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 [AC_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], "$backup_prefix",
71 [The prefix that is prepended to the name of message files when they are "removed" by rmm. This should typically be `,' or `#'.])dnl
73 dnl What method of locking to use?
75 AS_HELP_STRING([--with-locking=@<:@dot|fcntl|flock|lockf@:>@],
76 [specify the file locking method]))
78 if test x"$with_locking" = x"dot"; then
80 AC_DEFINE(DOT_LOCKING, 1, [Define to use dot based file locking.])dnl
81 elif test x"$with_locking" = x"flock"; then
83 AC_DEFINE(FLOCK_LOCKING, 1, [Define to use flock() based locking.])dnl
84 elif test x"$with_locking" = x"lockf"; then
86 AC_DEFINE(LOCKF_LOCKING, 1, [Define to use lockf() based locking.])dnl
87 elif test x"$with_locking" = x"fcntl"; then
89 AC_DEFINE(FCNTL_LOCKING, 1, [Define to use fnctl() based locking.])dnl
92 AC_DEFINE(DOT_LOCKING)dnl
95 dnl Should we use a locking directory?
96 AC_ARG_ENABLE([lockdir], [
97 AS_HELP_STRING([--enable-lockdir=dir], [Store dot-lock files in "dir"])], [
98 AS_IF([test "x$enableval" = xyes],[
99 AC_MSG_ERROR([--enable-lockdir requires an argument])])
100 AS_IF([test "x$LOCKTYPE" != xdot],[
101 AC_MSG_ERROR([Can only use --enable-lockdir with dot locking])])
102 AC_DEFINE_UNQUOTED([LOCKDIR], ["$enableval"],
103 [Directory to store dot-locking lock files])
106 dnl What method of posting should post use?
108 AS_HELP_STRING([--with-mts=@<:@smtp|sendmail@:>@],
109 [specify the default mail transport agent/service]))
111 AS_IF([test x"$with_mts" = x"smtp"], [MTS="smtp"],
112 [test x"$with_mts" = x"sendmail"], [MTS="sendmail"],
116 dnl What should be the default pager?
118 AS_HELP_STRING([--with-pager=PAGER],[specify the default pager]))
120 AS_IF([test -n "$with_pager"], [pagerpath="$with_pager"])
122 dnl If a pager is not explicitly specified, then look for one.
123 dnl Fall back to `cat', to avoid catastrophic failure of
124 dnl `mhshow', et al., if pagerpath is set to `no'.
125 if test -z "$pagerpath"; then
126 pathtmp=/usr/bin:/bin:/usr/ucb:/usr/local/bin
127 AC_PATH_PROGS([pagerpath], [more less most cat], [no], [$pathtmp])
129 AC_SUBST(pagerpath)dnl
131 dnl What should be the default mail server(s)?
132 AC_ARG_WITH(smtpservers,
133 AS_HELP_STRING([--with-smtpservers='SMTPSERVER1@<:@ SMTPSERVER2...@:>@'],
134 [specify the default SMTP server(s) @<:@localhost@:>@]))
135 AS_IF([test -n "$with_smtpservers"], [smtpservers="$with_smtpservers"],
136 [smtpservers="localhost"])
137 AC_SUBST([smtpservers])dnl
139 dnl ----------------------------------------------------
140 dnl Default location is /usr/local/nmh/{bin,etc,lib,man}
141 dnl ----------------------------------------------------
142 AC_PREFIX_DEFAULT([/usr/local/nmh])
144 dnl ------------------
145 dnl CHECK THE COMPILER
146 dnl ------------------
147 dnl We want these before the checks,
148 dnl so the checks can modify their values.
149 test -z "$CFLAGS" && CFLAGS= auto_cflags=1
150 if test x"$enable_debug" = x"yes"; then
151 test -z "$LDFLAGS" && LDFLAGS=-g
157 AC_CACHE_CHECK([whether preprocessor supports -Wunused-macros],
158 [nmh_cv_has_unusedmacros],
159 [nmh_saved_cppflags="$CPPFLAGS"
160 CPPFLAGS="$CPPFLAGS -Wunused-macros -Wno-unused-macros"
161 AC_TRY_COMPILE([],[],nmh_cv_has_unusedmacros=yes,nmh_cv_has_unusedmacros=no)
162 CPPFLAGS="$nmh_saved_cppflags"])
164 if test "$nmh_cv_has_unusedmacros" = 'yes'; then
165 test -z "$CPPFLAGS" && CPPFLAGS=-Wunused-macros \
166 || CPPFLAGS="$CPPFLAGS -Wunused-macros"
167 DISABLE_UNUSED_MACROS_WARNING=-Wno-unused-macros
169 AC_SUBST(DISABLE_UNUSED_MACROS_WARNING)dnl
171 AC_CACHE_CHECK([whether compiler supports -Wextra], [nmh_cv_has_wextra],
172 [nmh_saved_cflags="$CFLAGS"
173 CFLAGS="$CFLAGS -Wextra -Wno-clobbered"
174 AC_TRY_COMPILE([],[],nmh_cv_has_wextra=yes,nmh_cv_has_wextra=no)
175 CFLAGS="$nmh_saved_cflags"])
177 AC_CACHE_CHECK([whether compiler supports -Wno-pointer-sign], [nmh_cv_has_noptrsign],
178 [nmh_saved_cflags="$CFLAGS"
179 CFLAGS="$CFLAGS -Wno-pointer-sign"
180 AC_TRY_COMPILE([],[],nmh_cv_has_noptrsign=yes,nmh_cv_has_noptrsign=no)
181 CFLAGS="$nmh_saved_cflags"])
183 dnl if the user hasn't specified CFLAGS, then
184 dnl if compiler is gcc, then
185 dnl use -O2 and some warning flags
187 dnl We use -Wall and -Wextra if supported. If the compiler supports it we
188 dnl also use -Wno-pointer-sign, because gcc 4 now produces a lot of new
189 dnl warnings which are probably mostly spurious and which in any case we
190 dnl don't want to deal with now.
191 if test "$nmh_cv_has_noptrsign" = "yes"; then
192 if test "$nmh_cv_has_wextra" = "yes"; then
193 nmh_gcc_warnflags="-Wall -Wextra -Wno-clobbered -Wno-pointer-sign"
195 nmh_gcc_warnflags="-Wall -Wno-pointer-sign"
198 if test "$nmh_cv_has_wextra" = "yes"; then
199 nmh_gcc_warnflags="-Wall -Wextra -Wno-clobbered"
201 nmh_gcc_warnflags="-Wall"
205 if test -n "$auto_cflags"; then
206 if test x"$enable_debug" = x"yes"; then
207 if test -n "$GCC"; then
208 test -z "$CFLAGS" && CFLAGS="$nmh_gcc_warnflags -g" || CFLAGS="$CFLAGS $nmh_gcc_warnflags -g"
210 test -z "$CFLAGS" && CFLAGS=-g || CFLAGS="$CFLAGS -g"
213 if test -z "$LDFLAGS"; then
223 if test -n "$GCC"; then
224 test -z "$CFLAGS" && CFLAGS="$nmh_gcc_warnflags -O2" || CFLAGS="$CFLAGS $nmh_gcc_warnflags -O2"
226 test -z "$CFLAGS" && CFLAGS=-O || CFLAGS="$CFLAGS -O"
231 AC_C_CONST dnl Does compiler support `const'.
233 dnl ------------------
234 dnl CHECK FOR PROGRAMS
235 dnl ------------------
236 AC_PROG_MAKE_SET dnl Does make define $MAKE
237 AC_PROG_INSTALL dnl Check for BSD compatible `install'
238 AC_PROG_RANLIB dnl Check for `ranlib'
239 AC_PROG_AWK dnl Check for mawk,gawk,nawk, then awk
240 AC_PROG_SED dnl Check for Posix-compliant sed
241 AC_PROG_LEX dnl Check for lex/flex
244 pathtmp=/usr/bin:/bin:/usr/local/bin:/usr/xpg4/bin:/usr/ucb
245 AC_PATH_PROG([cutpath], [cut], [no], [$pathtmp])
248 dnl Check for MD5 program and formatting command
250 AC_CHECK_PROGS([MD5SUM], [md5sum md5], [missing])
251 AS_CASE(["${MD5SUM}"],
252 [md5sum], [MD5FMT="cat"],
253 [md5], [[MD5FMT="${SED} -e 's/MD5 *(\(.*\)) *= \([0-9a-f]*\)/\2 \1/'"]],
257 dnl ----------------------------------------------
258 dnl check for lclint, and lint if it doesn't exist
259 dnl ----------------------------------------------
260 AC_CHECK_PROG(linttmp1, lclint, lclint, no)dnl
261 if test x$ac_cv_prog_linttmp1 != xno ; then
262 LINT=$ac_cv_prog_linttmp1
263 LINTFLAGS="-weak +posixlib -macrovarprefixexclude"
265 AC_CHECK_PROG(linttmp2, lint, lint, no)dnl
266 if test x$ac_cv_prog_linttmp2 != xno ; then
267 LINT=$ac_cv_prog_linttmp2
270 LINT="echo 'No lint program found'"
275 AC_SUBST([LINTFLAGS])dnl
278 pathtmp=/usr/bin:/bin:/usr/local/bin:/usr/xpg4/bin:/usr/ucb
279 AC_PATH_PROG([lspath], [ls], [no], [$pathtmp])
281 dnl See how we get ls to display the owner and the group
282 if test "$lspath" != "no"; then
283 AC_CACHE_CHECK([how to get ls to show us the group ownership of a file],
285 [if test x"`$lspath -dl / | $AWK '{print $9}'`" = x"/"; then
286 dnl There were 9 parameters, so unless this is a really bizarre, nonstandard
287 dnl ls, it would seem -l gave us both the user and group. On this type of
288 dnl ls, -g makes _only_ the group be displayed (and not the user).
289 nmh_cv_ls_grpopt="-l"
291 dnl Looks like -l only gave us the user, so we need -g to get the group too.
292 nmh_cv_ls_grpopt="-lg"
296 dnl Look for `sendmail'
297 pathtmp=/usr/lib:/usr/sbin:/usr/etc:/usr/ucblib:/usr/bin:/bin
298 AC_PATH_PROG([sendmailpath], [sendmail], [/usr/sbin/sendmail], [$pathtmp])
301 pathtmp=/usr/bin:/bin:/usr/ucb:/usr/local/bin
302 AC_PATH_PROG([vipath], [vi], [/bin/vi], [$pathtmp])
304 dnl If editor is not specified yet,
305 dnl then use `vi' as the default.
306 AS_IF([test -z "$editorpath"], [editorpath="$vipath"])
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.
383 AS_CASE(["$host_os"],
385 [# Like DEFS, but doesn't get stomped on by configure when using config.h:
386 AS_IF([test -z "$CPPFLAGS"],[CPPFLAGS="-D_GNU_SOURCE"],
387 [CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"])])
391 AC_CHECK_HEADERS([errno.h fcntl.h crypt.h ncurses/termcap.h termcap.h \
392 langinfo.h wchar.h wctype.h iconv.h netdb.h \
393 sys/param.h sys/time.h sys/stream.h])
396 dnl Checks for _IO_write_ptr. A Linuxism used by nmh on linux. We
397 dnl really use a whole set of them, but this check should be
400 AC_CHECK_HEADER(libio.h, [
401 AC_EGREP_HEADER(_IO_write_ptr, libio.h, [
402 AC_DEFINE(LINUX_STDIO,1,[Use the Linux _IO_*_ptr defines from <libio.h>.]) ]) ])
404 AC_CHECK_HEADER([sys/ptem.h], AC_DEFINE(WINSIZE_IN_PTEM,1,
405 [Define to 1 if `struct winsize' requires <sys/ptem.h>.]),,
406 [[#if HAVE_SYS_STREAM_H
407 # include <sys/stream.h>
414 AC_CHECK_FUNCS([wcwidth mbtowc writev lstat nl_langinfo])
416 dnl Check for multibyte character set support
417 if test "x$ac_cv_header_wchar_h" = "xyes" -a "x$ac_cv_header_wctype_h" = "xyes" \
418 -a "x$ac_cv_func_wcwidth" = "xyes" -a "x$ac_cv_func_mbtowc" = "xyes"; then
419 AC_DEFINE(MULTIBYTE_SUPPORT, 1,
420 [Define to enable support for multibyte character sets.])
423 dnl -------------------
424 dnl CHECK FOR LIBRARIES
425 dnl -------------------
426 dnl Check location of modf
427 AC_CHECK_FUNC([modf], , AC_CHECK_LIB([m], [modf]))
429 dnl Checks for network libraries (nsl, socket)
434 termcap_curses_order="termcap curses ncurses"
435 for lib in $termcap_curses_order; do
436 AC_CHECK_LIB(${lib}, tgetent, [TERMLIB="-l$lib"; break])
438 AC_SUBST([TERMLIB])dnl
439 AS_IF([test "x$TERMLIB" = "x"],
440 [AC_MSG_FAILURE([Could not find tgetent in any library. Is there a curses
441 or ncurses library or package that you can install?])])
448 dnl Find iconv. It may be in libiconv and may be iconv() or libiconv()
449 if test "x$ac_cv_header_iconv_h" = "xyes"; then
450 AC_CHECK_FUNC(iconv, ac_found_iconv=yes, ac_found_iconv=no)
451 if test "x$ac_found_iconv" = "xno"; then
452 AC_CHECK_LIB(iconv, iconv, ac_found_iconv=yes)
453 if test "x$ac_found_iconv" = "xno"; then
454 AC_CHECK_LIB(iconv, libiconv, ac_found_iconv=yes)
456 if test "x$ac_found_iconv" != "xno"; then
460 dnl Handle case where there is a native iconv but iconv.h is from libiconv
461 AC_CHECK_DECL(_libiconv_version,
462 [ AC_CHECK_LIB(iconv, libiconv, LIBS="-liconv $LIBS") ],,
463 [ #include <iconv.h> ])
466 if test "x$ac_found_iconv" = xyes; then
467 AC_DEFINE([HAVE_ICONV], [1], [Define if you have the iconv() function.])
471 dnl Check if iconv uses const in prototype declaration
472 if test "x$ac_found_iconv" = "xyes"; then
473 AC_CACHE_CHECK(for iconv declaration, ac_cv_iconv_const,
474 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdlib.h>
475 #include <iconv.h>]],
479 #if defined(__STDC__) || defined(__cplusplus)
480 size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
484 [ac_cv_iconv_const=],
485 [ac_cv_iconv_const=const])])
486 AC_DEFINE_UNQUOTED([ICONV_CONST], $ac_cv_iconv_const,
487 [Define as const if the declaration of iconv() needs const.])
494 AC_ARG_WITH([ndbm],AS_HELP_STRING([--with-ndbm=ARG],[use -lARG to link with ndbm]),
495 [nmh_ndbm=$withval],[nmh_ndbm=autodetect])
496 AC_ARG_WITH([ndbmheader],AS_HELP_STRING([--with-ndbmheader=ARG],[#include <ARG> to use ndbm]),
497 [nmh_ndbmheader=$withval],[nmh_ndbmheader=autodetect])
499 if test "$nmh_ndbm" = "autodetect"; then
500 if test "$nmh_ndbmheader" != "autodetect"; then
501 AC_MSG_ERROR([must specify both --with-ndbm and --with-ndbmheader or neither])
504 dnl There are at least four implementations of ndbm, and
505 dnl several of those can be in different places at the whim
506 dnl of the system integrator. A good summary of this mess
507 dnl can be found at http://www.unixpapa.com/incnote/dbm.html
509 dnl Classic ndbm with no library required (eg NetBSD): try this
510 dnl first so we don't accidentally link in a pointless but harmless
511 dnl library in one of the later ndbm.h+libfoo tests:
512 NMH_CHECK_NDBM(ndbm.h,,,
513 dnl Berkeley DBv2 emulating ndbm: header in db.h:
514 NMH_CHECK_NDBM(db.h,db,,
515 dnl Berkeley DBv1 emulating ndbm:
516 NMH_CHECK_NDBM(ndbm.h,db,,
517 NMH_CHECK_NDBM(ndbm.h,db1,,
519 NMH_CHECK_NDBM(ndbm.h,ndbm,,
520 dnl glibc2.1 systems put db1 in a subdir:
521 NMH_CHECK_NDBM(db1/ndbm.h,db1,,
522 dnl GNU gdbm emulating ndbm, with header possibly in gdbm/
523 dnl and possibly needing gbdm_compat library:
524 NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm,,
525 NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm_compat -lgdbm,,
526 NMH_CHECK_NDBM(ndbm.h,gdbm,,
527 NMH_CHECK_NDBM(ndbm.h,gdbm_compat -lgdbm))))))))))
531 dnl We don't really need to check that the user-specified values work,
532 dnl but it is a convenience to the user to bomb out early rather than
533 dnl after configure and half the compile process.
534 NMH_CHECK_NDBM([$nmh_ndbmheader],[$nmh_ndbm])
537 if test "$nmh_ndbm_found" = "no"; then
538 AC_MSG_ERROR([could not find a working ndbm library/header combination])
540 dnl Now export the lib/header to our makefile/config.h:
541 if test x"$nmh_ndbmheader" != x; then
542 AC_DEFINE_UNQUOTED(NDBM_HEADER, <$nmh_ndbmheader>,
543 [Define to the header containing the ndbm API prototypes.])
545 if test x"$nmh_ndbm" != x; then
546 NDBM_LIBS="-l$nmh_ndbm"
550 AC_SUBST([NDBM_LIBS])
553 dnl ------------------
554 dnl Set RPM build root
555 dnl ------------------
556 dnl nmhrpm is used in the final summary, see below. The default value is
557 dnl reported there as ./RPM, consistent with the reporting of the default
558 dnl source code location as ., but its absolute path is used in the Makefile.
560 AS_HELP_STRING([--with-rpmdir=RPMDIR], [RPM build directory @<:@RPM@:>@]))
561 AS_IF([test x"$with_rpmdir" = x], [rpmdir='$(abs_srcdir)/RPM'; nmhrpm=./RPM],
562 [rpmdir="$with_rpmdir"; eval "nmhrpm=${rpmdir}"])
566 dnl --------------------
567 dnl CHECK FOR CYRUS-SASL
568 dnl --------------------
570 AS_IF([test x"$sasl_support" = x"yes"],[
571 AC_CHECK_HEADER([sasl/sasl.h], , [AC_MSG_ERROR([sasl.h not found])])
572 AC_CHECK_LIB([sasl2], [sasl_client_new], [SASLLIB="-lsasl2"],
573 [AC_MSG_ERROR([Cyrus SASL library not found])])],[SASLLIB=""])
576 dnl -----------------
577 dnl CHECK FOR OPENSSL
578 dnl -----------------
580 AS_IF([test x"$tls_support" = x"yes"],[
581 AC_CHECK_HEADER([openssl/ssl.h], , [AC_MSG_ERROR([openssl/ssl.h not found])])
582 AC_CHECK_LIB([crypto], [BIO_write], ,
583 [AC_MSG_ERROR([OpenSSL crypto library not found])])
584 AC_CHECK_LIB([ssl], [SSL_library_init], ,
585 [AC_MSG_ERROR([OpenSSL library not found])])])
587 dnl ---------------------
588 dnl CHECK TERMCAP LIBRARY
589 dnl ---------------------
591 dnl Add the termcap library, so that the following configure
592 dnl tests will find it when it tries to link test programs.
593 nmh_save_LIBS="$LIBS"
594 LIBS="$TERMLIB $LIBS"
596 dnl Check if tgetent accepts NULL (and will allocate its own termcap buffer)
597 dnl Some termcaps reportedly accept a zero buffer, but then dump core
599 dnl Under Cygwin test program crashes but exit code is still 0. So,
600 dnl we test for a file that porgram should create
601 AH_TEMPLATE([TGETENT_ACCEPTS_NULL],
602 [Define to 1 if tgetent() accepts NULL as a buffer.])
603 AC_CACHE_CHECK(if tgetent accepts NULL,
604 nmh_cv_func_tgetent_accepts_null,
609 int r1 = tgetent(buf, "vt100");
610 int r2 = tgetent((char*)0,"vt100");
611 if (r1 >= 0 && r1 == r2) {
615 creat("conftest.tgetent", 0640);
617 exit((r1 != r2) || r2 == -1);
620 if test -f conftest.tgetent; then
621 nmh_cv_func_tgetent_accepts_null=yes
623 nmh_cv_func_tgetent_accepts_null=no
625 nmh_cv_func_tgetent_accepts_null=no,
626 nmh_cv_func_tgetent_accepts_null=no)])
627 if test x$nmh_cv_func_tgetent_accepts_null = xyes; then
628 AC_DEFINE(TGETENT_ACCEPTS_NULL)
630 AC_CACHE_CHECK(if tgetent returns 0 on success,
631 nmh_cv_func_tgetent_zero_success,
636 int r1 = tgetent(buf, "!@#$%^&*");
637 int r2 = tgetent(buf, "vt100");
638 if (r1 < 0 && r2 == 0) {
642 creat("conftest.tgetent0", 0640);
647 if test -f conftest.tgetent0; then
648 nmh_cv_func_tgetent_zero_success=yes
650 nmh_cv_func_tgetent_zero_success=no
652 nmh_cv_func_tgetent_zero_success=no,
653 nmh_cv_func_tgetent_zero_success=no)])
654 AH_TEMPLATE([TGETENT_SUCCESS],
655 [Define to what tgetent() returns on success (0 on HP-UX X/Open curses).])
656 if test x$nmh_cv_func_tgetent_zero_success = xyes; then
657 AC_DEFINE(TGETENT_SUCCESS, 0)
659 AC_DEFINE(TGETENT_SUCCESS, 1)
662 dnl Now put the libraries back to what it was before we
663 dnl starting checking the termcap library.
664 LIBS="$nmh_save_LIBS"
679 dnl For platforms such as FreeBSD that have tm_gmtoff in struct tm.
680 dnl (FreeBSD has a timezone() function but not a timezone global
681 dnl variable that is visible).
682 AC_CHECK_MEMBERS([struct tm.tm_gmtoff],,,[#include <time.h>])
684 AC_STRUCT_DIRENT_D_TYPE
686 dnl Where is <signal.h> located? Needed as input for signames.awk
687 AC_CACHE_CHECK(where signal.h is located, nmh_cv_path_signal_h,
688 [for SIGNAL_H in /usr/include/bsd/sys/signal.h dnl Next
689 /usr/include/asm/signal.h dnl Linux 1.3.0 and above
690 /usr/include/asm/signum.h dnl some versions of Linux/Alpha
691 /usr/include/linux/signal.h dnl Linux up to 1.2.11
692 /usr/include/sys/signal.h dnl Almost everybody else
693 /dev/null; dnl Just in case we fall through
695 test -f $SIGNAL_H && \
696 grep '#[ ]*define[ ][ ]*SIG[0-9A-Z]*[ ]*[0-9][0-9]*' $SIGNAL_H > /dev/null && \
699 nmh_cv_path_signal_h=$SIGNAL_H
701 SIGNAL_H=$nmh_cv_path_signal_h
702 AC_SUBST(SIGNAL_H)dnl
705 dnl Sigh, this is required because under the new world order autoconf has
706 dnl nothing to create in a few of the build directories when doing an object
707 dnl tree build. So make sure we created certain directories if they don't
711 AC_CONFIG_COMMANDS([build-directories],
712 [test -d etc || ${MKDIR_P} etc
713 test -d man || ${MKDIR_P} man])
715 AC_CONFIG_COMMANDS_POST([
717 dnl These odd looking assignments are done to expand out unexpanded
718 dnl variables in bindir et al (for instance mandir is '${datarootdir}/man'),
719 dnl but expanding that gives '${prefix}/share/man', so we need to expand
720 dnl again to get the final answer.
721 dnl We only use the expanded versions to print the install paths in
722 dnl the final summary and should use them nowhere else (see the autoconf
723 dnl docs for the rationale for bindir etc being unexpanded).
724 eval "nmhbin=${bindir}"; eval "nmhbin=${nmhbin}"
725 eval "nmhsysconf=${sysconfdir}"; eval "nmhsysconf=${nmhsysconf}"
726 eval "nmhlib=${libdir}"; eval "nmhlib=${nmhlib}"
727 eval "nmhman=${mandir}"; eval "nmhman=${nmhman}"
728 eval "nmhrpm=${nmhrpm}";
733 nmh version : AC_PACKAGE_VERSION
736 compiler flags : ${CFLAGS}
737 linker flags : ${LDFLAGS}
738 preprocessor flags : ${CPPFLAGS}
739 source code location : ${srcdir}
740 binary install path : ${nmhbin}
741 library install path : ${nmhlib}
742 config files install path : ${nmhsysconf}
743 man page install path : ${nmhman}
744 RPM build root : ${nmhrpm}
745 backup prefix : ${backup_prefix}
746 transport system : ${MTS}
747 file locking type : ${LOCKTYPE}
748 default smtp servers : ${smtpservers}
749 default editor : ${editorpath}
750 default pager : ${pagerpath}
751 SASL support : ${sasl_support}
752 TLS support : ${tls_support}
758 AC_CONFIG_FILES([Makefile test/common.sh])