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],[6.3.15-beta3],[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 md5.h])
76 if test _$ac_cv_header_stdarg_h != _yes ; then
77 AC_MSG_WARN([stdarg.h is not defined. Unsupported configuration, proceed at your own risk.])
79 AC_CHECK_TYPE(u_int32_t,,
80 AC_DEFINE(u_int32_t,unsigned int,
81 [Define to unsigned int if <sys/types.h> does not define.]),
83 #ifdef HAVE_ARPA_NAMESER_H
84 #include <arpa/nameser.h>
86 AC_CHECK_HEADERS([resolv.h],,,[
87 #include <sys/types.h>
88 #ifdef HAVE_NETINET_IN_H
89 #include <netinet/in.h>
91 #ifdef HAVE_ARPA_NAMESER_H
92 #include <arpa/nameser.h>
96 AC_CHECK_DECLS([h_errno],,,[
103 AC_C_CONST dnl getopt needs this.
109 # Check for OS special cases
112 AC_MSG_NOTICE(found Darwin - Adding -DBIND_8_COMPAT to CFLAGS)
113 CPPFLAGS="$CPPFLAGS -DBIND_8_COMPAT"
115 # Check for FreeBSD special case: more libs needed
117 AC_MSG_NOTICE(found FreeBSD - Adding -lkvm -lcom_err to standard libraries)
118 LIBS="$LIBS -lkvm -lcom_err"
120 # Check for LynxOS special case: -lbsd needed (at least on 2.3.0) and -s
123 AC_MSG_NOTICE(found LynxOS - Adding -lbsd to standard libraries)
125 LDFLAGS=`echo $LDFLAGS | sed "s/-s //"`
126 AC_MSG_NOTICE(found LynxOS - Prepending standard include path to gcc flags)
127 CPPFLAGS="$CPPFLAGS -I/usr/include"
129 # Check for Rhapsody special case: it doesn't like -s
131 AC_MSG_NOTICE(found Rhapsody - Removing -s load flag)
132 LDFLAGS=`echo $LDFLAGS | sed "s/-s //"`
139 AM_GNU_GETTEXT([external], [need-ngettext])
140 AM_GNU_GETTEXT_VERSION([0.14.6])
143 # Under sysV68, socket and friends are provided by the C library.
144 # -linet does not provide socket, but causes multiple definition
145 # errors at link-time. It is thus better to only use the C library.
146 # So don't add -linet to the link list unless it's necessary
147 AC_CHECK_FUNC(socket,
148 AC_MSG_RESULT(using libc's socket),
149 AC_CHECK_LIB(socket,socket)
150 AC_CHECK_LIB(inet,socket))
152 # The condition in this test copes with the presence of inet_addr in libc6.
153 AC_CHECK_FUNC(inet_addr,
154 AC_MSG_RESULT(using libc's inet_addr),
155 AC_CHECK_LIB(nsl,inet_addr))
157 dnl Port hack for Interactive UNIX System V/386 Release 3.2
158 AC_CHECK_LIB(cposix, strchr,
159 [DEFS="$DEFS -D_SYSV3"
160 LIBS="$LIBS -lcposix"])
162 dnl Port hack for Sparc/NetBSD-1.5
164 dnl NB: this has been disabled as it causes the unconditional
165 dnl addition of libintl to the build, which is both undesired
166 dnl and breaks on Solaris/Blastwave.org machines.
168 dnl AC_CHECK_LIB(intl, gettext,
169 dnl [LIBS="$LIBS -lintl"])
171 AC_REPLACE_FUNCS([strstr strcasecmp memmove stpcpy strlcpy strlcat])
173 AC_SEARCH_LIBS(MD5Init, [md5 md], [],
174 [AC_LIBSOURCE(md5c.c)
175 EXTRAOBJ="$EXTRAOBJ md5c.\$(OBJEXT)"])
177 AC_CHECK_FUNC(getopt_long, [],
178 [AC_LIBSOURCES([getopt.c, getopt1.c])
179 EXTRAOBJ="$EXTRAOBJ getopt.\$(OBJEXT) getopt1.\$(OBJEXT)"])
185 AC_CHECK_FUNCS(tcsetattr stty setsid geteuid seteuid dnl
186 strerror syslog snprintf vprintf vsnprintf vsyslog dnl
187 atexit inet_aton strftime setrlimit socketpair dnl
188 sigaction strdup setlocale)
190 AC_CHECK_DECLS([strerror,getenv])
191 dnl INET6 is used by KAME/getnameinfo
192 AC_CACHE_CHECK(for AF_INET6/PF_INET6,ac_cv_inet6,
195 #ifdef HAVE_SYS_TYPES_H
196 #include <sys/types.h>
198 #ifdef HAVE_SYS_SOCKET_H
199 #include <sys/socket.h>
205 ac_cv_inet6=yes , ac_cv_inet6=no
207 if test "x$ac_cv_inet6" = xyes
209 AC_DEFINE(INET6,1,Define to 1 if your system defines AF_INET6 and PF_INET6.)
212 # Under Red Hat 4.0 (and many other Linuxes) -lresolv is seriously flaky
213 # and breaks gethostbyname(2). It's better to use the bind stuff in the C
214 # library. So don't add -lresolv to the link list unless it's necessary
215 # (It will be necessary when using GNU libc6).
217 for lib in '' -lresolv; do
218 if test -z "$lib"; then
219 AC_MSG_CHECKING([for res_search in libc])
221 AC_MSG_CHECKING([for res_search in $lib])
223 LIBS="$old_LIBS $lib"
224 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
225 #include <sys/types.h>
226 #ifdef HAVE_NETINET_IN_H
227 #include <netinet/in.h>
229 #ifdef HAVE_ARPA_NAMESER_H
230 #include <arpa/nameser.h>
235 extern int res_search();
236 ]], [[res_search(0, 0, 0, 0, 0); dn_skipname(0,0);]])],
237 [AC_MSG_RESULT([found])
238 AC_DEFINE(HAVE_RES_SEARCH, [1],
239 [Define to 1 if you have the 'res_search' and 'dn_skipname' functions.])
240 break], [AC_MSG_RESULT([not found])])
244 dnl Check for libcrypt -- it may live in libc or libcrypt, as on IRIX
245 AC_CHECK_FUNC(crypt, , AC_CHECK_LIB(crypt,crypt))
247 dnl Check for RSA refersence library in case we're using SSL
248 AC_CHECK_LIB(rsaref, RSAPublicDecrypt)
250 dnl AC_FUNC_SETVBUF_REVERSED
252 dnl Check for usable void pointer type
253 AC_MSG_CHECKING(use of void pointer type)
254 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[char *p;
256 p = (char *) xmalloc(1);
257 ]])],[AC_DEFINE(HAVE_VOIDPOINTER,1,[Define if your C compiler allows void * as a function result]) AC_MSG_RESULT(yes)],[AC_MSG_RESULT(no)])
259 dnl Check for ANSI volatile
262 dnl Check out the wait reality. We have to assume sys/wait.h is present.
263 AC_CHECK_FUNCS(waitpid wait3)
264 AC_MSG_CHECKING(for union wait);
265 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
266 #include <sys/wait.h>]], [[union wait status; int pid; pid = wait (&status);
268 /* Some POSIXoid systems have both the new-style macros and the old
269 union wait type, and they do not work together. If union wait
270 conflicts with WEXITSTATUS et al, we don't want to use it at all. */
271 if (WEXITSTATUS (status) != 0) pid = -1;
274 /* Make sure union wait works with waitpid. */
275 pid = waitpid (-1, &status, 0);
277 ]])],[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)])
279 AC_MSG_CHECKING(sys_siglist declaration in signal.h or unistd.h)
280 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <signal.h>
281 /* NetBSD declares sys_siglist in <unistd.h>. */
284 #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)])
286 # Find the right directory to put the root-mode PID file in
287 for dir in "/var/run" "/etc"
294 AC_MSG_RESULT(root-mode pid file will go in $dir)
295 AC_DEFINE_UNQUOTED(PID_DIR, "$dir", directory for PID lock files)
297 # We may have a fallback MDA available in case the socket open to the
298 # local SMTP listener fails. Best to use procmail for this, as we know
299 # it won't try delivering through local SMTP and cause a mail loop.
300 # Sendmail without the -t option to use the message headers will work too,
301 # not just for sendmail itself but for workalikes like exim.
303 # Note1: A disadvantage of using procmail is that local alias expansion
304 # according to /etc/aliases won't get done if we fall back. This doesn't
305 # matter in single-drop mode.
307 # Note2: it would be a very bad idea to use any MDA that doesn't return
308 # a refuse-to-deliver status on disk- or process-table-full
309 # conditions; mail could get lost that way. Sendmail and all of the MDAs
310 # like exim that might be lurking under a sendmail alias) do the right
311 # thing in this circumstance. Matthias Andree warns that procmail does
314 # Note3: Defalt value of fallback is now off. Matthias writes:
316 # 1. there is no way to predict when the fallback is used. With some MTAs
317 # (such as those limiting load average), outer circumstances can cause
318 # the fallback to kick in.
320 # 2. the fallback changes fetchmail behaviour in unpredictable ways. It's
321 # not only about alias expansion, .forwards to special filters won't
322 # work, mail may end up in a different place (users claim "mail loss"
325 # 3. The claim procmail did the right thing with its exit codes is plain
326 # wrong. I've seen procmail exit with code 1 when it should have exited
327 # with code 75, like, configuration errors. Procmail is a dangerous
328 # beast and is best replaced by maildrop.
330 # 4. if multiple choices exist (like procmail and maildrop), fetchmail
331 # cannot tell which one it should choose. Say, your MTA is configured
332 # to use maildrop to deliver to user's mailboxes, if fetchmail then
333 # chooses procmail, this is plain wrong.
336 AC_PATH_PROG(procmail, procmail, "", $PATH:/usr/sbin)
337 AC_PATH_PROG(sendmail, sendmail, "", $PATH:/usr/sbin:/usr/lib)
338 AC_PATH_PROG(maildrop, maildrop, "", $PATH:/usr/local/bin)
340 ### use option --disable-fallback to disable fallback MDA
341 ### use option --enable-fallback=procmail or
342 ### --enable-fallback=sendmail to select
343 AC_ARG_ENABLE(fallback,
344 [ --enable-fallback=procmail enable procmail as fallback
345 --enable-fallback=sendmail enable /usr/sbin/sendmail as fallback
346 --enable-fallback=maildrop enable maildrop as fallback
347 --enable-fallback=no disable fallback],,[enable_fallback=no])
349 case "$enable_fallback" in
350 sendmail) if test -z "$sendmail" ; then
351 AC_MSG_ERROR([Sendmail selected as fallback, but not found])
354 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$sendmail -i %T", Fallback MTA to use if defined)
355 AC_MSG_NOTICE(Will use $sendmail as fallback MDA.)
357 procmail) if test -z "$procmail" ; then
358 AC_MSG_ERROR([procmail selected as fallback, but not found])
361 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$procmail -d %T")
362 AC_MSG_NOTICE(Will use $procmail as fallback MDA.)
364 maildrop) if test -z "$maildrop" ; then
365 AC_MSG_ERROR([maildrop selected as fallback, but not found])
368 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$maildrop -d %T")
369 AC_MSG_NOTICE(Will use $maildrop as fallback MDA.)
371 no|unset) AC_MSG_NOTICE(Will not use a fallback MDA.)
373 auto|yes|set) if test -n "$sendmail" ; then
374 AC_DEFINE_UNQUOTED(FALLBACK_MDA,"$sendmail -i %T")
375 AC_MSG_NOTICE(Will use $sendmail as fallback MDA.)
377 AC_MSG_WARN(No fallback MDA available. procmail and maildrop are not eligible)
378 AC_MSG_WARN(for automatic fallback MDA configuration for reliability reasons.)
381 *) AC_MSG_ERROR([unkown value for --enable-fallback given: $enable_fallback])
386 AC_CHECK_SIZEOF(short)
388 AC_CHECK_SIZEOF(long)
390 ### use option --enable-POP2 to compile in the POP2 support
392 [ --enable-POP2 compile in POP2 protocol support (obsolete)],
393 [with_POP2=$enableval],
395 test "$with_POP2" = "yes" && AC_DEFINE(POP2_ENABLE,1,Define if you want POP2 support compiled in)
396 AM_CONDITIONAL(POP2_ENABLE, test "$with_POP2" = yes)
398 ### use option --disable-POP3 to omit the POP3 support
400 [ --disable-POP3 don't compile in POP3 protocol support],
401 [with_POP3=$enableval],
403 test "$with_POP3" = "yes" && AC_DEFINE(POP3_ENABLE,1,Define if you want POP3 support compiled in)
404 AM_CONDITIONAL(POP3_ENABLE, test "$with_POP3" = yes)
406 ### use option --disable-IMAP to omit the IMAP support
408 [ --disable-IMAP don't compile in IMAP protocol support],
409 [with_IMAP=$enableval],
411 test "$with_IMAP" = "yes" && AC_DEFINE(IMAP_ENABLE,1,Define if you want IMAP support compiled in)
412 AM_CONDITIONAL(IMAP_ENABLE, test "$with_IMAP" = yes)
414 ### use option --disable-ETRN to omit the ETRN support
416 [ --disable-ETRN don't compile in ETRN protocol support],
417 [with_ETRN=$enableval],
419 test "$with_ETRN" = "yes" && AC_DEFINE(ETRN_ENABLE,1,Define if you want ETRN support compiled in.)
420 AM_CONDITIONAL(ETRN_ENABLE, test "$with_ETRN" = yes)
422 ### use option --disable-ODMR to omit the ODMR support
424 [ --disable-ODMR don't compile in ODMR protocol support],
425 [with_ODMR=$enableval],
427 test "$with_ODMR" = "yes" && AC_DEFINE(ODMR_ENABLE,1,Define if you want ODMR support compiled in)
428 AM_CONDITIONAL(ODMR_ENABLE, test "$with_ODMR" = yes)
430 ### use option --enable-RPA to compile in the RPA support
432 [ --enable-RPA compile in RPA protocol support],
433 [with_RPA=$enableval],
435 test "$with_RPA" = "yes" && AC_DEFINE(RPA_ENABLE,1,Define if you want RPA support compiled in)
436 AM_CONDITIONAL(RPA_ENABLE, test "$with_RPA" = yes)
438 ### use option --enable-NTLM to compile in the NTLM support
440 [ --enable-NTLM compile in NTLM authentication support],
441 [with_NTLM=$enableval],
443 test "$with_NTLM" = "yes" && AC_DEFINE(NTLM_ENABLE,1,Define if you want NTLM authentication)
445 ### use option --enable-SDPS to compile in the SDPS support
447 [ --enable-SDPS compile in SDPS protocol support],
448 [with_SDPS=$enableval],
450 if test "$with_SDPS" = yes ; then
451 if test "$with_POP3" != yes ; then
452 AC_MSG_WARN([SDPS cannot be enabled with POP3 disabled. Disabling SDPS.])
455 AC_DEFINE(SDPS_ENABLE,1,Define if you want SDPS support compiled in)
458 if test "$with_POP3" != yes && test "$with_POP2" != yes \
459 && test "$with_IMAP" != yes ; then
460 AC_MSG_ERROR([You must enable at least one of POP2, POP3 and IMAP.])
465 ### use option --enable-opie to compile in the OPIE support
467 [ --enable-opie support OTP through the OPIE library],
468 [ AC_CHECK_HEADER(opie.h,, [AC_MSG_ERROR(cannot find <opie.h>, which is required for OPIE support.)])
469 AC_CHECK_LIB(opie,opiegenerator,, [AC_MSG_ERROR(cannot find libopie, which is required for OPIE support.)])
470 with_opie=$enableval],
472 test "$with_opie" = "yes" && AC_DEFINE(OPIE_ENABLE,1,Define if you want OPIE support compiled in)
474 dnl Mostly stolen from gnulib's getaddrinfo.m4
475 AC_SEARCH_LIBS(getaddrinfo, [nsl socket])
476 AC_CACHE_CHECK([for getaddrinfo],[fm_cv_getaddrinfo],[
478 #include <sys/types.h>
479 #ifdef HAVE_SYS_SOCKET_H
480 #include <sys/socket.h>
485 ], [getaddrinfo(0, 0, 0, 0);],
486 [ fm_cv_getaddrinfo=yes],
487 [ fm_cv_getaddrinfo=no ])
490 if test x"$fm_cv_getaddrinfo" = "xyes"; then
491 AC_DEFINE(HAVE_GETADDRINFO, 1,
492 [Define to 1 if you have the getaddrinfo function.])
495 AC_CACHE_CHECK([for getnameinfo],[fm_cv_getnameinfo],[
497 #include <sys/types.h>
498 #ifdef HAVE_SYS_SOCKET_H
499 #include <sys/socket.h>
507 ], [getnameinfo(NULL,0, NULL,0, NULL, 0, 0);],
508 [ fm_cv_getnameinfo=yes],
509 [ fm_cv_getnameinfo=no ])
511 if test $fm_cv_getnameinfo = yes ; then
512 AC_DEFINE(HAVE_GETNAMEINFO,1,[Define to 1 if your system has getnameinfo()])
515 AM_CONDITIONAL(NEED_GETADDRINFO, test "$fm_cv_getaddrinfo" != yes)
516 AM_CONDITIONAL(NEED_GETNAMEINFO, test "$fm_cv_getnameinfo" != yes)
518 AC_CHECK_FUNCS(inet_ntop)
519 dnl Check if getaddrinfo is async-signal-safe - most implementations aren't
520 if test "$fm_cv_getaddrinfo" = yes ; then
521 AC_MSG_CHECKING(if your getaddrinfo is async-signal-safe)
523 dnl we have getaddrinfo() - check if the OS is known to have a async-signal-safe implementation
525 darwin9*) gai_ts=yes ;;
526 linux*) gai_ts=yes ;;
527 freebsd5.5|freebsd6*|freebsd7*) gai_ts=yes ;;
528 solaris2.8|solaris2.9|solaris2.10) gai_ts=yes ;;
530 AC_MSG_RESULT($gai_ts)
531 if test $gai_ts = yes ; then
532 AC_DEFINE(GETADDRINFO_ASYNCSAFE, 1, [define to 1 if you know your getaddrinfo function is async-signal-safe])
536 # This version of the Kerberos 4 and 5 options addresses the follwing issues:
538 # * Build correctly under Heimdal kerberos if it is compiled with db2 and
539 # OpenSSL support (Debian's is)
540 # * Build the kerberos.c stuff (KPOP) only for kerberosIV, to avoid breakage.
541 # I don't know if this is 100% correct, but now at least IMAP and POP3
542 # behave the same way regarding kerberosV.
543 # * Build without any fuss for both kerberosIV and V at the same time.
544 # * Move all the kerberos header mess to kerberos.h, and #include that
545 # in driver.c and kerberos.c.
547 # Tested using the Heimdal Kerberos V libs, Kungliga Tekniska Högskolan (the
548 # Royal Institute of Technology in Stockholm, Sweden)'s kerberos IV libs, and
549 # the MIT reference implementation of KerberosV (all as packaged in Debian).
551 ### use option --with-kerberos5=DIR to point at a Kerberos 5 directory
552 ### make sure --with-ssl is run before --with-kerberos* !
553 AC_ARG_WITH(kerberos5,
554 [ --with-kerberos5=DIR point fetchmail compilation at a Kerberos 5 directory],
556 if test "$with_kerberos5" != "no"
558 # Check for a OpenBSD special case
559 if test "$with_kerberos5" = "yes" && ( test `uname` = "OpenBSD" )
561 AS_MESSAGE(checking kerberosV for OpenBSD...)
562 AC_DEFINE(HEIMDAL,1,Define if you have HEIMDAL kerberos 5)
563 AC_DEFINE(KERBEROS_V5,1,Define if you have Kerberos V5)
564 CFLAGS="$CFLAGS -I/usr/include/kerberosV"
565 LIBS="$LIBS -lasn1 -lkrb5 -lcom_err -lkafs"
566 elif krb5-config 2> /dev/null >/dev/null ; then
567 krb5_prefix=`krb5-config --prefix krb5`
568 AC_MSG_RESULT([krb5-config points to kerberosV under $krb5_prefix])
569 if test -f ${krb5_prefix}/include/et/com_err.h && \
570 ! test -f ${krb5_prefix}/include/com_err.h ; then
571 CFLAGS="$CFLAGS -I${krb5_prefix}/include/et"
574 CFLAGS="$CFLAGS `krb5-config --cflags krb5`"
575 LIBS="$LIBS `krb5-config --libs krb5`"
576 AC_DEFINE(KERBEROS_V5)
578 if test "$with_kerberos5" != "yes"
580 LDFLAGS="$LDFLAGS -L${with_kerberos5}/lib"
581 searchdirs="$with_kerberos5"
583 searchdirs="/usr/kerberos /usr/local/krb5 /usr/athena /usr"
586 for dir in $searchdirs
587 do AC_MSG_CHECKING([for Kerberos V in $dir])
588 if test -f "$dir/include/krb5.h" || test -f "$dir/include/krb5/krb5.h"
590 if test -d "$dir/include/krb5" ; then CPPFLAGS="$CPPFLAGS -I$dir/include/krb5" ; fi
592 if test -f "$dir/include/roken.h" || test -f "$dir/include/krb5/roken.h"
594 ac_krblibs="-lasn1 -lroken -lcom_err"
595 AC_MSG_RESULT([Heimdal found])
596 dnl Attempt to detect if we need to -ldb2 to link Heimdal
597 dnl we assume we do if it is available
598 AC_CHECK_LIB(db2, db_open, ac_krblibs="$ac_krblibs -ldb2", [],
600 AC_CHECK_LIB(des, des_string_to_key, libk5crypto=-ldes,
601 AC_CHECK_LIB(crypto, MD5_Init, [],
602 AC_MSG_ERROR([DES libraries not found. Try adding --with-ssl to enable OpenSSL support]),
603 ${LDFLAGS} ${ac_krblibs}),
604 ${LDFLAGS} ${ac_krblibs})
607 AC_MSG_RESULT([found])
608 ac_krblibs="-lcom_err"
610 krb5_des_string_to_key,
611 libk5crypto=-lcrypto,
612 AC_CHECK_LIB(k5crypto,
613 krb5_des_string_to_key,
614 libk5crypto=-lk5crypto,
615 AC_MSG_ERROR([Kerberos 5 DES libraries not found]),
616 ${LDFLAGS} ${ac_krblibs}),
617 ${LDFLAGS} ${ac_krblibs})
619 AC_CHECK_LIB(krb5, krb5_init_context,[],
621 ${LDFLAGS} ${ac_krblibs})
622 AC_DEFINE(KERBEROS_V5)
623 test "$dir" != "/usr" && CFLAGS="$CFLAGS -I$dir/include"
624 LDFLAGS="$LDFLAGS -L$dir/lib"
625 LIBS="$LIBS $ac_krblibs $libk5crypto"
629 AC_MSG_RESULT([not found])
632 if test -z "$with_kerberos5" ; then
633 AC_MSG_ERROR([Kerberos 5 libraries not found])
637 ]) dnl --with-kerberos5=DIR
639 ### use option --with-kerberos=DIR to point at a Kerberos 4 directory
641 AC_ARG_WITH(kerberos,
642 [ --with-kerberos=DIR point fetchmail compilation at a Kerberos 4 directory],
644 if test "$with_kerberos" != "no"
646 AC_MSG_WARN([Kerberos IV support is obsolete. Use --with-kerberos5 if possible.])
647 # Check for a NetBSD/OpenBSD special case
648 if test "$with_kerberos" = "yes" && ( test `uname` = "NetBSD" || test `uname` = "OpenBSD" )
650 AS_MESSAGE(checking kerberosIV for `uname`...)
652 CFLAGS="$CFLAGS -I/usr/include/kerberosIV"
654 NetBSD) LIBS="$LIBS -lkrb -ldes -lroken -lcom_err" ;;
655 OpenBSD) LIBS="$LIBS -lkrb -ldes" ;;
657 elif krb4-config 2> /dev/null >/dev/null ; then
658 krb4_prefix=`krb4-config --prefix`
659 AC_MSG_RESULT([krb4-config points to kerberosIV under $krb4_prefix])
661 CFLAGS="$CFLAGS `krb4-config --cflags`"
662 LIBS="$LIBS `krb4-config --libs`"
664 elif krb5-config 2> /dev/null >/dev/null ; then
665 krb4_prefix=`krb5-config --prefix krb4`
666 AC_MSG_RESULT([krb5-config points to kerberosIV under $krb4_prefix])
667 if test -f ${krb4_prefix}/include/kerberosIV/krb.h ; then
668 AC_DEFINE(KERBEROS_V4_V5,1,Define if you have Kerberos V4 headers under a kerberosIV directory)
671 CFLAGS="$CFLAGS `krb5-config --cflags krb4`"
672 LIBS="$LIBS `krb5-config --libs krb4`"
675 #we need to detect when we're building under a kerberosV compatibility
677 if test "$with_kerberos" != "yes" ; then
678 searchdirs="$with_kerberos"
680 searchdirs="$with_kerberos5 /usr/kerberos /usr/kerberosIV /usr/athena /usr"
683 ac_saveLDFLAGS="$LDFLAGS"
684 for dir in $searchdirs
686 AC_MSG_CHECKING([for Kerberos IV in $dir])
687 if test -f "$dir/include/krb.h" || test -f "$dir/include/krb4.h" \
688 || test -f "$dir/include/kerberosIV/krb.h"
690 AC_MSG_RESULT([found])
692 AC_MSG_RESULT([not found])
696 if test -f "$with_kerberos5/roken.h" ; then
697 AC_CHECK_LIB(45, krb_mk_req)
699 LDFLAGS="-L$dir/lib $ac_saveLDFLAGS"
700 if test `uname` = "FreeBSD"; then
701 AC_SEARCH_LIBS(_ossl_old_des_string_to_key, [des425 des crypto], [], continue)
703 AC_SEARCH_LIBS(des_string_to_key, [crypto], [], continue)
705 AC_SEARCH_LIBS(krb_realmofhost, [krb4 krb], [], continue)
707 if test -f "$dir/include/kerberosIV/krb.h" ; then
708 dir="$dir/include/kerberosIV"
713 test -f "$with_kerberos5/roken.h" && AC_DEFINE(HEIMDAL)
714 test "$dir" != "/usr/include" && CFLAGS="$CFLAGS -I$dir"
715 LDFLAGS="$LDFLAGS -L$with_kerberos/lib"
718 if test -z "$with_kerberos" ; then
719 AC_MSG_ERROR([Kerberos 4 libraries not found])
721 LDFLAGS="$ac_saveLDFLAGS"
724 ]) dnl --with-kerberos=DIR
725 if test "$KERBEROS_V4" = 1 ; then
726 AC_DEFINE(KERBEROS_V4,1,Define if you have Kerberos V4)
728 AM_CONDITIONAL(KERBEROS_V4_ENABLE, test "$KERBEROS_V4" = 1)
730 ### use option --with-ssl to compile in the SSL support
732 [ --with-ssl=[DIR] enable SSL support using libraries in DIR],
735 test "$with_ssl" != "no" && AC_DEFINE(SSL_ENABLE,1,Define if you want SSL support compiled in)
737 if test "$with_ssl" = "yes"
739 # User didn't specify an SSL location. Let's look at some common
740 # directories where SSL has been found in the past and try and auto
741 # configure for SSL. OpenSSL determination will be made later.
742 # This will screw up if an OpenSSL install is located in a later
743 # directory than an older SSLeay install, but the user should fix that
744 # anyways and he can override on the configure line.
745 # Just testing for directories is not sufficient, /usr exists on
757 if test -r "$ac_dir/include/openssl/ssl.h" ; then
764 if test -n "$with_ssl" -a "$with_ssl" != "no"
766 # With the autoconfigure above, the only time this is going to be
767 # true is going to be when we could not find the headers. If they
768 # are not in system standard locations, we are going to be broken.
769 if test "$with_ssl" = "yes"
771 # Let's just define the standard location for the SSLeay root
772 with_ssl="/usr/local/ssl"
774 if test -r $with_ssl/include/openssl/ssl.h
776 ### ssl.h found under openssl. Use openssl configuration preferentially,
777 AC_MSG_NOTICE(Enabling OpenSSL support in $with_ssl.)
778 test "$with_ssl" != "/usr" && CFLAGS="$CFLAGS -I$with_ssl/include"
779 ### In Red Hat 9, this file includes a reference to <krb5.h>, so we
780 ### force the Kerberos direcory onto the include path so it will build.
781 CFLAGS="$CFLAGS -I/usr/kerberos/include"
782 ### OpenBSD comes with ssl headers
784 AC_MSG_ERROR([SSL support enabled, but OpenSSL not found])
786 LDFLAGS="$LDFLAGS -L$with_ssl/lib"
787 LIBS="$LIBS -lssl -lcrypto"
788 dnl check if -ldl is needed
789 AC_MSG_CHECKING([for additional library dependencies of SSL])
792 for i in "" "-ldl" ; do
793 LIBS="$LDFLAGS $save_LIBS $i"
794 AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <openssl/ssl.h>],[SSL_library_init()])],[found=1; break])
796 if test $found = 0 ; then
797 AC_MSG_RESULT([error])
798 AC_MSG_ERROR([cannot link with SSL - check config.log])
801 if test "$i" = "" ; then i="(none)" ; fi
803 dnl XXX FIXME: use pkg-config if available!
804 AC_DEFINE(SSL_ENABLE)
806 AC_MSG_NOTICE(Disabling SSL support.)
809 ### use option --with-socks=DIR to point at SOCKS library
811 [ --with-socks[=DIR] add built-in SOCKS firewall access],
813 if test "$with_socks" != no
815 if test "$with_socks" != yes
817 LDFLAGS="$LDFLAGS -L$with_socks"
819 AC_CHECK_LIB(socks, Rconnect,,
820 AC_MSG_ERROR([could not find libsocks which is needed for built-in SOCKS support]))
822 AC_DEFINE(HAVE_SOCKS,1,Define if you want built-in SOCKS support)
823 CFLAGS="$CFLAGS -Dconnect=Rconnect -Dgetsockname=Rgetsockname -Dbind=Rbind -Daccept=Raccept -Dlisten=Rlisten -Dselect=Rselect"
827 ### use option --with-socks5=DIR to point at SOCKS library
829 [ --with-socks5[=DIR] add built-in SOCKS5 firewall access],
831 if test "$with_socks5" != no
833 if test "$with_socks5" != yes
835 LDFLAGS="$LDFLAGS -L$with_socks5"
837 ac_savedLDFLAGS="$LDFLAGS"
838 LDFLAGS="$LDFLAGS $LDFLAGS"
839 AC_CHECK_LIB(socks5, SOCKSconnect,,
840 AC_MSG_ERROR([could not find libsocks5 which is needed for built-in SOCKS5 support]))
841 AC_DEFINE(HAVE_SOCKS)
842 CFLAGS="$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"
843 AC_CHECK_FUNC(SOCKSfclose, [CFLAGS="$CFLAGS -Dfclose=SOCKSfclose"])
844 LDFLAGS="$ac_savedLDFLAGS"
847 dnl for libesmtp/ modules:
848 ACX_WHICH_GETHOSTBYNAME_R
850 ### use option --with-hesiod=DIR to point at a HESIOD directory
851 AC_ma_SEARCH_PACKAGE(hesiod, hesiod_getmailhost, /usr/athena /usr /usr/local,hesiod, hesiod.h)
853 ### use option --with-gssapi=DIR to compile in GSSAPI support
855 [ --with-gssapi[=DIR] compile in GSSAPI support using libraries in DIR],
857 if test "$with_gssapi" != "no"
859 if test "$with_gssapi" = "yes" -a -n "$with_kerberos5"
861 with_gssapi=$with_kerberos5
864 if test "$with_gssapi" != "yes" -a -n "$with_gssapi"
866 CFLAGS="$CFLAGS -I$with_gssapi/include"
867 LDFLAGS="$LDFLAGS -L$with_gssapi/lib"
870 dnl obtain gssapi default libs
871 if krb5-config --libs gssapi 2>/dev/null >/dev/null ; then
872 LIBS="$LIBS `krb5-config --libs gssapi`"
874 AC_CHECK_LIB(gss, gss_check_version, LIBS="$LIBS -lgss", nogss=t)
878 if test "$with_gssapi" = yes ; then
881 if test -f "$with_gssapi/include/roken.h" -o -f "$with_gssapi/include/krb5/roken.h"
883 # have roken.h, assume Heimdal
885 NetBSD) LIBS="$LIBS -lkrb5" ;;
886 *) LIBS="$LIBS -lkrb5 -lasn1 -ldes -lroken -ldb -ldl" ;;
888 AC_CHECK_LIB(gssapi, gss_init_sec_context,LIBS="$LIBS -lgssapi",
889 AC_MSG_ERROR([could not find libgssapi which is needed for GSSAPI support]), )
892 # no roken.h, assume MIT
893 AC_CHECK_LIB(gssapi_krb5, gss_init_sec_context,LIBS="$LIBS -lgssapi_krb5",
894 AC_MSG_ERROR([could not find libgssapi_krb5 which is needed for GSSAPI support]), -lkrb5)
898 AC_DEFINE(GSSAPI,1,Define if you want GSSAPI authentication)
899 if test "$with_gssapi" != yes ; then
900 CPPFLAGS="$CPPFLAGS -I$with_gssapi/include"
902 AC_CHECK_HEADERS(gss.h gssapi.h gssapi/gssapi.h gssapi/gssapi_generic.h)
903 if test "$ac_cv_header_gssapi_h" = "yes"; then
904 AC_EGREP_HEADER(GSS_C_NT_HOSTBASED_SERVICE, gssapi.h, AC_DEFINE(HAVE_GSS_C_NT_HOSTBASED_SERVICE,1,Define if you have MIT kerberos))
906 AC_EGREP_HEADER(GSS_C_NT_HOSTBASED_SERVICE, gssapi/gssapi.h, AC_DEFINE(HAVE_GSS_C_NT_HOSTBASED_SERVICE))
910 dnl ,------------------------------------------------------------------
911 dnl Check if we need TRIO
913 if test "$FORCE_TRIO" = "yes" ; then
915 ac_cv_func_vsnprintf=no
916 ac_cv_func_snprintf=no
918 if test "x$ac_cv_func_snprintf" != "xyes" ; then
919 AC_DEFINE(snprintf, trio_snprintf,
920 [Define to trio_snprintf if your system lacks snprintf])
923 if test "x$ac_cv_func_vsnprintf" != "xyes" ; then
924 AC_DEFINE(vsnprintf, trio_vsnprintf,
925 [Define to trio_vsnprintf if your system lacks vsnprintf])
928 AM_CONDITIONAL(NEED_TRIO, test "$needtrio" = 1)
930 dnl TRIO IEEE compiler option for Alpha
932 if test "$needtrio" = 1 ; then
933 AC_MSG_CHECKING(for IEEE compilation options)
934 AC_CACHE_VAL(ac_cv_ieee_option, [
936 #if !(defined(__alpha) && (defined(__DECC) || defined(__DECCXX) || (defined(__osf__) && defined(__LANGUAGE_C__))) && (defined(VMS) || defined(__VMS)))
937 # error "Option needed"
939 ],ac_cv_ieee_option="/IEEE_MODE=UNDERFLOW_TO_ZERO/FLOAT=IEEE",
941 #if !(defined(__alpha) && (defined(__DECC) || defined(__DECCXX) || (defined(__osf__) && defined(__LANGUAGE_C__))) && !(defined(VMS) || defined(__VMS)) && !defined(_CFE))
942 # error "Option needed"
944 ],ac_cv_ieee_option="-ieee",
946 #if !(defined(__alpha) && (defined(__GNUC__) && (defined(__osf__) || defined(__linux__))))
947 # error "Option needed"
949 ],ac_cv_ieee_option="-mieee",
950 ac_cv_ieee_option="none"
955 AC_MSG_RESULT($ac_cv_ieee_option)
956 if test $ac_cv_ieee_option != none; then
957 CFLAGS="${CFLAGS} ${ac_cv_ieee_option}"
960 dnl ----------------------------------------------------------------'
962 AC_CONFIG_FILES([Makefile po/Makefile.in genlsm.sh])
966 dnl comment-start: "dnl "
968 dnl comment-start-skip: "\\bdnl\\b\\s *"
969 dnl compile-command: "make configure config.h.in"