1 dnl Autoconfigure input file for fetchmail
2 dnl Eric S. Raymond <esr@thyrsus.com>
3 dnl Matthias Andree <matthias.andree@gmx.de>
5 dnl Process this file with autoconf to produce a configure script.
8 AC_INIT([fetchmail],[6.3.3.rc1],[fetchmail-users@lists.berlios.de])
9 AC_CONFIG_SRCDIR([fetchmail.h])
10 AC_CONFIG_HEADERS([config.h])
11 AC_CONFIG_LIBOBJ_DIR([.])
15 dnl automake options are in Makefile.am
19 dnl autobuild support, see <http://josefsson.org/autobuild/>
26 dnl python is optional
27 AM_PATH_PYTHON(2.0,,AC_MSG_WARN([Disabling fetchmailconf: python 2.0 or greater not found]))
28 AM_CONDITIONAL([HAVE_PYTHON], [test "$PYTHON" != :])
33 AC_PROG_CPP dnl Later checks need this.
44 AC_CHECK_TYPE(u_int32_t,unsigned int)
45 AC_CHECK_HEADERS([unistd.h termios.h termio.h sgtty.h stdarg.h \
46 sys/itimer.h fcntl.h sys/fcntl.h memory.h sys/wait.h \
47 arpa/inet.h arpa/nameser.h netinet/in.h net/socket.h \
48 sys/select.h sys/socket.h sys/time.h langinfo.h])
49 AC_CHECK_HEADERS([resolv.h],,,[
50 #include <sys/types.h>
51 #ifdef HAVE_NETINET_IN_H
52 #include <netinet/in.h>
54 #ifdef HAVE_ARPA_NAMESER_H
55 #include <arpa/nameser.h>
59 AC_C_CONST dnl getopt needs this.
65 # Check for OS special cases
68 AC_MSG_NOTICE(found Darwin - Adding -DBIND_8_COMPAT to CFLAGS)
69 CPFLAGS="-DBIND_8_COMPAT"
71 # Check for FreeBSD special case: more libs needed
73 AC_MSG_NOTICE(found FreeBSD - Adding -lmd -lkvm -lcom_err to standard libraries)
74 LIBS="$LIBS -lmd -lkvm -lcom_err"
76 # Check for LynxOS special case: -lbsd needed (at least on 2.3.0) and -s
79 AC_MSG_NOTICE(found LynxOS - Adding -lbsd to standard libraries)
81 LDFLAGS=`echo $LDFLAGS | sed "s/-s //"`
82 AC_MSG_NOTICE(found LynxOS - Prepending standard include path to gcc flags)
83 CPFLAGS="-I/usr/include"
85 # Check for Rhapsody special case: it doesn't like -s
87 AC_MSG_NOTICE(found Rhapsody - Removing -s load flag)
88 LDFLAGS=`echo $LDFLAGS | sed "s/-s //"`
93 AM_GNU_GETTEXT([external], [need-ngettext])
94 AM_GNU_GETTEXT_VERSION(0.14.3)
97 # Under sysV68, socket and friends are provided by the C library.
98 # -linet does not provide socket, but causes multiple definition
99 # errors at link-time. It is thus better to only use the C library.
100 # So don't add -linet to the link list unless it's necessary
101 AC_CHECK_FUNC(socket,
102 AC_MSG_RESULT(using libc's socket),
103 AC_CHECK_LIB(socket,socket)
104 AC_CHECK_LIB(inet,socket))
106 # The condition in this test copes with the presence of inet_addr in libc6.
107 AC_CHECK_FUNC(inet_addr,
108 AC_MSG_RESULT(using libc's inet_addr),
109 AC_CHECK_LIB(nsl,inet_addr))
111 dnl Port hack for Interactive UNIX System V/386 Release 3.2
112 AC_CHECK_LIB(cposix, strchr,
113 [DEFS="$DEFS -D_SYSV3"
114 LIBS="$LIBS -lcposix"])
116 dnl Port hack for Sparc/NetBSD-1.5
118 dnl NB: this has been disabled as it causes the unconditional
119 dnl addition of libintl to the build, which is both undesired
120 dnl and breaks on Solaris/Blastwave.org machines.
122 dnl AC_CHECK_LIB(intl, gettext,
123 dnl [LIBS="$LIBS -lintl"])
125 AC_REPLACE_FUNCS([strstr strcasecmp memmove stpcpy strlcpy strlcat])
127 AC_CHECK_FUNC(MD5Init, [],
128 [AC_LIBSOURCE(md5c.c)
129 EXTRAOBJ="$EXTRAOBJ md5c.\$(OBJEXT)"])
131 AC_CHECK_FUNC(getopt_long, [],
132 [AC_LIBSOURCES([getopt.c, getopt1.c])
133 EXTRAOBJ="$EXTRAOBJ getopt.\$(OBJEXT) getopt1.\$(OBJEXT)"])
139 AC_CHECK_FUNCS(tcsetattr stty setsid geteuid seteuid dnl
140 res_search strerror syslog snprintf vprintf vsnprintf vsyslog dnl
141 atexit inet_aton strftime setrlimit socketpair sigprocmask dnl
142 sigaction strdup setlocale)
144 # Under Red Hat 4.0 (and many other Linuxes) -lresolv is seriously flaky
145 # and breaks gethostbyname(2). It's better to use the bind stuff in the C
146 # library. So don't add -lresolv to the link list unless it's necessary
147 # (It will be necessary when using GNU libc6).
148 AC_CHECK_FUNC(res_search,
149 AC_MSG_RESULT(using libc's resolver functions),
150 AC_CHECK_LIB(resolv,res_search,
151 [AC_DEFINE(HAVE_RES_SEARCH) AC_MSG_RESULT(found resolver functions in libresolv); LIBS="$LIBS -lresolv"], AC_MSG_RESULT(no resolver calls found)))
153 dnl Check for libcrypt -- it may live in libc or libcrypt, as on IRIX
154 AC_CHECK_FUNC(crypt, , AC_CHECK_LIB(crypt,crypt))
156 dnl Check for RSA refersence library in case we're using SSL
157 AC_CHECK_LIB(rsaref, RSAPublicDecrypt)
159 dnl AC_FUNC_SETVBUF_REVERSED
161 dnl Check for usable void pointer type
162 AC_MSG_CHECKING(use of void pointer type)
163 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[char *p;
165 p = (char *) xmalloc(1);
166 ]])],[AC_DEFINE(HAVE_VOIDPOINTER,1,[Define if your C compiler allows void * as a function result]) AC_MSG_RESULT(yes)],[AC_MSG_RESULT(no)])
168 dnl Check for ANSI volatile
171 dnl Check out the wait reality. We have to assume sys/wait.h is present.
172 AC_CHECK_FUNCS(waitpid wait3)
173 AC_MSG_CHECKING(for union wait);
174 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
175 #include <sys/wait.h>]], [[union wait status; int pid; pid = wait (&status);
177 /* Some POSIXoid systems have both the new-style macros and the old
178 union wait type, and they do not work together. If union wait
179 conflicts with WEXITSTATUS et al, we don't want to use it at all. */
180 if (WEXITSTATUS (status) != 0) pid = -1;
183 /* Make sure union wait works with waitpid. */
184 pid = waitpid (-1, &status, 0);
186 ]])],[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)])
188 AC_MSG_CHECKING(sys_siglist declaration in signal.h or unistd.h)
189 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <signal.h>
190 /* NetBSD declares sys_siglist in <unistd.h>. */
193 #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)])
195 # Find the right directory to put the root-mode PID file in
196 for dir in "/var/run" "/etc"
203 AC_MSG_RESULT(root-mode pid file will go in $dir)
204 AC_DEFINE_UNQUOTED(PID_DIR, "$dir", directory for PID lock files)
206 # We may have a fallback MDA available in case the socket open to the
207 # local SMTP listener fails. Best to use procmail for this, as we know
208 # it won't try delivering through local SMTP and cause a mail loop.
209 # Sendmail without the -t option to use the message headers will work too,
210 # not just for sendmail itself but for workalikes like exim.
212 # Note1: A disadvantage of using procmail is that local alias expansion
213 # according to /etc/aliases won't get done if we fall back. This doesn't
214 # matter in single-drop mode.
216 # Note2: it would be a very bad idea to use any MDA that doesn't return
217 # a refuse-to-deliver status on disk- or process-table-full
218 # conditions; mail could get lost that way. Sendmail and all of the MDAs
219 # like exim that might be lurking under a sendmail alias) do the right
220 # thing in this circumstance. Matthias Andree warns that procmail does
223 # Note3: Defalt value of fallback is now off. Matthias writes:
225 # 1. there is no way to predict when the fallback is used. With some MTAs
226 # (such as those limiting load average), outer circumstances can cause
227 # the fallback to kick in.
229 # 2. the fallback changes fetchmail behaviour in unpredictable ways. It's
230 # not only about alias expansion, .forwards to special filters won't
231 # work, mail may end up in a different place (users claim "mail loss"
234 # 3. The claim procmail did the right thing with its exit codes is plain
235 # wrong. I've seen procmail exit with code 1 when it should have exited
236 # with code 75, like, configuration errors. Procmail is a dangerous
237 # beast and is best replaced by maildrop.
239 # 4. if multiple choices exist (like procmail and maildrop), fetchmail
240 # cannot tell which one it should choose. Say, your MTA is configured
241 # to use maildrop to deliver to user's mailboxes, if fetchmail then
242 # chooses procmail, this is plain wrong.
245 AC_PATH_PROG(procmail, procmail, "", $PATH:/usr/sbin)
246 AC_PATH_PROG(sendmail, sendmail, "", $PATH:/usr/sbin:/usr/lib)
247 AC_PATH_PROG(maildrop, maildrop, "", $PATH:/usr/local/bin)
249 ### use option --disable-fallback to disable fallback MDA
250 ### use option --enable-fallback=procmail or
251 ### --enable-fallback=sendmail to select
252 AC_ARG_ENABLE(fallback,
253 [ --enable-fallback=procmail enable procmail as fallback
254 --enable-fallback=sendmail enable /usr/sbin/sendmail as fallback
255 --enable-fallback=maildrop enable maildrop as fallback
256 --enable-fallback=no disable fallback],,[enable_fallback=no])
258 case "$enable_fallback" in
259 sendmail) if test -z "$sendmail" ; then
260 AC_MSG_ERROR([Sendmail selected as fallback, but not found])
263 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$sendmail -i %T", Fallback MTA to use if defined)
264 AC_MSG_NOTICE(Will use $sendmail as fallback MDA.)
266 procmail) if test -z "$procmail" ; then
267 AC_MSG_ERROR([procmail selected as fallback, but not found])
270 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$procmail -d %T")
271 AC_MSG_NOTICE(Will use $procmail as fallback MDA.)
273 maildrop) if test -z "$maildrop" ; then
274 AC_MSG_ERROR([maildrop selected as fallback, but not found])
277 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$maildrop -d %T")
278 AC_MSG_NOTICE(Will use $maildrop as fallback MDA.)
280 no|unset) AC_MSG_NOTICE(Will not use a fallback MDA.)
282 auto|yes|set) if test -n "$sendmail" ; then
283 AC_DEFINE_UNQUOTED(FALLBACK_MDA,"$sendmail -i %T")
284 AC_MSG_NOTICE(Will use $sendmail as fallback MDA.)
286 AC_MSG_WARN(No fallback MDA available. procmail and maildrop are not eligible)
287 AC_MSG_WARN(for automatic fallback MDA configuration for reliability reasons.)
290 *) AC_MSG_ERROR([unkown value for --enable-fallback given: $enable_fallback])
295 AC_CHECK_SIZEOF(short)
297 AC_CHECK_SIZEOF(long)
299 ### use option --enable-POP2 to compile in the POP2 support
301 [ --enable-POP2 compile in POP2 protocol support (obsolete)],
302 [with_POP2=$enableval],
304 test "$with_POP2" = "yes" && AC_DEFINE(POP2_ENABLE,1,Define if you want POP2 support compiled in)
306 ### use option --disable-POP3 to omit the POP3 support
308 [ --disable-POP3 don't compile in POP3 protocol support],
309 [with_POP3=$enableval],
311 test "$with_POP3" = "yes" && AC_DEFINE(POP3_ENABLE,1,Define if you want POP3 support compiled in)
313 ### use option --disable-IMAP to omit the IMAP support
315 [ --disable-IMAP don't compile in IMAP protocol support],
316 [with_IMAP=$enableval],
318 test "$with_IMAP" = "yes" && AC_DEFINE(IMAP_ENABLE,1,"Define if you want IMAP support compiled in")
320 ### use option --disable-ETRN to omit the ETRN support
322 [ --disable-ETRN don't compile in ETRN protocol support],
323 [with_ETRN=$enableval],
325 test "$with_ETRN" = "yes" && AC_DEFINE(ETRN_ENABLE,1,Define if you want ETRN support compiled in.)
327 ### use option --disable-ODMR to omit the ODMR support
329 [ --disable-ODMR don't compile in ODMR protocol support],
330 [with_ODMR=$enableval],
332 test "$with_ODMR" = "yes" && AC_DEFINE(ODMR_ENABLE,1,Define if you want ODMR support compiled in)
334 ### use option --enable-RPA to compile in the RPA support
336 [ --enable-RPA compile in RPA protocol support],
337 [with_RPA=$enableval],
339 test "$with_RPA" = "yes" && AC_DEFINE(RPA_ENABLE,1,Define if you want RPA support compiled in)
341 ### use option --enable-NTLM to compile in the NTLM support
343 [ --enable-NTLM compile in NTLM authentication support],
344 [with_NTLM=$enableval],
346 test "$with_NTLM" = "yes" && AC_DEFINE(NTLM_ENABLE,1,Define if you want NTLM authentication)
348 ### use option --enable-SDPS to compile in the SDPS support
350 [ --enable-SDPS compile in SDPS protocol support],
351 [with_SDPS=$enableval],
353 test "$with_SDPS" = "yes" && AC_DEFINE(SDPS_ENABLE,1,Define if you want SDPS support compiled in)
355 ### use option --enable-opie to compile in the OPIE support
357 [ --enable-opie support OTP through the OPIE library],
358 [ AC_CHECK_HEADER(opie.h,, [AC_MSG_ERROR(cannot find <opie.h>, which is required for OPIE support.)])
359 AC_CHECK_LIB(opie,opiegenerator,, [AC_MSG_ERROR(cannot find libopie, which is required for OPIE support.)])
360 with_opie=$enableval],
362 test "$with_opie" = "yes" && AC_DEFINE(OPIE_ENABLE,1,Define if you want OPIE support compiled in)
364 AC_SEARCH_LIBS(getaddrinfo, inet6, [AC_DEFINE(HAVE_GETADDRINFO,1,[define to 1 if you have the getaddrinfo function])])
365 AC_CHECK_FUNCS(getnameinfo)
367 # This version of the Kerberos 4 and 5 options addresses the follwing issues:
369 # * Build correctly under Heimdal kerberos if it is compiled with db2 and
370 # OpenSSL support (Debian's is)
371 # * Build the kerberos.c stuff (KPOP) only for kerberosIV, to avoid breakage.
372 # I don't know if this is 100% correct, but now at least IMAP and POP3
373 # behave the same way regarding kerberosV.
374 # * Build without any fuss for both kerberosIV and V at the same time.
375 # * Move all the kerberos header mess to kerberos.h, and #include that
376 # in driver.c and kerberos.c.
378 # Tested using the Heimdal Kerberos V libs, Kungliga Tekniska Högskolan (the
379 # Royal Institute of Technology in Stockholm, Sweden)'s kerberos IV libs, and
380 # the MIT reference implementation of KerberosV (all as packaged in Debian).
382 ### use option --with-kerberos5=DIR to point at a Kerberos 5 directory
383 ### make sure --with-ssl is run before --with-kerberos* !
384 AC_ARG_WITH(kerberos5,
385 [ --with-kerberos5=DIR point fetchmail compilation at a Kerberos 5 directory],
387 if test "$with_kerberos5" != "no"
389 # Check for a OpenBSD special case
390 if test "$with_kerberos5" = "yes" && ( test `uname` = "OpenBSD" )
392 AS_MESSAGE(checking kerberosV for OpenBSD...)
393 AC_DEFINE(HEIMDAL,1,Define if you have HEIMDAL kerberos 5)
394 AC_DEFINE(KERBEROS_V5,1,Define if you have Kerberos V5)
395 CEFLAGS="$CEFLAGS -I/usr/include/kerberosV"
396 LIBS="$LIBS -lasn1 -lkrb5 -lcom_err -lkafs"
397 elif krb5-config 2> /dev/null >/dev/null ; then
398 krb5_prefix=`krb5-config --prefix krb5`
399 AC_MSG_RESULT([krb5-config points to kerberosV under $krb5_prefix])
400 if test -f ${krb5_prefix}/include/et/com_err.h && \
401 ! test -f ${krb5_prefix}/include/com_err.h ; then
402 CEFLAGS="$CEFLAGS -I${krb5_prefix}/include/et"
405 CEFLAGS="$CEFLAGS `krb5-config --cflags krb5`"
406 LIBS="$LIBS `krb5-config --libs krb5`"
407 AC_DEFINE(KERBEROS_V5)
409 if test "$with_kerberos5" != "yes"
411 LDEFLAGS="$LDEFLAGS -L${with_kerberos5}/lib"
412 searchdirs="$with_kerberos5"
414 searchdirs="/usr/kerberos /usr/local/krb5 /usr/athena /usr"
417 for dir in $searchdirs
418 do AC_MSG_CHECKING([for Kerberos V in $dir])
419 if test -f "$dir/include/krb5.h"
422 if test -f "$dir/include/roken.h"
424 ac_krblibs="-lasn1 -lroken -lcom_err"
425 AC_MSG_RESULT([Heimdal found])
426 dnl Attempt to detect if we need to -ldb2 to link Heimdal
427 dnl we assume we do if it is available
428 AC_CHECK_LIB(db2, db_open, ac_krblibs="$ac_krblibs -ldb2", [],
430 AC_CHECK_LIB(des, des_string_to_key, libk5crypto=-ldes,
431 AC_CHECK_LIB(ssl, MD5_Init, [],
432 AC_MSG_ERROR([DES libraries not found. Try adding --with-ssl to enable OpenSSL support]),
433 ${LDEFLAGS} ${ac_krblibs}),
434 ${LDEFLAGS} ${ac_krblibs})
437 AC_MSG_RESULT([found])
438 ac_krblibs="-lcom_err"
440 krb5_des_string_to_key,
441 libk5crypto=-lcrypto,
442 AC_CHECK_LIB(k5crypto,
443 krb5_des_string_to_key,
444 libk5crypto=-lk5crypto,
445 AC_MSG_ERROR([Kerberos 5 DES libraries not found]),
446 ${LDEFLAGS} ${ac_krblibs}),
447 ${LDEFLAGS} ${ac_krblibs})
449 AC_CHECK_LIB(krb5, krb5_init_context,[],
451 ${LDEFLAGS} ${ac_krblibs})
452 AC_DEFINE(KERBEROS_V5)
453 test "$dir" != "/usr" && CEFLAGS="$CEFLAGS -I$dir/include"
454 LDEFLAGS="$LDEFLAGS -L$dir/lib"
455 LIBS="$LIBS $ac_krblibs $libk5crypto"
459 AC_MSG_RESULT([not found])
462 if test -z "$with_kerberos5" ; then
463 AC_MSG_ERROR([Kerberos 5 libraries not found])
467 ]) dnl --with-kerberos5=DIR
469 ### use option --with-kerberos=DIR to point at a Kerberos 4 directory
470 AC_ARG_WITH(kerberos,
471 [ --with-kerberos=DIR point fetchmail compilation at a Kerberos 4 directory],
473 if test "$with_kerberos" != "no"
475 # Check for a NetBSD/OpenBSD special case
476 if test "$with_kerberos" = "yes" && ( test `uname` = "NetBSD" || test `uname` = "OpenBSD" )
478 AS_MESSAGE(checking kerberosIV for `uname`...)
479 AC_DEFINE(KERBEROS_V4,1,Define if you have Kerberos V4)
480 CEFLAGS="$CEFLAGS -I/usr/include/kerberosIV"
481 LIBS="$LIBS -lkrb -ldes"
482 elif krb4-config 2> /dev/null >/dev/null ; then
483 krb4_prefix=`krb4-config --prefix`
484 AC_MSG_RESULT([krb4-config points to kerberosIV under $krb4_prefix])
486 CEFLAGS="$CEFLAGS `krb4-config --cflags`"
487 LIBS="$LIBS `krb4-config --libs`"
488 AC_DEFINE(KERBEROS_V4)
489 elif krb5-config 2> /dev/null >/dev/null ; then
490 krb4_prefix=`krb5-config --prefix krb4`
491 AC_MSG_RESULT([krb5-config points to kerberosIV under $krb4_prefix])
492 if test -f ${krb4_prefix}/include/kerberosIV/krb.h ; then
493 AC_DEFINE(KERBEROS_V4_V5,1,Define if you have Kerberos V4 headers under a kerberosIV directory)
496 CEFLAGS="$CEFLAGS `krb5-config --cflags krb4`"
497 LIBS="$LIBS `krb5-config --libs krb4`"
498 AC_DEFINE(KERBEROS_V4)
500 #we need to detect when we're building under a kerberosV compatibility
502 if test "$with_kerberos" != "yes" ; then
503 searchdirs="$with_kerberos"
505 searchdirs="$with_kerberos5 /usr/kerberos /usr/kerberosIV /usr/athena /usr"
508 ac_saveLDFLAGS="$LDFLAGS"
509 for dir in $searchdirs
511 AC_MSG_CHECKING([for Kerberos IV in $dir])
512 if test -f "$dir/include/krb.h" || test -f "$dir/include/krb4.h" \
513 || test -f "$dir/include/kerberosIV/krb.h"
515 AC_MSG_RESULT([found])
517 AC_MSG_RESULT([not found])
521 if test -f "$with_kerberos5/roken.h" ; then
522 AC_CHECK_LIB(45, krb_mk_req)
524 LDFLAGS="-L$dir/lib $ac_saveLDFLAGS"
525 if test `uname` = "FreeBSD"; then
526 AC_SEARCH_LIBS(_ossl_old_des_string_to_key, [des425 des crypto], [], continue)
528 AC_SEARCH_LIBS(des_string_to_key, [crypto], [], continue)
530 AC_SEARCH_LIBS(krb_realmofhost, [krb4 krb], [], continue)
532 if test -f "$dir/include/kerberosIV/krb.h" ; then
533 dir="$dir/include/kerberosIV"
537 AC_DEFINE(KERBEROS_V4)
538 test -f "$with_kerberos5/roken.h" && AC_DEFINE(HEIMDAL)
539 test "$dir" != "/usr/include" && CEFLAGS="$CEFLAGS -I$dir"
540 LDEFLAGS="$LDEFLAGS -L$with_kerberos/lib"
543 if test -z "$with_kerberos" ; then
544 AC_MSG_ERROR([Kerberos 4 libraries not found])
546 LDFLAGS="$ac_saveLDFLAGS"
549 ]) dnl --with-kerberos=DIR
551 ### use option --with-ssl to compile in the SSL support
553 [ --with-ssl=[DIR] enable SSL support using libraries in DIR],
556 test "$with_ssl" != "no" && AC_DEFINE(SSL_ENABLE,1,Define if you want SSL support compiled in)
558 if test "$with_ssl" = "yes"
560 # He didn't specify an SSL location. Let's look at some common
561 # directories where SSL has been found in the past and try and auto
562 # configure for SSL. OpenSSL determination will be made later.
563 # This will screw up if an OpenSSL install is located in a later
564 # directory than an older SSLeay install, but the user should fix that
565 # anyways and he can override on the configure line.
566 # Just testing for directories is not sufficient, /usr exists on
578 if test -r "$ac_dir/include/openssl/ssl.h" ; then
585 if test -n "$with_ssl" -a "$with_ssl" != "no"
587 # With the autoconfigure above, the only time this is going to be
588 # true is going to be when we could not find the headers. If they
589 # are not in system standard locations, we are going to be broken.
590 if test "$with_ssl" = "yes"
592 # Let's just define the standard location for the SSLeay root
593 with_ssl="/usr/local/ssl"
595 if test -r $with_ssl/include/openssl/ssl.h
597 ### ssl.h found under openssl. Use openssl configuration preferentially,
598 AC_MSG_NOTICE(Enabling OpenSSL support in $with_ssl.)
599 test "$with_ssl" != "/usr" && CEFLAGS="$CEFLAGS -I$with_ssl/include"
600 ### In Red Hat 9, this file includes a reference to <krb5.h>, so we
601 ### force the Kerberos direcory onto the include path so it will build.
602 CEFLAGS="$CEFLAGS -I/usr/kerberos/include"
603 ### OpenBSD comes with ssl headers
605 AC_MSG_ERROR([SSL support enabled, but OpenSSL not found])
607 LDEFLAGS="$LDEFLAGS -L$with_ssl/lib"
608 LIBS="$LIBS -lssl -lcrypto"
609 dnl check if -ldl is needed
610 AC_MSG_CHECKING([for additional library dependencies of SSL])
613 for i in "" "-ldl" ; do
614 LIBS="$LDEFLAGS $save_LIBS $i"
615 AC_LINK_IFELSE([AC_LANG_PROGRAM(,[SSL_library_init()])],[found=1; break])
617 if test $found = 0 ; then
618 AC_MSG_RESULT([error])
619 AC_MSG_ERROR([cannot link with SSL - check config.log])
622 if test "$i" = "" ; then i="(none)" ; fi
624 dnl XXX FIXME: use pkg-config if available!
625 AC_DEFINE(SSL_ENABLE)
627 AC_MSG_NOTICE(Disabling SSL support.)
630 ### use option --with-socks=DIR to point at SOCKS library
632 [ --with-socks[=DIR] add built-in SOCKS firewall access],
634 if test "$with_socks" != no
636 if test "$with_socks" != yes
638 LDEFLAGS="$LDEFLAGS -L$with_socks"
640 AC_CHECK_LIB(socks, Rconnect,,
641 AC_MSG_ERROR([could not find libsocks which is needed for built-in SOCKS support]))
643 AC_DEFINE(HAVE_SOCKS,1,Define if you want built-in SOCKS support)
644 CEFLAGS="$CEFLAGS -Dconnect=Rconnect -Dgetsockname=Rgetsockname -Dbind=Rbind -Daccept=Raccept -Dlisten=Rlisten -Dselect=Rselect"
648 ### use option --with-socks5=DIR to point at SOCKS library
650 [ --with-socks5[=DIR] add built-in SOCKS5 firewall access],
652 if test "$with_socks5" != no
654 if test "$with_socks5" != yes
656 LDEFLAGS="$LDEFLAGS -L$with_socks5"
658 ac_savedLDFLAGS="$LDFLAGS"
659 LDFLAGS="$LDEFLAGS $LDFLAGS"
660 AC_CHECK_LIB(socks5, SOCKSconnect,,
661 AC_MSG_ERROR([could not find libsocks5 which is needed for built-in SOCKS5 support]))
662 AC_DEFINE(HAVE_SOCKS)
663 CEFLAGS="$CEFLAGS -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"
664 AC_CHECK_FUNC(SOCKSfclose, [CFLAGS="$CFLAGS -Dfclose=SOCKSfclose"])
665 LDFLAGS="$ac_savedLDFLAGS"
668 ACX_WHICH_GETHOSTBYNAME_R
670 ### use option --with-hesiod=DIR to point at a HESIOD directory
671 AC_ma_SEARCH_PACKAGE(hesiod, hesiod_getmailhost, /usr/athena /usr /usr/local,hesiod, hesiod.h)
673 ### use option --with-gssapi=DIR to compile in GSSAPI support
675 [ --with-gssapi[=DIR] compile in GSSAPI support using libraries in DIR],
677 if test "$with_gssapi" != "no"
679 if test "$with_gssapi" = "yes" -a -n "$with_kerberos5"
681 with_gssapi=$with_kerberos5
683 if test "$with_gssapi" != "yes" -a -n "$with_gssapi"
685 CFLAGS="$CFLAGS -I$with_gssapi/include"
686 LDFLAGS="$LDFLAGS -L$with_gssapi/lib"
689 AC_CHECK_LIB(gss, gss_check_version, LIBS="$LIBS -lgss", nogss=t)
692 if test -f "$with_gssapi/include/roken.h"
694 LIBS="$LIBS -lkrb5 -lasn1 -ldes -lroken -ldb -ldl"
695 AC_CHECK_LIB(gssapi, gss_init_sec_context,LIBS="$LIBS -lgssapi",
696 AC_MSG_ERROR([could not find libgssapi which is needed for GSSAPI support]), )
699 AC_CHECK_LIB(gssapi_krb5, gss_init_sec_context,LIBS="$LIBS -lgssapi_krb5",
700 AC_MSG_ERROR([could not find libgssapi_krb5 which is needed for GSSAPI support]), -lkrb5)
703 AC_DEFINE(GSSAPI,1,Define if you want GSSAPI authentication)
704 save_CPPFLAGS=$CPPFLAGS
705 CPPFLAGS="-I$with_gssapi/include"
706 AC_CHECK_HEADERS(gss.h gssapi.h gssapi/gssapi.h gssapi/gssapi_generic.h)
707 if test "$ac_cv_header_gssapi_h" = "yes"; then
708 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))
710 AC_EGREP_HEADER(GSS_C_NT_HOSTBASED_SERVICE, gssapi/gssapi.h, AC_DEFINE(HAVE_GSS_C_NT_HOSTBASED_SERVICE))
718 dnl ,------------------------------------------------------------------
719 dnl Check if we need TRIO
721 if test "$FORCE_TRIO" = "yes" ; then
723 ac_cv_func_vsnprintf=no
724 ac_cv_func_snprintf=no
726 if test "x$ac_cv_func_snprintf" != "xyes" ; then
727 AC_DEFINE(snprintf, trio_snprintf,
728 [Define to trio_snprintf if your system lacks snprintf])
731 if test "x$ac_cv_func_vsnprintf" != "xyes" ; then
732 AC_DEFINE(vsnprintf, trio_vsnprintf,
733 [Define to trio_vsnprintf if your system lacks vsnprintf])
736 AM_CONDITIONAL(NEED_TRIO, test "$needtrio" = 1)
738 dnl TRIO IEEE compiler option for Alpha
740 if test "$needtrio" = 1 ; then
741 AC_MSG_CHECKING(for IEEE compilation options)
742 AC_CACHE_VAL(ac_cv_ieee_option, [
744 #if !(defined(__alpha) && (defined(__DECC) || defined(__DECCXX) || (defined(__osf__) && defined(__LANGUAGE_C__))) && (defined(VMS) || defined(__VMS)))
745 # error "Option needed"
747 ],ac_cv_ieee_option="/IEEE_MODE=UNDERFLOW_TO_ZERO/FLOAT=IEEE",
749 #if !(defined(__alpha) && (defined(__DECC) || defined(__DECCXX) || (defined(__osf__) && defined(__LANGUAGE_C__))) && !(defined(VMS) || defined(__VMS)) && !defined(_CFE))
750 # error "Option needed"
752 ],ac_cv_ieee_option="-ieee",
754 #if !(defined(__alpha) && (defined(__GNUC__) && (defined(__osf__) || defined(__linux__))))
755 # error "Option needed"
757 ],ac_cv_ieee_option="-mieee",
758 ac_cv_ieee_option="none"
763 AC_MSG_RESULT($ac_cv_ieee_option)
764 if test $ac_cv_ieee_option != none; then
765 CFLAGS="${CFLAGS} ${ac_cv_ieee_option}"
768 dnl ----------------------------------------------------------------'
770 AC_CONFIG_FILES([Makefile m4/Makefile po/Makefile.in genlsm.sh])
774 dnl comment-start: "dnl "
776 dnl comment-start-skip: "\\bdnl\\b\\s *"
777 dnl compile-command: "make configure config.h.in"