntl|flock|lockf@:>@],
92 [specify the file locking method]))
94 if test x"$with_locking" = x"dot"; then
96 AC_DEFINE(DOT_LOCKING, 1, [Define to use dot based file locking.])dnl
97 elif test x"$with_locking" = x"flock"; then
99 AC_DEFINE(FLOCK_LOCKING, 1, [Define to use flock() based locking.])dnl
100 elif test x"$with_locking" = x"lockf"; then
102 AC_DEFINE(LOCKF_LOCKING, 1, [Define to use lockf() based locking.])dnl
103 elif test x"$with_locking" = x"fcntl"; then
105 AC_DEFINE(FCNTL_LOCKING, 1, [Define to use fnctl() based locking.])dnl
108 AC_DEFINE(DOT_LOCKING)dnl
111 dnl What should be the default pager?
113 AS_HELP_STRING([--with-pager=PAGER],[specify the default pager]))
115 if test -n "$with_pager"; then
116 pagerpath="$with_pager"
119 dnl ----------------------------------------------------
120 dnl Default location is /usr/local/mmh/{bin,etc,lib,share/man}
121 dnl ----------------------------------------------------
122 AC_PREFIX_DEFAULT(/usr/local/mmh)
125 dnl ------------------
126 dnl CHECK THE COMPILER
127 dnl ------------------
128 dnl We want these before the checks,
129 dnl so the checks can modify their values.
130 test -z "$CFLAGS" && CFLAGS= auto_cflags=1
131 if test x"$enable_debug" = x"yes"; then
132 test -z "$LDFLAGS" && LDFLAGS=-g
137 AC_CACHE_CHECK(whether compiler supports -Wno-pointer-sign, nmh_cv_has_noptrsign,
138 [nmh_saved_cflags="$CFLAGS"
139 CFLAGS="$CFLAGS -Wno-pointer-sign"
140 AC_TRY_COMPILE([],[],nmh_cv_has_noptrsign=yes,nmh_cv_has_noptrsign=no)
141 CFLAGS="$nmh_saved_cflags"])
143 dnl if the user hasn't specified CFLAGS, then
144 dnl if compiler is gcc, then
145 dnl use -O2 and some warning flags
147 dnl We use -Wall; if the compiler supports it we also use -Wno-pointer-sign,
148 dnl because gcc 4 now produces a lot of new warnings which are probably mostly
149 dnl spurious and which in any case we don't want to deal with now.
150 if test "$nmh_cv_has_noptrsign" = "yes"; then
151 nmh_gcc_warnflags="-Wall -Wno-pointer-sign"
153 nmh_gcc_warnflags="-Wall"
156 if test -n "$auto_cflags"; then
157 if test x"$enable_debug" = x"yes"; then
158 if test -n "$GCC"; then
159 test -z "$CFLAGS" && CFLAGS="$nmh_gcc_warnflags -g" || CFLAGS="$CFLAGS $nmh_gcc_warnflags -g"
161 test -z "$CFLAGS" && CFLAGS=-g || CFLAGS="$CFLAGS -g"
164 if test -z "$LDFLAGS"; then
174 if test -n "$GCC"; then
175 test -z "$CFLAGS" && CFLAGS="$nmh_gcc_warnflags -O2" || CFLAGS="$CFLAGS $nmh_gcc_warnflags -O2"
177 test -z "$CFLAGS" && CFLAGS=-O || CFLAGS="$CFLAGS -O"
182 AC_C_CONST dnl Does compiler support `const'.
184 dnl ------------------
185 dnl CHECK FOR PROGRAMS
186 dnl ------------------
187 AC_PROG_MAKE_SET dnl Does make define $MAKE
188 AC_PROG_INSTALL dnl Check for BSD compatible `install'
189 AC_PROG_RANLIB dnl Check for `ranlib'
190 AC_PROG_AWK dnl Check for mawk,gawk,nawk, then awk
191 AC_PROG_LEX dnl Check for lex/flex
194 pathtmp=/usr/bin:/bin:/usr/local/bin:/usr/xpg4/bin:/usr/ucb
195 AC_PATH_PROG(cutpath, cut, no, [$pathtmp])
197 dnl ----------------------------------------------
198 dnl check for lclint, and lint if it doesn't exist
199 dnl ----------------------------------------------
200 AC_CHECK_PROG(linttmp1, lclint, lclint, no)dnl
201 if test x$ac_cv_prog_linttmp1 != xno ; then
202 LINT=$ac_cv_prog_linttmp1
203 LINTFLAGS="-weak +posixlib -macrovarprefixexclude"
205 AC_CHECK_PROG(linttmp2, lint, lint, no)dnl
206 if test x$ac_cv_prog_linttmp2 != xno ; then
207 LINT=$ac_cv_prog_linttmp2
210 LINT="echo 'No lint program found'"
215 AC_SUBST(LINTFLAGS)dnl
217 dnl try to figure out which one we've got
218 AC_CHECK_PROG(LIBTOOL, libtool, libtool, , [$pathtmp])
221 dnl Check for lorder and tsort commands
222 AC_CHECK_PROG(LORDER, lorder, lorder, no)dnl
223 AC_CHECK_PROG(TSORT, tsort, tsort, no)dnl
225 dnl If either doesn't exist, replace them with echo and cat
226 if test x$ac_cv_prog_LORDER != xlorder -o x$ac_cv_prog_TSORT != xtsort; then
231 dnl Mac OS X has lorder, but sh is too broken for it to work
232 dnl elif test -z "`lorder config/config.c 2>&1 | grep config/config.c`" ; then
235 dnl AC_SUBST(LORDER)dnl
236 dnl AC_SUBST(TSORT)dnl
239 dnl Check whether tsort can deal with loops
240 AC_CACHE_CHECK(whether tsort can deal with loops, nmh_cv_tsort_loop,
241 [if test -z "`echo a b b a | tsort 2>/dev/null | grep a`" ; then
244 nmh_cv_tsort_loop=yes
246 if test x$nmh_cv_tsort_loop = xno ; then
254 pathtmp=/usr/bin:/bin:/usr/local/bin:/usr/xpg4/bin:/usr/ucb
255 AC_PATH_PROG(lspath, ls, no, [$pathtmp])
257 dnl See how we get ls to display the owner and the group
258 if test "$lspath" != "no"; then
259 AC_CACHE_CHECK(how to get ls to show us the group ownership of a file,
261 [if test x"`$lspath -dl / | $AWK '{print $9}'`" = x"/"; then
262 dnl There were 9 parameters, so unless this is a really bizarre, nonstandard
263 dnl ls, it would seem -l gave us both the user and group. On this type of
264 dnl ls, -g makes _only_ the group be displayed (and not the user).
265 nmh_cv_ls_grpopt="-l"
267 dnl Looks like -l only gave us the user, so we need -g to get the group too.
268 nmh_cv_ls_grpopt="-lg"
273 pathtmp=/usr/bin:/bin:/usr/ucb:/usr/local/bin
274 AC_PATH_PROG(morepath, more, no, [$pathtmp])
276 dnl If pager is not specified yet,
277 dnl then use `more' as the default.
278 if test -z "$pagerpath"; then
279 pagerpath="$morepath"
281 AC_SUBST(pagerpath)dnl
283 dnl Look for `sendmail'
284 pathtmp=/usr/lib:/usr/sbin:/usr/etc:/usr/ucblib:/usr/bin:/bin
285 AC_PATH_PROG(sendmailpath, sendmail, /usr/sbin/sendmail, [$pathtmp])
288 pathtmp=/usr/bin:/bin:/usr/ucb:/usr/local/bin
289 AC_PATH_PROG(vipath, vi, /bin/vi, [$pathtmp])
291 dnl If editor is not specified yet,
292 dnl then use `vi' as the default.
293 if test -z "$editorpath"; then
296 AC_SUBST(editorpath)dnl
298 dnl ----------------------------------------------------------
299 dnl FIND MAIL SPOOL AND SEE IF WE NEED TO MAKE inc SETGID MAIL
300 dnl ----------------------------------------------------------
301 AC_CACHE_CHECK(where mail spool is located, nmh_cv_mailspool,
302 [for mailspool in /var/mail dnl
305 /dev/null; dnl Just in case we fall through
307 test -d $mailspool && break
309 nmh_cv_mailspool=$mailspool
311 mailspool=$nmh_cv_mailspool
312 AC_SUBST(mailspool)dnl
314 dnl See whether the mail spool directory is world-writable.
315 if test "$lspath" != "no" -a "$cutpath" != "no"; then
316 AC_CACHE_CHECK(whether the mail spool is world-writable,
317 nmh_cv_mailspool_world_writable,
318 [if test "`$lspath -dlL $mailspool | $cutpath -c9`" = "-"; then
319 nmh_cv_mailspool_world_writable=no
321 nmh_cv_mailspool_world_writable=yes
325 dnl Also, check for liblockfile (as found on Debian systems)
326 AC_CHECK_HEADER(lockfile.h, AC_CHECK_LIB(lockfile, lockfile_create) )
328 dnl and whether its companion program dotlockfile is setgid
329 AC_PATH_PROG(dotlockfilepath, dotlockfile, no)
330 if test "$ac_cv_lib_lockfile_lockfile_create" != "no" ; then
331 if test "$ac_cv_path_dotlockfilepath" != "no" ; then
332 AC_CACHE_CHECK(whether dotlockfile is setgid, nmh_cv_dotlockfile_setgid,
333 [ if test -g "$ac_cv_path_dotlockfilepath" ; then
334 nmh_cv_dotlockfile_setgid=yes
336 nmh_cv_dotlockfile_setgid=no
341 dnl If mailspool is not world-writable and dotlockfile is not setgid,
342 dnl we need to #define MAILGROUP to 1 and make inc setgid.
343 if test x"$LOCKTYPE" = x"dot" -a x"$nmh_cv_mailspool_world_writable" = x"no" -a x"$nmh_cv_dotlockfile_setgid" != x"yes" ; then
344 dnl do we really need both of these?
345 AC_DEFINE(MAILGROUP,1,
346 [Define to 1 if you need to make `inc' set-group-id because your mail spool is not world writable. There are no guarantees as to the safety of doing this, but this #define will add some extra security checks.])dnl
349 AC_SUBST(SETGID_MAIL)dnl
351 dnl Use ls to see which group owns the mail spool directory.
352 AC_CACHE_CHECK(what group owns the mail spool, nmh_cv_ls_mail_grp,
353 [nmh_cv_ls_mail_grp=`$lspath -dL $nmh_cv_ls_grpopt $mailspool|$AWK '{print $4}'`
355 MAIL_SPOOL_GRP=$nmh_cv_ls_mail_grp
356 AC_SUBST(MAIL_SPOOL_GRP)dnl
358 dnl ------------------
359 dnl CHECK HEADER FILES
360 dnl ------------------
362 dnl On glibc we need to define at least the '_XOPEN_SOURCE' level of features,
363 dnl or wchar.h doesn't declare a prototype for wcwidth(). But if we only define
364 dnl that level then db.h won't compile. So we define _GNU_SOURCE which turns
365 dnl on everything. Perhaps other OSes need some feature switch set to get wcwidth()
366 dnl declared; if so they should have an entry added to this case statement.
367 dnl NB that we must define this on the compiler command line, not in config.h,
368 dnl because it must be set before any system header is included and there's no
369 dnl portable way to make sure that files generated by lex include config.h
370 dnl before system header files.
374 # Like DEFS, but doesn't get stomped on by configure when using config.h:
375 OURDEFS="$OURDEFS -D_GNU_SOURCE"
386 AC_CHECK_HEADERS(string.h memory.h stdlib.h unistd.h errno.h fcntl.h \
387 limits.h crypt.h termcap.h termio.h termios.h locale.h \
388 langinfo.h wchar.h wctype.h iconv.h netdb.h \
389 sys/param.h sys/time.h sys/utsname.h sys/stream.h \
390 arpa/inet.h arpa/ftp.h)
393 dnl Checks for _IO_write_ptr. A Linuxism used by nmh on linux. We
394 dnl really use a whole set of them, but this check should be
397 AC_CHECK_HEADER(libio.h, [
398 AC_EGREP_HEADER(_IO_write_ptr, libio.h, [
399 AC_DEFINE(LINUX_STDIO,1,[Use the Linux _IO_*_ptr defines from <libio.h>.]) ]) ])
401 AC_CHECK_HEADER([sys/ptem.h], AC_DEFINE(WINSIZE_IN_PTEM,1,
402 [Define to 1 if `struct winsize' requires <sys/ptem.h>.]),,
403 [[#if HAVE_SYS_STREAM_H
404 # include <sys/stream.h>
412 AC_CHECK_LIB(mkstemp,mkstemp)
413 AC_CHECK_FUNCS(waitpid wait3 sigaction sigprocmask sigblock sigsetmask \
414 sighold sigrelse writev lstat uname tzset killpg mkstemp \
415 getutent nl_langinfo mbtowc wcwidth)
417 dnl sigsetjmp may be a macro
418 AC_MSG_CHECKING(for sigsetjmp)
419 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <setjmp.h>]],
420 [[sigsetjmp((void *)0, 0);]])],[AC_DEFINE(HAVE_SIGSETJMP, 1,
421 [Define to 1 if you have the `sigsetjmp'.]) AC_MSG_RESULT(yes)],
424 AC_REPLACE_FUNCS(memmove snprintf strerror strdup)
426 dnl Look for the initgroups() declaration. On AIX 4.[13], Solaris 4.1.3, and
427 dnl ULTRIX 4.2A the function is defined in libc but there's no declaration in
428 dnl any system header.
430 dnl On Solaris 2.[456], the declaration is in <grp.h>. On HP-UX 9-11 and
431 dnl (reportedly) FreeBSD 3.[23], it's in <unistd.h>. Any other locations we
433 AH_TEMPLATE(INITGROUPS_HEADER, [Define to the header containing the declaration of `initgroups'.])
434 AC_EGREP_HEADER(initgroups, grp.h, AC_DEFINE(INITGROUPS_HEADER, <grp.h>),
435 AC_EGREP_HEADER(initgroups, unistd.h,
436 AC_DEFINE(INITGROUPS_HEADER, <unistd.h>)))
438 dnl On AIX 4.1, snprintf() is defined in libc.a but there's no prototype in
439 dnl <stdio.h> or elsewhere. Apparently it's not officially supported (though it
440 dnl seems to work perfectly and IBM apparently uses it in internal code).
441 dnl Anyhow, if we omit our own snprintf() and vsnprintf() prototypes when we
442 dnl HAVE_SNPRINTF, we get a billion warnings at compile time. Use the C
443 dnl preprocessor to preprocess stdio.h and make sure that there's actually a
445 AC_EGREP_HEADER(snprintf, stdio.h, AC_DEFINE(HAVE_SNPRINTF_PROTOTYPE,1,
446 [Define to 1 if <stdio.h> has a prototype for snprintf().]))
448 dnl Check for multibyte character set support
449 if test "x$ac_cv_header_wchar_h" = "xyes" -a "x$ac_cv_header_wctype_h" = "xyes" \
450 -a "x$ac_cv_func_wcwidth" = "xyes" -a "x$ac_cv_func_mbtowc" = "xyes"; then
451 AC_DEFINE(MULTIBYTE_SUPPORT, 1,
452 [Define to enable support for multibyte character sets.])
455 dnl -------------------
456 dnl CHECK FOR LIBRARIES
457 dnl -------------------
458 dnl Check location of modf
459 AC_CHECK_FUNC(modf, , AC_CHECK_LIB(m, modf))
461 dnl Checks for network libraries (nsl, socket)
464 termcap_curses_order="termcap curses ncurses"
465 for lib in $termcap_curses_order; do
466 AC_CHECK_LIB(${lib}, tgetent, [TERMLIB="-l$lib"; break])
474 dnl Find iconv. It may be in libiconv and may be iconv() or libiconv()
475 if test "x$ac_cv_header_iconv_h" = "xyes"; then
476 AC_CHECK_FUNC(iconv, ac_found_iconv=yes, ac_found_iconv=no)
477 if test "x$ac_found_iconv" = "xno"; then
478 AC_CHECK_LIB(iconv, iconv, ac_found_iconv=yes)
479 if test "x$ac_found_iconv" = "xno"; then
480 AC_CHECK_LIB(iconv, libiconv, ac_found_iconv=yes)
482 if test "x$ac_found_iconv" != "xno"; then
486 dnl Handle case where there is a native iconv but iconv.h is from libiconv
487 AC_CHECK_DECL(_libiconv_version,
488 [ AC_CHECK_LIB(iconv, libiconv, LIBS="-liconv $LIBS") ],,
489 [ #include <iconv.h> ])
492 if test "x$ac_found_iconv" = xyes; then
493 AC_DEFINE(HAVE_ICONV, 1, [Define if you have the iconv() function.])
496 dnl Check if iconv uses const in prototype declaration
497 if test "x$ac_found_iconv" = "xyes"; then
498 AC_CACHE_CHECK(for iconv declaration, ac_cv_iconv_const,
499 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdlib.h>
500 #include <iconv.h>]],
504 #if defined(__STDC__) || defined(__cplusplus)
505 size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
509 [ac_cv_iconv_const=],
510 [ac_cv_iconv_const=const])])
511 AC_DEFINE_UNQUOTED([ICONV_CONST], $ac_cv_iconv_const,
512 [Define as const if the declaration of iconv() needs const.])
519 AC_ARG_WITH([ndbm],AS_HELP_STRING([--with-ndbm=ARG],[use -lARG to link with ndbm]),
520 [nmh_ndbm=$withval],[nmh_ndbm=autodetect])
521 AC_ARG_WITH([ndbmheader],AS_HELP_STRING([--with-ndbmheader=ARG],[#include <ARG> to use ndbm]),
522 [nmh_ndbmheader=$withval],[nmh_ndbmheader=autodetect])
524 if test "$nmh_ndbm" = "autodetect"; then
525 if test "$nmh_ndbmheader" != "autodetect"; then
526 AC_MSG_ERROR([must specify both --with-ndbm and --with-ndbmheader or neither])
529 dnl There are at least four implementations of ndbm, and
530 dnl several of those can be in different places at the whim
531 dnl of the system integrator. A good summary of this mess
532 dnl can be found at http://www.unixpapa.com/incnote/dbm.html
534 dnl Classic ndbm with no library required (eg NetBSD): try this
535 dnl first so we don't accidentally link in a pointless but harmless
536 dnl library in one of the later ndbm.h+libfoo tests:
537 NMH_CHECK_NDBM(ndbm.h,,,
538 dnl Berkeley DBv2 emulating ndbm: header in db.h:
539 NMH_CHECK_NDBM(db.h,db,,
540 dnl Berkeley DBv1 emulating ndbm:
541 NMH_CHECK_NDBM(ndbm.h,db,,
542 NMH_CHECK_NDBM(ndbm.h,db1,,
544 NMH_CHECK_NDBM(ndbm.h,ndbm,,
545 dnl glibc2.1 systems put db1 in a subdir:
546 NMH_CHECK_NDBM(db1/ndbm.h,db1,,
547 dnl GNU gdbm emulating ndbm, with header possibly in gdbm/
548 dnl and possibly needing gbdm_compat library:
549 NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm,,
550 NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm_compat -lgdbm,,
551 NMH_CHECK_NDBM(ndbm.h,gdbm,,
552 NMH_CHECK_NDBM(ndbm.h,gdbm_compat -lgdbm))))))))))
556 dnl We don't really need to check that the user-specified values work,
557 dnl but it is a convenience to the user to bomb out early rather than
558 dnl after configure and half the compile process.
559 NMH_CHECK_NDBM([$nmh_ndbmheader],[$nmh_ndbm])
562 if test "$nmh_ndbm_found" = "no"; then
563 AC_MSG_ERROR([could not find a working ndbm library/header combination])
565 dnl Now export the lib/header to our makefile/config.h:
566 if test x"$nmh_ndbmheader" != x; then
567 AC_DEFINE_UNQUOTED(NDBM_HEADER, <$nmh_ndbmheader>,
568 [Define to the header containing the ndbm API prototypes.])
570 if test x"$nmh_ndbm" != x; then
571 NDBM_LIBS="-l$nmh_ndbm"
579 dnl ---------------------
580 dnl CHECK TERMCAP LIBRARY
581 dnl ---------------------
583 dnl Add the termcap library, so that the following configure
584 dnl tests will find it when it tries to link test programs.
585 nmh_save_LIBS="$LIBS"
586 LIBS="$TERMLIB $LIBS"
588 dnl Checks for external variable ospeed in the termcap library.
589 AC_CACHE_CHECK(if an include file defines ospeed,
590 nmh_cv_decl_ospeed_include_defines,
591 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
597 #endif]], [[ospeed = 0;]])],
598 nmh_cv_decl_ospeed_include_defines=yes,nmh_cv_decl_ospeed_include_defines=no)])
600 if test $nmh_cv_decl_ospeed_include_defines = no; then
601 AC_CACHE_CHECK(if you must define ospeed,
602 nmh_cv_decl_ospeed_must_define,
603 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
604 [[extern short ospeed; ospeed = 0;]])],
605 nmh_cv_decl_ospeed_must_define=yes,nmh_cv_decl_ospeed_must_define=no)])
608 AH_TEMPLATE(HAVE_OSPEED, [Define to 1 if your termcap library has the ospeed variable.])
609 if test $nmh_cv_decl_ospeed_include_defines = yes; then
610 AC_DEFINE(HAVE_OSPEED)dnl
611 elif test $nmh_cv_decl_ospeed_must_define = yes; then
612 AC_DEFINE(HAVE_OSPEED)
613 AC_DEFINE(MUST_DEFINE_OSPEED, 1,
614 [Define to 1 if you have ospeed, but it is not defined in termcap.h.])
617 dnl Check if tgetent accepts NULL (and will allocate its own termcap buffer)
618 dnl Some termcaps reportedly accept a zero buffer, but then dump core
620 dnl Under Cygwin test program crashes but exit code is still 0. So,
621 dnl we test for a file that porgram should create
622 AH_TEMPLATE([TGETENT_ACCEPTS_NULL],
623 [Define to 1 if tgetent() accepts NULL as a buffer.])
624 AC_CACHE_CHECK(if tgetent accepts NULL,
625 nmh_cv_func_tgetent_accepts_null,
630 int r1 = tgetent(buf, "vt100");
631 int r2 = tgetent((char*)0,"vt100");
632 if (r1 >= 0 && r1 == r2) {
636 creat("conftest.tgetent", 0640);
638 exit((r1 != r2) || r2 == -1);
641 if test -f conftest.tgetent; then
642 nmh_cv_func_tgetent_accepts_null=yes
644 nmh_cv_func_tgetent_accepts_null=no
646 nmh_cv_func_tgetent_accepts_null=no,
647 nmh_cv_func_tgetent_accepts_null=no)])
648 if test x$nmh_cv_func_tgetent_accepts_null = xyes; then
649 AC_DEFINE(TGETENT_ACCEPTS_NULL)
651 AC_CACHE_CHECK(if tgetent returns 0 on success,
652 nmh_cv_func_tgetent_zero_success,
657 int r1 = tgetent(buf, "!@#$%^&*");
658 int r2 = tgetent(buf, "vt100");
659 if (r1 < 0 && r2 == 0) {
663 creat("conftest.tgetent0", 0640);
668 if test -f conftest.tgetent0; then
669 nmh_cv_func_tgetent_zero_success=yes
671 nmh_cv_func_tgetent_zero_success=no
673 nmh_cv_func_tgetent_zero_success=no,
674 nmh_cv_func_tgetent_zero_success=no)])
675 AH_TEMPLATE([TGETENT_SUCCESS],
676 [Define to what tgetent() returns on success (0 on HP-UX X/Open curses).])
677 if test x$nmh_cv_func_tgetent_zero_success = xyes; then
678 AC_DEFINE(TGETENT_SUCCESS, 0)
680 AC_DEFINE(TGETENT_SUCCESS, 1)
683 dnl Now put the libraries back to what it was before we
684 dnl starting checking the termcap library.
685 LIBS="$nmh_save_LIBS"
697 dnl Check for sigset_t. Currently I'm looking in
698 dnl <sys/types.h> and <signal.h>. Others might need
700 AC_CACHE_CHECK(for sigset_t, nmh_cv_type_sigset_t,
701 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
702 #include <signal.h>]], [[sigset_t tempsigset;]])],
703 nmh_cv_type_sigset_t=yes,nmh_cv_type_sigset_t=no)])
704 if test $nmh_cv_type_sigset_t = no; then
705 AC_DEFINE(sigset_t, unsigned int,
706 [Define to `unsigned int' if <sys/types.h> or <signal.h> doesn't define.])
712 AC_CHECK_MEMBERS(struct stat.st_blksize)
714 AC_CHECK_MEMBERS(struct tm.tm_gmtoff,,,
715 [#ifdef TIME_WITH_SYS_TIME
716 # include <sys/time.h>
719 # ifdef TM_IN_SYS_TIME
720 # include <sys/time.h>
726 AC_CHECK_MEMBERS(struct utmp.ut_type,,,[#include <utmp.h>])
728 AC_MSG_CHECKING(for union wait)
729 AC_CACHE_VAL(nmh_cv_union_wait, [dnl
730 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
731 #include <sys/wait.h>]],
732 [[union wait status; int pid; pid = wait (&status);
734 /* Some POSIXoid systems have both the new-style macros and the old
735 union wait type, and they do not work together. If union wait
736 conflicts with WEXITSTATUS et al, we don't want to use it at all. */
737 if (WEXITSTATUS (status) != 0) pid = -1;
739 /* If we have WEXITSTATUS and WTERMSIG, just use them on ints. */
740 -- blow chunks here --
744 /* Make sure union wait works with waitpid. */
745 pid = waitpid (-1, &status, 0);
748 [nmh_cv_union_wait=yes],
749 [nmh_cv_union_wait=no])])
750 if test "$nmh_cv_union_wait" = yes; then
751 AC_DEFINE(HAVE_UNION_WAIT, 1,
752 [Define to 1 if you have the \`union wait' type in <sys/wait.h>.])
754 AC_MSG_RESULT($nmh_cv_union_wait)
756 CHECK_TYPE_STRUCT_DIRENT_D_TYPE()
761 dnl What style of signal do you have (POSIX, BSD, or SYSV)?
762 AH_TEMPLATE(RELIABLE_SIGNALS, [Define to 1 if you have reliable signals.])
763 AC_MSG_CHECKING(what style of signals to use)
764 if test $ac_cv_func_sigaction = yes -a $ac_cv_func_sigprocmask = yes; then
765 signals_style=POSIX_SIGNALS
766 AC_DEFINE(POSIX_SIGNALS, 1,
767 [Define to 1 if you use POSIX style signal handling.])
768 AC_DEFINE(RELIABLE_SIGNALS)
769 elif test $ac_cv_func_sigblock = yes -a $ac_cv_func_sigsetmask = yes; then
770 signals_style=BSD_SIGNALS
771 AC_DEFINE(BSD_SIGNALS,1,
772 [Define to 1 if you use BSD style signal handling (and can block signals).])
773 AC_DEFINE(RELIABLE_SIGNALS)
774 elif test $ac_cv_func_sighold = yes -a $ac_cv_func_sigrelse = yes; then
775 signals_style=SYSV_SIGNALS
776 AC_DEFINE(SYSV_SIGNALS,1,
777 [Define to 1 if you use SYSV style signal handling (and can block signals).])
779 signals_style=NO_SIGNAL_BLOCKING
780 AC_DEFINE(NO_SIGNAL_BLOCKING,1,
781 [Define to 1 if you have no signal blocking at all (bummer).])
784 AC_MSG_RESULT($signals_style)
786 dnl Where is <signal.h> located? Needed as input for signames.awk
787 AC_CACHE_CHECK(where signal.h is located, nmh_cv_path_signal_h,
788 [for SIGNAL_H in /usr/include/bsd/sys/signal.h dnl Next
789 /usr/include/asm/signal.h dnl Linux 1.3.0 and above
790 /usr/include/asm/signum.h dnl some versions of Linux/Alpha
791 /usr/include/linux/signal.h dnl Linux up to 1.2.11
792 /usr/include/sys/signal.h dnl Almost everybody else
793 /dev/null; dnl Just in case we fall through
795 test -f $SIGNAL_H && \
796 grep '#[ ]*define[ ][ ]*SIG[0-9A-Z]*[ ]*[0-9][0-9]*' $SIGNAL_H > /dev/null && \
799 nmh_cv_path_signal_h=$SIGNAL_H
801 SIGNAL_H=$nmh_cv_path_signal_h
802 AC_SUBST(SIGNAL_H)dnl
805 dnl OS SPECIFIC DEFINES
807 AH_TEMPLATE(SYS5, [Defined for Solaris 2.x, Irix, OSF/1, HP-UX, AIX, SCO5; only used in vmh.c which is not built.])
808 AH_TEMPLATE(SVR4, [Defined for Solaris 2.x, Irix, OSF/1, HP-UX, AIX; only used in vmh.c which is not built.])
809 AH_TEMPLATE(BSD44, [Defined for SunOS 4, FreeBSD, NetBSD, OpenBSD, BSD/OS, Mac OS X/Rhapsody; only used in vmh.c which is not built.])
810 AH_TEMPLATE(BSD42, [Defined for SunOS 4, FreeBSD, NetBSD, OpenBSD, BSD/OS, Mac OS X/Rhapsody -- does PicoBSD have uname?])
811 AH_TEMPLATE(SCO_5_STDIO, [Defined for SCO5.])
852 AC_DEFINE(SCO_5_STDIO)
860 AC_CONFIG_FILES(Makefile config/Makefile h/Makefile sbr/Makefile uip/Makefile \
861 etc/Makefile docs/Makefile man/Makefile)
862 AC_CONFIG_COMMANDS([stamp],[test -z "$CONFIG_HEADERS" || echo > stamp-h])
865 dnl These odd looking assignments are done to expand out unexpanded
866 dnl variables in bindir et al (for instance mandir is '${datarootdir}/man',
867 dnl but expanding that gives '${prefix}/share/man', so we need to expand
868 dnl again to get the final answer.
869 dnl We only use the expanded versions to print the install paths in
870 dnl the final summary and should use them nowhere else (see the autoconf
871 dnl docs for the rationale for bindir etc being unexpanded).
872 eval "nmhbin=${bindir}"; eval "nmhbin=${nmhbin}"
873 eval "nmhsysconf=${sysconfdir}"; eval "nmhsysconf=${nmhsysconf}"
874 eval "nmhlib=${libdir}"; eval "nmhlib=${nmhlib}"
875 eval "nmhman=${mandir}"; eval "nmhman=${nmhman}"
880 nmh version : AC_PACKAGE_VERSION
881 target os : ${target}
883 compiler flags : ${CFLAGS}
884 linker flags : ${LDFLAGS}
885 definitions : ${OURDEFS}
886 source code location : ${srcdir}
888 binary install path : ${nmhbin}
889 library install path : ${nmhlib}
890 config install path : ${nmhsysconf}
891 man page install path : ${nmhman}
893 default editor : ${editorpath}
894 default pager : ${pagerpath}
895 sendmail : ${sendmailpath}
897 file locking type : ${LOCKTYPE}
898 email address masq. : ${masquerade}