1 dnl Autoconfigure input file for fetchmail
2 dnl Eric S. Raymond <esr@thyrsus.com>
4 dnl Process this file with autoconf to produce a configure script.
7 AC_INIT([fetchmail],[6.2.6])
8 AC_CONFIG_SRCDIR([fetchmail.h])
9 AC_CONFIG_HEADERS([config.h])
10 AC_CONFIG_LIBOBJ_DIR([.])
12 dnl we may need a newer automake version - the oldest tested is 1.7
14 AM_INIT_AUTOMAKE(1.5 foreign no-installinfo)
19 AC_PROG_CPP dnl Later checks need this.
29 AC_CHECK_HEADERS([unistd.h termios.h termio.h sgtty.h stdarg.h \
30 alloca.h sys/itimer.h fcntl.h sys/fcntl.h memory.h sys/wait.h \
31 sys/shm.h arpa/inet.h arpa/nameser.h netinet/in.h net/socket.h \
32 sys/select.h sys/time.h langinfo.h])
33 AC_CHECK_HEADERS([resolv.h],,,[
34 #include <sys/types.h>
35 #ifdef HAVE_NETINET_IN_H
36 #include <netinet/in.h>
38 #ifdef HAVE_ARPA_NAMESER_H
39 #include <arpa/nameser.h>
43 AC_C_CONST dnl getopt needs this.
51 # Check for LynxOS special case: -lbsd needed (at least on 2.3.0) and -s
53 if test `uname` = "LynxOS"
55 echo "Adding -lbsd to standard libraries"
58 echo "Prepending standard include path to gcc flags"
59 CPFLAGS="-I/usr/include"
62 # Check for FreeBSD special case: more libs needed
63 if test `uname` = "FreeBSD"
65 echo "Adding -lmd -lkvm -lcom_err to standard libraries"
66 LIBS="$LIBS -lmd -lkvm -lcom_err"
69 # Check for Rhapsody special case: it doesn't like -s
70 if test `uname` = "Rhapsody"
72 echo "Removing -s load flag"
73 LDFLAGS=`echo $LDFLAGS | sed "s/-s //"`
77 AM_GNU_GETTEXT(no-libtool, need-ngettext)
78 AM_GNU_GETTEXT_VERSION(0.14.1)
81 # Under sysV68, socket and friends are provided by the C library.
82 # -linet does not provide socket, but causes multiple definition
83 # errors at link-time. It is thus better to only use the C library.
84 # So don't add -linet to the link list unless it's necessary
86 AC_MSG_RESULT(using libc's socket),
87 AC_CHECK_LIB(socket,socket)
88 AC_CHECK_LIB(inet,socket))
90 # The condition in this test copes with the presence of inet_addr in libc6.
91 AC_CHECK_FUNC(inet_addr,
92 AC_MSG_RESULT(using libc's inet_addr),
93 AC_CHECK_LIB(nsl,inet_addr))
95 dnl Port hack for Interactive UNIX System V/386 Release 3.2
96 AC_CHECK_LIB(cposix, strchr,
97 [DEFS="$DEFS -D_SYSV3"
98 LIBS="$LIBS -lcposix"])
100 dnl Port hack for Sparc/NetBSD-1.5
101 AC_CHECK_LIB(intl, gettext,
102 [LIBS="$LIBS -lintl"])
104 AC_REPLACE_FUNCS([strstr strcasecmp memmove stpcpy])
106 AC_CHECK_FUNC(MD5Init, AC_DEFINE(HAVE_MD5,1,Define if you have md5 in libc),
107 [AC_LIBSOURCE(md5c.c)
108 EXTRAOBJ="$EXTRAOBJ md5c.\$(OBJEXT)"])
110 AC_CHECK_FUNC(getopt_long, AC_DEFINE(HAVE_GETOPT_LONG),
111 [AC_LIBSOURCES([getopt.c, getopt1.c])
112 EXTRAOBJ="$EXTRAOBJ getopt.\$(OBJEXT) getopt1.\$(OBJEXT)"])
117 EXTRAOBJ="$EXTRAOBJ alloca.\$(OBJEXT)"
122 AC_CHECK_FUNCS(tcsetattr stty setsid geteuid seteuid gethostbyname \
123 res_search herror strrchr strerror setlinebuf syslog \
124 snprintf vprintf vsnprintf vsyslog \
125 atexit inet_aton strftime setrlimit socketpair sigprocmask sigaction \
128 # Under Red Hat 4.0 (and many other Linuxes) -lresolv is seriously flaky
129 # and breaks gethostbyname(2). It's better to use the bind stuff in the C
130 # library. So don't add -lresolv to the link list unless it's necessary
131 # (It will be necessary when using GNU libc6).
132 AC_CHECK_FUNC(res_search,
133 AC_MSG_RESULT(using libc's resolver functions),
134 AC_CHECK_LIB(resolv,res_search,
135 [AC_DEFINE(HAVE_RES_SEARCH) AC_MSG_RESULT(found resolver functions in libresolv); LIBS="$LIBS -lresolv"], AC_MSG_RESULT(no resolver calls found)))
137 dnl Check for libcrypt -- it may live in libc or libcrypt, as on IRIX
138 AC_CHECK_FUNC(crypt, , AC_CHECK_LIB(crypt,crypt))
140 dnl Check for RSA refersence library in case we're using SSL
141 AC_CHECK_LIB(rsaref, RSAPublicDecrypt)
143 dnl AC_FUNC_SETVBUF_REVERSED
145 dnl Check for usable void pointer type
146 AC_MSG_CHECKING(use of void pointer type)
147 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[char *p;
149 p = (char *) xmalloc(1);
150 ]])],[AC_DEFINE(HAVE_VOIDPOINTER,1,[Define if your C compiler allows void * as a function result]) AC_MSG_RESULT(yes)],[AC_MSG_RESULT(no)])
152 dnl Check for ANSI volatile
155 dnl Check out the wait reality. We have to assume sys/wait.h is present.
156 AC_CHECK_FUNCS(waitpid wait3)
157 AC_MSG_CHECKING(for union wait);
158 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
159 #include <sys/wait.h>]], [[union wait status; int pid; pid = wait (&status);
161 /* Some POSIXoid systems have both the new-style macros and the old
162 union wait type, and they do not work together. If union wait
163 conflicts with WEXITSTATUS et al, we don't want to use it at all. */
164 if (WEXITSTATUS (status) != 0) pid = -1;
167 /* Make sure union wait works with waitpid. */
168 pid = waitpid (-1, &status, 0);
170 ]])],[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)])
172 AC_MSG_CHECKING(sys_siglist declaration in signal.h or unistd.h)
173 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <signal.h>
174 /* NetBSD declares sys_siglist in <unistd.h>. */
177 #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)])
179 # Find the right directory to put the root-mode PID file in
180 for dir in "/var/run" "/etc"
187 AC_MSG_RESULT(root-mode pid file will go in $dir)
188 AC_DEFINE_UNQUOTED(PID_DIR, "$dir", directory for PID lock files)
190 # We may have a fallback MDA available in case the socket open to the
191 # local SMTP listener fails. Best to use procmail for this, as we know
192 # it won't try delivering through local SMTP and cause a mail loop.
193 # Sendmail without the -t option to use the message headers will work too,
194 # not just for sendmail itself but for workalikes like exim.
196 # Note1: A disadvantage of using procmail is that local alias expansion
197 # according to /etc/aliases won't get done if we fall back. This doesn't
198 # matter in single-drop mode.
200 # Note2: it would be a very bad idea to use any MDA that doesn't return
201 # a refuse-to-deliver status on disk- or process-table-full
202 # conditions; mail could get lost that way. Sendmail and all of the MDAs
203 # like exim that might be lurking under a sendmail alias) do the right
204 # thing in this circumstance. Matthias Andree warns that procmail does
207 # Note3: Defalt value of fallback is now off. Matthias writes:
209 # 1. there is no way to predict when the fallback is used. With some MTAs
210 # (such as those limiting load average), outer circumstances can cause
211 # the fallback to kick in.
213 # 2. the fallback changes fetchmail behaviour in unpredictable ways. It's
214 # not only about alias expansion, .forwards to special filters won't
215 # work, mail may end up in a different place (users claim "mail loss"
218 # 3. The claim procmail did the right thing with its exit codes is plain
219 # wrong. I've seen procmail exit with code 1 when it should have exited
220 # with code 75, like, configuration errors. Procmail is a dangerous
221 # beast and is best replaced by maildrop.
223 # 4. if multiple choices exist (like procmail and maildrop), fetchmail
224 # cannot tell which one it should choose. Say, your MTA is configured
225 # to use maildrop to deliver to user's mailboxes, if fetchmail then
226 # chooses procmail, this is plain wrong.
229 AC_PATH_PROG(procmail, procmail, "", $PATH:/usr/sbin)
230 AC_PATH_PROG(sendmail, sendmail, "", $PATH:/usr/sbin:/usr/lib)
231 AC_PATH_PROG(maildrop, maildrop, "", $PATH:/usr/local/bin)
233 ### use option --disable-fallback to disable fallback MDA
234 ### use option --enable-fallback=procmail or
235 ### --enable-fallback=sendmail to select
236 AC_ARG_ENABLE(fallback,
237 [ --enable-fallback=procmail enable procmail as fallback
238 --enable-fallback=sendmail enable /usr/sbin/sendmail as fallback
239 --enable-fallback=maildrop enable maildrop as fallback
240 --enable-fallback=no disable fallback],,[enable_fallback=no])
242 case "$enable_fallback" in
243 sendmail) if test -z "$sendmail" ; then
244 AC_MSG_ERROR([Sendmail selected as fallback, but not found])
247 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$sendmail -i %T", Fallback MTA to use if defined)
248 echo "Will use $sendmail as fallback MDA."
250 procmail) if test -z "$procmail" ; then
251 AC_MSG_ERROR([procmail selected as fallback, but not found])
254 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$procmail -d %T")
255 echo "Will use $procmail as fallback MDA."
257 maildrop) if test -z "$maildrop" ; then
258 AC_MSG_ERROR([maildrop selected as fallback, but not found])
261 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$maildrop -d %T")
262 echo "Will use $maildrop as fallback MDA."
264 no|unset) echo "Will not use a fallback MDA"
266 auto|yes|set) if test -n "$sendmail" ; then
267 AC_DEFINE_UNQUOTED(FALLBACK_MDA,"$sendmail -i %T")
268 echo "Will use $sendmail as fallback MDA."
270 echo "No fallback MDA available. procmail and maildrop are not eligible"
271 echo "for automatic fallback MDA configuration for reliability reasons."
274 *) AC_MSG_ERROR([unkown value for --enable-fallback given: $enable_fallback])
279 AC_CHECK_SIZEOF(short)
281 AC_CHECK_SIZEOF(long)
283 ### use option --enable-POP2 to compile in the POP2 support
285 [ --enable-POP2 compile in POP2 protocol support (obsolete)],
286 [with_POP2=$enableval],
288 test "$with_POP2" = "yes" && AC_DEFINE(POP2_ENABLE,1,Define if you want POP2 support compiled in)
290 ### use option --disable-POP3 to omit the POP3 support
292 [ --disable-POP3 don't compile in POP3 protocol support],
293 [with_POP3=$enableval],
295 test "$with_POP3" = "yes" && AC_DEFINE(POP3_ENABLE,1,Define if you want POP3 support compiled in)
297 ### use option --disable-IMAP to omit the IMAP support
299 [ --disable-IMAP don't compile in IMAP protocol support],
300 [with_IMAP=$enableval],
302 test "$with_IMAP" = "yes" && AC_DEFINE(IMAP_ENABLE,1,"Define if you want IMAP support compiled in")
304 ### use option --disable-ETRN to omit the ETRN support
306 [ --disable-ETRN don't compile in ETRN protocol support],
307 [with_ETRN=$enableval],
309 test "$with_ETRN" = "yes" && AC_DEFINE(ETRN_ENABLE,1,Define if you want ETRN support compiled in.)
311 ### use option --disable-ODMR to omit the ODMR support
313 [ --disable-ODMR don't compile in ODMR protocol support],
314 [with_ODMR=$enableval],
316 test "$with_ODMR" = "yes" && AC_DEFINE(ODMR_ENABLE,1,Define if you want ODMR support compiled in)
318 ### use option --enable-RPA to compile in the RPA support
320 [ --enable-RPA compile in RPA protocol support],
321 [with_RPA=$enableval],
323 test "$with_RPA" = "yes" && AC_DEFINE(RPA_ENABLE,1,Define if you want RPA support compiled in)
325 ### use option --enable-NTLM to compile in the NTLM support
327 [ --enable-NTLM compile in NTLM authentication support],
328 [with_NTLM=$enableval],
330 test "$with_NTLM" = "yes" && AC_DEFINE(NTLM_ENABLE,1,Define if you want NTLM authentication)
332 ### use option --enable-SDPS to compile in the SDPS support
334 [ --enable-SDPS compile in SDPS protocol support],
335 [with_SDPS=$enableval],
337 test "$with_SDPS" = "yes" && AC_DEFINE(SDPS_ENABLE,1,Define if you want SDPS support compiled in)
339 ### use option --enable-opie to compile in the OPIE support
341 [ --enable-opie support OTP through the OPIE library],
342 [ AC_CHECK_HEADER(opie.h,, [echo 'configure: cannot find <opie.h>, which is required for OPIE support.'; exit 1])
343 AC_CHECK_LIB(opie,opiegenerator,, [echo 'configure: cannot find libopie, which is required for OPIE support.'; exit 1])
344 with_opie=$enableval],
346 test "$with_opie" = "yes" && AC_DEFINE(OPIE_ENABLE,1,Define if you want OPIE support compiled in)
349 [ --enable-inet6 support IPv6 (requires the inet6-apps library)],
351 [ AC_CHECK_FUNC(getaddrinfo, [with_inet6=yes],
352 [ LDFLAGS="$LDFLAGS -L/usr/inet6/lib";
353 AC_CHECK_LIB(inet6, getaddrinfo, [with_inet6=yes
354 LIBS="$LIBS -linet6"],
355 [ echo 'configure: cannot find proper glibc version or libinet6,';
356 echo ' which is required for IPv6 support.';
359 test "$with_inet6" = "yes" && AC_DEFINE(INET6_ENABLE,1,Define if you want IPv6 support compiled in)
361 AC_CHECK_FUNCS(inner_connect)
363 AC_ARG_ENABLE(netsec,
364 [ --enable-netsec support network security (requires inet6-apps library)],
365 [ unset ac_cv_lib_inet6_net_security_strtorequest; AC_CHECK_LIB(inet6, net_security_strtorequest,,
366 [ unset ac_cv_lib_inet6_net_security_strtorequest;
367 LDFLAGS="$LDFLAGS -L/usr/inet6/lib";
368 AC_CHECK_LIB(inet6, net_security_strtorequest,,
369 [ echo 'configure: cannot find net_security_strtorequest in libinet6, which is required';
370 echo ' for network security support. Either it does not exist, or it was';
371 echo ' not built with network security support enabled.';
373 unset ac_cv_header_net_security_h; AC_CHECK_HEADER(net/security.h,,
374 [ unset ac_cv_header_net_security_h;
375 CPPFLAGS="$CPPFLAGS -I/usr/inet6/include";
376 CFLAGS="$CFLAGS -I/usr/inet6/include"; AC_CHECK_HEADER(net/security.h,,
377 [ echo 'configure: cannot find <net/security.h>, which is required';
378 echo ' for network security support.';
381 test "$with_netsec" = "yes" && AC_DEFINE(NET_SECURITY,1,Define if you want network security support compiled in)
383 # This version of the Kerberos 4 and 5 options addresses the follwing issues:
385 # * Build correctly under Heimdal kerberos if it is compiled with db2 and
386 # OpenSSL support (Debian's is)
387 # * Build the kerberos.c stuff (KPOP) only for kerberosIV, to avoid breakage.
388 # I don't know if this is 100% correct, but now at least IMAP and POP3
389 # behave the same way regarding kerberosV.
390 # * Build without any fuss for both kerberosIV and V at the same time.
391 # * Move all the kerberos header mess to kerberos.h, and #include that
392 # in driver.c and kerberos.c.
394 # Tested using the Heimdal Kerberos V libs, Kungliga Tekniska Högskolan (the
395 # Royal Institute of Technology in Stockholm, Sweden)'s kerberos IV libs, and
396 # the MIT reference implementation of KerberosV (all as packaged in Debian).
398 ### use option --with-kerberos5=DIR to point at a Kerberos 5 directory
399 ### make sure --with-ssl is run before --with-kerberos* !
400 AC_ARG_WITH(kerberos5,
401 [ --with-kerberos5=DIR point fetchmail compilation at a Kerberos 5
404 if test "$with_kerberos5" != "no"
406 # Check for a OpenBSD special case
407 if test "$with_kerberos5" = "yes" && ( test `uname` = "OpenBSD" )
409 AS_MESSAGE(checking kerberosV for OpenBSD...)
410 AC_DEFINE(HEIMDAL,1,Define if you have HEIMDAL kerberos 5)
411 AC_DEFINE(KERBEROS_V5,1,Define if you have Kerberos V5)
412 CEFLAGS="$CEFLAGS -I/usr/include/kerberosV"
413 LIBS="$LIBS -lasn1 -lkrb5 -lcom_err -lkafs"
415 if test "$with_kerberos5" != "yes"
417 LDEFLAGS="$LDEFLAGS -L${with_kerberos5}/lib"
418 searchdirs="$with_kerberos5"
420 searchdirs="/usr/kerberos /usr/local/krb5 /usr/athena /usr"
423 for dir in $searchdirs
424 do AC_MSG_CHECKING([for Kerberos V in $dir])
425 if test -f "$dir/include/krb5.h"
428 if test -f "$dir/include/roken.h"
430 ac_krblibs="-lasn1 -lroken -lcom_err"
431 AC_MSG_RESULT([Heimdal found])
432 dnl Attempt to detect if we need to -ldb2 to link Heimdal
433 dnl we assume we do if it is available
434 AC_CHECK_LIB(db2, db_open, ac_krblibs="$ac_krblibs -ldb2", [],
436 AC_CHECK_LIB(des, des_string_to_key, libk5crypto=-ldes,
437 AC_CHECK_LIB(ssl, MD5_Init, [],
438 AC_MSG_ERROR([DES libraries not found. Try adding --with-ssl to enable OpenSSL support]),
439 ${LDEFLAGS} ${ac_krblibs}),
440 ${LDEFLAGS} ${ac_krblibs})
443 AC_MSG_RESULT([found])
444 ac_krblibs="-lcom_err"
446 krb5_des_string_to_key,
447 libk5crypto=-lcrypto,
448 AC_CHECK_LIB(k5crypto,
449 krb5_des_string_to_key,
450 libk5crypto=-lk5crypto,
451 AC_MSG_ERROR([Kerberos 5 DES libraries not found]),
452 ${LDEFLAGS} ${ac_krblibs}),
453 ${LDEFLAGS} ${ac_krblibs})
455 AC_CHECK_LIB(krb5, krb5_init_context,[],
457 ${LDEFLAGS} ${ac_krblibs})
458 AC_DEFINE(KERBEROS_V5)
459 test "$dir" != "/usr" && CEFLAGS="$CEFLAGS -I$dir/include"
460 LDEFLAGS="$LDEFLAGS -L$dir/lib"
461 LIBS="$LIBS $ac_krblibs $libk5crypto"
465 AC_MSG_RESULT([not found])
468 if test -z "$with_kerberos5" ; then
469 AC_MSG_ERROR([Kerberos 5 libraries not found])
473 ]) dnl --with-kerberos5=DIR
475 ### use option --with-kerberos=DIR to point at a Kerberos 4 directory
476 AC_ARG_WITH(kerberos,
477 [ --with-kerberos=DIR point fetchmail compilation at a Kerberos 4
480 if test "$with_kerberos" != "no"
482 # Check for a NetBSD/OpenBSD special case
483 if test "$with_kerberos" = "yes" && ( test `uname` = "NetBSD" || test `uname` = "OpenBSD" )
485 AS_MESSAGE(checking kerberosIV for `uname`...)
486 AC_DEFINE(KERBEROS_V4,1,Define if you have Kerberos V4)
487 CEFLAGS="$CEFLAGS -I/usr/include/kerberosIV"
488 LIBS="$LIBS -lkrb -ldes"
490 #we need to detect when we're building under a kerberosV compatibility
492 if test "$with_kerberos" != "yes" ; then
493 searchdirs="$with_kerberos"
495 searchdirs="$with_kerberos5 /usr/kerberos /usr/kerberosIV /usr/athena/usr"
498 ac_saveLDFLAGS="$LDFLAGS"
499 for dir in $searchdirs
501 AC_MSG_CHECKING([for Kerberos IV in $dir])
502 if test -f "$dir/include/krb.h" || test -f "$dir/include/krb4.h" \
503 || test -f "$dir/include/kerberosIV/krb.h"
505 AC_MSG_RESULT([found])
507 AC_MSG_RESULT([not found])
511 if test -f "$with_kerberos5/roken.h" ; then
512 AC_CHECK_LIB(45, krb_mk_req)
514 LDFLAGS="-L$dir/lib $ac_saveLDFLAGS"
515 AC_SEARCH_LIBS(des_string_to_key, [des425 des crypto], [], continue)
516 AC_SEARCH_LIBS(krb_realmofhost, [krb4 krb], [], continue)
518 if test -f "$dir/include/kerberosIV/krb.h" ; then
519 dir="$dir/include/kerberosIV"
523 AC_DEFINE(KERBEROS_V4)
524 test -f "$with_kerberos5/roken.h" && AC_DEFINE(HEIMDAL)
525 test "$dir" != "/usr/include" && CEFLAGS="$CEFLAGS -I$dir"
526 LDEFLAGS="$LDEFLAGS -L$with_kerberos/lib"
529 if test -z "$with_kerberos" ; then
530 AC_MSG_ERROR([Kerberos 4 libraries not found])
532 LDFLAGS="$ac_saveLDFLAGS"
535 ]) dnl --with-kerberos=DIR
537 ### use option --with-ssl to compile in the SSL support
539 [ --with-ssl=[DIR] enable SSL support using libraries in DIR],
542 test "$with_ssl" != "no" && AC_DEFINE(SSL_ENABLE,1,Define if you want SSL support compiled in)
544 if test "$with_ssl" = "yes"
546 # He didn't specify an SSL location. Let's look at some common
547 # directories where SSL has been found in the past and try and auto
548 # configure for SSL. OpenSSL determination will be made later.
549 # This will screw up if an OpenSSL install is located in a later
550 # directory than an older SSLeay install, but the user should fix that
551 # anyways and he can override on the configure line.
552 # Just testing for directories is not sufficient, /usr exists on
564 if test -r "$ac_dir/include/openssl/ssl.h" ; then
571 if test -n "$with_ssl" -a "$with_ssl" != "no"
573 # With the autoconfigure above, the only time this is going to be
574 # true is going to be when we could not find the headers. If they
575 # are not in system standard locations, we are going to be broken.
576 if test "$with_ssl" = "yes"
578 # Let's just define the standard location for the SSLeay root
579 with_ssl="/usr/local/ssl"
581 if test -r $with_ssl/include/openssl/ssl.h
583 ### ssl.h found under openssl. Use openssl configuration preferentially,
584 echo "Enabling OpenSSL support in $with_ssl"
585 test "$with_ssl" != "/usr" && CEFLAGS="$CEFLAGS -I$with_ssl/include"
586 ### In Red Hat 9, this file includes a reference to <krb5.h>, so we
587 ### force the Kerberos direcory onto the include path so it will build.
588 CEFLAGS="$CEFLAGS -I/usr/kerberos/include"
589 ### OpenBSD comes with ssl headers
591 AC_MSG_ERROR([SSL support enabled, but OpenSSL not found])
593 LDEFLAGS="$LDEFLAGS -L$with_ssl/lib"
594 LIBS="$LIBS -lssl -lcrypto"
595 AC_DEFINE(SSL_ENABLE)
597 echo 'Disabling SSL support...'
600 ### use option --with-socks=DIR to point at SOCKS library
602 [ --with-socks[=DIR] add built-in SOCKS firewall access],
604 if test "$with_socks" != no
606 if test "$with_socks" != yes
608 LDEFLAGS="$LDEFLAGS -L$with_socks"
610 AC_CHECK_LIB(socks, Rconnect,,
611 AC_MSG_ERROR([could not find libsocks which is needed for built-in SOCKS support]))
613 AC_DEFINE(HAVE_SOCKS,1,Define if you want built-in SOCKS support)
614 CEFLAGS="$CEFLAGS -Dconnect=Rconnect -Dgetsockname=Rgetsockname -Dbind=Rbind -Daccept=Raccept -Dlisten=Rlisten -Dselect=Rselect"
618 ### use option --with-socks5=DIR to point at SOCKS library
620 [ --with-socks5[=DIR] add built-in SOCKS5 firewall access],
622 if test "$with_socks5" != no
624 if test "$with_socks5" != yes
626 LDEFLAGS="$LDEFLAGS -L$with_socks5"
628 ac_savedLDFLAGS="$LDFLAGS"
629 LDFLAGS="$LDEFLAGS $LDFLAGS"
630 AC_CHECK_LIB(socks5, SOCKSconnect,,
631 AC_MSG_ERROR([could not find libsocks5 which is needed for built-in SOCKS5 support]))
632 AC_DEFINE(HAVE_SOCKS)
633 CEFLAGS="$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"
634 AC_CHECK_FUNC(SOCKSfclose, [CFLAGS="$CFLAGS -Dfclose=SOCKSfclose"])
635 LDFLAGS="$ac_savedLDFLAGS"
638 ### use option --with-hesiod=DIR to point at a HESIOD directory
639 AC_ma_SEARCH_PACKAGE(hesiod, hesiod_getmailhost, /usr/athena /usr /usr/local,hesiod, hesiod.h)
641 ### use option --with-gssapi=DIR to compile in GSSAPI support
643 [ --with-gssapi[=DIR] compile in GSSAPI support using libraries in DIR],
645 if test "$with_gssapi" != "no"
647 if test "$with_gssapi" = "yes" -a -n "$with_kerberos5"
649 with_gssapi=$with_kerberos5
651 if test "$with_gssapi" != "yes" -a -n "$with_gssapi"
653 CFLAGS="$CFLAGS -I$with_gssapi/include"
654 LDFLAGS="$LDFLAGS -L$with_gssapi/lib"
657 AC_CHECK_LIB(gss, gss_check_version, LIBS="$LIBS -lgss", nogss=t)
660 if test -f "$with_gssapi/include/roken.h"
662 LIBS="$LIBS -lkrb5 -lasn1 -ldes -lroken -ldb -ldl"
663 AC_CHECK_LIB(gssapi, gss_init_sec_context,LIBS="$LIBS -lgssapi",
664 AC_MSG_ERROR([could not find libgssapi which is needed for GSSAPI support]), )
667 AC_CHECK_LIB(gssapi_krb5, gss_init_sec_context,LIBS="$LIBS -lgssapi_krb5",
668 AC_MSG_ERROR([could not find libgssapi_krb5 which is needed for GSSAPI support]), -lkrb5)
671 AC_DEFINE(GSSAPI,1,Define if you want GSSAPI authentication)
672 save_CPPFLAGS=$CPPFLAGS
673 CPPFLAGS="-I$with_gssapi/include"
674 AC_CHECK_HEADERS(gss.h gssapi.h gssapi/gssapi.h gssapi/gssapi_generic.h)
675 if test "$ac_cv_header_gssapi_h" = "yes"; then
676 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))
678 AC_EGREP_HEADER(GSS_C_NT_HOSTBASED_SERVICE, gssapi/gssapi.h, AC_DEFINE(HAVE_GSS_C_NT_HOSTBASED_SERVICE))
686 dnl ,------------------------------------------------------------------
687 dnl Check if we need TRIO
689 if test "$FORCE_TRIO" = "yes" ; then
691 ac_cv_func_vsnprintf=no
692 ac_cv_func_snprintf=no
694 if test "x$ac_cv_func_snprintf" != "xyes" ; then
695 AC_DEFINE(snprintf, trio_snprintf,
696 [Define to trio_snprintf if your system lacks snprintf])
699 if test "x$ac_cv_func_vsnprintf" != "xyes" ; then
700 AC_DEFINE(vsnprintf, trio_vsnprintf,
701 [Define to trio_vsnprintf if your system lacks vsnprintf])
704 AM_CONDITIONAL(NEED_TRIO, test "$needtrio" = 1)
706 dnl TRIO IEEE compiler option for Alpha
708 if test "$needtrio" = 1 ; then
709 AC_MSG_CHECKING(for IEEE compilation options)
710 AC_CACHE_VAL(ac_cv_ieee_option, [
712 #if !(defined(__alpha) && (defined(__DECC) || defined(__DECCXX) || (defined(__osf__) && defined(__LANGUAGE_C__))) && (defined(VMS) || defined(__VMS)))
713 # error "Option needed"
715 ],ac_cv_ieee_option="/IEEE_MODE=UNDERFLOW_TO_ZERO/FLOAT=IEEE",
717 #if !(defined(__alpha) && (defined(__DECC) || defined(__DECCXX) || (defined(__osf__) && defined(__LANGUAGE_C__))) && !(defined(VMS) || defined(__VMS)) && !defined(_CFE))
718 # error "Option needed"
720 ],ac_cv_ieee_option="-ieee",
722 #if !(defined(__alpha) && (defined(__GNUC__) && (defined(__osf__) || defined(__linux__))))
723 # error "Option needed"
725 ],ac_cv_ieee_option="-mieee",
726 ac_cv_ieee_option="none"
731 AC_MSG_RESULT($ac_cv_ieee_option)
732 if test $ac_cv_ieee_option != none; then
733 CFLAGS="${CFLAGS} ${ac_cv_ieee_option}"
736 dnl ----------------------------------------------------------------'
738 AC_CONFIG_FILES([Makefile m4/Makefile m4-local/Makefile
739 po/Makefile.in intl/Makefile])
743 dnl comment-start: "dnl "
745 dnl comment-start-skip: "\\bdnl\\b\\s *"
746 dnl compile-command: "make configure config.h.in"