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-rc6])
9 AC_CONFIG_SRCDIR([fetchmail.h])
10 AC_CONFIG_HEADERS([config.h])
11 AC_CONFIG_LIBOBJ_DIR([.])
15 dnl we may need a newer automake version - the oldest tested is 1.7
17 AM_INIT_AUTOMAKE(1.5 foreign no-installinfo)
19 dnl the : states that python is optional
20 AM_PATH_PYTHON(2.0,,:)
25 AC_PROG_CPP dnl Later checks need this.
36 AC_CHECK_TYPE(u_int32_t,unsigned int)
37 AC_CHECK_HEADERS([unistd.h termios.h termio.h sgtty.h stdarg.h \
38 sys/itimer.h fcntl.h sys/fcntl.h memory.h sys/wait.h \
39 arpa/inet.h arpa/nameser.h netinet/in.h net/socket.h \
40 sys/select.h sys/socket.h sys/time.h langinfo.h])
41 AC_CHECK_HEADERS([resolv.h],,,[
42 #include <sys/types.h>
43 #ifdef HAVE_NETINET_IN_H
44 #include <netinet/in.h>
46 #ifdef HAVE_ARPA_NAMESER_H
47 #include <arpa/nameser.h>
51 AC_C_CONST dnl getopt needs this.
57 # Check for OS special cases
60 AC_MSG_NOTICE(found Darwin - Adding -DBIND_8_COMPAT to CFLAGS)
61 CPFLAGS="-DBIND_8_COMPAT"
63 # Check for FreeBSD special case: more libs needed
65 AC_MSG_NOTICE(found FreeBSD - Adding -lmd -lkvm -lcom_err to standard libraries)
66 LIBS="$LIBS -lmd -lkvm -lcom_err"
68 # Check for LynxOS special case: -lbsd needed (at least on 2.3.0) and -s
71 AC_MSG_NOTICE(found LynxOS - Adding -lbsd to standard libraries)
73 LDFLAGS=`echo $LDFLAGS | sed "s/-s //"`
74 AC_MSG_NOTICE(found LynxOS - Prepending standard include path to gcc flags)
75 CPFLAGS="-I/usr/include"
77 # Check for Rhapsody special case: it doesn't like -s
79 AC_MSG_NOTICE(found Rhapsody - Removing -s load flag)
80 LDFLAGS=`echo $LDFLAGS | sed "s/-s //"`
85 AM_GNU_GETTEXT([external], [need-ngettext])
86 AM_GNU_GETTEXT_VERSION(0.14.1)
89 # Under sysV68, socket and friends are provided by the C library.
90 # -linet does not provide socket, but causes multiple definition
91 # errors at link-time. It is thus better to only use the C library.
92 # So don't add -linet to the link list unless it's necessary
94 AC_MSG_RESULT(using libc's socket),
95 AC_CHECK_LIB(socket,socket)
96 AC_CHECK_LIB(inet,socket))
98 # The condition in this test copes with the presence of inet_addr in libc6.
99 AC_CHECK_FUNC(inet_addr,
100 AC_MSG_RESULT(using libc's inet_addr),
101 AC_CHECK_LIB(nsl,inet_addr))
103 dnl Port hack for Interactive UNIX System V/386 Release 3.2
104 AC_CHECK_LIB(cposix, strchr,
105 [DEFS="$DEFS -D_SYSV3"
106 LIBS="$LIBS -lcposix"])
108 dnl Port hack for Sparc/NetBSD-1.5
110 dnl NB: this has been disabled as it causes the unconditional
111 dnl addition of libintl to the build, which is both undesired
112 dnl and breaks on Solaris/Blastwave.org machines.
114 dnl AC_CHECK_LIB(intl, gettext,
115 dnl [LIBS="$LIBS -lintl"])
117 AC_REPLACE_FUNCS([strstr strcasecmp memmove stpcpy strlcpy strlcat])
119 AC_CHECK_FUNC(MD5Init, [],
120 [AC_LIBSOURCE(md5c.c)
121 EXTRAOBJ="$EXTRAOBJ md5c.\$(OBJEXT)"])
123 AC_CHECK_FUNC(getopt_long, [],
124 [AC_LIBSOURCES([getopt.c, getopt1.c])
125 EXTRAOBJ="$EXTRAOBJ getopt.\$(OBJEXT) getopt1.\$(OBJEXT)"])
131 AC_CHECK_FUNCS(tcsetattr stty setsid geteuid seteuid dnl
132 res_search strerror syslog snprintf vprintf vsnprintf vsyslog dnl
133 atexit inet_aton strftime setrlimit socketpair sigprocmask dnl
134 sigaction strdup setlocale)
136 # Under Red Hat 4.0 (and many other Linuxes) -lresolv is seriously flaky
137 # and breaks gethostbyname(2). It's better to use the bind stuff in the C
138 # library. So don't add -lresolv to the link list unless it's necessary
139 # (It will be necessary when using GNU libc6).
140 AC_CHECK_FUNC(res_search,
141 AC_MSG_RESULT(using libc's resolver functions),
142 AC_CHECK_LIB(resolv,res_search,
143 [AC_DEFINE(HAVE_RES_SEARCH) AC_MSG_RESULT(found resolver functions in libresolv); LIBS="$LIBS -lresolv"], AC_MSG_RESULT(no resolver calls found)))
145 dnl Check for libcrypt -- it may live in libc or libcrypt, as on IRIX
146 AC_CHECK_FUNC(crypt, , AC_CHECK_LIB(crypt,crypt))
148 dnl Check for RSA refersence library in case we're using SSL
149 AC_CHECK_LIB(rsaref, RSAPublicDecrypt)
151 dnl AC_FUNC_SETVBUF_REVERSED
153 dnl Check for usable void pointer type
154 AC_MSG_CHECKING(use of void pointer type)
155 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[char *p;
157 p = (char *) xmalloc(1);
158 ]])],[AC_DEFINE(HAVE_VOIDPOINTER,1,[Define if your C compiler allows void * as a function result]) AC_MSG_RESULT(yes)],[AC_MSG_RESULT(no)])
160 dnl Check for ANSI volatile
163 dnl Check out the wait reality. We have to assume sys/wait.h is present.
164 AC_CHECK_FUNCS(waitpid wait3)
165 AC_MSG_CHECKING(for union wait);
166 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
167 #include <sys/wait.h>]], [[union wait status; int pid; pid = wait (&status);
169 /* Some POSIXoid systems have both the new-style macros and the old
170 union wait type, and they do not work together. If union wait
171 conflicts with WEXITSTATUS et al, we don't want to use it at all. */
172 if (WEXITSTATUS (status) != 0) pid = -1;
175 /* Make sure union wait works with waitpid. */
176 pid = waitpid (-1, &status, 0);
178 ]])],[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)])
180 AC_MSG_CHECKING(sys_siglist declaration in signal.h or unistd.h)
181 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <signal.h>
182 /* NetBSD declares sys_siglist in <unistd.h>. */
185 #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)])
187 # Find the right directory to put the root-mode PID file in
188 for dir in "/var/run" "/etc"
195 AC_MSG_RESULT(root-mode pid file will go in $dir)
196 AC_DEFINE_UNQUOTED(PID_DIR, "$dir", directory for PID lock files)
198 # We may have a fallback MDA available in case the socket open to the
199 # local SMTP listener fails. Best to use procmail for this, as we know
200 # it won't try delivering through local SMTP and cause a mail loop.
201 # Sendmail without the -t option to use the message headers will work too,
202 # not just for sendmail itself but for workalikes like exim.
204 # Note1: A disadvantage of using procmail is that local alias expansion
205 # according to /etc/aliases won't get done if we fall back. This doesn't
206 # matter in single-drop mode.
208 # Note2: it would be a very bad idea to use any MDA that doesn't return
209 # a refuse-to-deliver status on disk- or process-table-full
210 # conditions; mail could get lost that way. Sendmail and all of the MDAs
211 # like exim that might be lurking under a sendmail alias) do the right
212 # thing in this circumstance. Matthias Andree warns that procmail does
215 # Note3: Defalt value of fallback is now off. Matthias writes:
217 # 1. there is no way to predict when the fallback is used. With some MTAs
218 # (such as those limiting load average), outer circumstances can cause
219 # the fallback to kick in.
221 # 2. the fallback changes fetchmail behaviour in unpredictable ways. It's
222 # not only about alias expansion, .forwards to special filters won't
223 # work, mail may end up in a different place (users claim "mail loss"
226 # 3. The claim procmail did the right thing with its exit codes is plain
227 # wrong. I've seen procmail exit with code 1 when it should have exited
228 # with code 75, like, configuration errors. Procmail is a dangerous
229 # beast and is best replaced by maildrop.
231 # 4. if multiple choices exist (like procmail and maildrop), fetchmail
232 # cannot tell which one it should choose. Say, your MTA is configured
233 # to use maildrop to deliver to user's mailboxes, if fetchmail then
234 # chooses procmail, this is plain wrong.
237 AC_PATH_PROG(procmail, procmail, "", $PATH:/usr/sbin)
238 AC_PATH_PROG(sendmail, sendmail, "", $PATH:/usr/sbin:/usr/lib)
239 AC_PATH_PROG(maildrop, maildrop, "", $PATH:/usr/local/bin)
241 ### use option --disable-fallback to disable fallback MDA
242 ### use option --enable-fallback=procmail or
243 ### --enable-fallback=sendmail to select
244 AC_ARG_ENABLE(fallback,
245 [ --enable-fallback=procmail enable procmail as fallback
246 --enable-fallback=sendmail enable /usr/sbin/sendmail as fallback
247 --enable-fallback=maildrop enable maildrop as fallback
248 --enable-fallback=no disable fallback],,[enable_fallback=no])
250 case "$enable_fallback" in
251 sendmail) if test -z "$sendmail" ; then
252 AC_MSG_ERROR([Sendmail selected as fallback, but not found])
255 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$sendmail -i %T", Fallback MTA to use if defined)
256 echo "Will use $sendmail as fallback MDA."
258 procmail) if test -z "$procmail" ; then
259 AC_MSG_ERROR([procmail selected as fallback, but not found])
262 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$procmail -d %T")
263 echo "Will use $procmail as fallback MDA."
265 maildrop) if test -z "$maildrop" ; then
266 AC_MSG_ERROR([maildrop selected as fallback, but not found])
269 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$maildrop -d %T")
270 echo "Will use $maildrop as fallback MDA."
272 no|unset) echo "Will not use a fallback MDA"
274 auto|yes|set) if test -n "$sendmail" ; then
275 AC_DEFINE_UNQUOTED(FALLBACK_MDA,"$sendmail -i %T")
276 echo "Will use $sendmail as fallback MDA."
278 echo "No fallback MDA available. procmail and maildrop are not eligible"
279 echo "for automatic fallback MDA configuration for reliability reasons."
282 *) AC_MSG_ERROR([unkown value for --enable-fallback given: $enable_fallback])
287 AC_CHECK_SIZEOF(short)
289 AC_CHECK_SIZEOF(long)
291 ### use option --enable-POP2 to compile in the POP2 support
293 [ --enable-POP2 compile in POP2 protocol support (obsolete)],
294 [with_POP2=$enableval],
296 test "$with_POP2" = "yes" && AC_DEFINE(POP2_ENABLE,1,Define if you want POP2 support compiled in)
298 ### use option --disable-POP3 to omit the POP3 support
300 [ --disable-POP3 don't compile in POP3 protocol support],
301 [with_POP3=$enableval],
303 test "$with_POP3" = "yes" && AC_DEFINE(POP3_ENABLE,1,Define if you want POP3 support compiled in)
305 ### use option --disable-IMAP to omit the IMAP support
307 [ --disable-IMAP don't compile in IMAP protocol support],
308 [with_IMAP=$enableval],
310 test "$with_IMAP" = "yes" && AC_DEFINE(IMAP_ENABLE,1,"Define if you want IMAP support compiled in")
312 ### use option --disable-ETRN to omit the ETRN support
314 [ --disable-ETRN don't compile in ETRN protocol support],
315 [with_ETRN=$enableval],
317 test "$with_ETRN" = "yes" && AC_DEFINE(ETRN_ENABLE,1,Define if you want ETRN support compiled in.)
319 ### use option --disable-ODMR to omit the ODMR support
321 [ --disable-ODMR don't compile in ODMR protocol support],
322 [with_ODMR=$enableval],
324 test "$with_ODMR" = "yes" && AC_DEFINE(ODMR_ENABLE,1,Define if you want ODMR support compiled in)
326 ### use option --enable-RPA to compile in the RPA support
328 [ --enable-RPA compile in RPA protocol support],
329 [with_RPA=$enableval],
331 test "$with_RPA" = "yes" && AC_DEFINE(RPA_ENABLE,1,Define if you want RPA support compiled in)
333 ### use option --enable-NTLM to compile in the NTLM support
335 [ --enable-NTLM compile in NTLM authentication support],
336 [with_NTLM=$enableval],
338 test "$with_NTLM" = "yes" && AC_DEFINE(NTLM_ENABLE,1,Define if you want NTLM authentication)
340 ### use option --enable-SDPS to compile in the SDPS support
342 [ --enable-SDPS compile in SDPS protocol support],
343 [with_SDPS=$enableval],
345 test "$with_SDPS" = "yes" && AC_DEFINE(SDPS_ENABLE,1,Define if you want SDPS support compiled in)
347 ### use option --enable-opie to compile in the OPIE support
349 [ --enable-opie support OTP through the OPIE library],
350 [ AC_CHECK_HEADER(opie.h,, [echo 'configure: cannot find <opie.h>, which is required for OPIE support.'; exit 1])
351 AC_CHECK_LIB(opie,opiegenerator,, [echo 'configure: cannot find libopie, which is required for OPIE support.'; exit 1])
352 with_opie=$enableval],
354 test "$with_opie" = "yes" && AC_DEFINE(OPIE_ENABLE,1,Define if you want OPIE support compiled in)
356 AC_SEARCH_LIBS(getaddrinfo, inet6, [AC_DEFINE(HAVE_GETADDRINFO,1,[define to 1 if you have the getaddrinfo function])])
357 AC_CHECK_FUNCS(getnameinfo)
359 # This version of the Kerberos 4 and 5 options addresses the follwing issues:
361 # * Build correctly under Heimdal kerberos if it is compiled with db2 and
362 # OpenSSL support (Debian's is)
363 # * Build the kerberos.c stuff (KPOP) only for kerberosIV, to avoid breakage.
364 # I don't know if this is 100% correct, but now at least IMAP and POP3
365 # behave the same way regarding kerberosV.
366 # * Build without any fuss for both kerberosIV and V at the same time.
367 # * Move all the kerberos header mess to kerberos.h, and #include that
368 # in driver.c and kerberos.c.
370 # Tested using the Heimdal Kerberos V libs, Kungliga Tekniska Högskolan (the
371 # Royal Institute of Technology in Stockholm, Sweden)'s kerberos IV libs, and
372 # the MIT reference implementation of KerberosV (all as packaged in Debian).
374 ### use option --with-kerberos5=DIR to point at a Kerberos 5 directory
375 ### make sure --with-ssl is run before --with-kerberos* !
376 AC_ARG_WITH(kerberos5,
377 [ --with-kerberos5=DIR point fetchmail compilation at a Kerberos 5
380 if test "$with_kerberos5" != "no"
382 # Check for a OpenBSD special case
383 if test "$with_kerberos5" = "yes" && ( test `uname` = "OpenBSD" )
385 AS_MESSAGE(checking kerberosV for OpenBSD...)
386 AC_DEFINE(HEIMDAL,1,Define if you have HEIMDAL kerberos 5)
387 AC_DEFINE(KERBEROS_V5,1,Define if you have Kerberos V5)
388 CEFLAGS="$CEFLAGS -I/usr/include/kerberosV"
389 LIBS="$LIBS -lasn1 -lkrb5 -lcom_err -lkafs"
390 elif krb5-config 2> /dev/null >/dev/null ; then
391 krb5_prefix=`krb5-config --prefix krb5`
392 AC_MSG_RESULT([krb5-config points to kerberosV under $krb5_prefix])
393 if test -f ${krb5_prefix}/include/et/com_err.h && \
394 ! test -f ${krb5_prefix}/include/com_err.h ; then
395 CEFLAGS="$CEFLAGS -I${krb5_prefix}/include/et"
398 CEFLAGS="$CEFLAGS `krb5-config --cflags krb5`"
399 LIBS="$LIBS `krb5-config --libs krb5`"
400 AC_DEFINE(KERBEROS_V5)
402 if test "$with_kerberos5" != "yes"
404 LDEFLAGS="$LDEFLAGS -L${with_kerberos5}/lib"
405 searchdirs="$with_kerberos5"
407 searchdirs="/usr/kerberos /usr/local/krb5 /usr/athena /usr"
410 for dir in $searchdirs
411 do AC_MSG_CHECKING([for Kerberos V in $dir])
412 if test -f "$dir/include/krb5.h"
415 if test -f "$dir/include/roken.h"
417 ac_krblibs="-lasn1 -lroken -lcom_err"
418 AC_MSG_RESULT([Heimdal found])
419 dnl Attempt to detect if we need to -ldb2 to link Heimdal
420 dnl we assume we do if it is available
421 AC_CHECK_LIB(db2, db_open, ac_krblibs="$ac_krblibs -ldb2", [],
423 AC_CHECK_LIB(des, des_string_to_key, libk5crypto=-ldes,
424 AC_CHECK_LIB(ssl, MD5_Init, [],
425 AC_MSG_ERROR([DES libraries not found. Try adding --with-ssl to enable OpenSSL support]),
426 ${LDEFLAGS} ${ac_krblibs}),
427 ${LDEFLAGS} ${ac_krblibs})
430 AC_MSG_RESULT([found])
431 ac_krblibs="-lcom_err"
433 krb5_des_string_to_key,
434 libk5crypto=-lcrypto,
435 AC_CHECK_LIB(k5crypto,
436 krb5_des_string_to_key,
437 libk5crypto=-lk5crypto,
438 AC_MSG_ERROR([Kerberos 5 DES libraries not found]),
439 ${LDEFLAGS} ${ac_krblibs}),
440 ${LDEFLAGS} ${ac_krblibs})
442 AC_CHECK_LIB(krb5, krb5_init_context,[],
444 ${LDEFLAGS} ${ac_krblibs})
445 AC_DEFINE(KERBEROS_V5)
446 test "$dir" != "/usr" && CEFLAGS="$CEFLAGS -I$dir/include"
447 LDEFLAGS="$LDEFLAGS -L$dir/lib"
448 LIBS="$LIBS $ac_krblibs $libk5crypto"
452 AC_MSG_RESULT([not found])
455 if test -z "$with_kerberos5" ; then
456 AC_MSG_ERROR([Kerberos 5 libraries not found])
460 ]) dnl --with-kerberos5=DIR
462 ### use option --with-kerberos=DIR to point at a Kerberos 4 directory
463 AC_ARG_WITH(kerberos,
464 [ --with-kerberos=DIR point fetchmail compilation at a Kerberos 4
467 if test "$with_kerberos" != "no"
469 # Check for a NetBSD/OpenBSD special case
470 if test "$with_kerberos" = "yes" && ( test `uname` = "NetBSD" || test `uname` = "OpenBSD" )
472 AS_MESSAGE(checking kerberosIV for `uname`...)
473 AC_DEFINE(KERBEROS_V4,1,Define if you have Kerberos V4)
474 CEFLAGS="$CEFLAGS -I/usr/include/kerberosIV"
475 LIBS="$LIBS -lkrb -ldes"
476 elif krb4-config 2> /dev/null >/dev/null ; then
477 krb4_prefix=`krb4-config --prefix`
478 AC_MSG_RESULT([krb4-config points to kerberosIV under $krb4_prefix])
480 CEFLAGS="$CEFLAGS `krb4-config --cflags`"
481 LIBS="$LIBS `krb4-config --libs`"
482 AC_DEFINE(KERBEROS_V4)
483 elif krb5-config 2> /dev/null >/dev/null ; then
484 krb4_prefix=`krb5-config --prefix krb4`
485 AC_MSG_RESULT([krb5-config points to kerberosIV under $krb4_prefix])
486 if test -f ${krb4_prefix}/include/kerberosIV/krb.h ; then
487 AC_DEFINE(KERBEROS_V4_V5,1,Define if you have Kerberos V4 headers under a kerberosIV directory)
490 CEFLAGS="$CEFLAGS `krb5-config --cflags krb4`"
491 LIBS="$LIBS `krb5-config --libs krb4`"
492 AC_DEFINE(KERBEROS_V4)
494 #we need to detect when we're building under a kerberosV compatibility
496 if test "$with_kerberos" != "yes" ; then
497 searchdirs="$with_kerberos"
499 searchdirs="$with_kerberos5 /usr/kerberos /usr/kerberosIV /usr/athena /usr"
502 ac_saveLDFLAGS="$LDFLAGS"
503 for dir in $searchdirs
505 AC_MSG_CHECKING([for Kerberos IV in $dir])
506 if test -f "$dir/include/krb.h" || test -f "$dir/include/krb4.h" \
507 || test -f "$dir/include/kerberosIV/krb.h"
509 AC_MSG_RESULT([found])
511 AC_MSG_RESULT([not found])
515 if test -f "$with_kerberos5/roken.h" ; then
516 AC_CHECK_LIB(45, krb_mk_req)
518 LDFLAGS="-L$dir/lib $ac_saveLDFLAGS"
519 if test `uname` = "FreeBSD"; then
520 AC_SEARCH_LIBS(_ossl_old_des_string_to_key, [des425 des crypto], [], continue)
522 AC_SEARCH_LIBS(des_string_to_key, [crypto], [], continue)
524 AC_SEARCH_LIBS(krb_realmofhost, [krb4 krb], [], continue)
526 if test -f "$dir/include/kerberosIV/krb.h" ; then
527 dir="$dir/include/kerberosIV"
531 AC_DEFINE(KERBEROS_V4)
532 test -f "$with_kerberos5/roken.h" && AC_DEFINE(HEIMDAL)
533 test "$dir" != "/usr/include" && CEFLAGS="$CEFLAGS -I$dir"
534 LDEFLAGS="$LDEFLAGS -L$with_kerberos/lib"
537 if test -z "$with_kerberos" ; then
538 AC_MSG_ERROR([Kerberos 4 libraries not found])
540 LDFLAGS="$ac_saveLDFLAGS"
543 ]) dnl --with-kerberos=DIR
545 ### use option --with-ssl to compile in the SSL support
547 [ --with-ssl=[DIR] enable SSL support using libraries in DIR],
550 test "$with_ssl" != "no" && AC_DEFINE(SSL_ENABLE,1,Define if you want SSL support compiled in)
552 if test "$with_ssl" = "yes"
554 # He didn't specify an SSL location. Let's look at some common
555 # directories where SSL has been found in the past and try and auto
556 # configure for SSL. OpenSSL determination will be made later.
557 # This will screw up if an OpenSSL install is located in a later
558 # directory than an older SSLeay install, but the user should fix that
559 # anyways and he can override on the configure line.
560 # Just testing for directories is not sufficient, /usr exists on
572 if test -r "$ac_dir/include/openssl/ssl.h" ; then
579 if test -n "$with_ssl" -a "$with_ssl" != "no"
581 # With the autoconfigure above, the only time this is going to be
582 # true is going to be when we could not find the headers. If they
583 # are not in system standard locations, we are going to be broken.
584 if test "$with_ssl" = "yes"
586 # Let's just define the standard location for the SSLeay root
587 with_ssl="/usr/local/ssl"
589 if test -r $with_ssl/include/openssl/ssl.h
591 ### ssl.h found under openssl. Use openssl configuration preferentially,
592 echo "Enabling OpenSSL support in $with_ssl"
593 test "$with_ssl" != "/usr" && CEFLAGS="$CEFLAGS -I$with_ssl/include"
594 ### In Red Hat 9, this file includes a reference to <krb5.h>, so we
595 ### force the Kerberos direcory onto the include path so it will build.
596 CEFLAGS="$CEFLAGS -I/usr/kerberos/include"
597 ### OpenBSD comes with ssl headers
599 AC_MSG_ERROR([SSL support enabled, but OpenSSL not found])
601 LDEFLAGS="$LDEFLAGS -L$with_ssl/lib"
602 LIBS="$LIBS -lssl -lcrypto"
603 dnl check if -ldl is needed
604 AC_MSG_CHECKING([for additional library dependencies of SSL])
607 for i in "" "-ldl" ; do
608 LIBS="$LDEFLAGS $save_LIBS $i"
609 AC_LINK_IFELSE([AC_LANG_PROGRAM(,[SSL_library_init()])],[found=1; break])
611 if test $found = 0 ; then
612 AC_MSG_RESULT([error])
613 AC_MSG_ERROR([cannot link with SSL - check config.log])
616 if test "$i" = "" ; then i="(none)" ; fi
618 dnl XXX FIXME: use pkg-config if available!
619 AC_DEFINE(SSL_ENABLE)
621 echo 'Disabling SSL support...'
624 ### use option --with-socks=DIR to point at SOCKS library
626 [ --with-socks[=DIR] add built-in SOCKS firewall access],
628 if test "$with_socks" != no
630 if test "$with_socks" != yes
632 LDEFLAGS="$LDEFLAGS -L$with_socks"
634 AC_CHECK_LIB(socks, Rconnect,,
635 AC_MSG_ERROR([could not find libsocks which is needed for built-in SOCKS support]))
637 AC_DEFINE(HAVE_SOCKS,1,Define if you want built-in SOCKS support)
638 CEFLAGS="$CEFLAGS -Dconnect=Rconnect -Dgetsockname=Rgetsockname -Dbind=Rbind -Daccept=Raccept -Dlisten=Rlisten -Dselect=Rselect"
642 ### use option --with-socks5=DIR to point at SOCKS library
644 [ --with-socks5[=DIR] add built-in SOCKS5 firewall access],
646 if test "$with_socks5" != no
648 if test "$with_socks5" != yes
650 LDEFLAGS="$LDEFLAGS -L$with_socks5"
652 ac_savedLDFLAGS="$LDFLAGS"
653 LDFLAGS="$LDEFLAGS $LDFLAGS"
654 AC_CHECK_LIB(socks5, SOCKSconnect,,
655 AC_MSG_ERROR([could not find libsocks5 which is needed for built-in SOCKS5 support]))
656 AC_DEFINE(HAVE_SOCKS)
657 CEFLAGS="$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"
658 AC_CHECK_FUNC(SOCKSfclose, [CFLAGS="$CFLAGS -Dfclose=SOCKSfclose"])
659 LDFLAGS="$ac_savedLDFLAGS"
662 ACX_WHICH_GETHOSTBYNAME_R
664 ### use option --with-hesiod=DIR to point at a HESIOD directory
665 AC_ma_SEARCH_PACKAGE(hesiod, hesiod_getmailhost, /usr/athena /usr /usr/local,hesiod, hesiod.h)
667 ### use option --with-gssapi=DIR to compile in GSSAPI support
669 [ --with-gssapi[=DIR] compile in GSSAPI support using libraries in DIR],
671 if test "$with_gssapi" != "no"
673 if test "$with_gssapi" = "yes" -a -n "$with_kerberos5"
675 with_gssapi=$with_kerberos5
677 if test "$with_gssapi" != "yes" -a -n "$with_gssapi"
679 CFLAGS="$CFLAGS -I$with_gssapi/include"
680 LDFLAGS="$LDFLAGS -L$with_gssapi/lib"
683 AC_CHECK_LIB(gss, gss_check_version, LIBS="$LIBS -lgss", nogss=t)
686 if test -f "$with_gssapi/include/roken.h"
688 LIBS="$LIBS -lkrb5 -lasn1 -ldes -lroken -ldb -ldl"
689 AC_CHECK_LIB(gssapi, gss_init_sec_context,LIBS="$LIBS -lgssapi",
690 AC_MSG_ERROR([could not find libgssapi which is needed for GSSAPI support]), )
693 AC_CHECK_LIB(gssapi_krb5, gss_init_sec_context,LIBS="$LIBS -lgssapi_krb5",
694 AC_MSG_ERROR([could not find libgssapi_krb5 which is needed for GSSAPI support]), -lkrb5)
697 AC_DEFINE(GSSAPI,1,Define if you want GSSAPI authentication)
698 save_CPPFLAGS=$CPPFLAGS
699 CPPFLAGS="-I$with_gssapi/include"
700 AC_CHECK_HEADERS(gss.h gssapi.h gssapi/gssapi.h gssapi/gssapi_generic.h)
701 if test "$ac_cv_header_gssapi_h" = "yes"; then
702 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))
704 AC_EGREP_HEADER(GSS_C_NT_HOSTBASED_SERVICE, gssapi/gssapi.h, AC_DEFINE(HAVE_GSS_C_NT_HOSTBASED_SERVICE))
712 dnl ,------------------------------------------------------------------
713 dnl Check if we need TRIO
715 if test "$FORCE_TRIO" = "yes" ; then
717 ac_cv_func_vsnprintf=no
718 ac_cv_func_snprintf=no
720 if test "x$ac_cv_func_snprintf" != "xyes" ; then
721 AC_DEFINE(snprintf, trio_snprintf,
722 [Define to trio_snprintf if your system lacks snprintf])
725 if test "x$ac_cv_func_vsnprintf" != "xyes" ; then
726 AC_DEFINE(vsnprintf, trio_vsnprintf,
727 [Define to trio_vsnprintf if your system lacks vsnprintf])
730 AM_CONDITIONAL(NEED_TRIO, test "$needtrio" = 1)
732 dnl TRIO IEEE compiler option for Alpha
734 if test "$needtrio" = 1 ; then
735 AC_MSG_CHECKING(for IEEE compilation options)
736 AC_CACHE_VAL(ac_cv_ieee_option, [
738 #if !(defined(__alpha) && (defined(__DECC) || defined(__DECCXX) || (defined(__osf__) && defined(__LANGUAGE_C__))) && (defined(VMS) || defined(__VMS)))
739 # error "Option needed"
741 ],ac_cv_ieee_option="/IEEE_MODE=UNDERFLOW_TO_ZERO/FLOAT=IEEE",
743 #if !(defined(__alpha) && (defined(__DECC) || defined(__DECCXX) || (defined(__osf__) && defined(__LANGUAGE_C__))) && !(defined(VMS) || defined(__VMS)) && !defined(_CFE))
744 # error "Option needed"
746 ],ac_cv_ieee_option="-ieee",
748 #if !(defined(__alpha) && (defined(__GNUC__) && (defined(__osf__) || defined(__linux__))))
749 # error "Option needed"
751 ],ac_cv_ieee_option="-mieee",
752 ac_cv_ieee_option="none"
757 AC_MSG_RESULT($ac_cv_ieee_option)
758 if test $ac_cv_ieee_option != none; then
759 CFLAGS="${CFLAGS} ${ac_cv_ieee_option}"
762 dnl ----------------------------------------------------------------'
764 AC_CONFIG_FILES([Makefile m4/Makefile po/Makefile.in])
768 dnl comment-start: "dnl "
770 dnl comment-start-skip: "\\bdnl\\b\\s *"
771 dnl compile-command: "make configure config.h.in"