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],[6.2.9-rc2])
9 AC_CONFIG_SRCDIR([fetchmail.h])
10 AC_CONFIG_HEADERS([config.h])
11 AC_CONFIG_LIBOBJ_DIR([.])
13 dnl we may need a newer automake version - the oldest tested is 1.7
15 AM_INIT_AUTOMAKE(1.5 foreign no-installinfo)
17 dnl the : states that python is optional
18 AM_PATH_PYTHON(2.0,,:)
23 AC_PROG_CPP dnl Later checks need this.
34 AC_CHECK_TYPE(u_int32_t,unsigned int)
35 AC_CHECK_HEADERS([unistd.h termios.h termio.h sgtty.h stdarg.h \
36 sys/itimer.h fcntl.h sys/fcntl.h memory.h sys/wait.h \
37 arpa/inet.h arpa/nameser.h netinet/in.h net/socket.h \
38 sys/select.h sys/socket.h sys/time.h langinfo.h])
39 AC_CHECK_HEADERS([resolv.h],,,[
40 #include <sys/types.h>
41 #ifdef HAVE_NETINET_IN_H
42 #include <netinet/in.h>
44 #ifdef HAVE_ARPA_NAMESER_H
45 #include <arpa/nameser.h>
49 AC_C_CONST dnl getopt needs this.
55 # Check for LynxOS special case: -lbsd needed (at least on 2.3.0) and -s
57 if test `uname` = "LynxOS"
59 echo "Adding -lbsd to standard libraries"
62 echo "Prepending standard include path to gcc flags"
63 CPFLAGS="-I/usr/include"
66 # Check for FreeBSD special case: more libs needed
67 if test `uname` = "FreeBSD"
69 echo "Adding -lmd -lkvm -lcom_err to standard libraries"
70 LIBS="$LIBS -lmd -lkvm -lcom_err"
73 # Check for Rhapsody special case: it doesn't like -s
74 if test `uname` = "Rhapsody"
76 echo "Removing -s load flag"
77 LDFLAGS=`echo $LDFLAGS | sed "s/-s //"`
81 AM_GNU_GETTEXT([external], [need-ngettext])
82 AM_GNU_GETTEXT_VERSION(0.14.1)
85 # Under sysV68, socket and friends are provided by the C library.
86 # -linet does not provide socket, but causes multiple definition
87 # errors at link-time. It is thus better to only use the C library.
88 # So don't add -linet to the link list unless it's necessary
90 AC_MSG_RESULT(using libc's socket),
91 AC_CHECK_LIB(socket,socket)
92 AC_CHECK_LIB(inet,socket))
94 # The condition in this test copes with the presence of inet_addr in libc6.
95 AC_CHECK_FUNC(inet_addr,
96 AC_MSG_RESULT(using libc's inet_addr),
97 AC_CHECK_LIB(nsl,inet_addr))
99 dnl Port hack for Interactive UNIX System V/386 Release 3.2
100 AC_CHECK_LIB(cposix, strchr,
101 [DEFS="$DEFS -D_SYSV3"
102 LIBS="$LIBS -lcposix"])
104 dnl Port hack for Sparc/NetBSD-1.5
105 AC_CHECK_LIB(intl, gettext,
106 [LIBS="$LIBS -lintl"])
108 AC_REPLACE_FUNCS([strstr strcasecmp memmove stpcpy strlcpy strlcat])
110 AC_CHECK_FUNC(MD5Init, [],
111 [AC_LIBSOURCE(md5c.c)
112 EXTRAOBJ="$EXTRAOBJ md5c.\$(OBJEXT)"])
114 AC_CHECK_FUNC(getopt_long, [],
115 [AC_LIBSOURCES([getopt.c, getopt1.c])
116 EXTRAOBJ="$EXTRAOBJ getopt.\$(OBJEXT) getopt1.\$(OBJEXT)"])
122 AC_CHECK_FUNCS(tcsetattr stty setsid geteuid seteuid dnl
123 res_search strerror syslog snprintf vprintf vsnprintf vsyslog dnl
124 atexit inet_aton strftime setrlimit socketpair sigprocmask dnl
125 sigaction strdup setlocale)
127 # Under Red Hat 4.0 (and many other Linuxes) -lresolv is seriously flaky
128 # and breaks gethostbyname(2). It's better to use the bind stuff in the C
129 # library. So don't add -lresolv to the link list unless it's necessary
130 # (It will be necessary when using GNU libc6).
131 AC_CHECK_FUNC(res_search,
132 AC_MSG_RESULT(using libc's resolver functions),
133 AC_CHECK_LIB(resolv,res_search,
134 [AC_DEFINE(HAVE_RES_SEARCH) AC_MSG_RESULT(found resolver functions in libresolv); LIBS="$LIBS -lresolv"], AC_MSG_RESULT(no resolver calls found)))
136 dnl Check for libcrypt -- it may live in libc or libcrypt, as on IRIX
137 AC_CHECK_FUNC(crypt, , AC_CHECK_LIB(crypt,crypt))
139 dnl Check for RSA refersence library in case we're using SSL
140 AC_CHECK_LIB(rsaref, RSAPublicDecrypt)
142 dnl AC_FUNC_SETVBUF_REVERSED
144 dnl Check for usable void pointer type
145 AC_MSG_CHECKING(use of void pointer type)
146 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[char *p;
148 p = (char *) xmalloc(1);
149 ]])],[AC_DEFINE(HAVE_VOIDPOINTER,1,[Define if your C compiler allows void * as a function result]) AC_MSG_RESULT(yes)],[AC_MSG_RESULT(no)])
151 dnl Check for ANSI volatile
154 dnl Check out the wait reality. We have to assume sys/wait.h is present.
155 AC_CHECK_FUNCS(waitpid wait3)
156 AC_MSG_CHECKING(for union wait);
157 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
158 #include <sys/wait.h>]], [[union wait status; int pid; pid = wait (&status);
160 /* Some POSIXoid systems have both the new-style macros and the old
161 union wait type, and they do not work together. If union wait
162 conflicts with WEXITSTATUS et al, we don't want to use it at all. */
163 if (WEXITSTATUS (status) != 0) pid = -1;
166 /* Make sure union wait works with waitpid. */
167 pid = waitpid (-1, &status, 0);
169 ]])],[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)])
171 AC_MSG_CHECKING(sys_siglist declaration in signal.h or unistd.h)
172 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <signal.h>
173 /* NetBSD declares sys_siglist in <unistd.h>. */
176 #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)])
178 # Find the right directory to put the root-mode PID file in
179 for dir in "/var/run" "/etc"
186 AC_MSG_RESULT(root-mode pid file will go in $dir)
187 AC_DEFINE_UNQUOTED(PID_DIR, "$dir", directory for PID lock files)
189 # We may have a fallback MDA available in case the socket open to the
190 # local SMTP listener fails. Best to use procmail for this, as we know
191 # it won't try delivering through local SMTP and cause a mail loop.
192 # Sendmail without the -t option to use the message headers will work too,
193 # not just for sendmail itself but for workalikes like exim.
195 # Note1: A disadvantage of using procmail is that local alias expansion
196 # according to /etc/aliases won't get done if we fall back. This doesn't
197 # matter in single-drop mode.
199 # Note2: it would be a very bad idea to use any MDA that doesn't return
200 # a refuse-to-deliver status on disk- or process-table-full
201 # conditions; mail could get lost that way. Sendmail and all of the MDAs
202 # like exim that might be lurking under a sendmail alias) do the right
203 # thing in this circumstance. Matthias Andree warns that procmail does
206 # Note3: Defalt value of fallback is now off. Matthias writes:
208 # 1. there is no way to predict when the fallback is used. With some MTAs
209 # (such as those limiting load average), outer circumstances can cause
210 # the fallback to kick in.
212 # 2. the fallback changes fetchmail behaviour in unpredictable ways. It's
213 # not only about alias expansion, .forwards to special filters won't
214 # work, mail may end up in a different place (users claim "mail loss"
217 # 3. The claim procmail did the right thing with its exit codes is plain
218 # wrong. I've seen procmail exit with code 1 when it should have exited
219 # with code 75, like, configuration errors. Procmail is a dangerous
220 # beast and is best replaced by maildrop.
222 # 4. if multiple choices exist (like procmail and maildrop), fetchmail
223 # cannot tell which one it should choose. Say, your MTA is configured
224 # to use maildrop to deliver to user's mailboxes, if fetchmail then
225 # chooses procmail, this is plain wrong.
228 AC_PATH_PROG(procmail, procmail, "", $PATH:/usr/sbin)
229 AC_PATH_PROG(sendmail, sendmail, "", $PATH:/usr/sbin:/usr/lib)
230 AC_PATH_PROG(maildrop, maildrop, "", $PATH:/usr/local/bin)
232 ### use option --disable-fallback to disable fallback MDA
233 ### use option --enable-fallback=procmail or
234 ### --enable-fallback=sendmail to select
235 AC_ARG_ENABLE(fallback,
236 [ --enable-fallback=procmail enable procmail as fallback
237 --enable-fallback=sendmail enable /usr/sbin/sendmail as fallback
238 --enable-fallback=maildrop enable maildrop as fallback
239 --enable-fallback=no disable fallback],,[enable_fallback=no])
241 case "$enable_fallback" in
242 sendmail) if test -z "$sendmail" ; then
243 AC_MSG_ERROR([Sendmail selected as fallback, but not found])
246 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$sendmail -i %T", Fallback MTA to use if defined)
247 echo "Will use $sendmail as fallback MDA."
249 procmail) if test -z "$procmail" ; then
250 AC_MSG_ERROR([procmail selected as fallback, but not found])
253 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$procmail -d %T")
254 echo "Will use $procmail as fallback MDA."
256 maildrop) if test -z "$maildrop" ; then
257 AC_MSG_ERROR([maildrop selected as fallback, but not found])
260 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$maildrop -d %T")
261 echo "Will use $maildrop as fallback MDA."
263 no|unset) echo "Will not use a fallback MDA"
265 auto|yes|set) if test -n "$sendmail" ; then
266 AC_DEFINE_UNQUOTED(FALLBACK_MDA,"$sendmail -i %T")
267 echo "Will use $sendmail as fallback MDA."
269 echo "No fallback MDA available. procmail and maildrop are not eligible"
270 echo "for automatic fallback MDA configuration for reliability reasons."
273 *) AC_MSG_ERROR([unkown value for --enable-fallback given: $enable_fallback])
278 AC_CHECK_SIZEOF(short)
280 AC_CHECK_SIZEOF(long)
282 ### use option --enable-POP2 to compile in the POP2 support
284 [ --enable-POP2 compile in POP2 protocol support (obsolete)],
285 [with_POP2=$enableval],
287 test "$with_POP2" = "yes" && AC_DEFINE(POP2_ENABLE,1,Define if you want POP2 support compiled in)
289 ### use option --disable-POP3 to omit the POP3 support
291 [ --disable-POP3 don't compile in POP3 protocol support],
292 [with_POP3=$enableval],
294 test "$with_POP3" = "yes" && AC_DEFINE(POP3_ENABLE,1,Define if you want POP3 support compiled in)
296 ### use option --disable-IMAP to omit the IMAP support
298 [ --disable-IMAP don't compile in IMAP protocol support],
299 [with_IMAP=$enableval],
301 test "$with_IMAP" = "yes" && AC_DEFINE(IMAP_ENABLE,1,"Define if you want IMAP support compiled in")
303 ### use option --disable-ETRN to omit the ETRN support
305 [ --disable-ETRN don't compile in ETRN protocol support],
306 [with_ETRN=$enableval],
308 test "$with_ETRN" = "yes" && AC_DEFINE(ETRN_ENABLE,1,Define if you want ETRN support compiled in.)
310 ### use option --disable-ODMR to omit the ODMR support
312 [ --disable-ODMR don't compile in ODMR protocol support],
313 [with_ODMR=$enableval],
315 test "$with_ODMR" = "yes" && AC_DEFINE(ODMR_ENABLE,1,Define if you want ODMR support compiled in)
317 ### use option --enable-RPA to compile in the RPA support
319 [ --enable-RPA compile in RPA protocol support],
320 [with_RPA=$enableval],
322 test "$with_RPA" = "yes" && AC_DEFINE(RPA_ENABLE,1,Define if you want RPA support compiled in)
324 ### use option --enable-NTLM to compile in the NTLM support
326 [ --enable-NTLM compile in NTLM authentication support],
327 [with_NTLM=$enableval],
329 test "$with_NTLM" = "yes" && AC_DEFINE(NTLM_ENABLE,1,Define if you want NTLM authentication)
331 ### use option --enable-SDPS to compile in the SDPS support
333 [ --enable-SDPS compile in SDPS protocol support],
334 [with_SDPS=$enableval],
336 test "$with_SDPS" = "yes" && AC_DEFINE(SDPS_ENABLE,1,Define if you want SDPS support compiled in)
338 ### use option --enable-opie to compile in the OPIE support
340 [ --enable-opie support OTP through the OPIE library],
341 [ AC_CHECK_HEADER(opie.h,, [echo 'configure: cannot find <opie.h>, which is required for OPIE support.'; exit 1])
342 AC_CHECK_LIB(opie,opiegenerator,, [echo 'configure: cannot find libopie, which is required for OPIE support.'; exit 1])
343 with_opie=$enableval],
345 test "$with_opie" = "yes" && AC_DEFINE(OPIE_ENABLE,1,Define if you want OPIE support compiled in)
347 AC_SEARCH_LIBS(getaddrinfo, inet6, [AC_DEFINE(HAVE_GETADDRINFO,1,[define to 1 if you have the getaddrinfo function])])
348 AC_CHECK_FUNCS(getnameinfo)
350 # This version of the Kerberos 4 and 5 options addresses the follwing issues:
352 # * Build correctly under Heimdal kerberos if it is compiled with db2 and
353 # OpenSSL support (Debian's is)
354 # * Build the kerberos.c stuff (KPOP) only for kerberosIV, to avoid breakage.
355 # I don't know if this is 100% correct, but now at least IMAP and POP3
356 # behave the same way regarding kerberosV.
357 # * Build without any fuss for both kerberosIV and V at the same time.
358 # * Move all the kerberos header mess to kerberos.h, and #include that
359 # in driver.c and kerberos.c.
361 # Tested using the Heimdal Kerberos V libs, Kungliga Tekniska Högskolan (the
362 # Royal Institute of Technology in Stockholm, Sweden)'s kerberos IV libs, and
363 # the MIT reference implementation of KerberosV (all as packaged in Debian).
365 ### use option --with-kerberos5=DIR to point at a Kerberos 5 directory
366 ### make sure --with-ssl is run before --with-kerberos* !
367 AC_ARG_WITH(kerberos5,
368 [ --with-kerberos5=DIR point fetchmail compilation at a Kerberos 5
371 if test "$with_kerberos5" != "no"
373 # Check for a OpenBSD special case
374 if test "$with_kerberos5" = "yes" && ( test `uname` = "OpenBSD" )
376 AS_MESSAGE(checking kerberosV for OpenBSD...)
377 AC_DEFINE(HEIMDAL,1,Define if you have HEIMDAL kerberos 5)
378 AC_DEFINE(KERBEROS_V5,1,Define if you have Kerberos V5)
379 CEFLAGS="$CEFLAGS -I/usr/include/kerberosV"
380 LIBS="$LIBS -lasn1 -lkrb5 -lcom_err -lkafs"
381 elif krb5-config 2> /dev/null >/dev/null ; then
382 krb5_prefix=`krb5-config --prefix krb5`
383 AC_MSG_RESULT([krb5-config points to kerberosV under $krb5_prefix])
384 if test -f ${krb5_prefix}/include/et/com_err.h && \
385 ! test -f ${krb5_prefix}/include/com_err.h ; then
386 CEFLAGS="$CEFLAGS -I${krb5_prefix}/include/et"
389 CEFLAGS="$CEFLAGS `krb5-config --cflags krb5`"
390 LIBS="$LIBS `krb5-config --libs krb5`"
391 AC_DEFINE(KERBEROS_V5)
393 if test "$with_kerberos5" != "yes"
395 LDEFLAGS="$LDEFLAGS -L${with_kerberos5}/lib"
396 searchdirs="$with_kerberos5"
398 searchdirs="/usr/kerberos /usr/local/krb5 /usr/athena /usr"
401 for dir in $searchdirs
402 do AC_MSG_CHECKING([for Kerberos V in $dir])
403 if test -f "$dir/include/krb5.h"
406 if test -f "$dir/include/roken.h"
408 ac_krblibs="-lasn1 -lroken -lcom_err"
409 AC_MSG_RESULT([Heimdal found])
410 dnl Attempt to detect if we need to -ldb2 to link Heimdal
411 dnl we assume we do if it is available
412 AC_CHECK_LIB(db2, db_open, ac_krblibs="$ac_krblibs -ldb2", [],
414 AC_CHECK_LIB(des, des_string_to_key, libk5crypto=-ldes,
415 AC_CHECK_LIB(ssl, MD5_Init, [],
416 AC_MSG_ERROR([DES libraries not found. Try adding --with-ssl to enable OpenSSL support]),
417 ${LDEFLAGS} ${ac_krblibs}),
418 ${LDEFLAGS} ${ac_krblibs})
421 AC_MSG_RESULT([found])
422 ac_krblibs="-lcom_err"
424 krb5_des_string_to_key,
425 libk5crypto=-lcrypto,
426 AC_CHECK_LIB(k5crypto,
427 krb5_des_string_to_key,
428 libk5crypto=-lk5crypto,
429 AC_MSG_ERROR([Kerberos 5 DES libraries not found]),
430 ${LDEFLAGS} ${ac_krblibs}),
431 ${LDEFLAGS} ${ac_krblibs})
433 AC_CHECK_LIB(krb5, krb5_init_context,[],
435 ${LDEFLAGS} ${ac_krblibs})
436 AC_DEFINE(KERBEROS_V5)
437 test "$dir" != "/usr" && CEFLAGS="$CEFLAGS -I$dir/include"
438 LDEFLAGS="$LDEFLAGS -L$dir/lib"
439 LIBS="$LIBS $ac_krblibs $libk5crypto"
443 AC_MSG_RESULT([not found])
446 if test -z "$with_kerberos5" ; then
447 AC_MSG_ERROR([Kerberos 5 libraries not found])
451 ]) dnl --with-kerberos5=DIR
453 ### use option --with-kerberos=DIR to point at a Kerberos 4 directory
454 AC_ARG_WITH(kerberos,
455 [ --with-kerberos=DIR point fetchmail compilation at a Kerberos 4
458 if test "$with_kerberos" != "no"
460 # Check for a NetBSD/OpenBSD special case
461 if test "$with_kerberos" = "yes" && ( test `uname` = "NetBSD" || test `uname` = "OpenBSD" )
463 AS_MESSAGE(checking kerberosIV for `uname`...)
464 AC_DEFINE(KERBEROS_V4,1,Define if you have Kerberos V4)
465 CEFLAGS="$CEFLAGS -I/usr/include/kerberosIV"
466 LIBS="$LIBS -lkrb -ldes"
467 elif krb4-config 2> /dev/null >/dev/null ; then
468 krb4_prefix=`krb4-config --prefix`
469 AC_MSG_RESULT([krb4-config points to kerberosIV under $krb4_prefix])
471 CEFLAGS="$CEFLAGS `krb4-config --cflags`"
472 LIBS="$LIBS `krb4-config --libs`"
473 AC_DEFINE(KERBEROS_V4)
474 elif krb5-config 2> /dev/null >/dev/null ; then
475 krb4_prefix=`krb5-config --prefix krb4`
476 AC_MSG_RESULT([krb5-config points to kerberosIV under $krb4_prefix])
477 if test -f ${krb4_prefix}/include/kerberosIV/krb.h ; then
478 AC_DEFINE(KERBEROS_V4_V5,1,Define if you have Kerberos V4 headers under a kerberosIV directory)
481 CEFLAGS="$CEFLAGS `krb5-config --cflags krb4`"
482 LIBS="$LIBS `krb5-config --libs krb4`"
483 AC_DEFINE(KERBEROS_V4)
485 #we need to detect when we're building under a kerberosV compatibility
487 if test "$with_kerberos" != "yes" ; then
488 searchdirs="$with_kerberos"
490 searchdirs="$with_kerberos5 /usr/kerberos /usr/kerberosIV /usr/athena /usr"
493 ac_saveLDFLAGS="$LDFLAGS"
494 for dir in $searchdirs
496 AC_MSG_CHECKING([for Kerberos IV in $dir])
497 if test -f "$dir/include/krb.h" || test -f "$dir/include/krb4.h" \
498 || test -f "$dir/include/kerberosIV/krb.h"
500 AC_MSG_RESULT([found])
502 AC_MSG_RESULT([not found])
506 if test -f "$with_kerberos5/roken.h" ; then
507 AC_CHECK_LIB(45, krb_mk_req)
509 LDFLAGS="-L$dir/lib $ac_saveLDFLAGS"
510 AC_SEARCH_LIBS(des_string_to_key, [des425 des crypto], [], continue)
511 AC_SEARCH_LIBS(krb_realmofhost, [krb4 krb], [], continue)
513 if test -f "$dir/include/kerberosIV/krb.h" ; then
514 dir="$dir/include/kerberosIV"
518 AC_DEFINE(KERBEROS_V4)
519 test -f "$with_kerberos5/roken.h" && AC_DEFINE(HEIMDAL)
520 test "$dir" != "/usr/include" && CEFLAGS="$CEFLAGS -I$dir"
521 LDEFLAGS="$LDEFLAGS -L$with_kerberos/lib"
524 if test -z "$with_kerberos" ; then
525 AC_MSG_ERROR([Kerberos 4 libraries not found])
527 LDFLAGS="$ac_saveLDFLAGS"
530 ]) dnl --with-kerberos=DIR
532 ### use option --with-ssl to compile in the SSL support
534 [ --with-ssl=[DIR] enable SSL support using libraries in DIR],
537 test "$with_ssl" != "no" && AC_DEFINE(SSL_ENABLE,1,Define if you want SSL support compiled in)
539 if test "$with_ssl" = "yes"
541 # He didn't specify an SSL location. Let's look at some common
542 # directories where SSL has been found in the past and try and auto
543 # configure for SSL. OpenSSL determination will be made later.
544 # This will screw up if an OpenSSL install is located in a later
545 # directory than an older SSLeay install, but the user should fix that
546 # anyways and he can override on the configure line.
547 # Just testing for directories is not sufficient, /usr exists on
559 if test -r "$ac_dir/include/openssl/ssl.h" ; then
566 if test -n "$with_ssl" -a "$with_ssl" != "no"
568 # With the autoconfigure above, the only time this is going to be
569 # true is going to be when we could not find the headers. If they
570 # are not in system standard locations, we are going to be broken.
571 if test "$with_ssl" = "yes"
573 # Let's just define the standard location for the SSLeay root
574 with_ssl="/usr/local/ssl"
576 if test -r $with_ssl/include/openssl/ssl.h
578 ### ssl.h found under openssl. Use openssl configuration preferentially,
579 echo "Enabling OpenSSL support in $with_ssl"
580 test "$with_ssl" != "/usr" && CEFLAGS="$CEFLAGS -I$with_ssl/include"
581 ### In Red Hat 9, this file includes a reference to <krb5.h>, so we
582 ### force the Kerberos direcory onto the include path so it will build.
583 CEFLAGS="$CEFLAGS -I/usr/kerberos/include"
584 ### OpenBSD comes with ssl headers
586 AC_MSG_ERROR([SSL support enabled, but OpenSSL not found])
588 LDEFLAGS="$LDEFLAGS -L$with_ssl/lib"
589 LIBS="$LIBS -lssl -lcrypto"
590 AC_DEFINE(SSL_ENABLE)
592 echo 'Disabling SSL support...'
595 ### use option --with-socks=DIR to point at SOCKS library
597 [ --with-socks[=DIR] add built-in SOCKS firewall access],
599 if test "$with_socks" != no
601 if test "$with_socks" != yes
603 LDEFLAGS="$LDEFLAGS -L$with_socks"
605 AC_CHECK_LIB(socks, Rconnect,,
606 AC_MSG_ERROR([could not find libsocks which is needed for built-in SOCKS support]))
608 AC_DEFINE(HAVE_SOCKS,1,Define if you want built-in SOCKS support)
609 CEFLAGS="$CEFLAGS -Dconnect=Rconnect -Dgetsockname=Rgetsockname -Dbind=Rbind -Daccept=Raccept -Dlisten=Rlisten -Dselect=Rselect"
613 ### use option --with-socks5=DIR to point at SOCKS library
615 [ --with-socks5[=DIR] add built-in SOCKS5 firewall access],
617 if test "$with_socks5" != no
619 if test "$with_socks5" != yes
621 LDEFLAGS="$LDEFLAGS -L$with_socks5"
623 ac_savedLDFLAGS="$LDFLAGS"
624 LDFLAGS="$LDEFLAGS $LDFLAGS"
625 AC_CHECK_LIB(socks5, SOCKSconnect,,
626 AC_MSG_ERROR([could not find libsocks5 which is needed for built-in SOCKS5 support]))
627 AC_DEFINE(HAVE_SOCKS)
628 CEFLAGS="$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"
629 AC_CHECK_FUNC(SOCKSfclose, [CFLAGS="$CFLAGS -Dfclose=SOCKSfclose"])
630 LDFLAGS="$ac_savedLDFLAGS"
633 ACX_WHICH_GETHOSTBYNAME_R
635 ### use option --with-hesiod=DIR to point at a HESIOD directory
636 AC_ma_SEARCH_PACKAGE(hesiod, hesiod_getmailhost, /usr/athena /usr /usr/local,hesiod, hesiod.h)
638 ### use option --with-gssapi=DIR to compile in GSSAPI support
640 [ --with-gssapi[=DIR] compile in GSSAPI support using libraries in DIR],
642 if test "$with_gssapi" != "no"
644 if test "$with_gssapi" = "yes" -a -n "$with_kerberos5"
646 with_gssapi=$with_kerberos5
648 if test "$with_gssapi" != "yes" -a -n "$with_gssapi"
650 CFLAGS="$CFLAGS -I$with_gssapi/include"
651 LDFLAGS="$LDFLAGS -L$with_gssapi/lib"
654 AC_CHECK_LIB(gss, gss_check_version, LIBS="$LIBS -lgss", nogss=t)
657 if test -f "$with_gssapi/include/roken.h"
659 LIBS="$LIBS -lkrb5 -lasn1 -ldes -lroken -ldb -ldl"
660 AC_CHECK_LIB(gssapi, gss_init_sec_context,LIBS="$LIBS -lgssapi",
661 AC_MSG_ERROR([could not find libgssapi which is needed for GSSAPI support]), )
664 AC_CHECK_LIB(gssapi_krb5, gss_init_sec_context,LIBS="$LIBS -lgssapi_krb5",
665 AC_MSG_ERROR([could not find libgssapi_krb5 which is needed for GSSAPI support]), -lkrb5)
668 AC_DEFINE(GSSAPI,1,Define if you want GSSAPI authentication)
669 save_CPPFLAGS=$CPPFLAGS
670 CPPFLAGS="-I$with_gssapi/include"
671 AC_CHECK_HEADERS(gss.h gssapi.h gssapi/gssapi.h gssapi/gssapi_generic.h)
672 if test "$ac_cv_header_gssapi_h" = "yes"; then
673 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))
675 AC_EGREP_HEADER(GSS_C_NT_HOSTBASED_SERVICE, gssapi/gssapi.h, AC_DEFINE(HAVE_GSS_C_NT_HOSTBASED_SERVICE))
683 dnl ,------------------------------------------------------------------
684 dnl Check if we need TRIO
686 if test "$FORCE_TRIO" = "yes" ; then
688 ac_cv_func_vsnprintf=no
689 ac_cv_func_snprintf=no
691 if test "x$ac_cv_func_snprintf" != "xyes" ; then
692 AC_DEFINE(snprintf, trio_snprintf,
693 [Define to trio_snprintf if your system lacks snprintf])
696 if test "x$ac_cv_func_vsnprintf" != "xyes" ; then
697 AC_DEFINE(vsnprintf, trio_vsnprintf,
698 [Define to trio_vsnprintf if your system lacks vsnprintf])
701 AM_CONDITIONAL(NEED_TRIO, test "$needtrio" = 1)
703 dnl TRIO IEEE compiler option for Alpha
705 if test "$needtrio" = 1 ; then
706 AC_MSG_CHECKING(for IEEE compilation options)
707 AC_CACHE_VAL(ac_cv_ieee_option, [
709 #if !(defined(__alpha) && (defined(__DECC) || defined(__DECCXX) || (defined(__osf__) && defined(__LANGUAGE_C__))) && (defined(VMS) || defined(__VMS)))
710 # error "Option needed"
712 ],ac_cv_ieee_option="/IEEE_MODE=UNDERFLOW_TO_ZERO/FLOAT=IEEE",
714 #if !(defined(__alpha) && (defined(__DECC) || defined(__DECCXX) || (defined(__osf__) && defined(__LANGUAGE_C__))) && !(defined(VMS) || defined(__VMS)) && !defined(_CFE))
715 # error "Option needed"
717 ],ac_cv_ieee_option="-ieee",
719 #if !(defined(__alpha) && (defined(__GNUC__) && (defined(__osf__) || defined(__linux__))))
720 # error "Option needed"
722 ],ac_cv_ieee_option="-mieee",
723 ac_cv_ieee_option="none"
728 AC_MSG_RESULT($ac_cv_ieee_option)
729 if test $ac_cv_ieee_option != none; then
730 CFLAGS="${CFLAGS} ${ac_cv_ieee_option}"
733 dnl ----------------------------------------------------------------'
735 AC_CONFIG_FILES([Makefile m4/Makefile po/Makefile.in])
739 dnl comment-start: "dnl "
741 dnl comment-start-skip: "\\bdnl\\b\\s *"
742 dnl compile-command: "make configure config.h.in"