1 dnl Autoconfigure input file for fetchmail
3 # Fetchmail automatic configuration support
5 # Eric S. Raymond <esr@thyrsus.com>
6 # 2004 - 2012 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],[6.3.22.2],[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
22 AM_INIT_AUTOMAKE([silent-rules -Wall])
25 dnl python is optional
27 # you can pass PYTHON=: in environment or on the command line
28 # to disable python detection and continue without building/installing
29 # fetchmail.conf -- be sure to check README.packaging, too!
31 AM_PATH_PYTHON(2.0,,AC_MSG_WARN([Disabling fetchmailconf: python 2.0 or greater not found]))
32 AM_CONDITIONAL([HAVE_PYTHON], [test "$PYTHON" != :])
38 AC_PROG_CPP dnl Later checks need this.
41 AC_USE_SYSTEM_EXTENSIONS
44 dnl AC_ISC_POSIX: - XXX FIXME: remove in fetchmail 6.4.
45 dnl This macro adds `-lcposix' to output variable `LIBS' if necessary
46 dnl for Posix facilities. Sun dropped support for the obsolete
47 dnl INTERACTIVE Systems Corporation Unix on 2006-07-23. New programs
48 dnl need not use this macro. It is implemented as
49 dnl `AC_SEARCH_LIBS([strerror], [cposix])'
51 dnl check for b0rked Solaris (and other shells) and find one that works
52 AC_MSG_CHECKING(for a working shell...)
53 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
54 $i -c 'if ! false ; then echo $(echo ok) ; fi' >config.$$ 2>/dev/null
57 if test "x$j" = "xok" ; then
64 if test "x$SHELL" = "x" ; then
65 AC_MSG_ERROR(no SUS compliant shell found - on Solaris, install SUNWxcu4)
74 AC_CHECK_HEADERS([unistd.h termios.h termio.h sgtty.h stdarg.h \
75 sys/itimer.h fcntl.h sys/fcntl.h memory.h sys/wait.h \
76 arpa/inet.h arpa/nameser.h netinet/in.h net/socket.h netdb.h \
77 sys/select.h sys/socket.h sys/time.h langinfo.h])
78 if test _$ac_cv_header_stdarg_h != _yes ; then
79 AC_MSG_WARN([stdarg.h is not defined. Unsupported configuration, proceed at your own risk.])
81 AC_CHECK_TYPE(u_int32_t,,
82 AC_DEFINE(u_int32_t,unsigned int,
83 [Define to unsigned int if <sys/types.h> does not define.]),
85 #ifdef HAVE_ARPA_NAMESER_H
86 #include <arpa/nameser.h>
88 AC_CHECK_HEADERS([resolv.h],,,[
89 #include <sys/types.h>
90 #ifdef HAVE_NETINET_IN_H
91 #include <netinet/in.h>
93 #ifdef HAVE_ARPA_NAMESER_H
94 #include <arpa/nameser.h>
98 AC_CHECK_DECLS([h_errno],,,[
105 AC_C_CONST dnl getopt needs this.
111 # Check for OS special cases
114 AC_MSG_NOTICE(found Darwin - Adding -DBIND_8_COMPAT to CFLAGS)
115 CPPFLAGS="$CPPFLAGS -DBIND_8_COMPAT"
117 # Check for FreeBSD special case: more libs needed
119 AC_MSG_NOTICE(found FreeBSD - Adding -lkvm -lcom_err to standard libraries)
120 LIBS="$LIBS -lkvm -lcom_err"
122 # Check for LynxOS special case: -lbsd needed (at least on 2.3.0) and -s
125 AC_MSG_NOTICE(found LynxOS - Adding -lbsd to standard libraries)
127 LDFLAGS=`echo $LDFLAGS | sed "s/-s //"`
128 AC_MSG_NOTICE(found LynxOS - Prepending standard include path to gcc flags)
129 CPPFLAGS="$CPPFLAGS -I/usr/include"
131 # Check for Rhapsody special case: it doesn't like -s
133 AC_MSG_NOTICE(found Rhapsody - Removing -s load flag)
134 LDFLAGS=`echo $LDFLAGS | sed "s/-s //"`
141 AM_GNU_GETTEXT([external], [need-ngettext])
142 AM_GNU_GETTEXT_VERSION([0.17])
145 # Under sysV68, socket and friends are provided by the C library.
146 # -linet does not provide socket, but causes multiple definition
147 # errors at link-time. It is thus better to only use the C library.
148 # So don't add -linet to the link list unless it's necessary
149 AC_CHECK_FUNC(socket,
150 AC_MSG_RESULT(using libc's socket),
151 AC_CHECK_LIB(socket,socket)
152 AC_CHECK_LIB(inet,socket))
154 # The condition in this test copes with the presence of inet_addr in libc6.
155 AC_CHECK_FUNC(inet_addr,
156 AC_MSG_RESULT(using libc's inet_addr),
157 AC_CHECK_LIB(nsl,inet_addr))
159 dnl Port hack for Interactive UNIX System V/386 Release 3.2
160 AC_CHECK_LIB(cposix, strchr,
161 [DEFS="$DEFS -D_SYSV3"
162 LIBS="$LIBS -lcposix"])
164 dnl Port hack for Sparc/NetBSD-1.5
166 dnl NB: this has been disabled as it causes the unconditional
167 dnl addition of libintl to the build, which is both undesired
168 dnl and breaks on Solaris/Blastwave.org machines.
170 dnl AC_CHECK_LIB(intl, gettext,
171 dnl [LIBS="$LIBS -lintl"])
173 AC_REPLACE_FUNCS([strstr strcasecmp memmove stpcpy strlcpy strlcat])
175 AC_CHECK_FUNC(getopt_long, [],
176 [AC_LIBSOURCES([getopt.c, getopt1.c])
177 EXTRAOBJ="$EXTRAOBJ getopt.\$(OBJEXT) getopt1.\$(OBJEXT)"])
183 AC_CHECK_FUNCS(tcsetattr stty setsid geteuid seteuid dnl
184 strerror syslog snprintf vprintf vsnprintf vsyslog dnl
185 atexit inet_aton strftime setrlimit socketpair dnl
186 sigaction strdup setlocale)
188 AC_CHECK_DECLS([strerror,getenv])
189 dnl INET6 is used by KAME/getnameinfo
190 AC_CACHE_CHECK(for AF_INET6/PF_INET6,ac_cv_inet6,
193 #ifdef HAVE_SYS_TYPES_H
194 #include <sys/types.h>
196 #ifdef HAVE_SYS_SOCKET_H
197 #include <sys/socket.h>
203 ac_cv_inet6=yes , ac_cv_inet6=no
205 if test "x$ac_cv_inet6" = xyes
207 AC_DEFINE(INET6,1,Define to 1 if your system defines AF_INET6 and PF_INET6.)
210 # Under Red Hat 4.0 (and many other Linuxes) -lresolv is seriously flaky
211 # and breaks gethostbyname(2). It's better to use the bind stuff in the C
212 # library. So don't add -lresolv to the link list unless it's necessary
213 # (It will be necessary when using GNU libc6).
215 for lib in '' -lresolv; do
216 if test -z "$lib"; then
217 AC_MSG_CHECKING([for res_search in libc])
219 AC_MSG_CHECKING([for res_search in $lib])
221 LIBS="$old_LIBS $lib"
222 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
223 #include <sys/types.h>
224 #ifdef HAVE_NETINET_IN_H
225 #include <netinet/in.h>
227 #ifdef HAVE_ARPA_NAMESER_H
228 #include <arpa/nameser.h>
233 extern int res_search();
234 ]], [[res_search(0, 0, 0, 0, 0); dn_skipname(0,0);]])],
235 [AC_MSG_RESULT([found])
236 AC_DEFINE(HAVE_RES_SEARCH, [1],
237 [Define to 1 if you have the 'res_search' and 'dn_skipname' functions.])
238 break], [AC_MSG_RESULT([not found])])
242 dnl Check for libcrypt -- it may live in libc or libcrypt, as on IRIX
243 AC_CHECK_FUNC(crypt, , AC_CHECK_LIB(crypt,crypt))
245 dnl Check for usable void pointer type
246 AC_MSG_CHECKING(use of void pointer type)
247 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[char *p;
249 p = (char *) xmalloc(1);
250 ]])],[AC_DEFINE(HAVE_VOIDPOINTER,1,[Define if your C compiler allows void * as a function result]) AC_MSG_RESULT(yes)],[AC_MSG_RESULT(no)])
252 dnl Check for ANSI volatile
255 dnl Check out the wait reality. We have to assume sys/wait.h is present.
256 AC_CHECK_FUNCS(waitpid wait3)
257 AC_MSG_CHECKING(for union wait);
258 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
259 #include <sys/wait.h>]], [[union wait status; int pid; pid = wait (&status);
261 /* Some POSIXoid systems have both the new-style macros and the old
262 union wait type, and they do not work together. If union wait
263 conflicts with WEXITSTATUS et al, we 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)
290 # We may have a fallback MDA available in case the socket open to the
291 # local SMTP listener fails. Best to use procmail for this, as we know
292 # it won't try delivering through local SMTP and cause a mail loop.
293 # Sendmail without the -t option to use the message headers will work too,
294 # not just for sendmail itself but for workalikes like exim.
296 # Note1: A disadvantage of using procmail is that local alias expansion
297 # according to /etc/aliases won't get done if we fall back. This doesn't
298 # matter in single-drop mode.
300 # Note2: it would be a very bad idea to use any MDA that doesn't return
301 # a refuse-to-deliver status on disk- or process-table-full
302 # conditions; mail could get lost that way. Sendmail and all of the MDAs
303 # like exim that might be lurking under a sendmail alias) do the right
304 # thing in this circumstance. Matthias Andree warns that procmail does
307 # Note3: Defalt value of fallback is now off. Matthias writes:
309 # 1. there is no way to predict when the fallback is used. With some MTAs
310 # (such as those limiting load average), outer circumstances can cause
311 # the fallback to kick in.
313 # 2. the fallback changes fetchmail behaviour in unpredictable ways. It's
314 # not only about alias expansion, .forwards to special filters won't
315 # work, mail may end up in a different place (users claim "mail loss"
318 # 3. The claim procmail did the right thing with its exit codes is plain
319 # wrong. I've seen procmail exit with code 1 when it should have exited
320 # with code 75, like, configuration errors. Procmail is a dangerous
321 # beast and is best replaced by maildrop.
323 # 4. if multiple choices exist (like procmail and maildrop), fetchmail
324 # cannot tell which one it should choose. Say, your MTA is configured
325 # to use maildrop to deliver to user's mailboxes, if fetchmail then
326 # chooses procmail, this is plain wrong.
329 AC_PATH_PROG(procmail, procmail, "", $PATH:/usr/sbin)
330 AC_PATH_PROG(sendmail, sendmail, "", $PATH:/usr/sbin:/usr/lib)
331 AC_PATH_PROG(maildrop, maildrop, "", $PATH:/usr/local/bin)
333 ### use option --disable-fallback to disable fallback MDA
334 ### use option --enable-fallback=procmail or
335 ### --enable-fallback=sendmail to select
336 AC_ARG_ENABLE(fallback,
337 [ --enable-fallback=procmail enable procmail as fallback
338 --enable-fallback=sendmail enable /usr/sbin/sendmail as fallback
339 --enable-fallback=maildrop enable maildrop as fallback
340 --enable-fallback=no disable fallback],,[enable_fallback=no])
342 case "$enable_fallback" in
343 sendmail) if test -z "$sendmail" ; then
344 AC_MSG_ERROR([Sendmail selected as fallback, but not found])
347 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$sendmail -i %T", Fallback MTA to use if defined)
348 AC_MSG_NOTICE(Will use $sendmail as fallback MDA.)
350 procmail) if test -z "$procmail" ; then
351 AC_MSG_ERROR([procmail selected as fallback, but not found])
354 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$procmail -d %T")
355 AC_MSG_NOTICE(Will use $procmail as fallback MDA.)
357 maildrop) if test -z "$maildrop" ; then
358 AC_MSG_ERROR([maildrop selected as fallback, but not found])
361 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$maildrop -d %T")
362 AC_MSG_NOTICE(Will use $maildrop as fallback MDA.)
364 no|unset) AC_MSG_NOTICE(Will not use a fallback MDA.)
366 auto|yes|set) if test -n "$sendmail" ; then
367 AC_DEFINE_UNQUOTED(FALLBACK_MDA,"$sendmail -i %T")
368 AC_MSG_NOTICE(Will use $sendmail as fallback MDA.)
370 AC_MSG_WARN(No fallback MDA available. procmail and maildrop are not eligible)
371 AC_MSG_WARN(for automatic fallback MDA configuration for reliability reasons.)
374 *) AC_MSG_ERROR([unkown value for --enable-fallback given: $enable_fallback])
379 AC_CHECK_SIZEOF(short)
381 AC_CHECK_SIZEOF(long)
383 ### use option --enable-POP2 to compile in the POP2 support
385 [ --enable-POP2 compile in POP2 protocol support (obsolete)],
386 [with_POP2=$enableval],
388 test "$with_POP2" = "yes" && AC_DEFINE(POP2_ENABLE,1,Define if you want POP2 support compiled in)
389 AM_CONDITIONAL(POP2_ENABLE, test "$with_POP2" = yes)
391 ### use option --disable-POP3 to omit the POP3 support
393 [ --disable-POP3 don't compile in POP3 protocol support],
394 [with_POP3=$enableval],
396 test "$with_POP3" = "yes" && AC_DEFINE(POP3_ENABLE,1,Define if you want POP3 support compiled in)
397 AM_CONDITIONAL(POP3_ENABLE, test "$with_POP3" = yes)
399 ### use option --disable-IMAP to omit the IMAP support
401 [ --disable-IMAP don't compile in IMAP protocol support],
402 [with_IMAP=$enableval],
404 test "$with_IMAP" = "yes" && AC_DEFINE(IMAP_ENABLE,1,Define if you want IMAP support compiled in)
405 AM_CONDITIONAL(IMAP_ENABLE, test "$with_IMAP" = yes)
407 ### use option --disable-ETRN to omit the ETRN support
409 [ --disable-ETRN don't compile in ETRN protocol support],
410 [with_ETRN=$enableval],
412 test "$with_ETRN" = "yes" && AC_DEFINE(ETRN_ENABLE,1,Define if you want ETRN support compiled in.)
413 AM_CONDITIONAL(ETRN_ENABLE, test "$with_ETRN" = yes)
415 ### use option --disable-ODMR to omit the ODMR support
417 [ --disable-ODMR don't compile in ODMR protocol support],
418 [with_ODMR=$enableval],
420 test "$with_ODMR" = "yes" && AC_DEFINE(ODMR_ENABLE,1,Define if you want ODMR support compiled in)
421 AM_CONDITIONAL(ODMR_ENABLE, test "$with_ODMR" = yes)
423 ### use option --enable-RPA to compile in the RPA support
425 [ --enable-RPA compile in RPA protocol support],
426 [with_RPA=$enableval],
428 test "$with_RPA" = "yes" && AC_DEFINE(RPA_ENABLE,1,Define if you want RPA support compiled in)
429 AM_CONDITIONAL(RPA_ENABLE, test "$with_RPA" = yes)
431 ### use option --enable-NTLM to compile in the NTLM support
433 [ --enable-NTLM compile in NTLM authentication support],
434 [with_NTLM=$enableval],
436 test "$with_NTLM" = "yes" && AC_DEFINE(NTLM_ENABLE,1,Define if you want NTLM authentication)
437 AM_CONDITIONAL(NTLM_ENABLE, test "$with_NTLM" = yes)
439 ### use option --enable-SDPS to compile in the SDPS support
441 [ --enable-SDPS compile in SDPS protocol support],
442 [with_SDPS=$enableval],
444 if test "$with_SDPS" = yes ; then
445 if test "$with_POP3" != yes ; then
446 AC_MSG_WARN([SDPS cannot be enabled with POP3 disabled. Disabling SDPS.])
449 AC_DEFINE(SDPS_ENABLE,1,Define if you want SDPS support compiled in)
452 if test "$with_POP3" != yes && test "$with_POP2" != yes \
453 && test "$with_IMAP" != yes ; then
454 AC_MSG_ERROR([You must enable at least one of POP2, POP3 and IMAP.])
459 ### use option --enable-opie to compile in the OPIE support
461 [ --enable-opie support OTP through the OPIE library],
462 [ AC_CHECK_HEADER(opie.h,, [AC_MSG_ERROR([cannot find <opie.h>, which is required for OPIE support.])])
463 AC_CHECK_LIB(opie,opiegenerator,, [AC_MSG_ERROR([cannot find libopie, which is required for OPIE support.])])
464 with_opie=$enableval],
466 test "$with_opie" = "yes" && AC_DEFINE(OPIE_ENABLE,1,Define if you want OPIE support compiled in)
468 dnl Mostly stolen from gnulib's getaddrinfo.m4
469 AC_SEARCH_LIBS(getaddrinfo, [nsl socket])
470 AC_CACHE_CHECK([for getaddrinfo],[fm_cv_getaddrinfo],[
472 #include <sys/types.h>
473 #ifdef HAVE_SYS_SOCKET_H
474 #include <sys/socket.h>
479 ], [getaddrinfo(0, 0, 0, 0);],
480 [ fm_cv_getaddrinfo=yes],
481 [ fm_cv_getaddrinfo=no ])
484 if test x"$fm_cv_getaddrinfo" = "xyes"; then
485 AC_DEFINE(HAVE_GETADDRINFO, 1,
486 [Define to 1 if you have the getaddrinfo function.])
489 AC_CACHE_CHECK([for getnameinfo],[fm_cv_getnameinfo],[
491 #include <sys/types.h>
492 #ifdef HAVE_SYS_SOCKET_H
493 #include <sys/socket.h>
501 ], [getnameinfo(NULL,0, NULL,0, NULL, 0, 0);],
502 [ fm_cv_getnameinfo=yes],
503 [ fm_cv_getnameinfo=no ])
505 if test $fm_cv_getnameinfo = yes ; then
506 AC_DEFINE(HAVE_GETNAMEINFO,1,[Define to 1 if your system has getnameinfo()])
509 AM_CONDITIONAL(NEED_GETADDRINFO, test "$fm_cv_getaddrinfo" != yes)
510 AM_CONDITIONAL(NEED_GETNAMEINFO, test "$fm_cv_getnameinfo" != yes)
512 AC_CHECK_FUNCS(inet_ntop)
513 dnl Check if getaddrinfo is async-signal-safe - most implementations aren't
514 if test "$fm_cv_getaddrinfo" = yes ; then
515 AC_MSG_CHECKING(if your getaddrinfo is async-signal-safe)
517 dnl we have getaddrinfo() - check if the OS is known to have a async-signal-safe implementation
519 darwin9*) gai_ts=yes ;;
520 linux*) gai_ts=yes ;;
521 freebsd5.5|freebsd6*|freebsd7*) gai_ts=yes ;;
522 solaris2.8|solaris2.9|solaris2.10) gai_ts=yes ;;
524 AC_MSG_RESULT($gai_ts)
525 if test $gai_ts = yes ; then
526 AC_DEFINE(GETADDRINFO_ASYNCSAFE, 1, [define to 1 if you know your getaddrinfo function is async-signal-safe])
530 # This version of the Kerberos 4 and 5 options addresses the follwing issues:
532 # * Build correctly under Heimdal kerberos if it is compiled with db2 and
533 # OpenSSL support (Debian's is)
534 # * Build the kerberos.c stuff (KPOP) only for kerberosIV, to avoid breakage.
535 # I don't know if this is 100% correct, but now at least IMAP and POP3
536 # behave the same way regarding kerberosV.
537 # * Build without any fuss for both kerberosIV and V at the same time.
538 # * Move all the kerberos header mess to kerberos.h, and #include that
539 # in driver.c and kerberos.c.
541 # Tested using the Heimdal Kerberos V libs, Kungliga Tekniska Högskolan (the
542 # Royal Institute of Technology in Stockholm, Sweden)'s kerberos IV libs, and
543 # the MIT reference implementation of KerberosV (all as packaged in Debian).
545 ### use option --with-kerberos5=DIR to point at a Kerberos 5 directory
546 ### make sure --with-ssl is run before --with-kerberos* !
547 AC_ARG_WITH(kerberos5,
548 [ --with-kerberos5=DIR point fetchmail compilation at a Kerberos 5 directory],
550 if test "$with_kerberos5" != "no"
552 # Check for a OpenBSD special case
553 if test "$with_kerberos5" = "yes" && ( test `uname` = "OpenBSD" )
555 AS_MESSAGE(checking kerberosV for OpenBSD...)
556 AC_DEFINE(HEIMDAL,1,Define if you have HEIMDAL kerberos 5)
557 AC_DEFINE(KERBEROS_V5,1,Define if you have Kerberos V5)
558 CFLAGS="$CFLAGS -I/usr/include/kerberosV"
559 LIBS="$LIBS -lasn1 -lkrb5 -lcom_err -lkafs"
560 elif krb5-config 2> /dev/null >/dev/null ; then
561 krb5_prefix=`krb5-config --prefix krb5`
562 AC_MSG_RESULT([krb5-config points to kerberosV under $krb5_prefix])
563 if test -f ${krb5_prefix}/include/et/com_err.h && \
564 ! test -f ${krb5_prefix}/include/com_err.h ; then
565 CFLAGS="$CFLAGS -I${krb5_prefix}/include/et"
568 CFLAGS="$CFLAGS `krb5-config --cflags krb5`"
569 LIBS="$LIBS `krb5-config --libs krb5`"
570 AC_DEFINE(KERBEROS_V5)
572 if test "$with_kerberos5" != "yes"
574 LDFLAGS="$LDFLAGS -L${with_kerberos5}/lib"
575 searchdirs="$with_kerberos5"
577 searchdirs="/usr/kerberos /usr/local/krb5 /usr/athena /usr"
580 for dir in $searchdirs
581 do AC_MSG_CHECKING([for Kerberos V in $dir])
582 if test -f "$dir/include/krb5.h" || test -f "$dir/include/krb5/krb5.h"
584 if test -d "$dir/include/krb5" ; then CPPFLAGS="$CPPFLAGS -I$dir/include/krb5" ; fi
586 if test -f "$dir/include/roken.h" || test -f "$dir/include/krb5/roken.h"
588 ac_krblibs="-lasn1 -lroken -lcom_err"
589 AC_MSG_RESULT([Heimdal found])
590 dnl Attempt to detect if we need to -ldb2 to link Heimdal
591 dnl we assume we do if it is available
592 AC_CHECK_LIB(db2, db_open, ac_krblibs="$ac_krblibs -ldb2", [],
594 AC_CHECK_LIB(des, des_string_to_key, libk5crypto=-ldes,
595 AC_CHECK_LIB(crypto, MD5_Init, [],
596 AC_MSG_ERROR([DES libraries not found. Try adding --with-ssl to enable OpenSSL support]),
597 ${LDFLAGS} ${ac_krblibs}),
598 ${LDFLAGS} ${ac_krblibs})
601 AC_MSG_RESULT([found])
602 ac_krblibs="-lcom_err"
604 krb5_des_string_to_key,
605 libk5crypto=-lcrypto,
606 AC_CHECK_LIB(k5crypto,
607 krb5_des_string_to_key,
608 libk5crypto=-lk5crypto,
609 AC_MSG_ERROR([Kerberos 5 DES libraries not found]),
610 ${LDFLAGS} ${ac_krblibs}),
611 ${LDFLAGS} ${ac_krblibs})
613 AC_CHECK_LIB(krb5, krb5_init_context,[],
615 ${LDFLAGS} ${ac_krblibs})
616 AC_DEFINE(KERBEROS_V5)
617 test "$dir" != "/usr" && CFLAGS="$CFLAGS -I$dir/include"
618 LDFLAGS="$LDFLAGS -L$dir/lib"
619 LIBS="$LIBS $ac_krblibs $libk5crypto"
623 AC_MSG_RESULT([not found])
626 if test -z "$with_kerberos5" ; then
627 AC_MSG_ERROR([Kerberos 5 libraries not found])
631 ]) dnl --with-kerberos5=DIR
633 ### use option --with-kerberos=DIR to point at a Kerberos 4 directory
635 AC_ARG_WITH(kerberos,
636 [ --with-kerberos=DIR point fetchmail compilation at a Kerberos 4 directory],
638 if test "$with_kerberos" != "no"
640 AC_MSG_WARN([Kerberos IV support is obsolete. Use --with-kerberos5 if possible.])
641 # Check for a NetBSD/OpenBSD special case
642 if test "$with_kerberos" = "yes" && ( test `uname` = "NetBSD" || test `uname` = "OpenBSD" )
644 AS_MESSAGE(checking kerberosIV for `uname`...)
646 CFLAGS="$CFLAGS -I/usr/include/kerberosIV"
648 NetBSD) LIBS="$LIBS -lkrb -ldes -lroken -lcom_err" ;;
649 OpenBSD) LIBS="$LIBS -lkrb -ldes" ;;
651 elif krb4-config 2> /dev/null >/dev/null ; then
652 krb4_prefix=`krb4-config --prefix`
653 AC_MSG_RESULT([krb4-config points to kerberosIV under $krb4_prefix])
655 CFLAGS="$CFLAGS `krb4-config --cflags`"
656 LIBS="$LIBS `krb4-config --libs`"
658 elif krb5-config 2> /dev/null >/dev/null ; then
659 krb4_prefix=`krb5-config --prefix krb4`
660 AC_MSG_RESULT([krb5-config points to kerberosIV under $krb4_prefix])
661 if test -f ${krb4_prefix}/include/kerberosIV/krb.h ; then
662 AC_DEFINE(KERBEROS_V4_V5,1,Define if you have Kerberos V4 headers under a kerberosIV directory)
665 CFLAGS="$CFLAGS `krb5-config --cflags krb4`"
666 LIBS="$LIBS `krb5-config --libs krb4`"
669 #we need to detect when we're building under a kerberosV compatibility
671 if test "$with_kerberos" != "yes" ; then
672 searchdirs="$with_kerberos"
674 searchdirs="$with_kerberos5 /usr/kerberos /usr/kerberosIV /usr/athena /usr"
677 ac_saveLDFLAGS="$LDFLAGS"
678 for dir in $searchdirs
680 AC_MSG_CHECKING([for Kerberos IV in $dir])
681 if test -f "$dir/include/krb.h" || test -f "$dir/include/krb4.h" \
682 || test -f "$dir/include/kerberosIV/krb.h"
684 AC_MSG_RESULT([found])
686 AC_MSG_RESULT([not found])
690 if test -f "$with_kerberos5/roken.h" ; then
691 AC_CHECK_LIB(45, krb_mk_req)
693 LDFLAGS="-L$dir/lib $ac_saveLDFLAGS"
694 if test `uname` = "FreeBSD"; then
695 AC_SEARCH_LIBS(_ossl_old_des_string_to_key, [des425 des crypto], [], continue)
697 AC_SEARCH_LIBS(des_string_to_key, [crypto], [], continue)
699 AC_SEARCH_LIBS(krb_realmofhost, [krb4 krb], [], continue)
701 if test -f "$dir/include/kerberosIV/krb.h" ; then
702 dir="$dir/include/kerberosIV"
707 test -f "$with_kerberos5/roken.h" && AC_DEFINE(HEIMDAL)
708 test "$dir" != "/usr/include" && CFLAGS="$CFLAGS -I$dir"
709 LDFLAGS="$LDFLAGS -L$with_kerberos/lib"
712 if test -z "$with_kerberos" ; then
713 AC_MSG_ERROR([Kerberos 4 libraries not found])
715 LDFLAGS="$ac_saveLDFLAGS"
718 ]) dnl --with-kerberos=DIR
719 if test "$KERBEROS_V4" = 1 ; then
720 AC_DEFINE(KERBEROS_V4,1,Define if you have Kerberos V4)
722 AM_CONDITIONAL(KERBEROS_V4_ENABLE, test "$KERBEROS_V4" = 1)
724 ### use option --with-ssl to compile in the SSL support
726 [ --with-ssl=[DIR] enable SSL support using libraries in DIR],
729 test "$with_ssl" != "no" && AC_DEFINE(SSL_ENABLE,1,Define if you want SSL support compiled in)
731 if test "$with_ssl" = "yes"
733 # User didn't specify an SSL location. Let's look at some common
734 # directories where SSL has been found in the past and try and auto
735 # configure for SSL. OpenSSL determination will be made later.
736 # This will screw up if an OpenSSL install is located in a later
737 # directory than an older SSLeay install, but the user should fix that
738 # anyways and he can override on the configure line.
739 # Just testing for directories is not sufficient, /usr exists on
751 if test -r "$ac_dir/include/openssl/ssl.h" ; then
758 if test -n "$with_ssl" -a "$with_ssl" != "no"
760 # With the autoconfigure above, the only time this is going to be
761 # true is going to be when we could not find the headers. If they
762 # are not in system standard locations, we are going to be broken.
763 if test "$with_ssl" = "yes"
765 # Let's just define the standard location for the SSLeay root
766 with_ssl="/usr/local/ssl"
768 if test -r $with_ssl/include/openssl/ssl.h
770 ### ssl.h found under openssl. Use openssl configuration preferentially,
771 AC_MSG_NOTICE(Enabling OpenSSL support in $with_ssl.)
772 test "$with_ssl" != "/usr" && CFLAGS="$CFLAGS -I$with_ssl/include"
773 ### In Red Hat 9, this file includes a reference to <krb5.h>, so we
774 ### force the Kerberos direcory onto the include path so it will build.
775 CFLAGS="$CFLAGS -I/usr/kerberos/include"
776 ### OpenBSD comes with ssl headers
778 AC_MSG_ERROR([SSL support enabled, but OpenSSL not found])
780 LDFLAGS="$LDFLAGS -L$with_ssl/lib"
781 LIBS="$LIBS -lssl -lcrypto"
782 dnl check if -ldl is needed
783 AC_MSG_CHECKING([for additional library dependencies of SSL])
786 for i in "" "-ldl" ; do
787 LIBS="$LDFLAGS $save_LIBS $i"
788 AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <openssl/ssl.h>],[SSL_library_init()])],[found=1; break])
790 if test $found = 0 ; then
791 AC_MSG_RESULT([error])
792 AC_MSG_ERROR([cannot link with SSL - check config.log])
795 if test "$i" = "" ; then i="(none)" ; fi
797 dnl XXX FIXME: use pkg-config if available!
798 AC_DEFINE(SSL_ENABLE)
800 AC_MSG_WARN(Disabling SSL support.)
801 AC_MSG_WARN(Consider re-running configure --with-ssl.)
804 case "$LIBS" in *-lssl*)
805 AC_CHECK_DECLS([SSLv2_client_method],,,[#include <openssl/ssl.h>])
809 ### use option --with-socks=DIR to point at SOCKS library
811 [ --with-socks[=DIR] add built-in SOCKS firewall access],
813 if test "$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 AC_CHECK_DECLS(GSS_C_NT_HOSTBASED_SERVICE,,,[
908 #if HAVE_GSSAPI_GSSAPI_H
909 #include <gssapi/gssapi.h>
913 #if HAVE_GSSAPI_GSSAPI_GENERIC_H
914 #include <gssapi/gssapi_generic.h>
919 dnl ,------------------------------------------------------------------
920 dnl Check if we need TRIO
922 if test "$FORCE_TRIO" = "yes" ; then
924 ac_cv_func_vsnprintf=no
925 ac_cv_func_snprintf=no
927 if test "x$ac_cv_func_snprintf" != "xyes" ; then
928 AC_DEFINE(snprintf, trio_snprintf,
929 [Define to trio_snprintf if your system lacks snprintf])
932 if test "x$ac_cv_func_vsnprintf" != "xyes" ; then
933 AC_DEFINE(vsnprintf, trio_vsnprintf,
934 [Define to trio_vsnprintf if your system lacks vsnprintf])
937 AM_CONDITIONAL(NEED_TRIO, test "$needtrio" = 1)
939 dnl TRIO IEEE compiler option for Alpha
941 if test "$needtrio" = 1 ; then
942 AC_MSG_CHECKING(for IEEE compilation options)
943 AC_CACHE_VAL(ac_cv_ieee_option, [
945 #if !(defined(__alpha) && (defined(__DECC) || defined(__DECCXX) || (defined(__osf__) && defined(__LANGUAGE_C__))) && (defined(VMS) || defined(__VMS)))
946 # error "Option needed"
948 ],ac_cv_ieee_option="/IEEE_MODE=UNDERFLOW_TO_ZERO/FLOAT=IEEE",
950 #if !(defined(__alpha) && (defined(__DECC) || defined(__DECCXX) || (defined(__osf__) && defined(__LANGUAGE_C__))) && !(defined(VMS) || defined(__VMS)) && !defined(_CFE))
951 # error "Option needed"
953 ],ac_cv_ieee_option="-ieee",
955 #if !(defined(__alpha) && (defined(__GNUC__) && (defined(__osf__) || defined(__linux__))))
956 # error "Option needed"
958 ],ac_cv_ieee_option="-mieee",
959 ac_cv_ieee_option="none"
964 AC_MSG_RESULT($ac_cv_ieee_option)
965 if test $ac_cv_ieee_option != none; then
966 CFLAGS="${CFLAGS} ${ac_cv_ieee_option}"
969 dnl ----------------------------------------------------------------'
971 AC_CONFIG_FILES([Makefile po/Makefile.in genlsm.sh])
975 dnl comment-start: "dnl "
977 dnl comment-start-skip: "\\bdnl\\b\\s *"
978 dnl compile-command: "make configure config.h.in"