2 dnl configure.ac -- autoconf template for nmh
8 AC_INIT([nmh], m4_normalize(m4_include([VERSION])), [nmh-workers@nongnu.org])
9 AC_CONFIG_SRCDIR([h/nmh.h])
10 AC_CONFIG_HEADER([config.h])
11 AM_INIT_AUTOMAKE([-Wall -Werror foreign subdir-objects])
15 AC_MSG_NOTICE([configuring for AC_PACKAGE_NAME-AC_PACKAGE_VERSION])
16 AC_SUBST(VERSION,AC_PACKAGE_VERSION)dnl
18 dnl What date of nmh are we building?
19 DATE=`cat ${srcdir}/DATE`
20 AC_MSG_NOTICE([configuring for nmh dated $DATE])
23 dnl --------------------------
24 dnl CHECK COMMAND LINE OPTIONS
25 dnl --------------------------
27 dnl Do you want to debug nmh?
28 AC_ARG_ENABLE([debug],
29 AS_HELP_STRING([--enable-debug],[enable nmh code debugging]))
30 dnl The old redundant --enable-nmh-debug is deprecated and undocumented.
31 AS_IF([test x"$enable_nmh_debug" = x"yes"], [enable_debug=yes])
33 dnl Allow users to send email from addresses other than their default?
34 AC_ARG_ENABLE(masquerade,
35 AS_HELP_STRING([--enable-masquerade='draft_from mmailid username_extension'],
36 [enable up to 3 types of address masquerading]),
37 [AS_IF([test x"$enable_masquerade" = x"yes"],
38 [masquerade="draft_from mmailid username_extension"],
39 [masquerade="$enable_masquerade"])],
40 [masquerade="draft_from mmailid username_extension"])
41 AC_SUBST(masquerade)dnl
43 dnl Do you want to disable use of locale functions
45 [Undefine if you don't want locale features. By default this is defined.])
46 AC_ARG_ENABLE([locale],
47 [AC_HELP_STRING([--disable-locale], [turn off locale features])],
48 [AS_IF([test x$enableval = xyes], [AC_DEFINE(LOCALE)])],
51 dnl Do you want client-side support for using SASL for authentication?
52 dnl Note that this code will be enabled for both POP and SMTP
53 AC_ARG_WITH([cyrus-sasl], AS_HELP_STRING([--with-cyrus-sasl],
54 [Enable SASL support via the Cyrus SASL library]))
55 AS_IF([test x"$with_cyrus_sasl" != x -a x"$with_cyrus_sasl" != x"no"],[
56 AC_DEFINE([CYRUS_SASL], [1],
57 [Define to use the Cyrus SASL library for authentication of POP and SMTP.])dnl
58 AS_IF([test x"$with_cyrus_sasl" != xyes],[
59 AC_MSG_WARN([Arguments to --with-cyrus-sasl now ignored])
60 AC_MSG_WARN([Please pass the appropriate arguments to CPPFLAGS/LDFLAGS])])
61 sasl_support=yes], [sasl_support=no])
63 dnl Do you want client-side support for encryption with TLS?
64 AC_ARG_WITH([tls], AS_HELP_STRING([--with-tls], [Enable TLS support]))
65 AS_IF([test x"$with_tls" != x -a x"$with_tls" != x"no"],[
66 AC_DEFINE([TLS_SUPPORT], [1], [Support TLS for session encryption.])dnl
67 tls_support=yes],[tls_support=no])
69 dnl What should be the default editor?
71 AS_HELP_STRING([--with-editor=EDITOR],[specify the default editor]))
73 AS_IF([test -n "$with_editor"], [editorpath="$with_editor"])
75 dnl Set the backup prefix
76 AC_ARG_WITH([hash-backup],
77 AS_HELP_STRING([--with-hash-backup],[use # as the backup prefix (default: ,)]))
78 AS_IF([test x"$with_hash_backup" != x -a x"$with_hash_backup" != x"no"],
79 [backup_prefix="#"], [backup_prefix=","])
80 AC_DEFINE_UNQUOTED([BACKUP_PREFIX], "$backup_prefix",
81 [The prefix that is prepended to the name of message files when they are "removed" by rmm. This should typically be `,' or `#'.])dnl
83 dnl What method of locking to use?
85 AS_HELP_STRING([--with-locking=@<:@dot|fcntl|flock|lockf@:>@],
86 [specify the file locking method]))
88 if test x"$with_locking" = x"dot"; then
90 AC_DEFINE(DOT_LOCKING, 1, [Define to use dot based file locking.])dnl
91 elif test x"$with_locking" = x"flock"; then
93 AC_DEFINE(FLOCK_LOCKING, 1, [Define to use flock() based locking.])dnl
94 elif test x"$with_locking" = x"lockf"; then
96 AC_DEFINE(LOCKF_LOCKING, 1, [Define to use lockf() based locking.])dnl
97 elif test x"$with_locking" = x"fcntl"; then
99 AC_DEFINE(FCNTL_LOCKING, 1, [Define to use fnctl() based locking.])dnl
102 AC_DEFINE(DOT_LOCKING)dnl
105 dnl Should we use a locking directory?
106 AC_ARG_ENABLE([lockdir], [
107 AS_HELP_STRING([--enable-lockdir=dir], [Store dot-lock files in "dir"])], [
108 AS_IF([test "x$enableval" = xyes],[
109 AC_MSG_ERROR([--enable-lockdir requires an argument])])
110 AS_IF([test "x$LOCKTYPE" != xdot],[
111 AC_MSG_ERROR([Can only use --enable-lockdir with dot locking])])
112 AC_DEFINE_UNQUOTED([LOCKDIR], ["$enableval"],
113 [Directory to store dot-locking lock files])
116 dnl What method of posting should post use?
118 AS_HELP_STRING([--with-mts=@<:@smtp|sendmail@:>@],
119 [specify the default mail transport agent/service]))
121 AS_IF([test x"$with_mts" = x"smtp"], [MTS="smtp"],
122 [test x"$with_mts" = x"sendmail"], [MTS="sendmail"],
126 dnl Both the smtp and sendmail mail transport services use the smtp code
127 AC_DEFINE([SMTPMTS], [1],
128 [Define if you want SMTP (simple mail transport protocol) support.])dnl
130 dnl What should be the default pager?
132 AS_HELP_STRING([--with-pager=PAGER],[specify the default pager]))
134 AS_IF([test -n "$with_pager"], [pagerpath="$with_pager"])
136 dnl What should be the default mail server(s)?
137 AC_ARG_WITH(smtpservers,
138 AS_HELP_STRING([--with-smtpservers='SMTPSERVER1@<:@ SMTPSERVER2...@:>@'],
139 [specify the default SMTP server(s) @<:@localhost@:>@]))
140 AS_IF([test -n "$with_smtpservers"], [smtpservers="$with_smtpservers"],
141 [smtpservers="localhost"])
142 AC_SUBST([smtpservers])dnl
144 dnl ----------------------------------------------------
145 dnl Default location is /usr/local/nmh/{bin,etc,lib,man}
146 dnl ----------------------------------------------------
147 AC_PREFIX_DEFAULT([/usr/local/nmh])
149 dnl ------------------
150 dnl CHECK THE COMPILER
151 dnl ------------------
152 dnl We want these before the checks,
153 dnl so the checks can modify their values.
154 test -z "$CFLAGS" && CFLAGS= auto_cflags=1
155 if test x"$enable_debug" = x"yes"; then
156 test -z "$LDFLAGS" && LDFLAGS=-g
162 AC_CACHE_CHECK([whether preprocessor supports -Wunused-macros],
163 [nmh_cv_has_unusedmacros],
164 [nmh_saved_cppflags="$CPPFLAGS"
165 CPPFLAGS="$CPPFLAGS -Wunused-macros -Wno-unused-macros"
166 AC_TRY_COMPILE([],[],nmh_cv_has_unusedmacros=yes,nmh_cv_has_unusedmacros=no)
167 CPPFLAGS="$nmh_saved_cppflags"])
169 if test "$nmh_cv_has_unusedmacros" = 'yes'; then
170 test -z "$CPPFLAGS" && CPPFLAGS=-Wunused-macros \
171 || CPPFLAGS="$CPPFLAGS -Wunused-macros"
172 DISABLE_UNUSED_MACROS_WARNING=-Wno-unused-macros
174 AC_SUBST(DISABLE_UNUSED_MACROS_WARNING)dnl
176 AC_CACHE_CHECK([whether compiler supports -Wextra], [nmh_cv_has_wextra],
177 [nmh_saved_cflags="$CFLAGS"
178 CFLAGS="$CFLAGS -Wextra -Wno-clobbered"
179 AC_TRY_COMPILE([],[],nmh_cv_has_wextra=yes,nmh_cv_has_wextra=no)
180 CFLAGS="$nmh_saved_cflags"])
182 AC_CACHE_CHECK([whether compiler supports -Wno-pointer-sign], [nmh_cv_has_noptrsign],
183 [nmh_saved_cflags="$CFLAGS"
184 CFLAGS="$CFLAGS -Wno-pointer-sign"
185 AC_TRY_COMPILE([],[],nmh_cv_has_noptrsign=yes,nmh_cv_has_noptrsign=no)
186 CFLAGS="$nmh_saved_cflags"])
188 dnl if the user hasn't specified CFLAGS, then
189 dnl if compiler is gcc, then
190 dnl use -O2 and some warning flags
192 dnl We use -Wall and -Wextra if supported. If the compiler supports it we
193 dnl also use -Wno-pointer-sign, because gcc 4 now produces a lot of new
194 dnl warnings which are probably mostly spurious and which in any case we
195 dnl don't want to deal with now.
196 if test "$nmh_cv_has_noptrsign" = "yes"; then
197 if test "$nmh_cv_has_wextra" = "yes"; then
198 nmh_gcc_warnflags="-Wall -Wextra -Wno-clobbered -Wno-pointer-sign"
200 nmh_gcc_warnflags="-Wall -Wno-pointer-sign"
203 if test "$nmh_cv_has_wextra" = "yes"; then
204 nmh_gcc_warnflags="-Wall -Wextra -Wno-clobbered"
206 nmh_gcc_warnflags="-Wall"
210 if test -n "$auto_cflags"; then
211 if test x"$enable_debug" = x"yes"; then
212 if test -n "$GCC"; then
213 test -z "$CFLAGS" && CFLAGS="$nmh_gcc_warnflags -g" || CFLAGS="$CFLAGS $nmh_gcc_warnflags -g"
215 test -z "$CFLAGS" && CFLAGS=-g || CFLAGS="$CFLAGS -g"
218 if test -z "$LDFLAGS"; then
228 if test -n "$GCC"; then
229 test -z "$CFLAGS" && CFLAGS="$nmh_gcc_warnflags -O2" || CFLAGS="$CFLAGS $nmh_gcc_warnflags -O2"
231 test -z "$CFLAGS" && CFLAGS=-O || CFLAGS="$CFLAGS -O"
236 AC_C_CONST dnl Does compiler support `const'.
238 dnl ------------------
239 dnl CHECK FOR PROGRAMS
240 dnl ------------------
241 AC_PROG_MAKE_SET dnl Does make define $MAKE
242 AC_PROG_INSTALL dnl Check for BSD compatible `install'
243 AC_PROG_RANLIB dnl Check for `ranlib'
244 AC_PROG_AWK dnl Check for mawk,gawk,nawk, then awk
245 AC_PROG_SED dnl Check for Posix-compliant sed
246 AC_PROG_LEX dnl Check for lex/flex
249 pathtmp=/usr/bin:/bin:/usr/local/bin:/usr/xpg4/bin:/usr/ucb
250 AC_PATH_PROG(cutpath, cut, no, [$pathtmp])
252 dnl ----------------------------------------------
253 dnl check for lclint, and lint if it doesn't exist
254 dnl ----------------------------------------------
255 AC_CHECK_PROG(linttmp1, lclint, lclint, no)dnl
256 if test x$ac_cv_prog_linttmp1 != xno ; then
257 LINT=$ac_cv_prog_linttmp1
258 LINTFLAGS="-weak +posixlib -macrovarprefixexclude"
260 AC_CHECK_PROG(linttmp2, lint, lint, no)dnl
261 if test x$ac_cv_prog_linttmp2 != xno ; then
262 LINT=$ac_cv_prog_linttmp2
265 LINT="echo 'No lint program found'"
270 AC_SUBST([LINTFLAGS])dnl
273 pathtmp=/usr/bin:/bin:/usr/local/bin:/usr/xpg4/bin:/usr/ucb
274 AC_PATH_PROG([lspath], [ls], [no], [$pathtmp])
276 dnl See how we get ls to display the owner and the group
277 if test "$lspath" != "no"; then
278 AC_CACHE_CHECK([how to get ls to show us the group ownership of a file],
280 [if test x"`$lspath -dl / | $AWK '{print $9}'`" = x"/"; then
281 dnl There were 9 parameters, so unless this is a really bizarre, nonstandard
282 dnl ls, it would seem -l gave us both the user and group. On this type of
283 dnl ls, -g makes _only_ the group be displayed (and not the user).
284 nmh_cv_ls_grpopt="-l"
286 dnl Looks like -l only gave us the user, so we need -g to get the group too.
287 nmh_cv_ls_grpopt="-lg"
292 pathtmp=/usr/bin:/bin:/usr/ucb:/usr/local/bin
293 AC_PATH_PROG([morepath], [more], [no], [$pathtmp])
295 dnl If pager is not specified yet,
296 dnl then use `more' as the default.
297 if test -z "$pagerpath"; then
298 pagerpath="$morepath"
300 AC_SUBST(pagerpath)dnl
302 dnl Look for `sendmail'
303 pathtmp=/usr/lib:/usr/sbin:/usr/etc:/usr/ucblib:/usr/bin:/bin
304 AC_PATH_PROG([sendmailpath], [sendmail], [/usr/sbin/sendmail], [$pathtmp])
307 pathtmp=/usr/bin:/bin:/usr/ucb:/usr/local/bin
308 AC_PATH_PROG([vipath], [vi], [/bin/vi], [$pathtmp])
310 dnl If editor is not specified yet,
311 dnl then use `vi' as the default.
312 AS_IF([test -z "$editorpath"], [editorpath="$vipath"])
313 AC_SUBST([editorpath])dnl
315 dnl ----------------------------------------------------------
316 dnl FIND MAIL SPOOL AND SEE IF WE NEED TO MAKE inc SETGID MAIL
317 dnl ----------------------------------------------------------
318 AC_CACHE_CHECK(where mail spool is located, nmh_cv_mailspool,
319 [for mailspool in /var/mail dnl
322 /dev/null; dnl Just in case we fall through
324 test -d $mailspool && break
326 nmh_cv_mailspool=$mailspool
328 mailspool=$nmh_cv_mailspool
329 AC_SUBST([mailspool])dnl
331 dnl See whether the mail spool directory is world-writable.
332 if test "$lspath" != "no" -a "$cutpath" != "no"; then
333 AC_CACHE_CHECK(whether the mail spool is world-writable,
334 nmh_cv_mailspool_world_writable,
335 [if test "`$lspath -dlL $mailspool | $cutpath -c9`" = "-"; then
336 nmh_cv_mailspool_world_writable=no
338 nmh_cv_mailspool_world_writable=yes
342 dnl Also, check for liblockfile (as found on Debian systems)
343 AC_CHECK_HEADER([lockfile.h], [AC_CHECK_LIB(lockfile, lockfile_create)])
345 dnl and whether its companion program dotlockfile is setgid
346 AC_PATH_PROG(dotlockfilepath, dotlockfile, no)
347 if test "$ac_cv_lib_lockfile_lockfile_create" != "no" ; then
348 if test "$ac_cv_path_dotlockfilepath" != "no" ; then
349 AC_CACHE_CHECK(whether dotlockfile is setgid, nmh_cv_dotlockfile_setgid,
350 [ if test -g "$ac_cv_path_dotlockfilepath" ; then
351 nmh_cv_dotlockfile_setgid=yes
353 nmh_cv_dotlockfile_setgid=no
358 dnl If mailspool is not world-writable and dotlockfile is not setgid,
359 dnl we need to #define MAILGROUP to 1 and make inc setgid.
360 if test x"$LOCKTYPE" = x"dot" -a x"$nmh_cv_mailspool_world_writable" = x"no" -a x"$nmh_cv_dotlockfile_setgid" != x"yes" ; then
361 dnl do we really need both of these?
362 AC_DEFINE(MAILGROUP,1,
363 [Define to 1 if you need to make `inc' set-group-id because your mail spool is not world writable. There are no guarantees as to the safety of doing this, but this #define will add some extra security checks.])dnl
366 AC_SUBST(SETGID_MAIL)dnl
368 dnl Use ls to see which group owns the mail spool directory.
369 AC_CACHE_CHECK(what group owns the mail spool, nmh_cv_ls_mail_grp,
370 [nmh_cv_ls_mail_grp=`$lspath -dL $nmh_cv_ls_grpopt $mailspool|$AWK '{print $4}'`
372 MAIL_SPOOL_GRP=$nmh_cv_ls_mail_grp
373 AC_SUBST(MAIL_SPOOL_GRP)dnl
375 dnl ------------------
376 dnl CHECK HEADER FILES
377 dnl ------------------
379 dnl On glibc we need to define at least the '_XOPEN_SOURCE' level of features,
380 dnl or wchar.h doesn't declare a prototype for wcwidth(). But if we only define
381 dnl that level then db.h won't compile. So we define _GNU_SOURCE which turns
382 dnl on everything. Perhaps other OSes need some feature switch set to get wcwidth()
383 dnl declared; if so they should have an entry added to this case statement.
384 dnl NB that we must define this on the compiler command line, not in config.h,
385 dnl because it must be set before any system header is included and there's no
386 dnl portable way to make sure that files generated by lex include config.h
387 dnl before system header files.
389 AS_CASE(["$host_os"],
391 [# Like DEFS, but doesn't get stomped on by configure when using config.h:
392 AS_IF([test -z "$CPPFLAGS"],[CPPFLAGS="-D_GNU_SOURCE"],
393 [CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"])])
397 AC_CHECK_HEADERS([errno.h fcntl.h crypt.h ncurses/termcap.h termcap.h \
398 langinfo.h wchar.h wctype.h iconv.h netdb.h \
399 sys/param.h sys/time.h sys/stream.h])
402 dnl Checks for _IO_write_ptr. A Linuxism used by nmh on linux. We
403 dnl really use a whole set of them, but this check should be
406 AC_CHECK_HEADER(libio.h, [
407 AC_EGREP_HEADER(_IO_write_ptr, libio.h, [
408 AC_DEFINE(LINUX_STDIO,1,[Use the Linux _IO_*_ptr defines from <libio.h>.]) ]) ])
410 AC_CHECK_HEADER([sys/ptem.h], AC_DEFINE(WINSIZE_IN_PTEM,1,
411 [Define to 1 if `struct winsize' requires <sys/ptem.h>.]),,
412 [[#if HAVE_SYS_STREAM_H
413 # include <sys/stream.h>
420 AC_CHECK_FUNCS([writev lstat nl_langinfo])
422 dnl Check for multibyte character set support
423 if test "x$ac_cv_header_wchar_h" = "xyes" -a "x$ac_cv_header_wctype_h" = "xyes" \
424 -a "x$ac_cv_func_wcwidth" = "xyes" -a "x$ac_cv_func_mbtowc" = "xyes"; then
425 AC_DEFINE(MULTIBYTE_SUPPORT, 1,
426 [Define to enable support for multibyte character sets.])
429 dnl -------------------
430 dnl CHECK FOR LIBRARIES
431 dnl -------------------
432 dnl Check location of modf
433 AC_CHECK_FUNC([modf], , AC_CHECK_LIB([m], [modf]))
435 dnl Checks for network libraries (nsl, socket)
438 termcap_curses_order="termcap curses ncurses"
439 for lib in $termcap_curses_order; do
440 AC_CHECK_LIB(${lib}, tgetent, [TERMLIB="-l$lib"; break])
442 AC_SUBST([TERMLIB])dnl
443 AS_IF([test "x$TERMLIB" = "x"],
444 [AC_MSG_FAILURE([Could not find tgetent in any library. Is there a curses
445 or ncurses library or package that you can install?])])
452 dnl Find iconv. It may be in libiconv and may be iconv() or libiconv()
453 if test "x$ac_cv_header_iconv_h" = "xyes"; then
454 AC_CHECK_FUNC(iconv, ac_found_iconv=yes, ac_found_iconv=no)
455 if test "x$ac_found_iconv" = "xno"; then
456 AC_CHECK_LIB(iconv, iconv, ac_found_iconv=yes)
457 if test "x$ac_found_iconv" = "xno"; then
458 AC_CHECK_LIB(iconv, libiconv, ac_found_iconv=yes)
460 if test "x$ac_found_iconv" != "xno"; then
464 dnl Handle case where there is a native iconv but iconv.h is from libiconv
465 AC_CHECK_DECL(_libiconv_version,
466 [ AC_CHECK_LIB(iconv, libiconv, LIBS="-liconv $LIBS") ],,
467 [ #include <iconv.h> ])
470 if test "x$ac_found_iconv" = xyes; then
471 AC_DEFINE([HAVE_ICONV], [1], [Define if you have the iconv() function.])
475 dnl Check if iconv uses const in prototype declaration
476 if test "x$ac_found_iconv" = "xyes"; then
477 AC_CACHE_CHECK(for iconv declaration, ac_cv_iconv_const,
478 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdlib.h>
479 #include <iconv.h>]],
483 #if defined(__STDC__) || defined(__cplusplus)
484 size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
488 [ac_cv_iconv_const=],
489 [ac_cv_iconv_const=const])])
490 AC_DEFINE_UNQUOTED([ICONV_CONST], $ac_cv_iconv_const,
491 [Define as const if the declaration of iconv() needs const.])
498 AC_ARG_WITH([ndbm],AS_HELP_STRING([--with-ndbm=ARG],[use -lARG to link with ndbm]),
499 [nmh_ndbm=$withval],[nmh_ndbm=autodetect])
500 AC_ARG_WITH([ndbmheader],AS_HELP_STRING([--with-ndbmheader=ARG],[#include <ARG> to use ndbm]),
501 [nmh_ndbmheader=$withval],[nmh_ndbmheader=autodetect])
503 if test "$nmh_ndbm" = "autodetect"; then
504 if test "$nmh_ndbmheader" != "autodetect"; then
505 AC_MSG_ERROR([must specify both --with-ndbm and --with-ndbmheader or neither])
508 dnl There are at least four implementations of ndbm, and
509 dnl several of those can be in different places at the whim
510 dnl of the system integrator. A good summary of this mess
511 dnl can be found at http://www.unixpapa.com/incnote/dbm.html
513 dnl Classic ndbm with no library required (eg NetBSD): try this
514 dnl first so we don't accidentally link in a pointless but harmless
515 dnl library in one of the later ndbm.h+libfoo tests:
516 NMH_CHECK_NDBM(ndbm.h,,,
517 dnl Berkeley DBv2 emulating ndbm: header in db.h:
518 NMH_CHECK_NDBM(db.h,db,,
519 dnl Berkeley DBv1 emulating ndbm:
520 NMH_CHECK_NDBM(ndbm.h,db,,
521 NMH_CHECK_NDBM(ndbm.h,db1,,
523 NMH_CHECK_NDBM(ndbm.h,ndbm,,
524 dnl glibc2.1 systems put db1 in a subdir:
525 NMH_CHECK_NDBM(db1/ndbm.h,db1,,
526 dnl GNU gdbm emulating ndbm, with header possibly in gdbm/
527 dnl and possibly needing gbdm_compat library:
528 NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm,,
529 NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm_compat -lgdbm,,
530 NMH_CHECK_NDBM(ndbm.h,gdbm,,
531 NMH_CHECK_NDBM(ndbm.h,gdbm_compat -lgdbm))))))))))
535 dnl We don't really need to check that the user-specified values work,
536 dnl but it is a convenience to the user to bomb out early rather than
537 dnl after configure and half the compile process.
538 NMH_CHECK_NDBM([$nmh_ndbmheader],[$nmh_ndbm])
541 if test "$nmh_ndbm_found" = "no"; then
542 AC_MSG_ERROR([could not find a working ndbm library/header combination])
544 dnl Now export the lib/header to our makefile/config.h:
545 if test x"$nmh_ndbmheader" != x; then
546 AC_DEFINE_UNQUOTED(NDBM_HEADER, <$nmh_ndbmheader>,
547 [Define to the header containing the ndbm API prototypes.])
549 if test x"$nmh_ndbm" != x; then
550 NDBM_LIBS="-l$nmh_ndbm"
554 AC_SUBST([NDBM_LIBS])
557 dnl ------------------
558 dnl Set RPM build root
559 dnl ------------------
560 dnl nmhrpm is used in the final summary, see below. The default value is
561 dnl reported there as ./RPM, consistent with the reporting of the default
562 dnl source code location as ., but its absolute path is used in the Makefile.
564 AS_HELP_STRING([--with-rpmdir=RPMDIR], [RPM build directory @<:@RPM@:>@]))
565 AS_IF([test x"$with_rpmdir" = x], [rpmdir='$(abs_srcdir)/RPM'; nmhrpm=./RPM],
566 [rpmdir="$with_rpmdir"; eval "nmhrpm=${rpmdir}"])
570 dnl --------------------
571 dnl CHECK FOR CYRUS-SASL
572 dnl --------------------
574 AS_IF([test x"$sasl_support" = x"yes"],[
575 AC_CHECK_HEADER([sasl/sasl.h], , [AC_MSG_ERROR([sasl.h not found])])
576 AC_CHECK_LIB([sasl2], [sasl_client_new], [SASLLIB="-lsasl2"],
577 [AC_MSG_ERROR([Cyrus SASL library not found])])],[SASLLIB=""])
580 dnl -----------------
581 dnl CHECK FOR OPENSSL
582 dnl -----------------
584 AS_IF([test x"$tls_support" = x"yes"],[
585 AC_CHECK_HEADER([openssl/ssl.h], , [AC_MSG_ERROR([openssl/ssl.h not found])])
586 AC_CHECK_LIB([crypto], [BIO_write], ,
587 [AC_MSG_ERROR([OpenSSL crypto library not found])])
588 AC_CHECK_LIB([ssl], [SSL_library_init], ,
589 [AC_MSG_ERROR([OpenSSL library not found])])])
591 dnl ---------------------
592 dnl CHECK TERMCAP LIBRARY
593 dnl ---------------------
595 dnl Add the termcap library, so that the following configure
596 dnl tests will find it when it tries to link test programs.
597 nmh_save_LIBS="$LIBS"
598 LIBS="$TERMLIB $LIBS"
600 dnl Check if tgetent accepts NULL (and will allocate its own termcap buffer)
601 dnl Some termcaps reportedly accept a zero buffer, but then dump core
603 dnl Under Cygwin test program crashes but exit code is still 0. So,
604 dnl we test for a file that porgram should create
605 AH_TEMPLATE([TGETENT_ACCEPTS_NULL],
606 [Define to 1 if tgetent() accepts NULL as a buffer.])
607 AC_CACHE_CHECK(if tgetent accepts NULL,
608 nmh_cv_func_tgetent_accepts_null,
613 int r1 = tgetent(buf, "vt100");
614 int r2 = tgetent((char*)0,"vt100");
615 if (r1 >= 0 && r1 == r2) {
619 creat("conftest.tgetent", 0640);
621 exit((r1 != r2) || r2 == -1);
624 if test -f conftest.tgetent; then
625 nmh_cv_func_tgetent_accepts_null=yes
627 nmh_cv_func_tgetent_accepts_null=no
629 nmh_cv_func_tgetent_accepts_null=no,
630 nmh_cv_func_tgetent_accepts_null=no)])
631 if test x$nmh_cv_func_tgetent_accepts_null = xyes; then
632 AC_DEFINE(TGETENT_ACCEPTS_NULL)
634 AC_CACHE_CHECK(if tgetent returns 0 on success,
635 nmh_cv_func_tgetent_zero_success,
640 int r1 = tgetent(buf, "!@#$%^&*");
641 int r2 = tgetent(buf, "vt100");
642 if (r1 < 0 && r2 == 0) {
646 creat("conftest.tgetent0", 0640);
651 if test -f conftest.tgetent0; then
652 nmh_cv_func_tgetent_zero_success=yes
654 nmh_cv_func_tgetent_zero_success=no
656 nmh_cv_func_tgetent_zero_success=no,
657 nmh_cv_func_tgetent_zero_success=no)])
658 AH_TEMPLATE([TGETENT_SUCCESS],
659 [Define to what tgetent() returns on success (0 on HP-UX X/Open curses).])
660 if test x$nmh_cv_func_tgetent_zero_success = xyes; then
661 AC_DEFINE(TGETENT_SUCCESS, 0)
663 AC_DEFINE(TGETENT_SUCCESS, 1)
666 dnl Now put the libraries back to what it was before we
667 dnl starting checking the termcap library.
668 LIBS="$nmh_save_LIBS"
683 dnl For platforms such as FreeBSD that have tm_gmtoff in struct tm.
684 dnl (FreeBSD has a timezone() function but not a timezone global
685 dnl variable that is visible).
686 AC_CHECK_MEMBERS([struct tm.tm_gmtoff],,,[#include <time.h>])
688 AC_STRUCT_DIRENT_D_TYPE
690 dnl Where is <signal.h> located? Needed as input for signames.awk
691 AC_CACHE_CHECK(where signal.h is located, nmh_cv_path_signal_h,
692 [for SIGNAL_H in /usr/include/bsd/sys/signal.h dnl Next
693 /usr/include/asm/signal.h dnl Linux 1.3.0 and above
694 /usr/include/asm/signum.h dnl some versions of Linux/Alpha
695 /usr/include/linux/signal.h dnl Linux up to 1.2.11
696 /usr/include/sys/signal.h dnl Almost everybody else
697 /dev/null; dnl Just in case we fall through
699 test -f $SIGNAL_H && \
700 grep '#[ ]*define[ ][ ]*SIG[0-9A-Z]*[ ]*[0-9][0-9]*' $SIGNAL_H > /dev/null && \
703 nmh_cv_path_signal_h=$SIGNAL_H
705 SIGNAL_H=$nmh_cv_path_signal_h
706 AC_SUBST(SIGNAL_H)dnl
709 dnl Sigh, this is required because under the new world order autoconf has
710 dnl nothing to create in a few of the build directories when doing an object
711 dnl tree build. So make sure we created certain directories if they don't
715 AC_CONFIG_COMMANDS([build-directories],
716 [test -d etc || ${MKDIR_P} etc
717 test -d man || ${MKDIR_P} man])
719 AC_CONFIG_COMMANDS_POST([
721 dnl These odd looking assignments are done to expand out unexpanded
722 dnl variables in bindir et al (for instance mandir is '${datarootdir}/man'),
723 dnl but expanding that gives '${prefix}/share/man', so we need to expand
724 dnl again to get the final answer.
725 dnl We only use the expanded versions to print the install paths in
726 dnl the final summary and should use them nowhere else (see the autoconf
727 dnl docs for the rationale for bindir etc being unexpanded).
728 eval "nmhbin=${bindir}"; eval "nmhbin=${nmhbin}"
729 eval "nmhsysconf=${sysconfdir}"; eval "nmhsysconf=${nmhsysconf}"
730 eval "nmhlib=${libdir}"; eval "nmhlib=${nmhlib}"
731 eval "nmhman=${mandir}"; eval "nmhman=${nmhman}"
732 eval "nmhrpm=${nmhrpm}";
737 nmh version : AC_PACKAGE_VERSION
740 compiler flags : ${CFLAGS}
741 linker flags : ${LDFLAGS}
742 preprocessor flags : ${CPPFLAGS}
743 source code location : ${srcdir}
744 binary install path : ${nmhbin}
745 library install path : ${nmhlib}
746 config files install path : ${nmhsysconf}
747 man page install path : ${nmhman}
748 RPM build root : ${nmhrpm}
749 backup prefix : ${backup_prefix}
750 transport system : ${MTS}
751 file locking type : ${LOCKTYPE}
752 default smtp servers : ${smtpservers}
753 default editor : ${editorpath}
754 default pager : ${pagerpath}
755 email address masquerading : ${masquerade}
756 SASL support : ${sasl_support}
757 TLS support : ${tls_support}
763 AC_CONFIG_FILES([Makefile])