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 Do you want to disable use of locale functions
35 [Undefine if you don't want locale features. By default this is defined.])
36 AC_ARG_ENABLE([locale],
37 [AS_HELP_STRING([--disable-locale], [turn off locale features])],
38 [AS_IF([test x$enableval = xyes], [AC_DEFINE(LOCALE)])],
41 dnl Do you want client-side support for using SASL for authentication?
42 dnl Note that this code will be enabled for both POP and SMTP
43 AC_ARG_WITH([cyrus-sasl], AS_HELP_STRING([--with-cyrus-sasl],
44 [Enable SASL support via the Cyrus SASL library]))
45 AS_IF([test x"$with_cyrus_sasl" != x -a x"$with_cyrus_sasl" != x"no"],[
46 AC_DEFINE([CYRUS_SASL], [1],
47 [Define to use the Cyrus SASL library for authentication of POP and SMTP.])dnl
48 AS_IF([test x"$with_cyrus_sasl" != xyes],[
49 AC_MSG_WARN([Arguments to --with-cyrus-sasl now ignored])
50 AC_MSG_WARN([Please pass the appropriate arguments to CPPFLAGS/LDFLAGS])])
51 sasl_support=yes], [sasl_support=no])
53 dnl Do you want client-side support for encryption with TLS?
54 AC_ARG_WITH([tls], AS_HELP_STRING([--with-tls], [Enable TLS support]))
55 AS_IF([test x"$with_tls" != x -a x"$with_tls" != x"no"],[
56 AC_DEFINE([TLS_SUPPORT], [1], [Support TLS for session encryption.])dnl
57 tls_support=yes],[tls_support=no])
59 dnl What should be the default editor?
61 AS_HELP_STRING([--with-editor=EDITOR],[specify the default editor]))
63 AS_IF([test -n "$with_editor"], [editorpath="$with_editor"])
65 dnl Set the backup prefix
66 AC_ARG_WITH([hash-backup],
67 AS_HELP_STRING([--with-hash-backup],[use # as the backup prefix (default: ,)]))
68 AS_IF([test x"$with_hash_backup" != x -a x"$with_hash_backup" != x"no"],
69 [backup_prefix="#"], [backup_prefix=","])
70 AC_DEFINE_UNQUOTED([BACKUP_PREFIX], "$backup_prefix",
71 [The prefix that is prepended to the name of message files when they are "removed" by rmm. This should typically be `,' or `#'.])dnl
73 dnl What method of locking to use?
75 [aix*|cygwin*|linux*],
76 [default_locktype="fcntl"; default_locking=FCNTL_LOCKING],
77 [freebsd*], [default_locktype="flock"; default_locking=FLOCK_LOCKING],
78 [default_locktype="dot"; default_locking=DOT_LOCKING])
81 AS_HELP_STRING([--with-locking=@<:@dot|fcntl|flock|lockf@:>@],
82 [specify the file locking method]))
84 if test x"$with_locking" = x"dot"; then
86 AC_DEFINE(DOT_LOCKING, 1, [Define to use dot based file locking.])dnl
87 elif test x"$with_locking" = x"flock"; then
89 AC_DEFINE(FLOCK_LOCKING, 1, [Define to use flock() based locking.])dnl
90 elif test x"$with_locking" = x"lockf"; then
92 AC_DEFINE(LOCKF_LOCKING, 1, [Define to use lockf() based locking.])dnl
93 elif test x"$with_locking" = x"fcntl"; then
95 AC_DEFINE(FCNTL_LOCKING, 1, [Define to use fnctl() based locking.])dnl
97 LOCKTYPE="$default_locktype"
98 AC_DEFINE_UNQUOTED($default_locking, 1)dnl
101 dnl Should we use a locking directory?
102 AC_ARG_ENABLE([lockdir],
103 [AS_HELP_STRING([--enable-lockdir=dir], [Store dot-lock files in "dir"])], [
104 AS_IF([test "x$enableval" = xyes],[
105 AC_MSG_ERROR([--enable-lockdir requires an argument])])
106 AS_IF([test "x$LOCKTYPE" != xdot],[
107 AC_MSG_ERROR([Can only use --enable-lockdir with dot locking])])
108 AC_DEFINE_UNQUOTED([LOCKDIR], ["$enableval"],
109 [Directory to store dot-locking lock files])
112 dnl What method of posting should post use?
114 AS_HELP_STRING([--with-mts=@<:@smtp|sendmail@:>@],
115 [specify the default mail transport agent/service]))
117 AS_IF([test x"$with_mts" = x"smtp"], [MTS="smtp"],
118 [test x"$with_mts" = x"sendmail"], [MTS="sendmail"],
122 dnl What should be the default pager?
124 AS_HELP_STRING([--with-pager=PAGER],[specify the default pager]))
126 AS_IF([test -n "$with_pager"], [pagerpath="$with_pager"])
128 dnl If a pager is not explicitly specified, then look for one.
129 dnl Fall back to `cat', to avoid catastrophic failure of
130 dnl `mhshow', et al., if pagerpath is set to `no'.
131 if test -z "$pagerpath"; then
132 pathtmp=/usr/bin:/bin:/usr/ucb:/usr/local/bin
133 AC_PATH_PROGS([pagerpath], [more less most cat], [no], [$pathtmp])
135 AC_SUBST(pagerpath)dnl
137 dnl What should be the default mail server(s)?
138 AC_ARG_WITH(smtpservers,
139 AS_HELP_STRING([--with-smtpservers='SMTPSERVER1@<:@ SMTPSERVER2...@:>@'],
140 [specify the default SMTP server(s) @<:@localhost@:>@]))
141 AS_IF([test -n "$with_smtpservers"], [smtpservers="$with_smtpservers"],
142 [smtpservers="localhost"])
143 AC_SUBST([smtpservers])dnl
145 dnl ----------------------------------------------------
146 dnl Default location is /usr/local/nmh/{bin,etc,lib,man}
147 dnl ----------------------------------------------------
148 AC_PREFIX_DEFAULT([/usr/local/nmh])
150 dnl ------------------
151 dnl CHECK THE COMPILER
152 dnl ------------------
153 dnl We want these before the checks,
154 dnl so the checks can modify their values.
155 test -z "$CFLAGS" && CFLAGS= auto_cflags=1
156 if test x"$enable_debug" = x"yes"; then
157 test -z "$LDFLAGS" && LDFLAGS=-g
163 AC_CACHE_CHECK([whether preprocessor supports -Wunused-macros],
164 [nmh_cv_has_unusedmacros],
165 [nmh_saved_cppflags="$CPPFLAGS"
166 CPPFLAGS="$CPPFLAGS -Wunused-macros -Wno-unused-macros"
167 AC_TRY_COMPILE([],[],nmh_cv_has_unusedmacros=yes,nmh_cv_has_unusedmacros=no)
168 CPPFLAGS="$nmh_saved_cppflags"])
170 if test "$nmh_cv_has_unusedmacros" = 'yes'; then
171 test -z "$CPPFLAGS" && CPPFLAGS=-Wunused-macros \
172 || CPPFLAGS="$CPPFLAGS -Wunused-macros"
173 DISABLE_UNUSED_MACROS_WARNING=-Wno-unused-macros
175 AC_SUBST(DISABLE_UNUSED_MACROS_WARNING)dnl
177 AC_CACHE_CHECK([whether compiler supports -Wno-sign-compare],
178 [nmh_cv_has_nosigncompare],
179 [nmh_saved_cppflags="$CPPFLAGS"
180 CPPFLAGS="$CPPFLAGS -Wno-sign-compare"
181 AC_TRY_COMPILE([],[],nmh_cv_has_nosigncompare=yes,
182 nmh_cv_has_nosigncompare=no)
183 CPPFLAGS="$nmh_saved_cppflags"])
185 if test "$nmh_cv_has_nosigncompare" = 'yes'; then
186 DISABLE_SIGN_COMPARE_WARNING=-Wno-sign-compare
188 AC_SUBST(DISABLE_SIGN_COMPARE_WARNING)dnl
190 AC_CACHE_CHECK([whether compiler supports -Wextra], [nmh_cv_has_wextra],
191 [nmh_saved_cflags="$CFLAGS"
192 CFLAGS="$CFLAGS -Wextra -Wno-clobbered"
193 AC_TRY_COMPILE([],[],nmh_cv_has_wextra=yes,nmh_cv_has_wextra=no)
194 CFLAGS="$nmh_saved_cflags"])
196 AC_CACHE_CHECK([whether compiler supports -Wno-pointer-sign], [nmh_cv_has_noptrsign],
197 [nmh_saved_cflags="$CFLAGS"
198 CFLAGS="$CFLAGS -Wno-pointer-sign"
199 AC_TRY_COMPILE([],[],nmh_cv_has_noptrsign=yes,nmh_cv_has_noptrsign=no)
200 CFLAGS="$nmh_saved_cflags"])
202 dnl if the user hasn't specified CFLAGS, then
203 dnl if compiler is gcc, then
204 dnl use -O2 and some warning flags
206 dnl We use -Wall and -Wextra if supported. If the compiler supports it we
207 dnl also use -Wno-pointer-sign, because gcc 4 now produces a lot of new
208 dnl warnings which are probably mostly spurious and which in any case we
209 dnl don't want to deal with now.
210 if test "$nmh_cv_has_noptrsign" = "yes"; then
211 if test "$nmh_cv_has_wextra" = "yes"; then
212 nmh_gcc_warnflags="-Wall -Wextra -Wno-clobbered -Wno-pointer-sign"
214 nmh_gcc_warnflags="-Wall -Wno-pointer-sign"
217 if test "$nmh_cv_has_wextra" = "yes"; then
218 nmh_gcc_warnflags="-Wall -Wextra -Wno-clobbered"
220 nmh_gcc_warnflags="-Wall"
224 if test -n "$auto_cflags"; then
225 if test x"$enable_debug" = x"yes"; then
226 if test -n "$GCC"; then
227 test -z "$CFLAGS" && CFLAGS="$nmh_gcc_warnflags -g" || CFLAGS="$CFLAGS $nmh_gcc_warnflags -g"
229 test -z "$CFLAGS" && CFLAGS=-g || CFLAGS="$CFLAGS -g"
232 if test -z "$LDFLAGS"; then
242 if test -n "$GCC"; then
243 test -z "$CFLAGS" && CFLAGS="$nmh_gcc_warnflags -O2" || CFLAGS="$CFLAGS $nmh_gcc_warnflags -O2"
245 test -z "$CFLAGS" && CFLAGS=-O || CFLAGS="$CFLAGS -O"
250 AC_C_CONST dnl Does compiler support `const'.
252 dnl ------------------
253 dnl CHECK FOR PROGRAMS
254 dnl ------------------
255 AC_PROG_MAKE_SET dnl Does make define $MAKE
256 AC_PROG_INSTALL dnl Check for BSD compatible `install'
257 AC_PROG_RANLIB dnl Check for `ranlib'
258 AC_PROG_AWK dnl Check for mawk,gawk,nawk, then awk
259 AC_PROG_SED dnl Check for Posix-compliant sed
260 AC_PROG_LEX dnl Check for lex/flex
263 pathtmp=/usr/bin:/bin:/usr/local/bin:/usr/xpg4/bin:/usr/ucb
264 AC_PATH_PROG([cutpath], [cut], [no], [$pathtmp])
267 dnl Check for MD5 program and formatting command
269 AC_CHECK_PROGS([MD5SUM], [md5sum md5], [missing])
270 AS_CASE(["${MD5SUM}"],
271 [md5sum], [MD5FMT="cat"],
272 [md5], [[MD5FMT="${SED} -e 's/MD5 *(\(.*\)) *= \([0-9a-f]*\)/\2 \1/'"]],
276 dnl ----------------------------------------------
277 dnl check for lclint, and lint if it doesn't exist
278 dnl ----------------------------------------------
279 AC_CHECK_PROG(linttmp1, lclint, lclint, no)dnl
280 if test x$ac_cv_prog_linttmp1 != xno ; then
281 LINT=$ac_cv_prog_linttmp1
282 LINTFLAGS="-weak +posixlib -macrovarprefixexclude"
284 AC_CHECK_PROG(linttmp2, lint, lint, no)dnl
285 if test x$ac_cv_prog_linttmp2 != xno ; then
286 LINT=$ac_cv_prog_linttmp2
289 LINT="echo 'No lint program found'"
294 AC_SUBST([LINTFLAGS])dnl
297 pathtmp=/usr/bin:/bin:/usr/local/bin:/usr/xpg4/bin:/usr/ucb
298 AC_PATH_PROG([lspath], [ls], [no], [$pathtmp])
300 dnl See how we get ls to display the owner and the group
301 if test "$lspath" != "no"; then
302 AC_CACHE_CHECK([how to get ls to show us the group ownership of a file],
304 [if test x"`$lspath -dl / | $AWK '{print $9}'`" = x"/"; then
305 dnl There were 9 parameters, so unless this is a really bizarre, nonstandard
306 dnl ls, it would seem -l gave us both the user and group. On this type of
307 dnl ls, -g makes _only_ the group be displayed (and not the user).
308 nmh_cv_ls_grpopt="-l"
310 dnl Looks like -l only gave us the user, so we need -g to get the group too.
311 nmh_cv_ls_grpopt="-lg"
315 dnl Look for `sendmail'
316 pathtmp=/usr/lib:/usr/sbin:/usr/etc:/usr/ucblib:/usr/bin:/bin
317 AC_PATH_PROG([sendmailpath], [sendmail], [/usr/sbin/sendmail], [$pathtmp])
320 pathtmp=/usr/bin:/bin:/usr/ucb:/usr/local/bin
321 AC_PATH_PROG([vipath], [vi], [/bin/vi], [$pathtmp])
323 dnl If editor is not specified yet,
324 dnl then use `vi' as the default.
325 AS_IF([test -z "$editorpath"], [editorpath="$vipath"])
326 AC_SUBST([editorpath])dnl
328 dnl ----------------------------------------------------------
329 dnl FIND MAIL SPOOL AND SEE IF WE NEED TO MAKE inc SETGID MAIL
330 dnl ----------------------------------------------------------
331 AC_CACHE_CHECK(where mail spool is located, nmh_cv_mailspool,
332 [for mailspool in /var/mail dnl
335 /dev/null; dnl Just in case we fall through
337 test -d $mailspool && break
339 nmh_cv_mailspool=$mailspool
341 mailspool=$nmh_cv_mailspool
342 AC_SUBST([mailspool])dnl
344 dnl See whether the mail spool directory is world-writable.
345 if test "$lspath" != "no" -a "$cutpath" != "no"; then
346 AC_CACHE_CHECK(whether the mail spool is world-writable,
347 nmh_cv_mailspool_world_writable,
348 [if test "`$lspath -dlL $mailspool | $cutpath -c9`" = "-"; then
349 nmh_cv_mailspool_world_writable=no
351 nmh_cv_mailspool_world_writable=yes
355 dnl Also, check for liblockfile (as found on Debian systems)
356 AC_CHECK_HEADER([lockfile.h], [AC_CHECK_LIB(lockfile, lockfile_create)])
358 dnl and whether its companion program dotlockfile is setgid
359 AC_PATH_PROG(dotlockfilepath, dotlockfile, no)
360 if test "$ac_cv_lib_lockfile_lockfile_create" != "no" ; then
361 if test "$ac_cv_path_dotlockfilepath" != "no" ; then
362 AC_CACHE_CHECK(whether dotlockfile is setgid, nmh_cv_dotlockfile_setgid,
363 [ if test -g "$ac_cv_path_dotlockfilepath" ; then
364 nmh_cv_dotlockfile_setgid=yes
366 nmh_cv_dotlockfile_setgid=no
371 dnl Provide a way for distcheck to disable setgid_mail via
372 dnl DISTCHECK_CONFIGURE_FLAGS.
373 if test x"$DISABLE_SETGID_MAIL" != x -a x"$DISABLE_SETGID_MAIL" != x0; then
374 nmh_cv_dotlockfile_setgid=yes
377 dnl If mailspool is not world-writable and dotlockfile is not setgid,
378 dnl we need to #define MAILGROUP to 1 and make inc setgid.
379 if test x"$LOCKTYPE" = x"dot" -a x"$nmh_cv_mailspool_world_writable" = x"no" -a x"$nmh_cv_dotlockfile_setgid" != x"yes" ; then
380 dnl do we really need both of these?
381 AC_DEFINE(MAILGROUP,1,
382 [Define to 1 if you need to make `inc' set-group-id because your mail spool is not world writable. There are no guarantees as to the safety of doing this, but this #define will add some extra security checks.])dnl
385 AC_SUBST(SETGID_MAIL)dnl
387 dnl Use ls to see which group owns the mail spool directory.
388 AC_CACHE_CHECK(what group owns the mail spool, nmh_cv_ls_mail_grp,
389 [nmh_cv_ls_mail_grp=`$lspath -dL $nmh_cv_ls_grpopt $mailspool|$AWK '{print $4}'`
391 MAIL_SPOOL_GRP=$nmh_cv_ls_mail_grp
392 AC_SUBST(MAIL_SPOOL_GRP)dnl
394 dnl ------------------
395 dnl CHECK HEADER FILES
396 dnl ------------------
398 dnl On glibc we need to define at least the '_XOPEN_SOURCE' level of features,
399 dnl or wchar.h doesn't declare a prototype for wcwidth(). But if we only define
400 dnl that level then db.h won't compile. So we define _GNU_SOURCE which turns
401 dnl on everything. Perhaps other OSes need some feature switch set to get wcwidth()
402 dnl declared; if so they should have an entry added to this case statement.
403 dnl NB that we must define this on the compiler command line, not in config.h,
404 dnl because it must be set before any system header is included and there's no
405 dnl portable way to make sure that files generated by lex include config.h
406 dnl before system header files.
408 AS_CASE(["$host_os"],
410 [# Like DEFS, but doesn't get stomped on by configure when using config.h:
411 AS_IF([test -z "$CPPFLAGS"],[CPPFLAGS="-D_GNU_SOURCE"],
412 [CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"])])
416 AC_CHECK_HEADERS([errno.h fcntl.h crypt.h ncurses/termcap.h termcap.h \
417 langinfo.h wchar.h wctype.h iconv.h netdb.h \
418 sys/param.h sys/time.h sys/stream.h])
421 dnl Checks for _IO_write_ptr. A Linuxism used by nmh on linux. We
422 dnl really use a whole set of them, but this check should be
425 AC_CHECK_HEADER(libio.h, [
426 AC_EGREP_HEADER(_IO_write_ptr, libio.h, [
427 AC_DEFINE(LINUX_STDIO,1,[Use the Linux _IO_*_ptr defines from <libio.h>.]) ]) ])
429 AC_CHECK_HEADER([sys/ptem.h], AC_DEFINE(WINSIZE_IN_PTEM,1,
430 [Define to 1 if `struct winsize' requires <sys/ptem.h>.]),,
431 [[#if HAVE_SYS_STREAM_H
432 # include <sys/stream.h>
439 AC_CHECK_FUNCS([wcwidth mbtowc writev lstat nl_langinfo getutxent])
441 dnl Check for multibyte character set support
442 if test "x$ac_cv_header_wchar_h" = "xyes" -a "x$ac_cv_header_wctype_h" = "xyes" \
443 -a "x$ac_cv_func_wcwidth" = "xyes" -a "x$ac_cv_func_mbtowc" = "xyes"; then
444 AC_DEFINE(MULTIBYTE_SUPPORT, 1,
445 [Define to enable support for multibyte character sets.])
448 dnl -------------------
449 dnl CHECK FOR LIBRARIES
450 dnl -------------------
451 dnl Check location of modf
452 AC_CHECK_FUNC([modf], , AC_CHECK_LIB([m], [modf]))
454 dnl Checks for network libraries (nsl, socket)
459 termcap_curses_order="termcap curses ncurses"
460 for lib in $termcap_curses_order; do
461 AC_CHECK_LIB(${lib}, tgetent, [TERMLIB="-l$lib"; break])
463 AC_SUBST([TERMLIB])dnl
464 AS_IF([test "x$TERMLIB" = "x"],
465 [AC_MSG_FAILURE([Could not find tgetent in any library. Is there a curses
466 or ncurses library or package that you can install?])])
473 dnl Find iconv. It may be in libiconv and may be iconv() or libiconv()
474 if test "x$ac_cv_header_iconv_h" = "xyes"; then
475 AC_CHECK_FUNC(iconv, ac_found_iconv=yes, ac_found_iconv=no)
476 if test "x$ac_found_iconv" = "xno"; then
477 AC_CHECK_LIB(iconv, iconv, ac_found_iconv=yes)
478 if test "x$ac_found_iconv" = "xno"; then
479 AC_CHECK_LIB(iconv, libiconv, ac_found_iconv=yes)
481 if test "x$ac_found_iconv" != "xno"; then
485 dnl Handle case where there is a native iconv but iconv.h is from libiconv
486 AC_CHECK_DECL(_libiconv_version,
487 [ AC_CHECK_LIB(iconv, libiconv, LIBS="-liconv $LIBS") ],,
488 [ #include <iconv.h> ])
491 if test "x$ac_found_iconv" = xyes; then
492 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"
575 AC_SUBST([NDBM_LIBS])
578 dnl ------------------
579 dnl Set RPM build root
580 dnl ------------------
581 dnl nmhrpm is used in the final summary, see below. The default value is
582 dnl reported there as ./RPM, consistent with the reporting of the default
583 dnl source code location as ., but its absolute path is used in the Makefile.
585 AS_HELP_STRING([--with-rpmdir=RPMDIR], [RPM build directory @<:@RPM@:>@]))
586 AS_IF([test x"$with_rpmdir" = x], [rpmdir='$(abs_srcdir)/RPM'; nmhrpm=./RPM],
587 [rpmdir="$with_rpmdir"; eval "nmhrpm=${rpmdir}"])
591 dnl --------------------
592 dnl CHECK FOR CYRUS-SASL
593 dnl --------------------
595 AS_IF([test x"$sasl_support" = x"yes"],[
596 AC_CHECK_HEADER([sasl/sasl.h], , [AC_MSG_ERROR([sasl.h not found])])
597 AC_CHECK_LIB([sasl2], [sasl_client_new], [SASLLIB="-lsasl2"],
598 [AC_MSG_ERROR([Cyrus SASL library not found])])],[SASLLIB=""])
601 dnl -----------------
602 dnl CHECK FOR OPENSSL
603 dnl -----------------
605 AS_IF([test x"$tls_support" = x"yes"],[
606 AC_CHECK_HEADER([openssl/ssl.h], , [AC_MSG_ERROR([openssl/ssl.h not found])])
607 AC_CHECK_LIB([crypto], [BIO_write], ,
608 [AC_MSG_ERROR([OpenSSL crypto library not found])])
609 AC_CHECK_LIB([ssl], [SSL_library_init], ,
610 [AC_MSG_ERROR([OpenSSL library not found])])])
612 dnl ---------------------
613 dnl CHECK TERMCAP LIBRARY
614 dnl ---------------------
616 dnl Add the termcap library, so that the following configure
617 dnl tests will find it when it tries to link test programs.
618 nmh_save_LIBS="$LIBS"
619 LIBS="$TERMLIB $LIBS"
621 dnl Check if tgetent accepts NULL (and will allocate its own termcap buffer)
622 dnl Some termcaps reportedly accept a zero buffer, but then dump core
624 dnl Under Cygwin test program crashes but exit code is still 0. So,
625 dnl we test for a file that porgram should create
626 AH_TEMPLATE([TGETENT_ACCEPTS_NULL],
627 [Define to 1 if tgetent() accepts NULL as a buffer.])
628 AC_CACHE_CHECK(if tgetent accepts NULL,
629 nmh_cv_func_tgetent_accepts_null,
634 int r1 = tgetent(buf, "vt100");
635 int r2 = tgetent((char*)0,"vt100");
636 if (r1 >= 0 && r1 == r2) {
640 creat("conftest.tgetent", 0640);
642 exit((r1 != r2) || r2 == -1);
645 if test -f conftest.tgetent; then
646 nmh_cv_func_tgetent_accepts_null=yes
648 nmh_cv_func_tgetent_accepts_null=no
650 nmh_cv_func_tgetent_accepts_null=no,
651 nmh_cv_func_tgetent_accepts_null=no)])
652 if test x$nmh_cv_func_tgetent_accepts_null = xyes; then
653 AC_DEFINE(TGETENT_ACCEPTS_NULL)
655 AC_CACHE_CHECK(if tgetent returns 0 on success,
656 nmh_cv_func_tgetent_zero_success,
661 int r1 = tgetent(buf, "!@#$%^&*");
662 int r2 = tgetent(buf, "vt100");
663 if (r1 < 0 && r2 == 0) {
667 creat("conftest.tgetent0", 0640);
672 if test -f conftest.tgetent0; then
673 nmh_cv_func_tgetent_zero_success=yes
675 nmh_cv_func_tgetent_zero_success=no
677 nmh_cv_func_tgetent_zero_success=no,
678 nmh_cv_func_tgetent_zero_success=no)])
679 AH_TEMPLATE([TGETENT_SUCCESS],
680 [Define to what tgetent() returns on success (0 on HP-UX X/Open curses).])
681 if test x$nmh_cv_func_tgetent_zero_success = xyes; then
682 AC_DEFINE(TGETENT_SUCCESS, 0)
684 AC_DEFINE(TGETENT_SUCCESS, 1)
687 dnl Now put the libraries back to what it was before we
688 dnl starting checking the termcap library.
689 LIBS="$nmh_save_LIBS"
704 dnl For platforms such as FreeBSD that have tm_gmtoff in struct tm.
705 dnl (FreeBSD has a timezone() function but not a timezone global
706 dnl variable that is visible).
707 AC_CHECK_MEMBERS([struct tm.tm_gmtoff],,,[#include <time.h>])
709 AC_STRUCT_DIRENT_D_TYPE
711 dnl Where is <signal.h> located? Needed as input for signames.awk
712 AC_CACHE_CHECK(where signal.h is located, nmh_cv_path_signal_h,
713 [for SIGNAL_H in /usr/include/bsd/sys/signal.h dnl Next
714 /usr/include/asm/signal.h dnl Linux 1.3.0 and above
715 /usr/include/asm/signum.h dnl some versions of Linux/Alpha
716 /usr/include/linux/signal.h dnl Linux up to 1.2.11
717 /usr/include/sys/signal.h dnl Almost everybody else
718 /dev/null; dnl Just in case we fall through
720 test -f $SIGNAL_H && \
721 grep '#[ ]*define[ ][ ]*SIG[0-9A-Z]*[ ]*[0-9][0-9]*' $SIGNAL_H > /dev/null && \
724 nmh_cv_path_signal_h=$SIGNAL_H
726 SIGNAL_H=$nmh_cv_path_signal_h
727 AC_SUBST(SIGNAL_H)dnl
730 dnl Sigh, this is required because under the new world order autoconf has
731 dnl nothing to create in a few of the build directories when doing an object
732 dnl tree build. So make sure we created certain directories if they don't
736 AC_CONFIG_COMMANDS([build-directories],
737 [test -d etc || ${MKDIR_P} etc
738 test -d man || ${MKDIR_P} man])
740 AC_CONFIG_COMMANDS_POST([
742 dnl These odd looking assignments are done to expand out unexpanded
743 dnl variables in bindir et al (for instance mandir is '${datarootdir}/man'),
744 dnl but expanding that gives '${prefix}/share/man', so we need to expand
745 dnl again to get the final answer.
746 dnl We only use the expanded versions to print the install paths in
747 dnl the final summary and should use them nowhere else (see the autoconf
748 dnl docs for the rationale for bindir etc being unexpanded).
749 eval "nmhbin=${bindir}"; eval "nmhbin=${nmhbin}"
750 eval "nmhsysconf=${sysconfdir}"; eval "nmhsysconf=${nmhsysconf}"
751 eval "nmhlib=${libdir}"; eval "nmhlib=${nmhlib}"
752 eval "nmhman=${mandir}"; eval "nmhman=${nmhman}"
753 eval "nmhrpm=${nmhrpm}";
758 nmh version : AC_PACKAGE_VERSION
761 compiler flags : ${CFLAGS}
762 linker flags : ${LDFLAGS}
763 preprocessor flags : ${CPPFLAGS}
764 source code location : ${srcdir}
765 binary install path : ${nmhbin}
766 library install path : ${nmhlib}
767 config files install path : ${nmhsysconf}
768 man page install path : ${nmhman}
769 RPM build root : ${nmhrpm}
770 backup prefix : ${backup_prefix}
771 transport system : ${MTS}
772 file locking type : ${LOCKTYPE}
773 default smtp servers : ${smtpservers}
774 default editor : ${editorpath}
775 default pager : ${pagerpath}
776 SASL support : ${sasl_support}
777 TLS support : ${tls_support}
783 AC_CONFIG_FILES([Makefile test/common.sh])