1 dnl Autoconfigure input file for fetchmail
3 # Fetchmail automatic configuration support
5 # Eric S. Raymond <esr@thyrsus.com>
6 # 2004 - 2010 Matthias Andree <matthias.andree@gmx.de>
8 dnl Process this file with autoconf to produce a configure script.
11 dnl XXX - if bumping version here, check fetchmail.man, too!
12 AC_INIT([fetchmail],[6.4.0-alpha1],[fetchmail-devel@lists.berlios.de])
13 AC_CONFIG_SRCDIR([fetchmail.h])
14 AC_CONFIG_HEADERS([config.h])
15 AC_CONFIG_LIBOBJ_DIR([.])
19 dnl automake options are in Makefile.am
21 dnl 2.60 required for AC_USE_SYSTEM_EXTENSIONS
24 dnl python is optional
26 # you can pass PYTHON=: in environment or on the command line
27 # to disable python detection and continue without building/installing
28 # fetchmail.conf -- be sure to check README.packaging, too!
30 AM_PATH_PYTHON(2.0,,AC_MSG_WARN([Disabling fetchmailconf: python 2.0 or greater not found]))
31 AM_CONDITIONAL([HAVE_PYTHON], [test "$PYTHON" != :])
37 AC_PROG_CPP dnl Later checks need this.
40 AC_USE_SYSTEM_EXTENSIONS
42 dnl check for b0rked Solaris (and other shells) and find one that works
43 AC_MSG_CHECKING(for a working shell...)
44 for i in /usr/xpg6/bin/sh /usr/xpg4/bin/sh /usr/ccs/bin/sh /bin/sh /usr/bin/sh /bin/ksh /bin/bash /usr/local/bin/bash ; do
45 $i -c 'if ! false ; then echo $(echo ok) ; fi' >config.$$ 2>/dev/null
48 if test "x$j" = "xok" ; then
55 if test "x$SHELL" = "x" ; then
56 AC_MSG_ERROR(no SUS compliant shell found - on Solaris, install SUNWxcu4)
64 AC_CHECK_HEADERS([stdarg.h \
65 sys/itimer.h fcntl.h sys/fcntl.h memory.h sys/wait.h \
66 arpa/inet.h arpa/nameser.h netinet/in.h net/socket.h netdb.h \
67 sys/select.h sys/socket.h sys/time.h langinfo.h md5.h])
68 if test _$ac_cv_header_stdarg_h != _yes ; then
69 AC_MSG_WARN([stdarg.h is not defined. Unsupported configuration, proceed at your own risk.])
71 AC_CHECK_TYPE(u_int32_t,,
72 AC_DEFINE(u_int32_t,unsigned int,
73 [Define to unsigned int if <sys/types.h> does not define.]),
75 #ifdef HAVE_ARPA_NAMESER_H
76 #include <arpa/nameser.h>
78 AC_CHECK_HEADERS([resolv.h],,,[
79 #include <sys/types.h>
80 #ifdef HAVE_NETINET_IN_H
81 #include <netinet/in.h>
83 #ifdef HAVE_ARPA_NAMESER_H
84 #include <arpa/nameser.h>
88 AC_CHECK_DECLS([h_errno],,,[
95 AC_C_CONST dnl getopt needs this.
101 # Check for OS special cases
104 AC_MSG_NOTICE(found Darwin - Adding -DBIND_8_COMPAT to CFLAGS)
105 CPPFLAGS="$CPPFLAGS -DBIND_8_COMPAT"
107 # Check for FreeBSD special case: more libs needed
109 AC_MSG_NOTICE(found FreeBSD - Adding -lkvm -lcom_err to standard libraries)
110 LIBS="$LIBS -lkvm -lcom_err"
112 # Check for LynxOS special case: -lbsd needed (at least on 2.3.0) and -s
115 AC_MSG_NOTICE(found LynxOS - Adding -lbsd to standard libraries)
117 LDFLAGS=`echo $LDFLAGS | sed "s/-s //"`
118 AC_MSG_NOTICE(found LynxOS - Prepending standard include path to gcc flags)
119 CPPFLAGS="$CPPFLAGS -I/usr/include"
121 # Check for Rhapsody special case: it doesn't like -s
123 AC_MSG_NOTICE(found Rhapsody - Removing -s load flag)
124 LDFLAGS=`echo $LDFLAGS | sed "s/-s //"`
131 AM_GNU_GETTEXT([external], [need-ngettext])
132 AM_GNU_GETTEXT_VERSION([0.17])
135 # Under sysV68, socket and friends are provided by the C library.
136 # -linet does not provide socket, but causes multiple definition
137 # errors at link-time. It is thus better to only use the C library.
138 # So don't add -linet to the link list unless it's necessary
139 AC_CHECK_FUNC(socket,
140 AC_MSG_RESULT(using libc's socket),
141 AC_CHECK_LIB(socket,socket)
142 AC_CHECK_LIB(inet,socket))
144 # The condition in this test copes with the presence of inet_addr in libc6.
145 AC_CHECK_FUNC(inet_addr,
146 AC_MSG_RESULT(using libc's inet_addr),
147 AC_CHECK_LIB(nsl,inet_addr))
149 dnl Port hack for Interactive UNIX System V/386 Release 3.2
150 AC_CHECK_LIB(cposix, strchr,
151 [DEFS="$DEFS -D_SYSV3"
152 LIBS="$LIBS -lcposix"])
154 dnl Port hack for Sparc/NetBSD-1.5
156 dnl NB: this has been disabled as it causes the unconditional
157 dnl addition of libintl to the build, which is both undesired
158 dnl and breaks on Solaris/Blastwave.org machines.
160 dnl AC_CHECK_LIB(intl, gettext,
161 dnl [LIBS="$LIBS -lintl"])
163 AC_REPLACE_FUNCS([strstr strcasecmp memmove stpcpy strlcpy strlcat])
166 if test "$ac_cv_header_md5_h" != no ; then
167 AC_SEARCH_LIBS(MD5Init, [md], [have_md5=yes])
170 if test "$have_md5" != yes ; then
172 EXTRAOBJ="$EXTRAOBJ md5c.\$(OBJEXT)"
175 AC_CHECK_FUNC(getopt_long, [],
176 [AC_LIBSOURCES([getopt.c, getopt1.c])
177 EXTRAOBJ="$EXTRAOBJ getopt.\$(OBJEXT) getopt1.\$(OBJEXT)"])
183 AC_CHECK_FUNCS(tcsetattr stty setsid geteuid seteuid dnl
184 strerror syslog snprintf vprintf vsnprintf vsyslog dnl
185 atexit inet_aton strftime setrlimit socketpair dnl
186 sigaction strdup setlocale)
188 AC_CHECK_DECLS([strerror,getenv])
189 dnl INET6 is used by KAME/getnameinfo
190 AC_CACHE_CHECK(for AF_INET6/PF_INET6,ac_cv_inet6,
193 #ifdef HAVE_SYS_TYPES_H
194 #include <sys/types.h>
196 #ifdef HAVE_SYS_SOCKET_H
197 #include <sys/socket.h>
203 ac_cv_inet6=yes , ac_cv_inet6=no
205 if test "x$ac_cv_inet6" = xyes
207 AC_DEFINE(INET6,1,Define to 1 if your system defines AF_INET6 and PF_INET6.)
210 # Under Red Hat 4.0 (and many other Linuxes) -lresolv is seriously flaky
211 # and breaks gethostbyname(2). It's better to use the bind stuff in the C
212 # library. So don't add -lresolv to the link list unless it's necessary
213 # (It will be necessary when using GNU libc6).
215 for lib in '' -lresolv; do
216 if test -z "$lib"; then
217 AC_MSG_CHECKING([for res_search in libc])
219 AC_MSG_CHECKING([for res_search in $lib])
221 LIBS="$old_LIBS $lib"
222 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
223 #include <sys/types.h>
224 #ifdef HAVE_NETINET_IN_H
225 #include <netinet/in.h>
227 #ifdef HAVE_ARPA_NAMESER_H
228 #include <arpa/nameser.h>
233 extern int res_search();
234 ]], [[res_search(0, 0, 0, 0, 0); dn_skipname(0,0);]])],
235 [AC_MSG_RESULT([found])
236 AC_DEFINE(HAVE_RES_SEARCH, [1],
237 [Define to 1 if you have the 'res_search' and 'dn_skipname' functions.])
238 break], [AC_MSG_RESULT([not found])])
242 dnl Check for libcrypt -- it may live in libc or libcrypt, as on IRIX
243 AC_CHECK_FUNC(crypt, , AC_CHECK_LIB(crypt,crypt))
245 dnl Check for usable void pointer type
246 AC_MSG_CHECKING(use of void pointer type)
247 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[char *p;
249 p = (char *) xmalloc(1);
250 ]])],[AC_DEFINE(HAVE_VOIDPOINTER,1,[Define if your C compiler allows void * as a function result]) AC_MSG_RESULT(yes)],[AC_MSG_RESULT(no)])
252 dnl Check for ANSI volatile
255 dnl Check out the wait reality. We have to assume sys/wait.h is present.
256 AC_CHECK_FUNCS(waitpid wait3)
257 AC_MSG_CHECKING(for union wait);
258 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
259 #include <sys/wait.h>]], [[union wait status; int pid; pid = wait (&status);
261 /* Some POSIXoid systems have both the new-style macros and the old
262 union wait type, and they do not work together. If union wait
263 conflicts with WEXITSTATUS et al, we do not want to use it at all. */
264 if (WEXITSTATUS (status) != 0) pid = -1;
267 /* Make sure union wait works with waitpid. */
268 pid = waitpid (-1, &status, 0);
270 ]])],[AC_DEFINE(HAVE_UNION_WAIT,1,Define if 'union wait' is the type of the first arg to wait functions.) AC_MSG_RESULT(yes)],[AC_MSG_RESULT(no)])
272 AC_MSG_CHECKING(sys_siglist declaration in signal.h or unistd.h)
273 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <signal.h>
274 /* NetBSD declares sys_siglist in <unistd.h>. */
276 ]], [[char *msg = *(sys_siglist + 1);]])],[AC_DEFINE(SYS_SIGLIST_DECLARED,1,[Define if 'sys_siglist' is declared by <signal.h>.]) AC_MSG_RESULT(yes)],[AC_MSG_RESULT(no)])
278 # Find the right directory to put the root-mode PID file in
279 for dir in "/var/run" "/etc"
286 AC_MSG_RESULT(root-mode pid file will go in $dir)
287 AC_DEFINE_UNQUOTED(PID_DIR, "$dir", directory for PID lock files)
289 # We may have a fallback MDA available in case the socket open to the
290 # local SMTP listener fails. Best to use procmail for this, as we know
291 # it won't try delivering through local SMTP and cause a mail loop.
292 # Sendmail without the -t option to use the message headers will work too,
293 # not just for sendmail itself but for workalikes like exim.
295 # Note1: A disadvantage of using procmail is that local alias expansion
296 # according to /etc/aliases won't get done if we fall back. This doesn't
297 # matter in single-drop mode.
299 # Note2: it would be a very bad idea to use any MDA that doesn't return
300 # a refuse-to-deliver status on disk- or process-table-full
301 # conditions; mail could get lost that way. Sendmail and all of the MDAs
302 # like exim that might be lurking under a sendmail alias) do the right
303 # thing in this circumstance. Matthias Andree warns that procmail does
306 # Note3: Defalt value of fallback is now off. Matthias writes:
308 # 1. there is no way to predict when the fallback is used. With some MTAs
309 # (such as those limiting load average), outer circumstances can cause
310 # the fallback to kick in.
312 # 2. the fallback changes fetchmail behaviour in unpredictable ways. It's
313 # not only about alias expansion, .forwards to special filters won't
314 # work, mail may end up in a different place (users claim "mail loss"
317 # 3. The claim procmail did the right thing with its exit codes is plain
318 # wrong. I've seen procmail exit with code 1 when it should have exited
319 # with code 75, like, configuration errors. Procmail is a dangerous
320 # beast and is best replaced by maildrop.
322 # 4. if multiple choices exist (like procmail and maildrop), fetchmail
323 # cannot tell which one it should choose. Say, your MTA is configured
324 # to use maildrop to deliver to user's mailboxes, if fetchmail then
325 # chooses procmail, this is plain wrong.
328 AC_PATH_PROG(procmail, procmail, "", $PATH:/usr/sbin)
329 AC_PATH_PROG(sendmail, sendmail, "", $PATH:/usr/sbin:/usr/lib)
330 AC_PATH_PROG(maildrop, maildrop, "", $PATH:/usr/local/bin)
332 ### use option --disable-fallback to disable fallback MDA
333 ### use option --enable-fallback=procmail or
334 ### --enable-fallback=sendmail to select
335 AC_ARG_ENABLE(fallback,
336 [ --enable-fallback=procmail enable procmail as fallback
337 --enable-fallback=sendmail enable /usr/sbin/sendmail as fallback
338 --enable-fallback=maildrop enable maildrop as fallback
339 --enable-fallback=no disable fallback],,[enable_fallback=no])
341 case "$enable_fallback" in
342 sendmail) if test -z "$sendmail" ; then
343 AC_MSG_ERROR([Sendmail selected as fallback, but not found])
346 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$sendmail -i %T", Fallback MTA to use if defined)
347 AC_MSG_NOTICE(Will use $sendmail as fallback MDA.)
349 procmail) if test -z "$procmail" ; then
350 AC_MSG_ERROR([procmail selected as fallback, but not found])
353 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$procmail -d %T")
354 AC_MSG_NOTICE(Will use $procmail as fallback MDA.)
356 maildrop) if test -z "$maildrop" ; then
357 AC_MSG_ERROR([maildrop selected as fallback, but not found])
360 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$maildrop -d %T")
361 AC_MSG_NOTICE(Will use $maildrop as fallback MDA.)
363 no|unset) AC_MSG_NOTICE(Will not use a fallback MDA.)
365 auto|yes|set) if test -n "$sendmail" ; then
366 AC_DEFINE_UNQUOTED(FALLBACK_MDA,"$sendmail -i %T")
367 AC_MSG_NOTICE(Will use $sendmail as fallback MDA.)
369 AC_MSG_WARN(No fallback MDA available. procmail and maildrop are not eligible)
370 AC_MSG_WARN(for automatic fallback MDA configuration for reliability reasons.)
373 *) AC_MSG_ERROR([unkown value for --enable-fallback given: $enable_fallback])
378 AC_CHECK_SIZEOF(short)
380 AC_CHECK_SIZEOF(long)
382 ### use option --disable-POP3 to omit the POP3 support
384 [ --disable-POP3 don't compile in POP3 protocol support],
385 [with_POP3=$enableval],
387 test "$with_POP3" = "yes" && AC_DEFINE(POP3_ENABLE,1,Define if you want POP3 support compiled in)
388 AM_CONDITIONAL(POP3_ENABLE, test "$with_POP3" = yes)
390 ### use option --disable-IMAP to omit the IMAP support
392 [ --disable-IMAP don't compile in IMAP protocol support],
393 [with_IMAP=$enableval],
395 test "$with_IMAP" = "yes" && AC_DEFINE(IMAP_ENABLE,1,Define if you want IMAP support compiled in)
396 AM_CONDITIONAL(IMAP_ENABLE, test "$with_IMAP" = yes)
398 ### use option --disable-ETRN to omit the ETRN support
400 [ --disable-ETRN don't compile in ETRN protocol support],
401 [with_ETRN=$enableval],
403 test "$with_ETRN" = "yes" && AC_DEFINE(ETRN_ENABLE,1,Define if you want ETRN support compiled in.)
404 AM_CONDITIONAL(ETRN_ENABLE, test "$with_ETRN" = yes)
406 ### use option --disable-ODMR to omit the ODMR support
408 [ --disable-ODMR don't compile in ODMR protocol support],
409 [with_ODMR=$enableval],
411 test "$with_ODMR" = "yes" && AC_DEFINE(ODMR_ENABLE,1,Define if you want ODMR support compiled in)
412 AM_CONDITIONAL(ODMR_ENABLE, test "$with_ODMR" = yes)
414 ### use option --enable-RPA to compile in the RPA support
416 [ --enable-RPA compile in RPA protocol support],
417 [with_RPA=$enableval],
419 test "$with_RPA" = "yes" && AC_DEFINE(RPA_ENABLE,1,Define if you want RPA support compiled in)
420 AM_CONDITIONAL(RPA_ENABLE, test "$with_RPA" = yes)
422 ### use option --enable-NTLM to compile in the NTLM support
424 [ --enable-NTLM compile in NTLM authentication support],
425 [with_NTLM=$enableval],
427 test "$with_NTLM" = "yes" && AC_DEFINE(NTLM_ENABLE,1,Define if you want NTLM authentication)
428 AM_CONDITIONAL(NTLM_ENABLE, test "$with_NTLM" = yes)
430 ### use option --enable-SDPS to compile in the SDPS support
432 [ --enable-SDPS compile in SDPS protocol support],
433 [with_SDPS=$enableval],
435 if test "$with_SDPS" = yes ; then
436 if test "$with_POP3" != yes ; then
437 AC_MSG_WARN([SDPS cannot be enabled with POP3 disabled. Disabling SDPS.])
440 AC_DEFINE(SDPS_ENABLE,1,Define if you want SDPS support compiled in)
443 if test "$with_POP3" != yes && test "$with_IMAP" != yes ; then
444 AC_MSG_ERROR([You must enable at least one of POP3 and IMAP.])
449 ### use option --enable-opie to compile in the OPIE support
451 [ --enable-opie support OTP through the OPIE library],
452 [ AC_CHECK_HEADER(opie.h,, [AC_MSG_ERROR(cannot find <opie.h>, which is required for OPIE support.)])
453 AC_CHECK_LIB(opie,opiegenerator,, [AC_MSG_ERROR(cannot find libopie, which is required for OPIE support.)])
454 with_opie=$enableval],
456 test "$with_opie" = "yes" && AC_DEFINE(OPIE_ENABLE,1,Define if you want OPIE support compiled in)
458 dnl Mostly stolen from gnulib's getaddrinfo.m4
459 AC_SEARCH_LIBS(getaddrinfo, [nsl socket])
460 AC_CACHE_CHECK([for getaddrinfo],[fm_cv_getaddrinfo],[
462 #include <sys/types.h>
463 #ifdef HAVE_SYS_SOCKET_H
464 #include <sys/socket.h>
469 ], [getaddrinfo(0, 0, 0, 0);],
470 [ fm_cv_getaddrinfo=yes],
471 [ fm_cv_getaddrinfo=no ])
474 if test x"$fm_cv_getaddrinfo" = "xyes"; then
475 AC_DEFINE(HAVE_GETADDRINFO, 1,
476 [Define to 1 if you have the getaddrinfo function.])
479 AC_CACHE_CHECK([for getnameinfo],[fm_cv_getnameinfo],[
481 #include <sys/types.h>
482 #ifdef HAVE_SYS_SOCKET_H
483 #include <sys/socket.h>
491 ], [getnameinfo(NULL,0, NULL,0, NULL, 0, 0);],
492 [ fm_cv_getnameinfo=yes],
493 [ fm_cv_getnameinfo=no ])
495 if test $fm_cv_getnameinfo = yes ; then
496 AC_DEFINE(HAVE_GETNAMEINFO,1,[Define to 1 if your system has getnameinfo()])
499 AM_CONDITIONAL(NEED_GETADDRINFO, test "$fm_cv_getaddrinfo" != yes)
500 AM_CONDITIONAL(NEED_GETNAMEINFO, test "$fm_cv_getnameinfo" != yes)
502 AC_CHECK_FUNCS(inet_ntop)
503 dnl Check if getaddrinfo is async-signal-safe - most implementations aren't
504 if test "$fm_cv_getaddrinfo" = yes ; then
505 AC_MSG_CHECKING(if your getaddrinfo is async-signal-safe)
507 dnl we have getaddrinfo() - check if the OS is known to have a async-signal-safe implementation
509 darwin9*) gai_ts=yes ;;
510 linux*) gai_ts=yes ;;
511 freebsd5.5|freebsd6*|freebsd7*) gai_ts=yes ;;
512 solaris2.8|solaris2.9|solaris2.10) gai_ts=yes ;;
514 AC_MSG_RESULT($gai_ts)
515 if test $gai_ts = yes ; then
516 AC_DEFINE(GETADDRINFO_ASYNCSAFE, 1, [define to 1 if you know your getaddrinfo function is async-signal-safe])
520 # This version of the Kerberos 4 and 5 options addresses the follwing issues:
522 # * Build correctly under Heimdal kerberos if it is compiled with db2 and
523 # OpenSSL support (Debian's is)
524 # * Build the kerberos.c stuff (KPOP) only for kerberosIV, to avoid breakage.
525 # I don't know if this is 100% correct, but now at least IMAP and POP3
526 # behave the same way regarding kerberosV.
527 # * Build without any fuss for both kerberosIV and V at the same time.
528 # * Move all the kerberos header mess to kerberos.h, and #include that
529 # in driver.c and kerberos.c.
531 # Tested using the Heimdal Kerberos V libs, Kungliga Tekniska Högskolan (the
532 # Royal Institute of Technology in Stockholm, Sweden)'s kerberos IV libs, and
533 # the MIT reference implementation of KerberosV (all as packaged in Debian).
535 ### use option --with-kerberos5=DIR to point at a Kerberos 5 directory
536 ### make sure --with-ssl is run before --with-kerberos* !
537 AC_ARG_WITH(kerberos5,
538 [ --with-kerberos5=DIR point fetchmail compilation at a Kerberos 5 directory],
540 if test "$with_kerberos5" != "no"
542 # Check for a OpenBSD special case
543 if test "$with_kerberos5" = "yes" && ( test `uname` = "OpenBSD" )
545 AS_MESSAGE(checking kerberosV for OpenBSD...)
546 AC_DEFINE(HEIMDAL,1,Define if you have HEIMDAL kerberos 5)
547 AC_DEFINE(KERBEROS_V5,1,Define if you have Kerberos V5)
548 CFLAGS="$CFLAGS -I/usr/include/kerberosV"
549 LIBS="$LIBS -lasn1 -lkrb5 -lcom_err -lkafs"
550 elif krb5-config 2> /dev/null >/dev/null ; then
551 krb5_prefix=`krb5-config --prefix krb5`
552 AC_MSG_RESULT([krb5-config points to kerberosV under $krb5_prefix])
553 if test -f ${krb5_prefix}/include/et/com_err.h && \
554 ! test -f ${krb5_prefix}/include/com_err.h ; then
555 CFLAGS="$CFLAGS -I${krb5_prefix}/include/et"
558 CFLAGS="$CFLAGS `krb5-config --cflags krb5`"
559 LIBS="$LIBS `krb5-config --libs krb5`"
560 AC_DEFINE(KERBEROS_V5)
562 if test "$with_kerberos5" != "yes"
564 LDFLAGS="$LDFLAGS -L${with_kerberos5}/lib"
565 searchdirs="$with_kerberos5"
567 searchdirs="/usr/kerberos /usr/local/krb5 /usr/athena /usr"
570 for dir in $searchdirs
571 do AC_MSG_CHECKING([for Kerberos V in $dir])
572 if test -f "$dir/include/krb5.h" || test -f "$dir/include/krb5/krb5.h"
574 if test -d "$dir/include/krb5" ; then CPPFLAGS="$CPPFLAGS -I$dir/include/krb5" ; fi
576 if test -f "$dir/include/roken.h" || test -f "$dir/include/krb5/roken.h"
578 ac_krblibs="-lasn1 -lroken -lcom_err"
579 AC_MSG_RESULT([Heimdal found])
580 dnl Attempt to detect if we need to -ldb2 to link Heimdal
581 dnl we assume we do if it is available
582 AC_CHECK_LIB(db2, db_open, ac_krblibs="$ac_krblibs -ldb2", [],
584 AC_CHECK_LIB(des, des_string_to_key, libk5crypto=-ldes,
585 AC_CHECK_LIB(crypto, MD5_Init, [],
586 AC_MSG_ERROR([DES libraries not found. Try adding --with-ssl to enable OpenSSL support]),
587 ${LDFLAGS} ${ac_krblibs}),
588 ${LDFLAGS} ${ac_krblibs})
591 AC_MSG_RESULT([found])
592 ac_krblibs="-lcom_err"
594 krb5_des_string_to_key,
595 libk5crypto=-lcrypto,
596 AC_CHECK_LIB(k5crypto,
597 krb5_des_string_to_key,
598 libk5crypto=-lk5crypto,
599 AC_MSG_ERROR([Kerberos 5 DES libraries not found]),
600 ${LDFLAGS} ${ac_krblibs}),
601 ${LDFLAGS} ${ac_krblibs})
603 AC_CHECK_LIB(krb5, krb5_init_context,[],
605 ${LDFLAGS} ${ac_krblibs})
606 AC_DEFINE(KERBEROS_V5)
607 test "$dir" != "/usr" && CFLAGS="$CFLAGS -I$dir/include"
608 LDFLAGS="$LDFLAGS -L$dir/lib"
609 LIBS="$LIBS $ac_krblibs $libk5crypto"
613 AC_MSG_RESULT([not found])
616 if test -z "$with_kerberos5" ; then
617 AC_MSG_ERROR([Kerberos 5 libraries not found])
621 ]) dnl --with-kerberos5=DIR
623 ### use option --with-kerberos=DIR to point at a Kerberos 4 directory
625 AC_ARG_WITH(kerberos,
626 [ --with-kerberos=DIR point fetchmail compilation at a Kerberos 4 directory],
628 if test "$with_kerberos" != "no"
630 AC_MSG_WARN([Kerberos IV support is obsolete. Use --with-kerberos5 if possible.])
631 # Check for a NetBSD/OpenBSD special case
632 if test "$with_kerberos" = "yes" && ( test `uname` = "NetBSD" || test `uname` = "OpenBSD" )
634 AS_MESSAGE(checking kerberosIV for `uname`...)
636 CFLAGS="$CFLAGS -I/usr/include/kerberosIV"
638 NetBSD) LIBS="$LIBS -lkrb -ldes -lroken -lcom_err" ;;
639 OpenBSD) LIBS="$LIBS -lkrb -ldes" ;;
641 elif krb4-config 2> /dev/null >/dev/null ; then
642 krb4_prefix=`krb4-config --prefix`
643 AC_MSG_RESULT([krb4-config points to kerberosIV under $krb4_prefix])
645 CFLAGS="$CFLAGS `krb4-config --cflags`"
646 LIBS="$LIBS `krb4-config --libs`"
648 elif krb5-config 2> /dev/null >/dev/null ; then
649 krb4_prefix=`krb5-config --prefix krb4`
650 AC_MSG_RESULT([krb5-config points to kerberosIV under $krb4_prefix])
651 if test -f ${krb4_prefix}/include/kerberosIV/krb.h ; then
652 AC_DEFINE(KERBEROS_V4_V5,1,Define if you have Kerberos V4 headers under a kerberosIV directory)
655 CFLAGS="$CFLAGS `krb5-config --cflags krb4`"
656 LIBS="$LIBS `krb5-config --libs krb4`"
659 #we need to detect when we're building under a kerberosV compatibility
661 if test "$with_kerberos" != "yes" ; then
662 searchdirs="$with_kerberos"
664 searchdirs="$with_kerberos5 /usr/kerberos /usr/kerberosIV /usr/athena /usr"
667 ac_saveLDFLAGS="$LDFLAGS"
668 for dir in $searchdirs
670 AC_MSG_CHECKING([for Kerberos IV in $dir])
671 if test -f "$dir/include/krb.h" || test -f "$dir/include/krb4.h" \
672 || test -f "$dir/include/kerberosIV/krb.h"
674 AC_MSG_RESULT([found])
676 AC_MSG_RESULT([not found])
680 if test -f "$with_kerberos5/roken.h" ; then
681 AC_CHECK_LIB(45, krb_mk_req)
683 LDFLAGS="-L$dir/lib $ac_saveLDFLAGS"
684 if test `uname` = "FreeBSD"; then
685 AC_SEARCH_LIBS(_ossl_old_des_string_to_key, [des425 des crypto], [], continue)
687 AC_SEARCH_LIBS(des_string_to_key, [crypto], [], continue)
689 AC_SEARCH_LIBS(krb_realmofhost, [krb4 krb], [], continue)
691 if test -f "$dir/include/kerberosIV/krb.h" ; then
692 dir="$dir/include/kerberosIV"
697 test -f "$with_kerberos5/roken.h" && AC_DEFINE(HEIMDAL)
698 test "$dir" != "/usr/include" && CFLAGS="$CFLAGS -I$dir"
699 LDFLAGS="$LDFLAGS -L$with_kerberos/lib"
702 if test -z "$with_kerberos" ; then
703 AC_MSG_ERROR([Kerberos 4 libraries not found])
705 LDFLAGS="$ac_saveLDFLAGS"
708 ]) dnl --with-kerberos=DIR
709 if test "$KERBEROS_V4" = 1 ; then
710 AC_DEFINE(KERBEROS_V4,1,Define if you have Kerberos V4)
712 AM_CONDITIONAL(KERBEROS_V4_ENABLE, test "$KERBEROS_V4" = 1)
714 ### use option --with-ssl to compile in the SSL support
716 [ --with-ssl=[DIR] enable SSL support using libraries in DIR],
719 test "$with_ssl" != "no" && AC_DEFINE(SSL_ENABLE,1,Define if you want SSL support compiled in)
721 if test "$with_ssl" = "yes"
723 # User didn't specify an SSL location. Let's look at some common
724 # directories where SSL has been found in the past and try and auto
725 # configure for SSL. OpenSSL determination will be made later.
726 # This will screw up if an OpenSSL install is located in a later
727 # directory than an older SSLeay install, but the user should fix that
728 # anyways and he can override on the configure line.
729 # Just testing for directories is not sufficient, /usr exists on
741 if test -r "$ac_dir/include/openssl/ssl.h" ; then
748 if test -n "$with_ssl" -a "$with_ssl" != "no"
750 # With the autoconfigure above, the only time this is going to be
751 # true is going to be when we could not find the headers. If they
752 # are not in system standard locations, we are going to be broken.
753 if test "$with_ssl" = "yes"
755 # Let's just define the standard location for the SSLeay root
756 with_ssl="/usr/local/ssl"
758 if test -r $with_ssl/include/openssl/ssl.h
760 ### ssl.h found under openssl. Use openssl configuration preferentially,
761 AC_MSG_NOTICE(Enabling OpenSSL support in $with_ssl.)
762 test "$with_ssl" != "/usr" && CFLAGS="$CFLAGS -I$with_ssl/include"
763 ### In Red Hat 9, this file includes a reference to <krb5.h>, so we
764 ### force the Kerberos direcory onto the include path so it will build.
765 CFLAGS="$CFLAGS -I/usr/kerberos/include"
766 ### OpenBSD comes with ssl headers
768 AC_MSG_ERROR([SSL support enabled, but OpenSSL not found])
770 LDFLAGS="$LDFLAGS -L$with_ssl/lib"
771 LIBS="$LIBS -lssl -lcrypto"
772 dnl check if -ldl is needed
773 AC_MSG_CHECKING([for additional library dependencies of SSL])
776 for i in "" "-ldl" ; do
777 LIBS="$LDFLAGS $save_LIBS $i"
778 AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <openssl/ssl.h>],[SSL_library_init()])],[found=1; break])
780 if test $found = 0 ; then
781 AC_MSG_RESULT([error])
782 AC_MSG_ERROR([cannot link with SSL - check config.log])
785 if test "$i" = "" ; then i="(none)" ; fi
787 dnl XXX FIXME: use pkg-config if available!
788 AC_DEFINE(SSL_ENABLE)
790 AC_MSG_NOTICE(Disabling SSL support.)
793 ### use option --with-socks=DIR to point at SOCKS library
795 [ --with-socks[=DIR] add built-in SOCKS firewall access],
797 if test "$with_socks" != no
799 if test "$with_socks" != yes
801 LDFLAGS="$LDFLAGS -L$with_socks"
803 AC_CHECK_LIB(socks, Rconnect,,
804 AC_MSG_ERROR([could not find libsocks which is needed for built-in SOCKS support]))
806 AC_DEFINE(HAVE_SOCKS,1,Define if you want built-in SOCKS support)
807 CFLAGS="$CFLAGS -Dconnect=Rconnect -Dgetsockname=Rgetsockname -Dbind=Rbind -Daccept=Raccept -Dlisten=Rlisten -Dselect=Rselect"
811 ### use option --with-socks5=DIR to point at SOCKS library
813 [ --with-socks5[=DIR] add built-in SOCKS5 firewall access],
815 if test "$with_socks5" != no
817 if test "$with_socks5" != yes
819 LDFLAGS="$LDFLAGS -L$with_socks5"
821 ac_savedLDFLAGS="$LDFLAGS"
822 LDFLAGS="$LDFLAGS $LDFLAGS"
823 AC_CHECK_LIB(socks5, SOCKSconnect,,
824 AC_MSG_ERROR([could not find libsocks5 which is needed for built-in SOCKS5 support]))
825 AC_DEFINE(HAVE_SOCKS)
826 CFLAGS="$CFLAGS -Dconnect=SOCKSconnect -Dgetsockname=SOCKSgetsockname -Dbind=SOCKSbind -Daccept=SOCKSaccept -Dlisten=SOCKSlisten -Dselect=SOCKSselect -Drecvfrom=SOCKSrecvfrom -Dsendto=SOCKSsendto -Drecv=SOCKSrecv -Dsend=SOCKSsend -Dread=SOCKSread -Dwrite=SOCKSwrite -Drresvport=SOCKSrresvport -Dshutdown=SOCKSshutdown -Dlisten=SOCKSlisten -Dclose=SOCKSclose -Ddup=SOCKSdup -Ddup2=SOCKSdup2 -Dgethostbyname=SOCKSgethostbyname"
827 AC_CHECK_FUNC(SOCKSfclose, [CFLAGS="$CFLAGS -Dfclose=SOCKSfclose"])
828 LDFLAGS="$ac_savedLDFLAGS"
831 dnl for libesmtp/ modules:
832 ACX_WHICH_GETHOSTBYNAME_R
834 ### use option --with-hesiod=DIR to point at a HESIOD directory
835 AC_ma_SEARCH_PACKAGE(hesiod, hesiod_getmailhost, /usr/athena /usr /usr/local,hesiod, hesiod.h)
837 ### use option --with-gssapi=DIR to compile in GSSAPI support
839 [ --with-gssapi[=DIR] compile in GSSAPI support using libraries in DIR],
841 if test "$with_gssapi" != "no"
843 if test "$with_gssapi" = "yes" -a -n "$with_kerberos5"
845 with_gssapi=$with_kerberos5
848 if test "$with_gssapi" != "yes" -a -n "$with_gssapi"
850 CFLAGS="$CFLAGS -I$with_gssapi/include"
851 LDFLAGS="$LDFLAGS -L$with_gssapi/lib"
854 dnl obtain gssapi default libs
855 if krb5-config --libs gssapi 2>/dev/null >/dev/null ; then
856 LIBS="$LIBS `krb5-config --libs gssapi`"
858 AC_CHECK_LIB(gss, gss_check_version, LIBS="$LIBS -lgss", nogss=t)
862 if test "$with_gssapi" = yes ; then
865 if test -f "$with_gssapi/include/roken.h" -o -f "$with_gssapi/include/krb5/roken.h"
867 # have roken.h, assume Heimdal
869 NetBSD) LIBS="$LIBS -lkrb5" ;;
870 *) LIBS="$LIBS -lkrb5 -lasn1 -ldes -lroken -ldb -ldl" ;;
872 AC_CHECK_LIB(gssapi, gss_init_sec_context,LIBS="$LIBS -lgssapi",
873 AC_MSG_ERROR([could not find libgssapi which is needed for GSSAPI support]), )
876 # no roken.h, assume MIT
877 AC_CHECK_LIB(gssapi_krb5, gss_init_sec_context,LIBS="$LIBS -lgssapi_krb5",
878 AC_MSG_ERROR([could not find libgssapi_krb5 which is needed for GSSAPI support]), -lkrb5)
882 AC_DEFINE(GSSAPI,1,Define if you want GSSAPI authentication)
883 if test "$with_gssapi" != yes ; then
884 CPPFLAGS="$CPPFLAGS -I$with_gssapi/include"
886 AC_CHECK_HEADERS(gss.h gssapi.h gssapi/gssapi.h gssapi/gssapi_generic.h)
887 if test "$ac_cv_header_gssapi_h" = "yes"; then
888 AC_EGREP_HEADER(GSS_C_NT_HOSTBASED_SERVICE, gssapi.h, AC_DEFINE(HAVE_GSS_C_NT_HOSTBASED_SERVICE,1,Define if you have MIT kerberos))
890 AC_EGREP_HEADER(GSS_C_NT_HOSTBASED_SERVICE, gssapi/gssapi.h, AC_DEFINE(HAVE_GSS_C_NT_HOSTBASED_SERVICE))
894 dnl ,------------------------------------------------------------------
895 dnl Check if we need TRIO
897 if test "$FORCE_TRIO" = "yes" ; then
899 ac_cv_func_vsnprintf=no
900 ac_cv_func_snprintf=no
902 if test "x$ac_cv_func_snprintf" != "xyes" ; then
903 AC_DEFINE(snprintf, trio_snprintf,
904 [Define to trio_snprintf if your system lacks snprintf])
907 if test "x$ac_cv_func_vsnprintf" != "xyes" ; then
908 AC_DEFINE(vsnprintf, trio_vsnprintf,
909 [Define to trio_vsnprintf if your system lacks vsnprintf])
912 AM_CONDITIONAL(NEED_TRIO, test "$needtrio" = 1)
914 dnl TRIO IEEE compiler option for Alpha
916 if test "$needtrio" = 1 ; then
917 AC_MSG_CHECKING(for IEEE compilation options)
918 AC_CACHE_VAL(ac_cv_ieee_option, [
920 #if !(defined(__alpha) && (defined(__DECC) || defined(__DECCXX) || (defined(__osf__) && defined(__LANGUAGE_C__))) && (defined(VMS) || defined(__VMS)))
921 # error "Option needed"
923 ],ac_cv_ieee_option="/IEEE_MODE=UNDERFLOW_TO_ZERO/FLOAT=IEEE",
925 #if !(defined(__alpha) && (defined(__DECC) || defined(__DECCXX) || (defined(__osf__) && defined(__LANGUAGE_C__))) && !(defined(VMS) || defined(__VMS)) && !defined(_CFE))
926 # error "Option needed"
928 ],ac_cv_ieee_option="-ieee",
930 #if !(defined(__alpha) && (defined(__GNUC__) && (defined(__osf__) || defined(__linux__))))
931 # error "Option needed"
933 ],ac_cv_ieee_option="-mieee",
934 ac_cv_ieee_option="none"
939 AC_MSG_RESULT($ac_cv_ieee_option)
940 if test $ac_cv_ieee_option != none; then
941 CFLAGS="${CFLAGS} ${ac_cv_ieee_option}"
944 dnl ----------------------------------------------------------------'
946 AC_CONFIG_FILES([Makefile po/Makefile.in genlsm.sh])
950 dnl comment-start: "dnl "
952 dnl comment-start-skip: "\\bdnl\\b\\s *"
953 dnl compile-command: "make configure config.h.in"