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 echo "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 echo "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 if test x"$with_hash_backup" != x -a x"$with_hash_backup" != x"no"; then
83 AC_DEFINE_UNQUOTED([BACKUP_PREFIX], "$backup_prefix",
84 [The prefix that is prepended to the name of message files when they are "removed" by rmm. This should typically be `,' or `#'.])dnl
86 dnl What method of locking to use?
88 AS_HELP_STRING([--with-locking=@<:@dot|fcntl|flock|lockf@:>@],
89 [specify the file locking method]))
91 if test x"$with_locking" = x"dot"; then
93 AC_DEFINE(DOT_LOCKING, 1, [Define to use dot based file locking.])dnl
94 elif test x"$with_locking" = x"flock"; then
96 AC_DEFINE(FLOCK_LOCKING, 1, [Define to use flock() based locking.])dnl
97 elif test x"$with_locking" = x"lockf"; then
99 AC_DEFINE(LOCKF_LOCKING, 1, [Define to use lockf() based locking.])dnl
100 elif test x"$with_locking" = x"fcntl"; then
102 AC_DEFINE(FCNTL_LOCKING, 1, [Define to use fnctl() based locking.])dnl
105 AC_DEFINE(DOT_LOCKING)dnl
108 dnl Should we use a locking directory?
109 AC_ARG_ENABLE([lockdir], [
110 AS_HELP_STRING([--enable-lockdir=dir], [Store dot-lock files in "dir"])], [
111 AS_IF([test "x$enableval" = xyes],[
112 AC_MSG_ERROR([--enable-lockdir requires an argument])])
113 AS_IF([test "x$LOCKTYPE" != xdot],[
114 AC_MSG_ERROR([Can only use --enable-lockdir with dot locking])])
115 AC_DEFINE_UNQUOTED([LOCKDIR], ["$enableval"],
116 [Directory to store dot-locking lock files])
119 dnl What method of posting should post use?
121 AS_HELP_STRING([--with-mts=@<:@smtp|sendmail@:>@],
122 [specify the default mail transport agent/service]))
124 AS_IF([test x"$with_mts" = x"smtp"], [MTS="smtp"],
125 [test x"$with_mts" = x"sendmail"], [MTS="sendmail"],
129 dnl Both the smtp and sendmail mail transport services use the smtp code
130 AC_DEFINE([SMTPMTS], [1],
131 [Define if you want SMTP (simple mail transport protocol) support.])dnl
133 dnl What should be the default pager?
135 AS_HELP_STRING([--with-pager=PAGER],[specify the default pager]))
137 if test -n "$with_pager"; then
138 pagerpath="$with_pager"
141 dnl What should be the default mail server(s)?
142 AC_ARG_WITH(smtpservers,
143 AS_HELP_STRING([--with-smtpservers='SMTPSERVER1@<:@ SMTPSERVER2...@:>@'],
144 [specify the default SMTP server(s) @<:@localhost@:>@]))
145 AS_IF([test -n "$with_smtpservers"], [smtpservers="$with_smtpservers"],
146 [smtpservers="localhost"])
147 AC_SUBST([smtpservers])dnl
149 dnl ----------------------------------------------------
150 dnl Default location is /usr/local/nmh/{bin,etc,lib,man}
151 dnl ----------------------------------------------------
152 AC_PREFIX_DEFAULT([/usr/local/nmh])
154 dnl ------------------
155 dnl CHECK THE COMPILER
156 dnl ------------------
157 dnl We want these before the checks,
158 dnl so the checks can modify their values.
159 test -z "$CFLAGS" && CFLAGS= auto_cflags=1
160 if test x"$enable_debug" = x"yes"; then
161 test -z "$LDFLAGS" && LDFLAGS=-g
167 AC_CACHE_CHECK([whether preprocessor supports -Wunused-macros],
168 [nmh_cv_has_unusedmacros],
169 [nmh_saved_cppflags="$CPPFLAGS"
170 CPPFLAGS="$CPPFLAGS -Wunused-macros -Wno-unused-macros"
171 AC_TRY_COMPILE([],[],nmh_cv_has_unusedmacros=yes,nmh_cv_has_unusedmacros=no)
172 CPPFLAGS="$nmh_saved_cppflags"])
174 if test "$nmh_cv_has_unusedmacros" = 'yes'; then
175 test -z "$CPPLAGS" && CPPFLAGS=-Wunused-macros \
176 || CPPFLAGS="$CPPFLAGS -Wunused-macros"
177 DISABLE_UNUSED_MACROS_WARNING=-Wno-unused-macros
179 AC_SUBST(DISABLE_UNUSED_MACROS_WARNING)dnl
181 AC_CACHE_CHECK([whether compiler supports -Wextra], [nmh_cv_has_wextra],
182 [nmh_saved_cflags="$CFLAGS"
183 CFLAGS="$CFLAGS -Wextra -Wno-clobbered"
184 AC_TRY_COMPILE([],[],nmh_cv_has_wextra=yes,nmh_cv_has_wextra=no)
185 CFLAGS="$nmh_saved_cflags"])
187 AC_CACHE_CHECK([whether compiler supports -Wno-pointer-sign], [nmh_cv_has_noptrsign],
188 [nmh_saved_cflags="$CFLAGS"
189 CFLAGS="$CFLAGS -Wno-pointer-sign"
190 AC_TRY_COMPILE([],[],nmh_cv_has_noptrsign=yes,nmh_cv_has_noptrsign=no)
191 CFLAGS="$nmh_saved_cflags"])
193 dnl if the user hasn't specified CFLAGS, then
194 dnl if compiler is gcc, then
195 dnl use -O2 and some warning flags
197 dnl We use -Wall and -Wextra if supported. If the compiler supports it we
198 dnl also use -Wno-pointer-sign, because gcc 4 now produces a lot of new
199 dnl warnings which are probably mostly spurious and which in any case we
200 dnl don't want to deal with now.
201 if test "$nmh_cv_has_noptrsign" = "yes"; then
202 if test "$nmh_cv_has_wextra" = "yes"; then
203 nmh_gcc_warnflags="-Wall -Wextra -Wno-clobbered -Wno-pointer-sign"
205 nmh_gcc_warnflags="-Wall -Wno-pointer-sign"
208 if test "$nmh_cv_has_wextra" = "yes"; then
209 nmh_gcc_warnflags="-Wall -Wextra -Wno-clobbered"
211 nmh_gcc_warnflags="-Wall"
215 if test -n "$auto_cflags"; then
216 if test x"$enable_debug" = x"yes"; then
217 if test -n "$GCC"; then
218 test -z "$CFLAGS" && CFLAGS="$nmh_gcc_warnflags -g" || CFLAGS="$CFLAGS $nmh_gcc_warnflags -g"
220 test -z "$CFLAGS" && CFLAGS=-g || CFLAGS="$CFLAGS -g"
223 if test -z "$LDFLAGS"; then
233 if test -n "$GCC"; then
234 test -z "$CFLAGS" && CFLAGS="$nmh_gcc_warnflags -O2" || CFLAGS="$CFLAGS $nmh_gcc_warnflags -O2"
236 test -z "$CFLAGS" && CFLAGS=-O || CFLAGS="$CFLAGS -O"
241 AC_C_CONST dnl Does compiler support `const'.
243 dnl ------------------
244 dnl CHECK FOR PROGRAMS
245 dnl ------------------
246 AC_PROG_MAKE_SET dnl Does make define $MAKE
247 AC_PROG_INSTALL dnl Check for BSD compatible `install'
248 AC_PROG_RANLIB dnl Check for `ranlib'
249 AC_PROG_AWK dnl Check for mawk,gawk,nawk, then awk
250 AC_PROG_SED dnl Check for Posix-compliant sed
251 AC_PROG_LEX dnl Check for lex/flex
254 pathtmp=/usr/bin:/bin:/usr/local/bin:/usr/xpg4/bin:/usr/ucb
255 AC_PATH_PROG(cutpath, cut, no, [$pathtmp])
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 $9}'`" = x"/"; then
286 dnl There were 9 parameters, so unless this is a really bizarre, nonstandard
287 dnl ls, it would seem -l gave us both the user and group. On this type of
288 dnl ls, -g makes _only_ the group be displayed (and not the user).
289 nmh_cv_ls_grpopt="-l"
291 dnl Looks like -l only gave us the user, so we need -g to get the group too.
292 nmh_cv_ls_grpopt="-lg"
297 pathtmp=/usr/bin:/bin:/usr/ucb:/usr/local/bin
298 AC_PATH_PROG([morepath], [more], [no], [$pathtmp])
300 dnl If pager is not specified yet,
301 dnl then use `more' as the default.
302 if test -z "$pagerpath"; then
303 pagerpath="$morepath"
305 AC_SUBST(pagerpath)dnl
307 dnl Look for `sendmail'
308 pathtmp=/usr/lib:/usr/sbin:/usr/etc:/usr/ucblib:/usr/bin:/bin
309 AC_PATH_PROG([sendmailpath], [sendmail], [/usr/sbin/sendmail], [$pathtmp])
312 pathtmp=/usr/bin:/bin:/usr/ucb:/usr/local/bin
313 AC_PATH_PROG([vipath], [vi], [/bin/vi], [$pathtmp])
315 dnl If editor is not specified yet,
316 dnl then use `vi' as the default.
317 AS_IF([test -z "$editorpath"], [editorpath="$vipath"])
318 AC_SUBST([editorpath])dnl
320 dnl ----------------------------------------------------------
321 dnl FIND MAIL SPOOL AND SEE IF WE NEED TO MAKE inc SETGID MAIL
322 dnl ----------------------------------------------------------
323 AC_CACHE_CHECK(where mail spool is located, nmh_cv_mailspool,
324 [for mailspool in /var/mail dnl
327 /dev/null; dnl Just in case we fall through
329 test -d $mailspool && break
331 nmh_cv_mailspool=$mailspool
333 mailspool=$nmh_cv_mailspool
334 AC_SUBST(mailspool)dnl
336 dnl See whether the mail spool directory is world-writable.
337 if test "$lspath" != "no" -a "$cutpath" != "no"; then
338 AC_CACHE_CHECK(whether the mail spool is world-writable,
339 nmh_cv_mailspool_world_writable,
340 [if test "`$lspath -dlL $mailspool | $cutpath -c9`" = "-"; then
341 nmh_cv_mailspool_world_writable=no
343 nmh_cv_mailspool_world_writable=yes
347 dnl Also, check for liblockfile (as found on Debian systems)
348 AC_CHECK_HEADER([lockfile.h], AC_CHECK_LIB(lockfile, lockfile_create) )
350 dnl and whether its companion program dotlockfile is setgid
351 AC_PATH_PROG(dotlockfilepath, dotlockfile, no)
352 if test "$ac_cv_lib_lockfile_lockfile_create" != "no" ; then
353 if test "$ac_cv_path_dotlockfilepath" != "no" ; then
354 AC_CACHE_CHECK(whether dotlockfile is setgid, nmh_cv_dotlockfile_setgid,
355 [ if test -g "$ac_cv_path_dotlockfilepath" ; then
356 nmh_cv_dotlockfile_setgid=yes
358 nmh_cv_dotlockfile_setgid=no
363 dnl If mailspool is not world-writable and dotlockfile is not setgid,
364 dnl we need to #define MAILGROUP to 1 and make inc setgid.
365 if test x"$LOCKTYPE" = x"dot" -a x"$nmh_cv_mailspool_world_writable" = x"no" -a x"$nmh_cv_dotlockfile_setgid" != x"yes" ; then
366 dnl do we really need both of these?
367 AC_DEFINE(MAILGROUP,1,
368 [Define to 1 if you need to make `inc' set-group-id because your mail spool is not world writable. There are no guarantees as to the safety of doing this, but this #define will add some extra security checks.])dnl
371 AC_SUBST(SETGID_MAIL)dnl
373 dnl Use ls to see which group owns the mail spool directory.
374 AC_CACHE_CHECK(what group owns the mail spool, nmh_cv_ls_mail_grp,
375 [nmh_cv_ls_mail_grp=`$lspath -dL $nmh_cv_ls_grpopt $mailspool|$AWK '{print $4}'`
377 MAIL_SPOOL_GRP=$nmh_cv_ls_mail_grp
378 AC_SUBST(MAIL_SPOOL_GRP)dnl
380 dnl ------------------
381 dnl CHECK HEADER FILES
382 dnl ------------------
384 dnl On glibc we need to define at least the '_XOPEN_SOURCE' level of features,
385 dnl or wchar.h doesn't declare a prototype for wcwidth(). But if we only define
386 dnl that level then db.h won't compile. So we define _GNU_SOURCE which turns
387 dnl on everything. Perhaps other OSes need some feature switch set to get wcwidth()
388 dnl declared; if so they should have an entry added to this case statement.
389 dnl NB that we must define this on the compiler command line, not in config.h,
390 dnl because it must be set before any system header is included and there's no
391 dnl portable way to make sure that files generated by lex include config.h
392 dnl before system header files.
396 # Like DEFS, but doesn't get stomped on by configure when using config.h:
397 test -z "$OURDEFS" && OURDEFS="-D_GNU_SOURCE" \
398 || OURDEFS="$OURDEFS -D_GNU_SOURCE"
405 AC_CHECK_HEADERS(errno.h fcntl.h crypt.h ncurses/termcap.h termcap.h \
406 langinfo.h wchar.h wctype.h iconv.h netdb.h \
407 sys/param.h sys/time.h sys/stream.h)
410 dnl Checks for _IO_write_ptr. A Linuxism used by nmh on linux. We
411 dnl really use a whole set of them, but this check should be
414 AC_CHECK_HEADER(libio.h, [
415 AC_EGREP_HEADER(_IO_write_ptr, libio.h, [
416 AC_DEFINE(LINUX_STDIO,1,[Use the Linux _IO_*_ptr defines from <libio.h>.]) ]) ])
418 AC_CHECK_HEADER([sys/ptem.h], AC_DEFINE(WINSIZE_IN_PTEM,1,
419 [Define to 1 if `struct winsize' requires <sys/ptem.h>.]),,
420 [[#if HAVE_SYS_STREAM_H
421 # include <sys/stream.h>
428 AC_CHECK_FUNCS(writev lstat nl_langinfo)
430 dnl Check for multibyte character set support
431 if test "x$ac_cv_header_wchar_h" = "xyes" -a "x$ac_cv_header_wctype_h" = "xyes" \
432 -a "x$ac_cv_func_wcwidth" = "xyes" -a "x$ac_cv_func_mbtowc" = "xyes"; then
433 AC_DEFINE(MULTIBYTE_SUPPORT, 1,
434 [Define to enable support for multibyte character sets.])
437 dnl -------------------
438 dnl CHECK FOR LIBRARIES
439 dnl -------------------
440 dnl Check location of modf
441 AC_CHECK_FUNC([modf], , AC_CHECK_LIB([m], [modf]))
443 dnl Checks for network libraries (nsl, socket)
446 termcap_curses_order="termcap curses ncurses"
447 for lib in $termcap_curses_order; do
448 AC_CHECK_LIB(${lib}, tgetent, [TERMLIB="-l$lib"; break])
450 AC_SUBST([TERMLIB])dnl
451 AS_IF([test "x$TERMLIB" = "x"],
452 [AC_MSG_FAILURE([Could not find tgetent in any library. Is there a curses
453 or ncurses library or package that you can install?])])
460 dnl Find iconv. It may be in libiconv and may be iconv() or libiconv()
461 if test "x$ac_cv_header_iconv_h" = "xyes"; then
462 AC_CHECK_FUNC(iconv, ac_found_iconv=yes, ac_found_iconv=no)
463 if test "x$ac_found_iconv" = "xno"; then
464 AC_CHECK_LIB(iconv, iconv, ac_found_iconv=yes)
465 if test "x$ac_found_iconv" = "xno"; then
466 AC_CHECK_LIB(iconv, libiconv, ac_found_iconv=yes)
468 if test "x$ac_found_iconv" != "xno"; then
472 dnl Handle case where there is a native iconv but iconv.h is from libiconv
473 AC_CHECK_DECL(_libiconv_version,
474 [ AC_CHECK_LIB(iconv, libiconv, LIBS="-liconv $LIBS") ],,
475 [ #include <iconv.h> ])
478 if test "x$ac_found_iconv" = xyes; then
479 AC_DEFINE([HAVE_ICONV], [1], [Define if you have the iconv() function.])
483 dnl Check if iconv uses const in prototype declaration
484 if test "x$ac_found_iconv" = "xyes"; then
485 AC_CACHE_CHECK(for iconv declaration, ac_cv_iconv_const,
486 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdlib.h>
487 #include <iconv.h>]],
491 #if defined(__STDC__) || defined(__cplusplus)
492 size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
496 [ac_cv_iconv_const=],
497 [ac_cv_iconv_const=const])])
498 AC_DEFINE_UNQUOTED([ICONV_CONST], $ac_cv_iconv_const,
499 [Define as const if the declaration of iconv() needs const.])
506 AC_ARG_WITH([ndbm],AS_HELP_STRING([--with-ndbm=ARG],[use -lARG to link with ndbm]),
507 [nmh_ndbm=$withval],[nmh_ndbm=autodetect])
508 AC_ARG_WITH([ndbmheader],AS_HELP_STRING([--with-ndbmheader=ARG],[#include <ARG> to use ndbm]),
509 [nmh_ndbmheader=$withval],[nmh_ndbmheader=autodetect])
511 if test "$nmh_ndbm" = "autodetect"; then
512 if test "$nmh_ndbmheader" != "autodetect"; then
513 AC_MSG_ERROR([must specify both --with-ndbm and --with-ndbmheader or neither])
516 dnl There are at least four implementations of ndbm, and
517 dnl several of those can be in different places at the whim
518 dnl of the system integrator. A good summary of this mess
519 dnl can be found at http://www.unixpapa.com/incnote/dbm.html
521 dnl Classic ndbm with no library required (eg NetBSD): try this
522 dnl first so we don't accidentally link in a pointless but harmless
523 dnl library in one of the later ndbm.h+libfoo tests:
524 NMH_CHECK_NDBM(ndbm.h,,,
525 dnl Berkeley DBv2 emulating ndbm: header in db.h:
526 NMH_CHECK_NDBM(db.h,db,,
527 dnl Berkeley DBv1 emulating ndbm:
528 NMH_CHECK_NDBM(ndbm.h,db,,
529 NMH_CHECK_NDBM(ndbm.h,db1,,
531 NMH_CHECK_NDBM(ndbm.h,ndbm,,
532 dnl glibc2.1 systems put db1 in a subdir:
533 NMH_CHECK_NDBM(db1/ndbm.h,db1,,
534 dnl GNU gdbm emulating ndbm, with header possibly in gdbm/
535 dnl and possibly needing gbdm_compat library:
536 NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm,,
537 NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm_compat -lgdbm,,
538 NMH_CHECK_NDBM(ndbm.h,gdbm,,
539 NMH_CHECK_NDBM(ndbm.h,gdbm_compat -lgdbm))))))))))
543 dnl We don't really need to check that the user-specified values work,
544 dnl but it is a convenience to the user to bomb out early rather than
545 dnl after configure and half the compile process.
546 NMH_CHECK_NDBM([$nmh_ndbmheader],[$nmh_ndbm])
549 if test "$nmh_ndbm_found" = "no"; then
550 AC_MSG_ERROR([could not find a working ndbm library/header combination])
552 dnl Now export the lib/header to our makefile/config.h:
553 if test x"$nmh_ndbmheader" != x; then
554 AC_DEFINE_UNQUOTED(NDBM_HEADER, <$nmh_ndbmheader>,
555 [Define to the header containing the ndbm API prototypes.])
557 if test x"$nmh_ndbm" != x; then
558 NDBM_LIBS="-l$nmh_ndbm"
562 AC_SUBST([NDBM_LIBS])
565 dnl ------------------
566 dnl Set RPM build root
567 dnl ------------------
568 dnl nmhrpm is used in the final summary, see below. The default value is
569 dnl reported there as ./RPM, consistent with the reporting of the default
570 dnl source code location as ., but its absolute path is used in the Makefile.
572 AS_HELP_STRING([--with-rpmdir=RPMDIR], [RPM build directory @<:@RPM@:>@]))
573 AS_IF([test x"$with_rpmdir" = x], [rpmdir='$(abs_srcdir)/RPM'; nmhrpm=./RPM],
574 [rpmdir="$with_rpmdir"; eval "nmhrpm=${rpmdir}"])
578 dnl --------------------
579 dnl CHECK FOR CYRUS-SASL
580 dnl --------------------
582 AS_IF([test x"$sasl_support" = x"yes"],[
583 AC_CHECK_HEADER([sasl/sasl.h], , [AC_MSG_ERROR([sasl.h not found])])
584 AC_CHECK_LIB([sasl2], [sasl_client_new], [SASLLIB="-lsasl2"],
585 [AC_MSG_ERROR([Cyrus SASL library not found])])],[SASLLIB=""])
588 dnl -----------------
589 dnl CHECK FOR OPENSSL
590 dnl -----------------
592 AS_IF([test x"$tls_support" = x"yes"],[
593 AC_CHECK_HEADER([openssl/ssl.h], , [AC_MSG_ERROR([openssl/ssl.h not found])])
594 AC_CHECK_LIB([crypto], [BIO_write], ,
595 [AC_MSG_ERROR([OpenSSL crypto library not found])])
596 AC_CHECK_LIB([ssl], [SSL_library_init], ,
597 [AC_MSG_ERROR([OpenSSL library not found])])])
599 dnl ---------------------
600 dnl CHECK TERMCAP LIBRARY
601 dnl ---------------------
603 dnl Add the termcap library, so that the following configure
604 dnl tests will find it when it tries to link test programs.
605 nmh_save_LIBS="$LIBS"
606 LIBS="$TERMLIB $LIBS"
608 dnl Check if tgetent accepts NULL (and will allocate its own termcap buffer)
609 dnl Some termcaps reportedly accept a zero buffer, but then dump core
611 dnl Under Cygwin test program crashes but exit code is still 0. So,
612 dnl we test for a file that porgram should create
613 AH_TEMPLATE([TGETENT_ACCEPTS_NULL],
614 [Define to 1 if tgetent() accepts NULL as a buffer.])
615 AC_CACHE_CHECK(if tgetent accepts NULL,
616 nmh_cv_func_tgetent_accepts_null,
621 int r1 = tgetent(buf, "vt100");
622 int r2 = tgetent((char*)0,"vt100");
623 if (r1 >= 0 && r1 == r2) {
627 creat("conftest.tgetent", 0640);
629 exit((r1 != r2) || r2 == -1);
632 if test -f conftest.tgetent; then
633 nmh_cv_func_tgetent_accepts_null=yes
635 nmh_cv_func_tgetent_accepts_null=no
637 nmh_cv_func_tgetent_accepts_null=no,
638 nmh_cv_func_tgetent_accepts_null=no)])
639 if test x$nmh_cv_func_tgetent_accepts_null = xyes; then
640 AC_DEFINE(TGETENT_ACCEPTS_NULL)
642 AC_CACHE_CHECK(if tgetent returns 0 on success,
643 nmh_cv_func_tgetent_zero_success,
648 int r1 = tgetent(buf, "!@#$%^&*");
649 int r2 = tgetent(buf, "vt100");
650 if (r1 < 0 && r2 == 0) {
654 creat("conftest.tgetent0", 0640);
659 if test -f conftest.tgetent0; then
660 nmh_cv_func_tgetent_zero_success=yes
662 nmh_cv_func_tgetent_zero_success=no
664 nmh_cv_func_tgetent_zero_success=no,
665 nmh_cv_func_tgetent_zero_success=no)])
666 AH_TEMPLATE([TGETENT_SUCCESS],
667 [Define to what tgetent() returns on success (0 on HP-UX X/Open curses).])
668 if test x$nmh_cv_func_tgetent_zero_success = xyes; then
669 AC_DEFINE(TGETENT_SUCCESS, 0)
671 AC_DEFINE(TGETENT_SUCCESS, 1)
674 dnl Now put the libraries back to what it was before we
675 dnl starting checking the termcap library.
676 LIBS="$nmh_save_LIBS"
691 dnl For platforms such as FreeBSD that have tm_gmtoff in struct tm.
692 dnl (FreeBSD has a timezone() function but not a timezone global
693 dnl variable that is visible).
694 AC_CHECK_MEMBERS([struct tm.tm_gmtoff],,,[#include <time.h>])
696 AC_STRUCT_DIRENT_D_TYPE
698 dnl Where is <signal.h> located? Needed as input for signames.awk
699 AC_CACHE_CHECK(where signal.h is located, nmh_cv_path_signal_h,
700 [for SIGNAL_H in /usr/include/bsd/sys/signal.h dnl Next
701 /usr/include/asm/signal.h dnl Linux 1.3.0 and above
702 /usr/include/asm/signum.h dnl some versions of Linux/Alpha
703 /usr/include/linux/signal.h dnl Linux up to 1.2.11
704 /usr/include/sys/signal.h dnl Almost everybody else
705 /dev/null; dnl Just in case we fall through
707 test -f $SIGNAL_H && \
708 grep '#[ ]*define[ ][ ]*SIG[0-9A-Z]*[ ]*[0-9][0-9]*' $SIGNAL_H > /dev/null && \
711 nmh_cv_path_signal_h=$SIGNAL_H
713 SIGNAL_H=$nmh_cv_path_signal_h
714 AC_SUBST(SIGNAL_H)dnl
717 dnl Sigh, this is required because under the new world order autoconf has
718 dnl nothing to create in a few of the build directories when doing an object
719 dnl tree build. So make sure we created certain directories if they don't
723 AC_CONFIG_COMMANDS([build-directories],
724 [test -d etc || ${MKDIR_P} etc
725 test -d man || ${MKDIR_P} man])
727 AC_CONFIG_COMMANDS_POST([
729 dnl These odd looking assignments are done to expand out unexpanded
730 dnl variables in bindir et al (for instance mandir is '${datarootdir}/man',
731 dnl but expanding that gives '${prefix}/share/man', so we need to expand
732 dnl again to get the final answer.
733 dnl We only use the expanded versions to print the install paths in
734 dnl the final summary and should use them nowhere else (see the autoconf
735 dnl docs for the rationale for bindir etc being unexpanded).
736 eval "nmhbin=${bindir}"; eval "nmhbin=${nmhbin}"
737 eval "nmhsysconf=${sysconfdir}"; eval "nmhsysconf=${nmhsysconf}"
738 eval "nmhlib=${libdir}"; eval "nmhlib=${nmhlib}"
739 eval "nmhman=${mandir}"; eval "nmhman=${nmhman}"
740 eval "nmhrpm=${nmhrpm}";
745 nmh version : AC_PACKAGE_VERSION
748 compiler flags : ${CFLAGS}
749 linker flags : ${LDFLAGS}
750 definitions : ${OURDEFS}
751 source code location : ${srcdir}
752 binary install path : ${nmhbin}
753 library install path : ${nmhlib}
754 config files install path : ${nmhsysconf}
755 man page install path : ${nmhman}
756 RPM build root : ${nmhrpm}
757 backup prefix : ${backup_prefix}
758 transport system : ${MTS}
759 file locking type : ${LOCKTYPE}
760 default smtp servers : ${smtpservers}
761 default editor : ${editorpath}
762 default pager : ${pagerpath}
763 email address masquerading : ${masquerade}
764 SASL support : ${sasl_support}
765 TLS support : ${tls_support}"
771 AC_CONFIG_FILES([Makefile])