1 dnl Autoconfigure input file for fetchmail
3 # Fetchmail automatic configuration support
5 # Eric S. Raymond <esr@thyrsus.com>
6 # 2004 - 2009 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],[6.3.14],[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" != :])
36 AC_PROG_CPP dnl Later checks need this.
39 AC_USE_SYSTEM_EXTENSIONS
42 dnl AC_ISC_POSIX: - XXX FIXME: remove in fetchmail 6.4.
43 dnl This macro adds `-lcposix' to output variable `LIBS' if necessary
44 dnl for Posix facilities. Sun dropped support for the obsolete
45 dnl INTERACTIVE Systems Corporation Unix on 2006-07-23. New programs
46 dnl need not use this macro. It is implemented as
47 dnl `AC_SEARCH_LIBS([strerror], [cposix])'
49 dnl check for b0rked Solaris (and other shells) and find one that works
50 AC_MSG_CHECKING(for a working shell...)
51 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
52 $i -c 'if ! false ; then echo $(echo ok) ; fi' >config.$$ 2>/dev/null
55 if test "x$j" = "xok" ; then
62 if test "x$SHELL" = "x" ; then
63 AC_MSG_ERROR(no SUS compliant shell found - on Solaris, install SUNWxcu4)
72 AC_CHECK_HEADERS([unistd.h termios.h termio.h sgtty.h stdarg.h \
73 sys/itimer.h fcntl.h sys/fcntl.h memory.h sys/wait.h \
74 arpa/inet.h arpa/nameser.h netinet/in.h net/socket.h netdb.h \
75 sys/select.h sys/socket.h sys/time.h langinfo.h])
76 if test _$ac_cv_header_stdarg_h != _yes ; then
77 AC_MSG_WARN([stdarg.h is not defined. Unsupported configuration, proceed at your own risk.])
79 AC_CHECK_TYPE(u_int32_t,,
80 AC_DEFINE(u_int32_t,unsigned int,
81 [Define to unsigned int if <sys/types.h> does not define.]),
83 #ifdef HAVE_ARPA_NAMESER_H
84 #include <arpa/nameser.h>
86 AC_CHECK_HEADERS([resolv.h],,,[
87 #include <sys/types.h>
88 #ifdef HAVE_NETINET_IN_H
89 #include <netinet/in.h>
91 #ifdef HAVE_ARPA_NAMESER_H
92 #include <arpa/nameser.h>
96 AC_C_CONST dnl getopt needs this.
102 # Check for OS special cases
105 AC_MSG_NOTICE(found Darwin - Adding -DBIND_8_COMPAT to CFLAGS)
106 CPPFLAGS="$CPPFLAGS -DBIND_8_COMPAT"
108 # Check for FreeBSD special case: more libs needed
110 AC_MSG_NOTICE(found FreeBSD - Adding -lmd -lkvm -lcom_err to standard libraries)
111 LIBS="$LIBS -lmd -lkvm -lcom_err"
113 # Check for LynxOS special case: -lbsd needed (at least on 2.3.0) and -s
116 AC_MSG_NOTICE(found LynxOS - Adding -lbsd to standard libraries)
118 LDFLAGS=`echo $LDFLAGS | sed "s/-s //"`
119 AC_MSG_NOTICE(found LynxOS - Prepending standard include path to gcc flags)
120 CPPFLAGS="$CPPFLAGS -I/usr/include"
122 # Check for Rhapsody special case: it doesn't like -s
124 AC_MSG_NOTICE(found Rhapsody - Removing -s load flag)
125 LDFLAGS=`echo $LDFLAGS | sed "s/-s //"`
132 AM_GNU_GETTEXT([external], [need-ngettext])
133 AM_GNU_GETTEXT_VERSION([0.14.6])
136 # Under sysV68, socket and friends are provided by the C library.
137 # -linet does not provide socket, but causes multiple definition
138 # errors at link-time. It is thus better to only use the C library.
139 # So don't add -linet to the link list unless it's necessary
140 AC_CHECK_FUNC(socket,
141 AC_MSG_RESULT(using libc's socket),
142 AC_CHECK_LIB(socket,socket)
143 AC_CHECK_LIB(inet,socket))
145 # The condition in this test copes with the presence of inet_addr in libc6.
146 AC_CHECK_FUNC(inet_addr,
147 AC_MSG_RESULT(using libc's inet_addr),
148 AC_CHECK_LIB(nsl,inet_addr))
150 dnl Port hack for Interactive UNIX System V/386 Release 3.2
151 AC_CHECK_LIB(cposix, strchr,
152 [DEFS="$DEFS -D_SYSV3"
153 LIBS="$LIBS -lcposix"])
155 dnl Port hack for Sparc/NetBSD-1.5
157 dnl NB: this has been disabled as it causes the unconditional
158 dnl addition of libintl to the build, which is both undesired
159 dnl and breaks on Solaris/Blastwave.org machines.
161 dnl AC_CHECK_LIB(intl, gettext,
162 dnl [LIBS="$LIBS -lintl"])
164 AC_REPLACE_FUNCS([strstr strcasecmp memmove stpcpy strlcpy strlcat])
166 AC_CHECK_FUNC(MD5Init, [],
167 [AC_LIBSOURCE(md5c.c)
168 EXTRAOBJ="$EXTRAOBJ md5c.\$(OBJEXT)"])
170 AC_CHECK_FUNC(getopt_long, [],
171 [AC_LIBSOURCES([getopt.c, getopt1.c])
172 EXTRAOBJ="$EXTRAOBJ getopt.\$(OBJEXT) getopt1.\$(OBJEXT)"])
178 AC_CHECK_FUNCS(tcsetattr stty setsid geteuid seteuid dnl
179 strerror syslog snprintf vprintf vsnprintf vsyslog dnl
180 atexit inet_aton strftime setrlimit socketpair dnl
181 sigaction strdup setlocale)
183 AC_CHECK_DECLS(strerror)
184 dnl INET6 is used by KAME/getnameinfo
185 AC_CACHE_CHECK(for AF_INET6/PF_INET6,ac_cv_inet6,
188 #ifdef HAVE_SYS_TYPES_H
189 #include <sys/types.h>
191 #ifdef HAVE_SYS_SOCKET_H
192 #include <sys/socket.h>
198 ac_cv_inet6=yes , ac_cv_inet6=no
200 if test "x$ac_cv_inet6" = xyes
202 AC_DEFINE(INET6,1,Define to 1 if your system defines AF_INET6 and PF_INET6.)
205 # Under Red Hat 4.0 (and many other Linuxes) -lresolv is seriously flaky
206 # and breaks gethostbyname(2). It's better to use the bind stuff in the C
207 # library. So don't add -lresolv to the link list unless it's necessary
208 # (It will be necessary when using GNU libc6).
210 for lib in '' -lresolv; do
211 if test -z "$lib"; then
212 AC_MSG_CHECKING([for res_search in libc])
214 AC_MSG_CHECKING([for res_search in $lib])
216 LIBS="$old_LIBS $lib"
217 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
218 #include <sys/types.h>
219 #ifdef HAVE_NETINET_IN_H
220 #include <netinet/in.h>
222 #ifdef HAVE_ARPA_NAMESER_H
223 #include <arpa/nameser.h>
228 extern int res_search();
229 ]], [[res_search(0, 0, 0, 0, 0); dn_skipname(0,0);]])],
230 [AC_MSG_RESULT([found])
231 AC_DEFINE(HAVE_RES_SEARCH, [1],
232 [Define to 1 if you have the 'res_search' and 'dn_skipname' functions.])
233 break], [AC_MSG_RESULT([not found])])
237 dnl Check for libcrypt -- it may live in libc or libcrypt, as on IRIX
238 AC_CHECK_FUNC(crypt, , AC_CHECK_LIB(crypt,crypt))
240 dnl Check for RSA refersence library in case we're using SSL
241 AC_CHECK_LIB(rsaref, RSAPublicDecrypt)
243 dnl AC_FUNC_SETVBUF_REVERSED
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 don't 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>. */
277 #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)])
279 # Find the right directory to put the root-mode PID file in
280 for dir in "/var/run" "/etc"
287 AC_MSG_RESULT(root-mode pid file will go in $dir)
288 AC_DEFINE_UNQUOTED(PID_DIR, "$dir", directory for PID lock files)
291 [ --enable-pwmd enable Password Manager Daemon support],
294 if test "$enable_pwmd" = "yes"; then
295 PKG_CHECK_EXISTS([libpwmd], have_libpwmd=1,
296 AC_MSG_ERROR([Could not find libpwmd pkg-config module.]))
299 PKG_CHECK_MODULES([libpwmd], [libpwmd >= 6.0.0])
300 AM_CONDITIONAL(HAVE_LIBPWMD, true)
301 AC_DEFINE(HAVE_LIBPWMD, 1, [Define if you have libPWMD installed.])
303 AM_CONDITIONAL(HAVE_LIBPWMD, false)
306 # We may have a fallback MDA available in case the socket open to the
307 # local SMTP listener fails. Best to use procmail for this, as we know
308 # it won't try delivering through local SMTP and cause a mail loop.
309 # Sendmail without the -t option to use the message headers will work too,
310 # not just for sendmail itself but for workalikes like exim.
312 # Note1: A disadvantage of using procmail is that local alias expansion
313 # according to /etc/aliases won't get done if we fall back. This doesn't
314 # matter in single-drop mode.
316 # Note2: it would be a very bad idea to use any MDA that doesn't return
317 # a refuse-to-deliver status on disk- or process-table-full
318 # conditions; mail could get lost that way. Sendmail and all of the MDAs
319 # like exim that might be lurking under a sendmail alias) do the right
320 # thing in this circumstance. Matthias Andree warns that procmail does
323 # Note3: Defalt value of fallback is now off. Matthias writes:
325 # 1. there is no way to predict when the fallback is used. With some MTAs
326 # (such as those limiting load average), outer circumstances can cause
327 # the fallback to kick in.
329 # 2. the fallback changes fetchmail behaviour in unpredictable ways. It's
330 # not only about alias expansion, .forwards to special filters won't
331 # work, mail may end up in a different place (users claim "mail loss"
334 # 3. The claim procmail did the right thing with its exit codes is plain
335 # wrong. I've seen procmail exit with code 1 when it should have exited
336 # with code 75, like, configuration errors. Procmail is a dangerous
337 # beast and is best replaced by maildrop.
339 # 4. if multiple choices exist (like procmail and maildrop), fetchmail
340 # cannot tell which one it should choose. Say, your MTA is configured
341 # to use maildrop to deliver to user's mailboxes, if fetchmail then
342 # chooses procmail, this is plain wrong.
345 AC_PATH_PROG(procmail, procmail, "", $PATH:/usr/sbin)
346 AC_PATH_PROG(sendmail, sendmail, "", $PATH:/usr/sbin:/usr/lib)
347 AC_PATH_PROG(maildrop, maildrop, "", $PATH:/usr/local/bin)
349 ### use option --disable-fallback to disable fallback MDA
350 ### use option --enable-fallback=procmail or
351 ### --enable-fallback=sendmail to select
352 AC_ARG_ENABLE(fallback,
353 [ --enable-fallback=procmail enable procmail as fallback
354 --enable-fallback=sendmail enable /usr/sbin/sendmail as fallback
355 --enable-fallback=maildrop enable maildrop as fallback
356 --enable-fallback=no disable fallback],,[enable_fallback=no])
358 case "$enable_fallback" in
359 sendmail) if test -z "$sendmail" ; then
360 AC_MSG_ERROR([Sendmail selected as fallback, but not found])
363 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$sendmail -i %T", Fallback MTA to use if defined)
364 AC_MSG_NOTICE(Will use $sendmail as fallback MDA.)
366 procmail) if test -z "$procmail" ; then
367 AC_MSG_ERROR([procmail selected as fallback, but not found])
370 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$procmail -d %T")
371 AC_MSG_NOTICE(Will use $procmail as fallback MDA.)
373 maildrop) if test -z "$maildrop" ; then
374 AC_MSG_ERROR([maildrop selected as fallback, but not found])
377 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$maildrop -d %T")
378 AC_MSG_NOTICE(Will use $maildrop as fallback MDA.)
380 no|unset) AC_MSG_NOTICE(Will not use a fallback MDA.)
382 auto|yes|set) if test -n "$sendmail" ; then
383 AC_DEFINE_UNQUOTED(FALLBACK_MDA,"$sendmail -i %T")
384 AC_MSG_NOTICE(Will use $sendmail as fallback MDA.)
386 AC_MSG_WARN(No fallback MDA available. procmail and maildrop are not eligible)
387 AC_MSG_WARN(for automatic fallback MDA configuration for reliability reasons.)
390 *) AC_MSG_ERROR([unkown value for --enable-fallback given: $enable_fallback])
395 AC_CHECK_SIZEOF(short)
397 AC_CHECK_SIZEOF(long)
399 ### use option --enable-POP2 to compile in the POP2 support
401 [ --enable-POP2 compile in POP2 protocol support (obsolete)],
402 [with_POP2=$enableval],
404 test "$with_POP2" = "yes" && AC_DEFINE(POP2_ENABLE,1,Define if you want POP2 support compiled in)
405 AM_CONDITIONAL(POP2_ENABLE, test "$with_POP2" = yes)
407 ### use option --disable-POP3 to omit the POP3 support
409 [ --disable-POP3 don't compile in POP3 protocol support],
410 [with_POP3=$enableval],
412 test "$with_POP3" = "yes" && AC_DEFINE(POP3_ENABLE,1,Define if you want POP3 support compiled in)
413 AM_CONDITIONAL(POP3_ENABLE, test "$with_POP3" = yes)
415 ### use option --disable-IMAP to omit the IMAP support
417 [ --disable-IMAP don't compile in IMAP protocol support],
418 [with_IMAP=$enableval],
420 test "$with_IMAP" = "yes" && AC_DEFINE(IMAP_ENABLE,1,Define if you want IMAP support compiled in)
421 AM_CONDITIONAL(IMAP_ENABLE, test "$with_IMAP" = yes)
423 ### use option --disable-ETRN to omit the ETRN support
425 [ --disable-ETRN don't compile in ETRN protocol support],
426 [with_ETRN=$enableval],
428 test "$with_ETRN" = "yes" && AC_DEFINE(ETRN_ENABLE,1,Define if you want ETRN support compiled in.)
429 AM_CONDITIONAL(ETRN_ENABLE, test "$with_ETRN" = yes)
431 ### use option --disable-ODMR to omit the ODMR support
433 [ --disable-ODMR don't compile in ODMR protocol support],
434 [with_ODMR=$enableval],
436 test "$with_ODMR" = "yes" && AC_DEFINE(ODMR_ENABLE,1,Define if you want ODMR support compiled in)
437 AM_CONDITIONAL(ODMR_ENABLE, test "$with_ODMR" = yes)
439 ### use option --enable-RPA to compile in the RPA support
441 [ --enable-RPA compile in RPA protocol support],
442 [with_RPA=$enableval],
444 test "$with_RPA" = "yes" && AC_DEFINE(RPA_ENABLE,1,Define if you want RPA support compiled in)
445 AM_CONDITIONAL(RPA_ENABLE, test "$with_RPA" = yes)
447 ### use option --enable-NTLM to compile in the NTLM support
449 [ --enable-NTLM compile in NTLM authentication support],
450 [with_NTLM=$enableval],
452 test "$with_NTLM" = "yes" && AC_DEFINE(NTLM_ENABLE,1,Define if you want NTLM authentication)
454 ### use option --enable-SDPS to compile in the SDPS support
456 [ --enable-SDPS compile in SDPS protocol support],
457 [with_SDPS=$enableval],
459 if test "$with_SDPS" = yes ; then
460 if test "$with_POP3" != yes ; then
461 AC_MSG_WARN([SDPS cannot be enabled with POP3 disabled. Disabling SDPS.])
464 AC_DEFINE(SDPS_ENABLE,1,Define if you want SDPS support compiled in)
467 if test "$with_POP3" != yes && test "$with_POP2" != yes \
468 && test "$with_IMAP" != yes ; then
469 AC_MSG_ERROR([You must enable at least one of POP2, POP3 and IMAP.])
474 ### use option --enable-opie to compile in the OPIE support
476 [ --enable-opie support OTP through the OPIE library],
477 [ AC_CHECK_HEADER(opie.h,, [AC_MSG_ERROR(cannot find <opie.h>, which is required for OPIE support.)])
478 AC_CHECK_LIB(opie,opiegenerator,, [AC_MSG_ERROR(cannot find libopie, which is required for OPIE support.)])
479 with_opie=$enableval],
481 test "$with_opie" = "yes" && AC_DEFINE(OPIE_ENABLE,1,Define if you want OPIE support compiled in)
483 dnl Mostly stolen from gnulib's getaddrinfo.m4
484 AC_SEARCH_LIBS(getaddrinfo, [nsl socket])
485 AC_CACHE_CHECK([for getaddrinfo],[fm_cv_getaddrinfo],[
487 #include <sys/types.h>
488 #ifdef HAVE_SYS_SOCKET_H
489 #include <sys/socket.h>
494 ], [getaddrinfo(0, 0, 0, 0);],
495 [ fm_cv_getaddrinfo=yes],
496 [ fm_cv_getaddrinfo=no ])
499 if test x"$fm_cv_getaddrinfo" = "xyes"; then
500 AC_DEFINE(HAVE_GETADDRINFO, 1,
501 [Define to 1 if you have the getaddrinfo function.])
504 AC_CACHE_CHECK([for getnameinfo],[fm_cv_getnameinfo],[
506 #include <sys/types.h>
507 #ifdef HAVE_SYS_SOCKET_H
508 #include <sys/socket.h>
514 #define NULL ((void *)0)
516 ], [getnameinfo(NULL,0, NULL,0, NULL, 0, 0);],
517 [ fm_cv_getnameinfo=yes],
518 [ fm_cv_getnameinfo=no ])
520 if test $fm_cv_getnameinfo = yes ; then
521 AC_DEFINE(HAVE_GETNAMEINFO,1,[Define to 1 if your system has getnameinfo()])
524 AM_CONDITIONAL(NEED_GETADDRINFO, test "$fm_cv_getaddrinfo" != yes)
525 AM_CONDITIONAL(NEED_GETNAMEINFO, test "$fm_cv_getnameinfo" != yes)
527 AC_CHECK_FUNCS(inet_ntop)
528 dnl Check if getaddrinfo is async-signal-safe - most implementations aren't
529 if test "$fm_cv_getaddrinfo" = yes ; then
530 AC_MSG_CHECKING(if your getaddrinfo is async-signal-safe)
532 dnl we have getaddrinfo() - check if the OS is known to have a async-signal-safe implementation
534 darwin9*) gai_ts=yes ;;
535 linux*) gai_ts=yes ;;
536 freebsd5.5|freebsd6*|freebsd7*) gai_ts=yes ;;
537 solaris2.8|solaris2.9|solaris2.10) gai_ts=yes ;;
539 AC_MSG_RESULT($gai_ts)
540 if test $gai_ts = yes ; then
541 AC_DEFINE(GETADDRINFO_ASYNCSAFE, 1, [define to 1 if you know your getaddrinfo function is async-signal-safe])
545 # This version of the Kerberos 4 and 5 options addresses the follwing issues:
547 # * Build correctly under Heimdal kerberos if it is compiled with db2 and
548 # OpenSSL support (Debian's is)
549 # * Build the kerberos.c stuff (KPOP) only for kerberosIV, to avoid breakage.
550 # I don't know if this is 100% correct, but now at least IMAP and POP3
551 # behave the same way regarding kerberosV.
552 # * Build without any fuss for both kerberosIV and V at the same time.
553 # * Move all the kerberos header mess to kerberos.h, and #include that
554 # in driver.c and kerberos.c.
556 # Tested using the Heimdal Kerberos V libs, Kungliga Tekniska Högskolan (the
557 # Royal Institute of Technology in Stockholm, Sweden)'s kerberos IV libs, and
558 # the MIT reference implementation of KerberosV (all as packaged in Debian).
560 ### use option --with-kerberos5=DIR to point at a Kerberos 5 directory
561 ### make sure --with-ssl is run before --with-kerberos* !
562 AC_ARG_WITH(kerberos5,
563 [ --with-kerberos5=DIR point fetchmail compilation at a Kerberos 5 directory],
565 if test "$with_kerberos5" != "no"
567 # Check for a OpenBSD special case
568 if test "$with_kerberos5" = "yes" && ( test `uname` = "OpenBSD" )
570 AS_MESSAGE(checking kerberosV for OpenBSD...)
571 AC_DEFINE(HEIMDAL,1,Define if you have HEIMDAL kerberos 5)
572 AC_DEFINE(KERBEROS_V5,1,Define if you have Kerberos V5)
573 CFLAGS="$CFLAGS -I/usr/include/kerberosV"
574 LIBS="$LIBS -lasn1 -lkrb5 -lcom_err -lkafs"
575 elif krb5-config 2> /dev/null >/dev/null ; then
576 krb5_prefix=`krb5-config --prefix krb5`
577 AC_MSG_RESULT([krb5-config points to kerberosV under $krb5_prefix])
578 if test -f ${krb5_prefix}/include/et/com_err.h && \
579 ! test -f ${krb5_prefix}/include/com_err.h ; then
580 CFLAGS="$CFLAGS -I${krb5_prefix}/include/et"
583 CFLAGS="$CFLAGS `krb5-config --cflags krb5`"
584 LIBS="$LIBS `krb5-config --libs krb5`"
585 AC_DEFINE(KERBEROS_V5)
587 if test "$with_kerberos5" != "yes"
589 LDFLAGS="$LDFLAGS -L${with_kerberos5}/lib"
590 searchdirs="$with_kerberos5"
592 searchdirs="/usr/kerberos /usr/local/krb5 /usr/athena /usr"
595 for dir in $searchdirs
596 do AC_MSG_CHECKING([for Kerberos V in $dir])
597 if test -f "$dir/include/krb5.h" || test -f "$dir/include/krb5/krb5.h"
599 if test -d "$dir/include/krb5" ; then CPPFLAGS="$CPPFLAGS -I$dir/include/krb5" ; fi
601 if test -f "$dir/include/roken.h" || test -f "$dir/include/krb5/roken.h"
603 ac_krblibs="-lasn1 -lroken -lcom_err"
604 AC_MSG_RESULT([Heimdal found])
605 dnl Attempt to detect if we need to -ldb2 to link Heimdal
606 dnl we assume we do if it is available
607 AC_CHECK_LIB(db2, db_open, ac_krblibs="$ac_krblibs -ldb2", [],
609 AC_CHECK_LIB(des, des_string_to_key, libk5crypto=-ldes,
610 AC_CHECK_LIB(crypto, MD5_Init, [],
611 AC_MSG_ERROR([DES libraries not found. Try adding --with-ssl to enable OpenSSL support]),
612 ${LDFLAGS} ${ac_krblibs}),
613 ${LDFLAGS} ${ac_krblibs})
616 AC_MSG_RESULT([found])
617 ac_krblibs="-lcom_err"
619 krb5_des_string_to_key,
620 libk5crypto=-lcrypto,
621 AC_CHECK_LIB(k5crypto,
622 krb5_des_string_to_key,
623 libk5crypto=-lk5crypto,
624 AC_MSG_ERROR([Kerberos 5 DES libraries not found]),
625 ${LDFLAGS} ${ac_krblibs}),
626 ${LDFLAGS} ${ac_krblibs})
628 AC_CHECK_LIB(krb5, krb5_init_context,[],
630 ${LDFLAGS} ${ac_krblibs})
631 AC_DEFINE(KERBEROS_V5)
632 test "$dir" != "/usr" && CFLAGS="$CFLAGS -I$dir/include"
633 LDFLAGS="$LDFLAGS -L$dir/lib"
634 LIBS="$LIBS $ac_krblibs $libk5crypto"
638 AC_MSG_RESULT([not found])
641 if test -z "$with_kerberos5" ; then
642 AC_MSG_ERROR([Kerberos 5 libraries not found])
646 ]) dnl --with-kerberos5=DIR
648 ### use option --with-kerberos=DIR to point at a Kerberos 4 directory
650 AC_ARG_WITH(kerberos,
651 [ --with-kerberos=DIR point fetchmail compilation at a Kerberos 4 directory],
653 if test "$with_kerberos" != "no"
655 AC_MSG_WARN([Kerberos IV support is obsolete. Use --with-kerberos5 if possible.])
656 # Check for a NetBSD/OpenBSD special case
657 if test "$with_kerberos" = "yes" && ( test `uname` = "NetBSD" || test `uname` = "OpenBSD" )
659 AS_MESSAGE(checking kerberosIV for `uname`...)
661 CFLAGS="$CFLAGS -I/usr/include/kerberosIV"
663 NetBSD) LIBS="$LIBS -lkrb -ldes -lroken -lcom_err" ;;
664 OpenBSD) LIBS="$LIBS -lkrb -ldes" ;;
666 elif krb4-config 2> /dev/null >/dev/null ; then
667 krb4_prefix=`krb4-config --prefix`
668 AC_MSG_RESULT([krb4-config points to kerberosIV under $krb4_prefix])
670 CFLAGS="$CFLAGS `krb4-config --cflags`"
671 LIBS="$LIBS `krb4-config --libs`"
673 elif krb5-config 2> /dev/null >/dev/null ; then
674 krb4_prefix=`krb5-config --prefix krb4`
675 AC_MSG_RESULT([krb5-config points to kerberosIV under $krb4_prefix])
676 if test -f ${krb4_prefix}/include/kerberosIV/krb.h ; then
677 AC_DEFINE(KERBEROS_V4_V5,1,Define if you have Kerberos V4 headers under a kerberosIV directory)
680 CFLAGS="$CFLAGS `krb5-config --cflags krb4`"
681 LIBS="$LIBS `krb5-config --libs krb4`"
684 #we need to detect when we're building under a kerberosV compatibility
686 if test "$with_kerberos" != "yes" ; then
687 searchdirs="$with_kerberos"
689 searchdirs="$with_kerberos5 /usr/kerberos /usr/kerberosIV /usr/athena /usr"
692 ac_saveLDFLAGS="$LDFLAGS"
693 for dir in $searchdirs
695 AC_MSG_CHECKING([for Kerberos IV in $dir])
696 if test -f "$dir/include/krb.h" || test -f "$dir/include/krb4.h" \
697 || test -f "$dir/include/kerberosIV/krb.h"
699 AC_MSG_RESULT([found])
701 AC_MSG_RESULT([not found])
705 if test -f "$with_kerberos5/roken.h" ; then
706 AC_CHECK_LIB(45, krb_mk_req)
708 LDFLAGS="-L$dir/lib $ac_saveLDFLAGS"
709 if test `uname` = "FreeBSD"; then
710 AC_SEARCH_LIBS(_ossl_old_des_string_to_key, [des425 des crypto], [], continue)
712 AC_SEARCH_LIBS(des_string_to_key, [crypto], [], continue)
714 AC_SEARCH_LIBS(krb_realmofhost, [krb4 krb], [], continue)
716 if test -f "$dir/include/kerberosIV/krb.h" ; then
717 dir="$dir/include/kerberosIV"
722 test -f "$with_kerberos5/roken.h" && AC_DEFINE(HEIMDAL)
723 test "$dir" != "/usr/include" && CFLAGS="$CFLAGS -I$dir"
724 LDFLAGS="$LDFLAGS -L$with_kerberos/lib"
727 if test -z "$with_kerberos" ; then
728 AC_MSG_ERROR([Kerberos 4 libraries not found])
730 LDFLAGS="$ac_saveLDFLAGS"
733 ]) dnl --with-kerberos=DIR
734 if test "$KERBEROS_V4" = 1 ; then
735 AC_DEFINE(KERBEROS_V4,1,Define if you have Kerberos V4)
737 AM_CONDITIONAL(KERBEROS_V4_ENABLE, test "$KERBEROS_V4" = 1)
739 ### use option --with-ssl to compile in the SSL support
741 [ --with-ssl=[DIR] enable SSL support using libraries in DIR],
744 test "$with_ssl" != "no" && AC_DEFINE(SSL_ENABLE,1,Define if you want SSL support compiled in)
746 if test "$with_ssl" = "yes"
748 # User didn't specify an SSL location. Let's look at some common
749 # directories where SSL has been found in the past and try and auto
750 # configure for SSL. OpenSSL determination will be made later.
751 # This will screw up if an OpenSSL install is located in a later
752 # directory than an older SSLeay install, but the user should fix that
753 # anyways and he can override on the configure line.
754 # Just testing for directories is not sufficient, /usr exists on
766 if test -r "$ac_dir/include/openssl/ssl.h" ; then
773 if test -n "$with_ssl" -a "$with_ssl" != "no"
775 # With the autoconfigure above, the only time this is going to be
776 # true is going to be when we could not find the headers. If they
777 # are not in system standard locations, we are going to be broken.
778 if test "$with_ssl" = "yes"
780 # Let's just define the standard location for the SSLeay root
781 with_ssl="/usr/local/ssl"
783 if test -r $with_ssl/include/openssl/ssl.h
785 ### ssl.h found under openssl. Use openssl configuration preferentially,
786 AC_MSG_NOTICE(Enabling OpenSSL support in $with_ssl.)
787 test "$with_ssl" != "/usr" && CFLAGS="$CFLAGS -I$with_ssl/include"
788 ### In Red Hat 9, this file includes a reference to <krb5.h>, so we
789 ### force the Kerberos direcory onto the include path so it will build.
790 CFLAGS="$CFLAGS -I/usr/kerberos/include"
791 ### OpenBSD comes with ssl headers
793 AC_MSG_ERROR([SSL support enabled, but OpenSSL not found])
795 LDFLAGS="$LDFLAGS -L$with_ssl/lib"
796 LIBS="$LIBS -lssl -lcrypto"
797 dnl check if -ldl is needed
798 AC_MSG_CHECKING([for additional library dependencies of SSL])
801 for i in "" "-ldl" ; do
802 LIBS="$LDFLAGS $save_LIBS $i"
803 AC_LINK_IFELSE([AC_LANG_PROGRAM(,[SSL_library_init()])],[found=1; break])
805 if test $found = 0 ; then
806 AC_MSG_RESULT([error])
807 AC_MSG_ERROR([cannot link with SSL - check config.log])
810 if test "$i" = "" ; then i="(none)" ; fi
812 dnl XXX FIXME: use pkg-config if available!
813 AC_DEFINE(SSL_ENABLE)
815 AC_MSG_NOTICE(Disabling SSL support.)
818 ### use option --with-socks=DIR to point at SOCKS library
820 [ --with-socks[=DIR] add built-in SOCKS firewall access],
822 if test "$with_socks" != no
824 if test "$with_socks" != yes
826 LDFLAGS="$LDFLAGS -L$with_socks"
828 AC_CHECK_LIB(socks, Rconnect,,
829 AC_MSG_ERROR([could not find libsocks which is needed for built-in SOCKS support]))
831 AC_DEFINE(HAVE_SOCKS,1,Define if you want built-in SOCKS support)
832 CFLAGS="$CFLAGS -Dconnect=Rconnect -Dgetsockname=Rgetsockname -Dbind=Rbind -Daccept=Raccept -Dlisten=Rlisten -Dselect=Rselect"
836 ### use option --with-socks5=DIR to point at SOCKS library
838 [ --with-socks5[=DIR] add built-in SOCKS5 firewall access],
840 if test "$with_socks5" != no
842 if test "$with_socks5" != yes
844 LDFLAGS="$LDFLAGS -L$with_socks5"
846 ac_savedLDFLAGS="$LDFLAGS"
847 LDFLAGS="$LDFLAGS $LDFLAGS"
848 AC_CHECK_LIB(socks5, SOCKSconnect,,
849 AC_MSG_ERROR([could not find libsocks5 which is needed for built-in SOCKS5 support]))
850 AC_DEFINE(HAVE_SOCKS)
851 CFLAGS="$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"
852 AC_CHECK_FUNC(SOCKSfclose, [CFLAGS="$CFLAGS -Dfclose=SOCKSfclose"])
853 LDFLAGS="$ac_savedLDFLAGS"
856 ACX_WHICH_GETHOSTBYNAME_R
858 ### use option --with-hesiod=DIR to point at a HESIOD directory
859 AC_ma_SEARCH_PACKAGE(hesiod, hesiod_getmailhost, /usr/athena /usr /usr/local,hesiod, hesiod.h)
861 ### use option --with-gssapi=DIR to compile in GSSAPI support
863 [ --with-gssapi[=DIR] compile in GSSAPI support using libraries in DIR],
865 if test "$with_gssapi" != "no"
867 if test "$with_gssapi" = "yes" -a -n "$with_kerberos5"
869 with_gssapi=$with_kerberos5
872 if test "$with_gssapi" != "yes" -a -n "$with_gssapi"
874 CFLAGS="$CFLAGS -I$with_gssapi/include"
875 LDFLAGS="$LDFLAGS -L$with_gssapi/lib"
878 dnl obtain gssapi default libs
879 if krb5-config --libs gssapi 2>/dev/null >/dev/null ; then
880 LIBS="$LIBS `krb5-config --libs gssapi`"
882 AC_CHECK_LIB(gss, gss_check_version, LIBS="$LIBS -lgss", nogss=t)
886 if test "$with_gssapi" = yes ; then
889 if test -f "$with_gssapi/include/roken.h" -o -f "$with_gssapi/include/krb5/roken.h"
891 # have roken.h, assume Heimdal
893 NetBSD) LIBS="$LIBS -lkrb5" ;;
894 *) LIBS="$LIBS -lkrb5 -lasn1 -ldes -lroken -ldb -ldl" ;;
896 AC_CHECK_LIB(gssapi, gss_init_sec_context,LIBS="$LIBS -lgssapi",
897 AC_MSG_ERROR([could not find libgssapi which is needed for GSSAPI support]), )
900 # no roken.h, assume MIT
901 AC_CHECK_LIB(gssapi_krb5, gss_init_sec_context,LIBS="$LIBS -lgssapi_krb5",
902 AC_MSG_ERROR([could not find libgssapi_krb5 which is needed for GSSAPI support]), -lkrb5)
906 AC_DEFINE(GSSAPI,1,Define if you want GSSAPI authentication)
907 if test "$with_gssapi" != yes ; then
908 CPPFLAGS="$CPPFLAGS -I$with_gssapi/include"
910 AC_CHECK_HEADERS(gss.h gssapi.h gssapi/gssapi.h gssapi/gssapi_generic.h)
911 if test "$ac_cv_header_gssapi_h" = "yes"; then
912 AC_EGREP_HEADER(GSS_C_NT_HOSTBASED_SERVICE, gssapi.h, AC_DEFINE(HAVE_GSS_C_NT_HOSTBASED_SERVICE,1,Define if you have MIT kerberos))
914 AC_EGREP_HEADER(GSS_C_NT_HOSTBASED_SERVICE, gssapi/gssapi.h, AC_DEFINE(HAVE_GSS_C_NT_HOSTBASED_SERVICE))
918 dnl ,------------------------------------------------------------------
919 dnl Check if we need TRIO
921 if test "$FORCE_TRIO" = "yes" ; then
923 ac_cv_func_vsnprintf=no
924 ac_cv_func_snprintf=no
926 if test "x$ac_cv_func_snprintf" != "xyes" ; then
927 AC_DEFINE(snprintf, trio_snprintf,
928 [Define to trio_snprintf if your system lacks snprintf])
931 if test "x$ac_cv_func_vsnprintf" != "xyes" ; then
932 AC_DEFINE(vsnprintf, trio_vsnprintf,
933 [Define to trio_vsnprintf if your system lacks vsnprintf])
936 AM_CONDITIONAL(NEED_TRIO, test "$needtrio" = 1)
938 dnl TRIO IEEE compiler option for Alpha
940 if test "$needtrio" = 1 ; then
941 AC_MSG_CHECKING(for IEEE compilation options)
942 AC_CACHE_VAL(ac_cv_ieee_option, [
944 #if !(defined(__alpha) && (defined(__DECC) || defined(__DECCXX) || (defined(__osf__) && defined(__LANGUAGE_C__))) && (defined(VMS) || defined(__VMS)))
945 # error "Option needed"
947 ],ac_cv_ieee_option="/IEEE_MODE=UNDERFLOW_TO_ZERO/FLOAT=IEEE",
949 #if !(defined(__alpha) && (defined(__DECC) || defined(__DECCXX) || (defined(__osf__) && defined(__LANGUAGE_C__))) && !(defined(VMS) || defined(__VMS)) && !defined(_CFE))
950 # error "Option needed"
952 ],ac_cv_ieee_option="-ieee",
954 #if !(defined(__alpha) && (defined(__GNUC__) && (defined(__osf__) || defined(__linux__))))
955 # error "Option needed"
957 ],ac_cv_ieee_option="-mieee",
958 ac_cv_ieee_option="none"
963 AC_MSG_RESULT($ac_cv_ieee_option)
964 if test $ac_cv_ieee_option != none; then
965 CFLAGS="${CFLAGS} ${ac_cv_ieee_option}"
968 dnl ----------------------------------------------------------------'
970 AC_CONFIG_FILES([Makefile po/Makefile.in genlsm.sh])
974 dnl comment-start: "dnl "
976 dnl comment-start-skip: "\\bdnl\\b\\s *"
977 dnl compile-command: "make configure config.h.in"