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],[6.3.19],[fetchmail-users@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
43 dnl AC_ISC_POSIX: - XXX FIXME: remove in fetchmail 6.4.
44 dnl This macro adds `-lcposix' to output variable `LIBS' if necessary
45 dnl for Posix facilities. Sun dropped support for the obsolete
46 dnl INTERACTIVE Systems Corporation Unix on 2006-07-23. New programs
47 dnl need not use this macro. It is implemented as
48 dnl `AC_SEARCH_LIBS([strerror], [cposix])'
50 dnl check for b0rked Solaris (and other shells) and find one that works
51 AC_MSG_CHECKING(for a working shell...)
52 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
53 $i -c 'if ! false ; then echo $(echo ok) ; fi' >config.$$ 2>/dev/null
56 if test "x$j" = "xok" ; then
63 if test "x$SHELL" = "x" ; then
64 AC_MSG_ERROR(no SUS compliant shell found - on Solaris, install SUNWxcu4)
73 AC_CHECK_HEADERS([unistd.h termios.h termio.h sgtty.h stdarg.h \
74 sys/itimer.h fcntl.h sys/fcntl.h memory.h sys/wait.h \
75 arpa/inet.h arpa/nameser.h netinet/in.h net/socket.h netdb.h \
76 sys/select.h sys/socket.h sys/time.h langinfo.h md5.h])
77 if test _$ac_cv_header_stdarg_h != _yes ; then
78 AC_MSG_WARN([stdarg.h is not defined. Unsupported configuration, proceed at your own risk.])
80 AC_CHECK_TYPE(u_int32_t,,
81 AC_DEFINE(u_int32_t,unsigned int,
82 [Define to unsigned int if <sys/types.h> does not define.]),
84 #ifdef HAVE_ARPA_NAMESER_H
85 #include <arpa/nameser.h>
87 AC_CHECK_HEADERS([resolv.h],,,[
88 #include <sys/types.h>
89 #ifdef HAVE_NETINET_IN_H
90 #include <netinet/in.h>
92 #ifdef HAVE_ARPA_NAMESER_H
93 #include <arpa/nameser.h>
97 AC_CHECK_DECLS([h_errno],,,[
104 AC_C_CONST dnl getopt needs this.
110 # Check for OS special cases
113 AC_MSG_NOTICE(found Darwin - Adding -DBIND_8_COMPAT to CFLAGS)
114 CPPFLAGS="$CPPFLAGS -DBIND_8_COMPAT"
116 # Check for FreeBSD special case: more libs needed
118 AC_MSG_NOTICE(found FreeBSD - Adding -lkvm -lcom_err to standard libraries)
119 LIBS="$LIBS -lkvm -lcom_err"
121 # Check for LynxOS special case: -lbsd needed (at least on 2.3.0) and -s
124 AC_MSG_NOTICE(found LynxOS - Adding -lbsd to standard libraries)
126 LDFLAGS=`echo $LDFLAGS | sed "s/-s //"`
127 AC_MSG_NOTICE(found LynxOS - Prepending standard include path to gcc flags)
128 CPPFLAGS="$CPPFLAGS -I/usr/include"
130 # Check for Rhapsody special case: it doesn't like -s
132 AC_MSG_NOTICE(found Rhapsody - Removing -s load flag)
133 LDFLAGS=`echo $LDFLAGS | sed "s/-s //"`
140 AM_GNU_GETTEXT([external], [need-ngettext])
141 AM_GNU_GETTEXT_VERSION([0.17])
144 # Under sysV68, socket and friends are provided by the C library.
145 # -linet does not provide socket, but causes multiple definition
146 # errors at link-time. It is thus better to only use the C library.
147 # So don't add -linet to the link list unless it's necessary
148 AC_CHECK_FUNC(socket,
149 AC_MSG_RESULT(using libc's socket),
150 AC_CHECK_LIB(socket,socket)
151 AC_CHECK_LIB(inet,socket))
153 # The condition in this test copes with the presence of inet_addr in libc6.
154 AC_CHECK_FUNC(inet_addr,
155 AC_MSG_RESULT(using libc's inet_addr),
156 AC_CHECK_LIB(nsl,inet_addr))
158 dnl Port hack for Interactive UNIX System V/386 Release 3.2
159 AC_CHECK_LIB(cposix, strchr,
160 [DEFS="$DEFS -D_SYSV3"
161 LIBS="$LIBS -lcposix"])
163 dnl Port hack for Sparc/NetBSD-1.5
165 dnl NB: this has been disabled as it causes the unconditional
166 dnl addition of libintl to the build, which is both undesired
167 dnl and breaks on Solaris/Blastwave.org machines.
169 dnl AC_CHECK_LIB(intl, gettext,
170 dnl [LIBS="$LIBS -lintl"])
172 AC_REPLACE_FUNCS([strstr strcasecmp memmove stpcpy strlcpy strlcat])
175 if test "$ac_cv_header_md5_h" != no ; then
176 AC_SEARCH_LIBS(MD5Init, [md], [have_md5=yes])
179 if test "$have_md5" != yes ; then
181 EXTRAOBJ="$EXTRAOBJ md5c.\$(OBJEXT)"
184 AC_CHECK_FUNC(getopt_long, [],
185 [AC_LIBSOURCES([getopt.c, getopt1.c])
186 EXTRAOBJ="$EXTRAOBJ getopt.\$(OBJEXT) getopt1.\$(OBJEXT)"])
192 AC_CHECK_FUNCS(tcsetattr stty setsid geteuid seteuid dnl
193 strerror syslog snprintf vprintf vsnprintf vsyslog dnl
194 atexit inet_aton strftime setrlimit socketpair dnl
195 sigaction strdup setlocale)
197 AC_CHECK_DECLS([strerror,getenv])
198 dnl INET6 is used by KAME/getnameinfo
199 AC_CACHE_CHECK(for AF_INET6/PF_INET6,ac_cv_inet6,
202 #ifdef HAVE_SYS_TYPES_H
203 #include <sys/types.h>
205 #ifdef HAVE_SYS_SOCKET_H
206 #include <sys/socket.h>
212 ac_cv_inet6=yes , ac_cv_inet6=no
214 if test "x$ac_cv_inet6" = xyes
216 AC_DEFINE(INET6,1,Define to 1 if your system defines AF_INET6 and PF_INET6.)
219 # Under Red Hat 4.0 (and many other Linuxes) -lresolv is seriously flaky
220 # and breaks gethostbyname(2). It's better to use the bind stuff in the C
221 # library. So don't add -lresolv to the link list unless it's necessary
222 # (It will be necessary when using GNU libc6).
224 for lib in '' -lresolv; do
225 if test -z "$lib"; then
226 AC_MSG_CHECKING([for res_search in libc])
228 AC_MSG_CHECKING([for res_search in $lib])
230 LIBS="$old_LIBS $lib"
231 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
232 #include <sys/types.h>
233 #ifdef HAVE_NETINET_IN_H
234 #include <netinet/in.h>
236 #ifdef HAVE_ARPA_NAMESER_H
237 #include <arpa/nameser.h>
242 extern int res_search();
243 ]], [[res_search(0, 0, 0, 0, 0); dn_skipname(0,0);]])],
244 [AC_MSG_RESULT([found])
245 AC_DEFINE(HAVE_RES_SEARCH, [1],
246 [Define to 1 if you have the 'res_search' and 'dn_skipname' functions.])
247 break], [AC_MSG_RESULT([not found])])
251 dnl Check for libcrypt -- it may live in libc or libcrypt, as on IRIX
252 AC_CHECK_FUNC(crypt, , AC_CHECK_LIB(crypt,crypt))
254 dnl Check for usable void pointer type
255 AC_MSG_CHECKING(use of void pointer type)
256 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[char *p;
258 p = (char *) xmalloc(1);
259 ]])],[AC_DEFINE(HAVE_VOIDPOINTER,1,[Define if your C compiler allows void * as a function result]) AC_MSG_RESULT(yes)],[AC_MSG_RESULT(no)])
261 dnl Check for ANSI volatile
264 dnl Check out the wait reality. We have to assume sys/wait.h is present.
265 AC_CHECK_FUNCS(waitpid wait3)
266 AC_MSG_CHECKING(for union wait);
267 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
268 #include <sys/wait.h>]], [[union wait status; int pid; pid = wait (&status);
270 /* Some POSIXoid systems have both the new-style macros and the old
271 union wait type, and they do not work together. If union wait
272 conflicts with WEXITSTATUS et al, we don't want to use it at all. */
273 if (WEXITSTATUS (status) != 0) pid = -1;
276 /* Make sure union wait works with waitpid. */
277 pid = waitpid (-1, &status, 0);
279 ]])],[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)])
281 AC_MSG_CHECKING(sys_siglist declaration in signal.h or unistd.h)
282 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <signal.h>
283 /* NetBSD declares sys_siglist in <unistd.h>. */
286 #endif]], [[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)])
288 # Find the right directory to put the root-mode PID file in
289 for dir in "/var/run" "/etc"
296 AC_MSG_RESULT(root-mode pid file will go in $dir)
297 AC_DEFINE_UNQUOTED(PID_DIR, "$dir", directory for PID lock files)
299 # We may have a fallback MDA available in case the socket open to the
300 # local SMTP listener fails. Best to use procmail for this, as we know
301 # it won't try delivering through local SMTP and cause a mail loop.
302 # Sendmail without the -t option to use the message headers will work too,
303 # not just for sendmail itself but for workalikes like exim.
305 # Note1: A disadvantage of using procmail is that local alias expansion
306 # according to /etc/aliases won't get done if we fall back. This doesn't
307 # matter in single-drop mode.
309 # Note2: it would be a very bad idea to use any MDA that doesn't return
310 # a refuse-to-deliver status on disk- or process-table-full
311 # conditions; mail could get lost that way. Sendmail and all of the MDAs
312 # like exim that might be lurking under a sendmail alias) do the right
313 # thing in this circumstance. Matthias Andree warns that procmail does
316 # Note3: Defalt value of fallback is now off. Matthias writes:
318 # 1. there is no way to predict when the fallback is used. With some MTAs
319 # (such as those limiting load average), outer circumstances can cause
320 # the fallback to kick in.
322 # 2. the fallback changes fetchmail behaviour in unpredictable ways. It's
323 # not only about alias expansion, .forwards to special filters won't
324 # work, mail may end up in a different place (users claim "mail loss"
327 # 3. The claim procmail did the right thing with its exit codes is plain
328 # wrong. I've seen procmail exit with code 1 when it should have exited
329 # with code 75, like, configuration errors. Procmail is a dangerous
330 # beast and is best replaced by maildrop.
332 # 4. if multiple choices exist (like procmail and maildrop), fetchmail
333 # cannot tell which one it should choose. Say, your MTA is configured
334 # to use maildrop to deliver to user's mailboxes, if fetchmail then
335 # chooses procmail, this is plain wrong.
338 AC_PATH_PROG(procmail, procmail, "", $PATH:/usr/sbin)
339 AC_PATH_PROG(sendmail, sendmail, "", $PATH:/usr/sbin:/usr/lib)
340 AC_PATH_PROG(maildrop, maildrop, "", $PATH:/usr/local/bin)
342 ### use option --disable-fallback to disable fallback MDA
343 ### use option --enable-fallback=procmail or
344 ### --enable-fallback=sendmail to select
345 AC_ARG_ENABLE(fallback,
346 [ --enable-fallback=procmail enable procmail as fallback
347 --enable-fallback=sendmail enable /usr/sbin/sendmail as fallback
348 --enable-fallback=maildrop enable maildrop as fallback
349 --enable-fallback=no disable fallback],,[enable_fallback=no])
351 case "$enable_fallback" in
352 sendmail) if test -z "$sendmail" ; then
353 AC_MSG_ERROR([Sendmail selected as fallback, but not found])
356 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$sendmail -i %T", Fallback MTA to use if defined)
357 AC_MSG_NOTICE(Will use $sendmail as fallback MDA.)
359 procmail) if test -z "$procmail" ; then
360 AC_MSG_ERROR([procmail selected as fallback, but not found])
363 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$procmail -d %T")
364 AC_MSG_NOTICE(Will use $procmail as fallback MDA.)
366 maildrop) if test -z "$maildrop" ; then
367 AC_MSG_ERROR([maildrop selected as fallback, but not found])
370 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$maildrop -d %T")
371 AC_MSG_NOTICE(Will use $maildrop as fallback MDA.)
373 no|unset) AC_MSG_NOTICE(Will not use a fallback MDA.)
375 auto|yes|set) if test -n "$sendmail" ; then
376 AC_DEFINE_UNQUOTED(FALLBACK_MDA,"$sendmail -i %T")
377 AC_MSG_NOTICE(Will use $sendmail as fallback MDA.)
379 AC_MSG_WARN(No fallback MDA available. procmail and maildrop are not eligible)
380 AC_MSG_WARN(for automatic fallback MDA configuration for reliability reasons.)
383 *) AC_MSG_ERROR([unkown value for --enable-fallback given: $enable_fallback])
388 AC_CHECK_SIZEOF(short)
390 AC_CHECK_SIZEOF(long)
392 ### use option --enable-POP2 to compile in the POP2 support
394 [ --enable-POP2 compile in POP2 protocol support (obsolete)],
395 [with_POP2=$enableval],
397 test "$with_POP2" = "yes" && AC_DEFINE(POP2_ENABLE,1,Define if you want POP2 support compiled in)
398 AM_CONDITIONAL(POP2_ENABLE, test "$with_POP2" = yes)
400 ### use option --disable-POP3 to omit the POP3 support
402 [ --disable-POP3 don't compile in POP3 protocol support],
403 [with_POP3=$enableval],
405 test "$with_POP3" = "yes" && AC_DEFINE(POP3_ENABLE,1,Define if you want POP3 support compiled in)
406 AM_CONDITIONAL(POP3_ENABLE, test "$with_POP3" = yes)
408 ### use option --disable-IMAP to omit the IMAP support
410 [ --disable-IMAP don't compile in IMAP protocol support],
411 [with_IMAP=$enableval],
413 test "$with_IMAP" = "yes" && AC_DEFINE(IMAP_ENABLE,1,Define if you want IMAP support compiled in)
414 AM_CONDITIONAL(IMAP_ENABLE, test "$with_IMAP" = yes)
416 ### use option --disable-ETRN to omit the ETRN support
418 [ --disable-ETRN don't compile in ETRN protocol support],
419 [with_ETRN=$enableval],
421 test "$with_ETRN" = "yes" && AC_DEFINE(ETRN_ENABLE,1,Define if you want ETRN support compiled in.)
422 AM_CONDITIONAL(ETRN_ENABLE, test "$with_ETRN" = yes)
424 ### use option --disable-ODMR to omit the ODMR support
426 [ --disable-ODMR don't compile in ODMR protocol support],
427 [with_ODMR=$enableval],
429 test "$with_ODMR" = "yes" && AC_DEFINE(ODMR_ENABLE,1,Define if you want ODMR support compiled in)
430 AM_CONDITIONAL(ODMR_ENABLE, test "$with_ODMR" = yes)
432 ### use option --enable-RPA to compile in the RPA support
434 [ --enable-RPA compile in RPA protocol support],
435 [with_RPA=$enableval],
437 test "$with_RPA" = "yes" && AC_DEFINE(RPA_ENABLE,1,Define if you want RPA support compiled in)
438 AM_CONDITIONAL(RPA_ENABLE, test "$with_RPA" = yes)
440 ### use option --enable-NTLM to compile in the NTLM support
442 [ --enable-NTLM compile in NTLM authentication support],
443 [with_NTLM=$enableval],
445 test "$with_NTLM" = "yes" && AC_DEFINE(NTLM_ENABLE,1,Define if you want NTLM authentication)
446 AM_CONDITIONAL(NTLM_ENABLE, test "$with_NTLM" = yes)
448 ### use option --enable-SDPS to compile in the SDPS support
450 [ --enable-SDPS compile in SDPS protocol support],
451 [with_SDPS=$enableval],
453 if test "$with_SDPS" = yes ; then
454 if test "$with_POP3" != yes ; then
455 AC_MSG_WARN([SDPS cannot be enabled with POP3 disabled. Disabling SDPS.])
458 AC_DEFINE(SDPS_ENABLE,1,Define if you want SDPS support compiled in)
461 if test "$with_POP3" != yes && test "$with_POP2" != yes \
462 && test "$with_IMAP" != yes ; then
463 AC_MSG_ERROR([You must enable at least one of POP2, POP3 and IMAP.])
468 ### use option --enable-opie to compile in the OPIE support
470 [ --enable-opie support OTP through the OPIE library],
471 [ AC_CHECK_HEADER(opie.h,, [AC_MSG_ERROR(cannot find <opie.h>, which is required for OPIE support.)])
472 AC_CHECK_LIB(opie,opiegenerator,, [AC_MSG_ERROR(cannot find libopie, which is required for OPIE support.)])
473 with_opie=$enableval],
475 test "$with_opie" = "yes" && AC_DEFINE(OPIE_ENABLE,1,Define if you want OPIE support compiled in)
477 dnl Mostly stolen from gnulib's getaddrinfo.m4
478 AC_SEARCH_LIBS(getaddrinfo, [nsl socket])
479 AC_CACHE_CHECK([for getaddrinfo],[fm_cv_getaddrinfo],[
481 #include <sys/types.h>
482 #ifdef HAVE_SYS_SOCKET_H
483 #include <sys/socket.h>
488 ], [getaddrinfo(0, 0, 0, 0);],
489 [ fm_cv_getaddrinfo=yes],
490 [ fm_cv_getaddrinfo=no ])
493 if test x"$fm_cv_getaddrinfo" = "xyes"; then
494 AC_DEFINE(HAVE_GETADDRINFO, 1,
495 [Define to 1 if you have the getaddrinfo function.])
498 AC_CACHE_CHECK([for getnameinfo],[fm_cv_getnameinfo],[
500 #include <sys/types.h>
501 #ifdef HAVE_SYS_SOCKET_H
502 #include <sys/socket.h>
510 ], [getnameinfo(NULL,0, NULL,0, NULL, 0, 0);],
511 [ fm_cv_getnameinfo=yes],
512 [ fm_cv_getnameinfo=no ])
514 if test $fm_cv_getnameinfo = yes ; then
515 AC_DEFINE(HAVE_GETNAMEINFO,1,[Define to 1 if your system has getnameinfo()])
518 AM_CONDITIONAL(NEED_GETADDRINFO, test "$fm_cv_getaddrinfo" != yes)
519 AM_CONDITIONAL(NEED_GETNAMEINFO, test "$fm_cv_getnameinfo" != yes)
521 AC_CHECK_FUNCS(inet_ntop)
522 dnl Check if getaddrinfo is async-signal-safe - most implementations aren't
523 if test "$fm_cv_getaddrinfo" = yes ; then
524 AC_MSG_CHECKING(if your getaddrinfo is async-signal-safe)
526 dnl we have getaddrinfo() - check if the OS is known to have a async-signal-safe implementation
528 darwin9*) gai_ts=yes ;;
529 linux*) gai_ts=yes ;;
530 freebsd5.5|freebsd6*|freebsd7*) gai_ts=yes ;;
531 solaris2.8|solaris2.9|solaris2.10) gai_ts=yes ;;
533 AC_MSG_RESULT($gai_ts)
534 if test $gai_ts = yes ; then
535 AC_DEFINE(GETADDRINFO_ASYNCSAFE, 1, [define to 1 if you know your getaddrinfo function is async-signal-safe])
539 # This version of the Kerberos 4 and 5 options addresses the follwing issues:
541 # * Build correctly under Heimdal kerberos if it is compiled with db2 and
542 # OpenSSL support (Debian's is)
543 # * Build the kerberos.c stuff (KPOP) only for kerberosIV, to avoid breakage.
544 # I don't know if this is 100% correct, but now at least IMAP and POP3
545 # behave the same way regarding kerberosV.
546 # * Build without any fuss for both kerberosIV and V at the same time.
547 # * Move all the kerberos header mess to kerberos.h, and #include that
548 # in driver.c and kerberos.c.
550 # Tested using the Heimdal Kerberos V libs, Kungliga Tekniska Högskolan (the
551 # Royal Institute of Technology in Stockholm, Sweden)'s kerberos IV libs, and
552 # the MIT reference implementation of KerberosV (all as packaged in Debian).
554 ### use option --with-kerberos5=DIR to point at a Kerberos 5 directory
555 ### make sure --with-ssl is run before --with-kerberos* !
556 AC_ARG_WITH(kerberos5,
557 [ --with-kerberos5=DIR point fetchmail compilation at a Kerberos 5 directory],
559 if test "$with_kerberos5" != "no"
561 # Check for a OpenBSD special case
562 if test "$with_kerberos5" = "yes" && ( test `uname` = "OpenBSD" )
564 AS_MESSAGE(checking kerberosV for OpenBSD...)
565 AC_DEFINE(HEIMDAL,1,Define if you have HEIMDAL kerberos 5)
566 AC_DEFINE(KERBEROS_V5,1,Define if you have Kerberos V5)
567 CFLAGS="$CFLAGS -I/usr/include/kerberosV"
568 LIBS="$LIBS -lasn1 -lkrb5 -lcom_err -lkafs"
569 elif krb5-config 2> /dev/null >/dev/null ; then
570 krb5_prefix=`krb5-config --prefix krb5`
571 AC_MSG_RESULT([krb5-config points to kerberosV under $krb5_prefix])
572 if test -f ${krb5_prefix}/include/et/com_err.h && \
573 ! test -f ${krb5_prefix}/include/com_err.h ; then
574 CFLAGS="$CFLAGS -I${krb5_prefix}/include/et"
577 CFLAGS="$CFLAGS `krb5-config --cflags krb5`"
578 LIBS="$LIBS `krb5-config --libs krb5`"
579 AC_DEFINE(KERBEROS_V5)
581 if test "$with_kerberos5" != "yes"
583 LDFLAGS="$LDFLAGS -L${with_kerberos5}/lib"
584 searchdirs="$with_kerberos5"
586 searchdirs="/usr/kerberos /usr/local/krb5 /usr/athena /usr"
589 for dir in $searchdirs
590 do AC_MSG_CHECKING([for Kerberos V in $dir])
591 if test -f "$dir/include/krb5.h" || test -f "$dir/include/krb5/krb5.h"
593 if test -d "$dir/include/krb5" ; then CPPFLAGS="$CPPFLAGS -I$dir/include/krb5" ; fi
595 if test -f "$dir/include/roken.h" || test -f "$dir/include/krb5/roken.h"
597 ac_krblibs="-lasn1 -lroken -lcom_err"
598 AC_MSG_RESULT([Heimdal found])
599 dnl Attempt to detect if we need to -ldb2 to link Heimdal
600 dnl we assume we do if it is available
601 AC_CHECK_LIB(db2, db_open, ac_krblibs="$ac_krblibs -ldb2", [],
603 AC_CHECK_LIB(des, des_string_to_key, libk5crypto=-ldes,
604 AC_CHECK_LIB(crypto, MD5_Init, [],
605 AC_MSG_ERROR([DES libraries not found. Try adding --with-ssl to enable OpenSSL support]),
606 ${LDFLAGS} ${ac_krblibs}),
607 ${LDFLAGS} ${ac_krblibs})
610 AC_MSG_RESULT([found])
611 ac_krblibs="-lcom_err"
613 krb5_des_string_to_key,
614 libk5crypto=-lcrypto,
615 AC_CHECK_LIB(k5crypto,
616 krb5_des_string_to_key,
617 libk5crypto=-lk5crypto,
618 AC_MSG_ERROR([Kerberos 5 DES libraries not found]),
619 ${LDFLAGS} ${ac_krblibs}),
620 ${LDFLAGS} ${ac_krblibs})
622 AC_CHECK_LIB(krb5, krb5_init_context,[],
624 ${LDFLAGS} ${ac_krblibs})
625 AC_DEFINE(KERBEROS_V5)
626 test "$dir" != "/usr" && CFLAGS="$CFLAGS -I$dir/include"
627 LDFLAGS="$LDFLAGS -L$dir/lib"
628 LIBS="$LIBS $ac_krblibs $libk5crypto"
632 AC_MSG_RESULT([not found])
635 if test -z "$with_kerberos5" ; then
636 AC_MSG_ERROR([Kerberos 5 libraries not found])
640 ]) dnl --with-kerberos5=DIR
642 ### use option --with-kerberos=DIR to point at a Kerberos 4 directory
644 AC_ARG_WITH(kerberos,
645 [ --with-kerberos=DIR point fetchmail compilation at a Kerberos 4 directory],
647 if test "$with_kerberos" != "no"
649 AC_MSG_WARN([Kerberos IV support is obsolete. Use --with-kerberos5 if possible.])
650 # Check for a NetBSD/OpenBSD special case
651 if test "$with_kerberos" = "yes" && ( test `uname` = "NetBSD" || test `uname` = "OpenBSD" )
653 AS_MESSAGE(checking kerberosIV for `uname`...)
655 CFLAGS="$CFLAGS -I/usr/include/kerberosIV"
657 NetBSD) LIBS="$LIBS -lkrb -ldes -lroken -lcom_err" ;;
658 OpenBSD) LIBS="$LIBS -lkrb -ldes" ;;
660 elif krb4-config 2> /dev/null >/dev/null ; then
661 krb4_prefix=`krb4-config --prefix`
662 AC_MSG_RESULT([krb4-config points to kerberosIV under $krb4_prefix])
664 CFLAGS="$CFLAGS `krb4-config --cflags`"
665 LIBS="$LIBS `krb4-config --libs`"
667 elif krb5-config 2> /dev/null >/dev/null ; then
668 krb4_prefix=`krb5-config --prefix krb4`
669 AC_MSG_RESULT([krb5-config points to kerberosIV under $krb4_prefix])
670 if test -f ${krb4_prefix}/include/kerberosIV/krb.h ; then
671 AC_DEFINE(KERBEROS_V4_V5,1,Define if you have Kerberos V4 headers under a kerberosIV directory)
674 CFLAGS="$CFLAGS `krb5-config --cflags krb4`"
675 LIBS="$LIBS `krb5-config --libs krb4`"
678 #we need to detect when we're building under a kerberosV compatibility
680 if test "$with_kerberos" != "yes" ; then
681 searchdirs="$with_kerberos"
683 searchdirs="$with_kerberos5 /usr/kerberos /usr/kerberosIV /usr/athena /usr"
686 ac_saveLDFLAGS="$LDFLAGS"
687 for dir in $searchdirs
689 AC_MSG_CHECKING([for Kerberos IV in $dir])
690 if test -f "$dir/include/krb.h" || test -f "$dir/include/krb4.h" \
691 || test -f "$dir/include/kerberosIV/krb.h"
693 AC_MSG_RESULT([found])
695 AC_MSG_RESULT([not found])
699 if test -f "$with_kerberos5/roken.h" ; then
700 AC_CHECK_LIB(45, krb_mk_req)
702 LDFLAGS="-L$dir/lib $ac_saveLDFLAGS"
703 if test `uname` = "FreeBSD"; then
704 AC_SEARCH_LIBS(_ossl_old_des_string_to_key, [des425 des crypto], [], continue)
706 AC_SEARCH_LIBS(des_string_to_key, [crypto], [], continue)
708 AC_SEARCH_LIBS(krb_realmofhost, [krb4 krb], [], continue)
710 if test -f "$dir/include/kerberosIV/krb.h" ; then
711 dir="$dir/include/kerberosIV"
716 test -f "$with_kerberos5/roken.h" && AC_DEFINE(HEIMDAL)
717 test "$dir" != "/usr/include" && CFLAGS="$CFLAGS -I$dir"
718 LDFLAGS="$LDFLAGS -L$with_kerberos/lib"
721 if test -z "$with_kerberos" ; then
722 AC_MSG_ERROR([Kerberos 4 libraries not found])
724 LDFLAGS="$ac_saveLDFLAGS"
727 ]) dnl --with-kerberos=DIR
728 if test "$KERBEROS_V4" = 1 ; then
729 AC_DEFINE(KERBEROS_V4,1,Define if you have Kerberos V4)
731 AM_CONDITIONAL(KERBEROS_V4_ENABLE, test "$KERBEROS_V4" = 1)
733 ### use option --with-ssl to compile in the SSL support
735 [ --with-ssl=[DIR] enable SSL support using libraries in DIR],
738 test "$with_ssl" != "no" && AC_DEFINE(SSL_ENABLE,1,Define if you want SSL support compiled in)
740 if test "$with_ssl" = "yes"
742 # User didn't specify an SSL location. Let's look at some common
743 # directories where SSL has been found in the past and try and auto
744 # configure for SSL. OpenSSL determination will be made later.
745 # This will screw up if an OpenSSL install is located in a later
746 # directory than an older SSLeay install, but the user should fix that
747 # anyways and he can override on the configure line.
748 # Just testing for directories is not sufficient, /usr exists on
760 if test -r "$ac_dir/include/openssl/ssl.h" ; then
767 if test -n "$with_ssl" -a "$with_ssl" != "no"
769 # With the autoconfigure above, the only time this is going to be
770 # true is going to be when we could not find the headers. If they
771 # are not in system standard locations, we are going to be broken.
772 if test "$with_ssl" = "yes"
774 # Let's just define the standard location for the SSLeay root
775 with_ssl="/usr/local/ssl"
777 if test -r $with_ssl/include/openssl/ssl.h
779 ### ssl.h found under openssl. Use openssl configuration preferentially,
780 AC_MSG_NOTICE(Enabling OpenSSL support in $with_ssl.)
781 test "$with_ssl" != "/usr" && CFLAGS="$CFLAGS -I$with_ssl/include"
782 ### In Red Hat 9, this file includes a reference to <krb5.h>, so we
783 ### force the Kerberos direcory onto the include path so it will build.
784 CFLAGS="$CFLAGS -I/usr/kerberos/include"
785 ### OpenBSD comes with ssl headers
787 AC_MSG_ERROR([SSL support enabled, but OpenSSL not found])
789 LDFLAGS="$LDFLAGS -L$with_ssl/lib"
790 LIBS="$LIBS -lssl -lcrypto"
791 dnl check if -ldl is needed
792 AC_MSG_CHECKING([for additional library dependencies of SSL])
795 for i in "" "-ldl" ; do
796 LIBS="$LDFLAGS $save_LIBS $i"
797 AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <openssl/ssl.h>],[SSL_library_init()])],[found=1; break])
799 if test $found = 0 ; then
800 AC_MSG_RESULT([error])
801 AC_MSG_ERROR([cannot link with SSL - check config.log])
804 if test "$i" = "" ; then i="(none)" ; fi
806 dnl XXX FIXME: use pkg-config if available!
807 AC_DEFINE(SSL_ENABLE)
809 AC_MSG_NOTICE(Disabling SSL support.)
812 ### use option --with-socks=DIR to point at SOCKS library
814 [ --with-socks[=DIR] add built-in SOCKS firewall access],
816 if test "$with_socks" != no
818 if test "$with_socks" != yes
820 LDFLAGS="$LDFLAGS -L$with_socks"
822 AC_CHECK_LIB(socks, Rconnect,,
823 AC_MSG_ERROR([could not find libsocks which is needed for built-in SOCKS support]))
825 AC_DEFINE(HAVE_SOCKS,1,Define if you want built-in SOCKS support)
826 CFLAGS="$CFLAGS -Dconnect=Rconnect -Dgetsockname=Rgetsockname -Dbind=Rbind -Daccept=Raccept -Dlisten=Rlisten -Dselect=Rselect"
830 ### use option --with-socks5=DIR to point at SOCKS library
832 [ --with-socks5[=DIR] add built-in SOCKS5 firewall access],
834 if test "$with_socks5" != no
836 if test "$with_socks5" != yes
838 LDFLAGS="$LDFLAGS -L$with_socks5"
840 ac_savedLDFLAGS="$LDFLAGS"
841 LDFLAGS="$LDFLAGS $LDFLAGS"
842 AC_CHECK_LIB(socks5, SOCKSconnect,,
843 AC_MSG_ERROR([could not find libsocks5 which is needed for built-in SOCKS5 support]))
844 AC_DEFINE(HAVE_SOCKS)
845 CFLAGS="$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"
846 AC_CHECK_FUNC(SOCKSfclose, [CFLAGS="$CFLAGS -Dfclose=SOCKSfclose"])
847 LDFLAGS="$ac_savedLDFLAGS"
850 dnl for libesmtp/ modules:
851 ACX_WHICH_GETHOSTBYNAME_R
853 ### use option --with-hesiod=DIR to point at a HESIOD directory
854 AC_ma_SEARCH_PACKAGE(hesiod, hesiod_getmailhost, /usr/athena /usr /usr/local,hesiod, hesiod.h)
856 ### use option --with-gssapi=DIR to compile in GSSAPI support
858 [ --with-gssapi[=DIR] compile in GSSAPI support using libraries in DIR],
860 if test "$with_gssapi" != "no"
862 if test "$with_gssapi" = "yes" -a -n "$with_kerberos5"
864 with_gssapi=$with_kerberos5
867 if test "$with_gssapi" != "yes" -a -n "$with_gssapi"
869 CFLAGS="$CFLAGS -I$with_gssapi/include"
870 LDFLAGS="$LDFLAGS -L$with_gssapi/lib"
873 dnl obtain gssapi default libs
874 if krb5-config --libs gssapi 2>/dev/null >/dev/null ; then
875 LIBS="$LIBS `krb5-config --libs gssapi`"
877 AC_CHECK_LIB(gss, gss_check_version, LIBS="$LIBS -lgss", nogss=t)
881 if test "$with_gssapi" = yes ; then
884 if test -f "$with_gssapi/include/roken.h" -o -f "$with_gssapi/include/krb5/roken.h"
886 # have roken.h, assume Heimdal
888 NetBSD) LIBS="$LIBS -lkrb5" ;;
889 *) LIBS="$LIBS -lkrb5 -lasn1 -ldes -lroken -ldb -ldl" ;;
891 AC_CHECK_LIB(gssapi, gss_init_sec_context,LIBS="$LIBS -lgssapi",
892 AC_MSG_ERROR([could not find libgssapi which is needed for GSSAPI support]), )
895 # no roken.h, assume MIT
896 AC_CHECK_LIB(gssapi_krb5, gss_init_sec_context,LIBS="$LIBS -lgssapi_krb5",
897 AC_MSG_ERROR([could not find libgssapi_krb5 which is needed for GSSAPI support]), -lkrb5)
901 AC_DEFINE(GSSAPI,1,Define if you want GSSAPI authentication)
902 if test "$with_gssapi" != yes ; then
903 CPPFLAGS="$CPPFLAGS -I$with_gssapi/include"
905 AC_CHECK_HEADERS(gss.h gssapi.h gssapi/gssapi.h gssapi/gssapi_generic.h)
906 if test "$ac_cv_header_gssapi_h" = "yes"; then
907 AC_EGREP_HEADER(GSS_C_NT_HOSTBASED_SERVICE, gssapi.h, AC_DEFINE(HAVE_GSS_C_NT_HOSTBASED_SERVICE,1,Define if you have MIT kerberos))
909 AC_EGREP_HEADER(GSS_C_NT_HOSTBASED_SERVICE, gssapi/gssapi.h, AC_DEFINE(HAVE_GSS_C_NT_HOSTBASED_SERVICE))
913 dnl ,------------------------------------------------------------------
914 dnl Check if we need TRIO
916 if test "$FORCE_TRIO" = "yes" ; then
918 ac_cv_func_vsnprintf=no
919 ac_cv_func_snprintf=no
921 if test "x$ac_cv_func_snprintf" != "xyes" ; then
922 AC_DEFINE(snprintf, trio_snprintf,
923 [Define to trio_snprintf if your system lacks snprintf])
926 if test "x$ac_cv_func_vsnprintf" != "xyes" ; then
927 AC_DEFINE(vsnprintf, trio_vsnprintf,
928 [Define to trio_vsnprintf if your system lacks vsnprintf])
931 AM_CONDITIONAL(NEED_TRIO, test "$needtrio" = 1)
933 dnl TRIO IEEE compiler option for Alpha
935 if test "$needtrio" = 1 ; then
936 AC_MSG_CHECKING(for IEEE compilation options)
937 AC_CACHE_VAL(ac_cv_ieee_option, [
939 #if !(defined(__alpha) && (defined(__DECC) || defined(__DECCXX) || (defined(__osf__) && defined(__LANGUAGE_C__))) && (defined(VMS) || defined(__VMS)))
940 # error "Option needed"
942 ],ac_cv_ieee_option="/IEEE_MODE=UNDERFLOW_TO_ZERO/FLOAT=IEEE",
944 #if !(defined(__alpha) && (defined(__DECC) || defined(__DECCXX) || (defined(__osf__) && defined(__LANGUAGE_C__))) && !(defined(VMS) || defined(__VMS)) && !defined(_CFE))
945 # error "Option needed"
947 ],ac_cv_ieee_option="-ieee",
949 #if !(defined(__alpha) && (defined(__GNUC__) && (defined(__osf__) || defined(__linux__))))
950 # error "Option needed"
952 ],ac_cv_ieee_option="-mieee",
953 ac_cv_ieee_option="none"
958 AC_MSG_RESULT($ac_cv_ieee_option)
959 if test $ac_cv_ieee_option != none; then
960 CFLAGS="${CFLAGS} ${ac_cv_ieee_option}"
963 dnl ----------------------------------------------------------------'
965 AC_CONFIG_FILES([Makefile po/Makefile.in genlsm.sh])
969 dnl comment-start: "dnl "
971 dnl comment-start-skip: "\\bdnl\\b\\s *"
972 dnl compile-command: "make configure config.h.in"