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],[6.3.17],[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 $LDFLAGS | sed "s/-s //"`
140 AM_GNU_GETTEXT([external], [need-ngettext])
141 AM_GNU_GETTEXT_VERSION([0.14.6])
144 # Under sysV68, socket and friends are provided by the C library.
145 # -linet does not provide socket, but causes multiple definition
146 # errors at link-time. It is thus better to only use the C library.
147 # So don't add -linet to the link list unless it's necessary
148 AC_CHECK_FUNC(socket,
149 AC_MSG_RESULT(using libc's socket),
150 AC_CHECK_LIB(socket,socket)
151 AC_CHECK_LIB(inet,socket))
153 # The condition in this test copes with the presence of inet_addr in libc6.
154 AC_CHECK_FUNC(inet_addr,
155 AC_MSG_RESULT(using libc's inet_addr),
156 AC_CHECK_LIB(nsl,inet_addr))
158 dnl Port hack for Interactive UNIX System V/386 Release 3.2
159 AC_CHECK_LIB(cposix, strchr,
160 [DEFS="$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 "$with_NTLM" = "yes" && AC_DEFINE(NTLM_ENABLE,1,Define if you want NTLM authentication)
447 ### use option --enable-SDPS to compile in the SDPS support
449 [ --enable-SDPS compile in SDPS protocol support],
450 [with_SDPS=$enableval],
452 if test "$with_SDPS" = yes ; then
453 if test "$with_POP3" != yes ; then
454 AC_MSG_WARN([SDPS cannot be enabled with POP3 disabled. Disabling SDPS.])
457 AC_DEFINE(SDPS_ENABLE,1,Define if you want SDPS support compiled in)
460 if test "$with_POP3" != yes && test "$with_POP2" != yes \
461 && test "$with_IMAP" != yes ; then
462 AC_MSG_ERROR([You must enable at least one of POP2, POP3 and IMAP.])
467 ### use option --enable-opie to compile in the OPIE support
469 [ --enable-opie support OTP through the OPIE library],
470 [ AC_CHECK_HEADER(opie.h,, [AC_MSG_ERROR(cannot find <opie.h>, which is required for OPIE support.)])
471 AC_CHECK_LIB(opie,opiegenerator,, [AC_MSG_ERROR(cannot find libopie, which is required for OPIE support.)])
472 with_opie=$enableval],
474 test "$with_opie" = "yes" && AC_DEFINE(OPIE_ENABLE,1,Define if you want OPIE support compiled in)
476 dnl Mostly stolen from gnulib's getaddrinfo.m4
477 AC_SEARCH_LIBS(getaddrinfo, [nsl socket])
478 AC_CACHE_CHECK([for getaddrinfo],[fm_cv_getaddrinfo],[
480 #include <sys/types.h>
481 #ifdef HAVE_SYS_SOCKET_H
482 #include <sys/socket.h>
487 ], [getaddrinfo(0, 0, 0, 0);],
488 [ fm_cv_getaddrinfo=yes],
489 [ fm_cv_getaddrinfo=no ])
492 if test x"$fm_cv_getaddrinfo" = "xyes"; then
493 AC_DEFINE(HAVE_GETADDRINFO, 1,
494 [Define to 1 if you have the getaddrinfo function.])
497 AC_CACHE_CHECK([for getnameinfo],[fm_cv_getnameinfo],[
499 #include <sys/types.h>
500 #ifdef HAVE_SYS_SOCKET_H
501 #include <sys/socket.h>
509 ], [getnameinfo(NULL,0, NULL,0, NULL, 0, 0);],
510 [ fm_cv_getnameinfo=yes],
511 [ fm_cv_getnameinfo=no ])
513 if test $fm_cv_getnameinfo = yes ; then
514 AC_DEFINE(HAVE_GETNAMEINFO,1,[Define to 1 if your system has getnameinfo()])
517 AM_CONDITIONAL(NEED_GETADDRINFO, test "$fm_cv_getaddrinfo" != yes)
518 AM_CONDITIONAL(NEED_GETNAMEINFO, test "$fm_cv_getnameinfo" != yes)
520 AC_CHECK_FUNCS(inet_ntop)
521 dnl Check if getaddrinfo is async-signal-safe - most implementations aren't
522 if test "$fm_cv_getaddrinfo" = yes ; then
523 AC_MSG_CHECKING(if your getaddrinfo is async-signal-safe)
525 dnl we have getaddrinfo() - check if the OS is known to have a async-signal-safe implementation
527 darwin9*) gai_ts=yes ;;
528 linux*) gai_ts=yes ;;
529 freebsd5.5|freebsd6*|freebsd7*) gai_ts=yes ;;
530 solaris2.8|solaris2.9|solaris2.10) gai_ts=yes ;;
532 AC_MSG_RESULT($gai_ts)
533 if test $gai_ts = yes ; then
534 AC_DEFINE(GETADDRINFO_ASYNCSAFE, 1, [define to 1 if you know your getaddrinfo function is async-signal-safe])
538 # This version of the Kerberos 4 and 5 options addresses the follwing issues:
540 # * Build correctly under Heimdal kerberos if it is compiled with db2 and
541 # OpenSSL support (Debian's is)
542 # * Build the kerberos.c stuff (KPOP) only for kerberosIV, to avoid breakage.
543 # I don't know if this is 100% correct, but now at least IMAP and POP3
544 # behave the same way regarding kerberosV.
545 # * Build without any fuss for both kerberosIV and V at the same time.
546 # * Move all the kerberos header mess to kerberos.h, and #include that
547 # in driver.c and kerberos.c.
549 # Tested using the Heimdal Kerberos V libs, Kungliga Tekniska Högskolan (the
550 # Royal Institute of Technology in Stockholm, Sweden)'s kerberos IV libs, and
551 # the MIT reference implementation of KerberosV (all as packaged in Debian).
553 ### use option --with-kerberos5=DIR to point at a Kerberos 5 directory
554 ### make sure --with-ssl is run before --with-kerberos* !
555 AC_ARG_WITH(kerberos5,
556 [ --with-kerberos5=DIR point fetchmail compilation at a Kerberos 5 directory],
558 if test "$with_kerberos5" != "no"
560 # Check for a OpenBSD special case
561 if test "$with_kerberos5" = "yes" && ( test `uname` = "OpenBSD" )
563 AS_MESSAGE(checking kerberosV for OpenBSD...)
564 AC_DEFINE(HEIMDAL,1,Define if you have HEIMDAL kerberos 5)
565 AC_DEFINE(KERBEROS_V5,1,Define if you have Kerberos V5)
566 CFLAGS="$CFLAGS -I/usr/include/kerberosV"
567 LIBS="$LIBS -lasn1 -lkrb5 -lcom_err -lkafs"
568 elif krb5-config 2> /dev/null >/dev/null ; then
569 krb5_prefix=`krb5-config --prefix krb5`
570 AC_MSG_RESULT([krb5-config points to kerberosV under $krb5_prefix])
571 if test -f ${krb5_prefix}/include/et/com_err.h && \
572 ! test -f ${krb5_prefix}/include/com_err.h ; then
573 CFLAGS="$CFLAGS -I${krb5_prefix}/include/et"
576 CFLAGS="$CFLAGS `krb5-config --cflags krb5`"
577 LIBS="$LIBS `krb5-config --libs krb5`"
578 AC_DEFINE(KERBEROS_V5)
580 if test "$with_kerberos5" != "yes"
582 LDFLAGS="$LDFLAGS -L${with_kerberos5}/lib"
583 searchdirs="$with_kerberos5"
585 searchdirs="/usr/kerberos /usr/local/krb5 /usr/athena /usr"
588 for dir in $searchdirs
589 do AC_MSG_CHECKING([for Kerberos V in $dir])
590 if test -f "$dir/include/krb5.h" || test -f "$dir/include/krb5/krb5.h"
592 if test -d "$dir/include/krb5" ; then CPPFLAGS="$CPPFLAGS -I$dir/include/krb5" ; fi
594 if test -f "$dir/include/roken.h" || test -f "$dir/include/krb5/roken.h"
596 ac_krblibs="-lasn1 -lroken -lcom_err"
597 AC_MSG_RESULT([Heimdal found])
598 dnl Attempt to detect if we need to -ldb2 to link Heimdal
599 dnl we assume we do if it is available
600 AC_CHECK_LIB(db2, db_open, ac_krblibs="$ac_krblibs -ldb2", [],
602 AC_CHECK_LIB(des, des_string_to_key, libk5crypto=-ldes,
603 AC_CHECK_LIB(crypto, MD5_Init, [],
604 AC_MSG_ERROR([DES libraries not found. Try adding --with-ssl to enable OpenSSL support]),
605 ${LDFLAGS} ${ac_krblibs}),
606 ${LDFLAGS} ${ac_krblibs})
609 AC_MSG_RESULT([found])
610 ac_krblibs="-lcom_err"
612 krb5_des_string_to_key,
613 libk5crypto=-lcrypto,
614 AC_CHECK_LIB(k5crypto,
615 krb5_des_string_to_key,
616 libk5crypto=-lk5crypto,
617 AC_MSG_ERROR([Kerberos 5 DES libraries not found]),
618 ${LDFLAGS} ${ac_krblibs}),
619 ${LDFLAGS} ${ac_krblibs})
621 AC_CHECK_LIB(krb5, krb5_init_context,[],
623 ${LDFLAGS} ${ac_krblibs})
624 AC_DEFINE(KERBEROS_V5)
625 test "$dir" != "/usr" && CFLAGS="$CFLAGS -I$dir/include"
626 LDFLAGS="$LDFLAGS -L$dir/lib"
627 LIBS="$LIBS $ac_krblibs $libk5crypto"
631 AC_MSG_RESULT([not found])
634 if test -z "$with_kerberos5" ; then
635 AC_MSG_ERROR([Kerberos 5 libraries not found])
639 ]) dnl --with-kerberos5=DIR
641 ### use option --with-kerberos=DIR to point at a Kerberos 4 directory
643 AC_ARG_WITH(kerberos,
644 [ --with-kerberos=DIR point fetchmail compilation at a Kerberos 4 directory],
646 if test "$with_kerberos" != "no"
648 AC_MSG_WARN([Kerberos IV support is obsolete. Use --with-kerberos5 if possible.])
649 # Check for a NetBSD/OpenBSD special case
650 if test "$with_kerberos" = "yes" && ( test `uname` = "NetBSD" || test `uname` = "OpenBSD" )
652 AS_MESSAGE(checking kerberosIV for `uname`...)
654 CFLAGS="$CFLAGS -I/usr/include/kerberosIV"
656 NetBSD) LIBS="$LIBS -lkrb -ldes -lroken -lcom_err" ;;
657 OpenBSD) LIBS="$LIBS -lkrb -ldes" ;;
659 elif krb4-config 2> /dev/null >/dev/null ; then
660 krb4_prefix=`krb4-config --prefix`
661 AC_MSG_RESULT([krb4-config points to kerberosIV under $krb4_prefix])
663 CFLAGS="$CFLAGS `krb4-config --cflags`"
664 LIBS="$LIBS `krb4-config --libs`"
666 elif krb5-config 2> /dev/null >/dev/null ; then
667 krb4_prefix=`krb5-config --prefix krb4`
668 AC_MSG_RESULT([krb5-config points to kerberosIV under $krb4_prefix])
669 if test -f ${krb4_prefix}/include/kerberosIV/krb.h ; then
670 AC_DEFINE(KERBEROS_V4_V5,1,Define if you have Kerberos V4 headers under a kerberosIV directory)
673 CFLAGS="$CFLAGS `krb5-config --cflags krb4`"
674 LIBS="$LIBS `krb5-config --libs krb4`"
677 #we need to detect when we're building under a kerberosV compatibility
679 if test "$with_kerberos" != "yes" ; then
680 searchdirs="$with_kerberos"
682 searchdirs="$with_kerberos5 /usr/kerberos /usr/kerberosIV /usr/athena /usr"
685 ac_saveLDFLAGS="$LDFLAGS"
686 for dir in $searchdirs
688 AC_MSG_CHECKING([for Kerberos IV in $dir])
689 if test -f "$dir/include/krb.h" || test -f "$dir/include/krb4.h" \
690 || test -f "$dir/include/kerberosIV/krb.h"
692 AC_MSG_RESULT([found])
694 AC_MSG_RESULT([not found])
698 if test -f "$with_kerberos5/roken.h" ; then
699 AC_CHECK_LIB(45, krb_mk_req)
701 LDFLAGS="-L$dir/lib $ac_saveLDFLAGS"
702 if test `uname` = "FreeBSD"; then
703 AC_SEARCH_LIBS(_ossl_old_des_string_to_key, [des425 des crypto], [], continue)
705 AC_SEARCH_LIBS(des_string_to_key, [crypto], [], continue)
707 AC_SEARCH_LIBS(krb_realmofhost, [krb4 krb], [], continue)
709 if test -f "$dir/include/kerberosIV/krb.h" ; then
710 dir="$dir/include/kerberosIV"
715 test -f "$with_kerberos5/roken.h" && AC_DEFINE(HEIMDAL)
716 test "$dir" != "/usr/include" && CFLAGS="$CFLAGS -I$dir"
717 LDFLAGS="$LDFLAGS -L$with_kerberos/lib"
720 if test -z "$with_kerberos" ; then
721 AC_MSG_ERROR([Kerberos 4 libraries not found])
723 LDFLAGS="$ac_saveLDFLAGS"
726 ]) dnl --with-kerberos=DIR
727 if test "$KERBEROS_V4" = 1 ; then
728 AC_DEFINE(KERBEROS_V4,1,Define if you have Kerberos V4)
730 AM_CONDITIONAL(KERBEROS_V4_ENABLE, test "$KERBEROS_V4" = 1)
732 ### use option --with-ssl to compile in the SSL support
734 [ --with-ssl=[DIR] enable SSL support using libraries in DIR],
737 test "$with_ssl" != "no" && AC_DEFINE(SSL_ENABLE,1,Define if you want SSL support compiled in)
739 if test "$with_ssl" = "yes"
741 # User didn't specify an SSL location. Let's look at some common
742 # directories where SSL has been found in the past and try and auto
743 # configure for SSL. OpenSSL determination will be made later.
744 # This will screw up if an OpenSSL install is located in a later
745 # directory than an older SSLeay install, but the user should fix that
746 # anyways and he can override on the configure line.
747 # Just testing for directories is not sufficient, /usr exists on
759 if test -r "$ac_dir/include/openssl/ssl.h" ; then
766 if test -n "$with_ssl" -a "$with_ssl" != "no"
768 # With the autoconfigure above, the only time this is going to be
769 # true is going to be when we could not find the headers. If they
770 # are not in system standard locations, we are going to be broken.
771 if test "$with_ssl" = "yes"
773 # Let's just define the standard location for the SSLeay root
774 with_ssl="/usr/local/ssl"
776 if test -r $with_ssl/include/openssl/ssl.h
778 ### ssl.h found under openssl. Use openssl configuration preferentially,
779 AC_MSG_NOTICE(Enabling OpenSSL support in $with_ssl.)
780 test "$with_ssl" != "/usr" && CFLAGS="$CFLAGS -I$with_ssl/include"
781 ### In Red Hat 9, this file includes a reference to <krb5.h>, so we
782 ### force the Kerberos direcory onto the include path so it will build.
783 CFLAGS="$CFLAGS -I/usr/kerberos/include"
784 ### OpenBSD comes with ssl headers
786 AC_MSG_ERROR([SSL support enabled, but OpenSSL not found])
788 LDFLAGS="$LDFLAGS -L$with_ssl/lib"
789 LIBS="$LIBS -lssl -lcrypto"
790 dnl check if -ldl is needed
791 AC_MSG_CHECKING([for additional library dependencies of SSL])
794 for i in "" "-ldl" ; do
795 LIBS="$LDFLAGS $save_LIBS $i"
796 AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <openssl/ssl.h>],[SSL_library_init()])],[found=1; break])
798 if test $found = 0 ; then
799 AC_MSG_RESULT([error])
800 AC_MSG_ERROR([cannot link with SSL - check config.log])
803 if test "$i" = "" ; then i="(none)" ; fi
805 dnl XXX FIXME: use pkg-config if available!
806 AC_DEFINE(SSL_ENABLE)
808 AC_MSG_NOTICE(Disabling SSL support.)
811 ### use option --with-socks=DIR to point at SOCKS library
813 [ --with-socks[=DIR] add built-in SOCKS firewall access],
815 if test "$with_socks" != no
817 if test "$with_socks" != yes
819 LDFLAGS="$LDFLAGS -L$with_socks"
821 AC_CHECK_LIB(socks, Rconnect,,
822 AC_MSG_ERROR([could not find libsocks which is needed for built-in SOCKS support]))
824 AC_DEFINE(HAVE_SOCKS,1,Define if you want built-in SOCKS support)
825 CFLAGS="$CFLAGS -Dconnect=Rconnect -Dgetsockname=Rgetsockname -Dbind=Rbind -Daccept=Raccept -Dlisten=Rlisten -Dselect=Rselect"
829 ### use option --with-socks5=DIR to point at SOCKS library
831 [ --with-socks5[=DIR] add built-in SOCKS5 firewall access],
833 if test "$with_socks5" != no
835 if test "$with_socks5" != yes
837 LDFLAGS="$LDFLAGS -L$with_socks5"
839 ac_savedLDFLAGS="$LDFLAGS"
840 LDFLAGS="$LDFLAGS $LDFLAGS"
841 AC_CHECK_LIB(socks5, SOCKSconnect,,
842 AC_MSG_ERROR([could not find libsocks5 which is needed for built-in SOCKS5 support]))
843 AC_DEFINE(HAVE_SOCKS)
844 CFLAGS="$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"
845 AC_CHECK_FUNC(SOCKSfclose, [CFLAGS="$CFLAGS -Dfclose=SOCKSfclose"])
846 LDFLAGS="$ac_savedLDFLAGS"
849 dnl for libesmtp/ modules:
850 ACX_WHICH_GETHOSTBYNAME_R
852 ### use option --with-hesiod=DIR to point at a HESIOD directory
853 AC_ma_SEARCH_PACKAGE(hesiod, hesiod_getmailhost, /usr/athena /usr /usr/local,hesiod, hesiod.h)
855 ### use option --with-gssapi=DIR to compile in GSSAPI support
857 [ --with-gssapi[=DIR] compile in GSSAPI support using libraries in DIR],
859 if test "$with_gssapi" != "no"
861 if test "$with_gssapi" = "yes" -a -n "$with_kerberos5"
863 with_gssapi=$with_kerberos5
866 if test "$with_gssapi" != "yes" -a -n "$with_gssapi"
868 CFLAGS="$CFLAGS -I$with_gssapi/include"
869 LDFLAGS="$LDFLAGS -L$with_gssapi/lib"
872 dnl obtain gssapi default libs
873 if krb5-config --libs gssapi 2>/dev/null >/dev/null ; then
874 LIBS="$LIBS `krb5-config --libs gssapi`"
876 AC_CHECK_LIB(gss, gss_check_version, LIBS="$LIBS -lgss", nogss=t)
880 if test "$with_gssapi" = yes ; then
883 if test -f "$with_gssapi/include/roken.h" -o -f "$with_gssapi/include/krb5/roken.h"
885 # have roken.h, assume Heimdal
887 NetBSD) LIBS="$LIBS -lkrb5" ;;
888 *) LIBS="$LIBS -lkrb5 -lasn1 -ldes -lroken -ldb -ldl" ;;
890 AC_CHECK_LIB(gssapi, gss_init_sec_context,LIBS="$LIBS -lgssapi",
891 AC_MSG_ERROR([could not find libgssapi which is needed for GSSAPI support]), )
894 # no roken.h, assume MIT
895 AC_CHECK_LIB(gssapi_krb5, gss_init_sec_context,LIBS="$LIBS -lgssapi_krb5",
896 AC_MSG_ERROR([could not find libgssapi_krb5 which is needed for GSSAPI support]), -lkrb5)
900 AC_DEFINE(GSSAPI,1,Define if you want GSSAPI authentication)
901 if test "$with_gssapi" != yes ; then
902 CPPFLAGS="$CPPFLAGS -I$with_gssapi/include"
904 AC_CHECK_HEADERS(gss.h gssapi.h gssapi/gssapi.h gssapi/gssapi_generic.h)
905 if test "$ac_cv_header_gssapi_h" = "yes"; then
906 AC_EGREP_HEADER(GSS_C_NT_HOSTBASED_SERVICE, gssapi.h, AC_DEFINE(HAVE_GSS_C_NT_HOSTBASED_SERVICE,1,Define if you have MIT kerberos))
908 AC_EGREP_HEADER(GSS_C_NT_HOSTBASED_SERVICE, gssapi/gssapi.h, AC_DEFINE(HAVE_GSS_C_NT_HOSTBASED_SERVICE))
912 dnl ,------------------------------------------------------------------
913 dnl Check if we need TRIO
915 if test "$FORCE_TRIO" = "yes" ; then
917 ac_cv_func_vsnprintf=no
918 ac_cv_func_snprintf=no
920 if test "x$ac_cv_func_snprintf" != "xyes" ; then
921 AC_DEFINE(snprintf, trio_snprintf,
922 [Define to trio_snprintf if your system lacks snprintf])
925 if test "x$ac_cv_func_vsnprintf" != "xyes" ; then
926 AC_DEFINE(vsnprintf, trio_vsnprintf,
927 [Define to trio_vsnprintf if your system lacks vsnprintf])
930 AM_CONDITIONAL(NEED_TRIO, test "$needtrio" = 1)
932 dnl TRIO IEEE compiler option for Alpha
934 if test "$needtrio" = 1 ; then
935 AC_MSG_CHECKING(for IEEE compilation options)
936 AC_CACHE_VAL(ac_cv_ieee_option, [
938 #if !(defined(__alpha) && (defined(__DECC) || defined(__DECCXX) || (defined(__osf__) && defined(__LANGUAGE_C__))) && (defined(VMS) || defined(__VMS)))
939 # error "Option needed"
941 ],ac_cv_ieee_option="/IEEE_MODE=UNDERFLOW_TO_ZERO/FLOAT=IEEE",
943 #if !(defined(__alpha) && (defined(__DECC) || defined(__DECCXX) || (defined(__osf__) && defined(__LANGUAGE_C__))) && !(defined(VMS) || defined(__VMS)) && !defined(_CFE))
944 # error "Option needed"
946 ],ac_cv_ieee_option="-ieee",
948 #if !(defined(__alpha) && (defined(__GNUC__) && (defined(__osf__) || defined(__linux__))))
949 # error "Option needed"
951 ],ac_cv_ieee_option="-mieee",
952 ac_cv_ieee_option="none"
957 AC_MSG_RESULT($ac_cv_ieee_option)
958 if test $ac_cv_ieee_option != none; then
959 CFLAGS="${CFLAGS} ${ac_cv_ieee_option}"
962 dnl ----------------------------------------------------------------'
964 AC_CONFIG_FILES([Makefile po/Makefile.in genlsm.sh])
968 dnl comment-start: "dnl "
970 dnl comment-start-skip: "\\bdnl\\b\\s *"
971 dnl compile-command: "make configure config.h.in"