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-rc7])
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 "$with_opie" = "yes" && AC_DEFINE(OPIE_ENABLE,1,Define if you want OPIE support compiled in)
356 AC_SEARCH_LIBS(getaddrinfo, inet6, [AC_DEFINE(HAVE_GETADDRINFO,1,[define to 1 if you have the getaddrinfo function])])
357 AC_CHECK_FUNCS(getnameinfo)
359 # This version of the Kerberos 4 and 5 options addresses the follwing issues:
361 # * Build correctly under Heimdal kerberos if it is compiled with db2 and
362 # OpenSSL support (Debian's is)
363 # * Build the kerberos.c stuff (KPOP) only for kerberosIV, to avoid breakage.
364 # I don't know if this is 100% correct, but now at least IMAP and POP3
365 # behave the same way regarding kerberosV.
366 # * Build without any fuss for both kerberosIV and V at the same time.
367 # * Move all the kerberos header mess to kerberos.h, and #include that
368 # in driver.c and kerberos.c.
370 # Tested using the Heimdal Kerberos V libs, Kungliga Tekniska Högskolan (the
371 # Royal Institute of Technology in Stockholm, Sweden)'s kerberos IV libs, and
372 # the MIT reference implementation of KerberosV (all as packaged in Debian).
374 ### use option --with-kerberos5=DIR to point at a Kerberos 5 directory
375 ### make sure --with-ssl is run before --with-kerberos* !
376 AC_ARG_WITH(kerberos5,
377 [ --with-kerberos5=DIR point fetchmail compilation at a Kerberos 5 directory],
379 if test "$with_kerberos5" != "no"
381 # Check for a OpenBSD special case
382 if test "$with_kerberos5" = "yes" && ( test `uname` = "OpenBSD" )
384 AS_MESSAGE(checking kerberosV for OpenBSD...)
385 AC_DEFINE(HEIMDAL,1,Define if you have HEIMDAL kerberos 5)
386 AC_DEFINE(KERBEROS_V5,1,Define if you have Kerberos V5)
387 CEFLAGS="$CEFLAGS -I/usr/include/kerberosV"
388 LIBS="$LIBS -lasn1 -lkrb5 -lcom_err -lkafs"
389 elif krb5-config 2> /dev/null >/dev/null ; then
390 krb5_prefix=`krb5-config --prefix krb5`
391 AC_MSG_RESULT([krb5-config points to kerberosV under $krb5_prefix])
392 if test -f ${krb5_prefix}/include/et/com_err.h && \
393 ! test -f ${krb5_prefix}/include/com_err.h ; then
394 CEFLAGS="$CEFLAGS -I${krb5_prefix}/include/et"
397 CEFLAGS="$CEFLAGS `krb5-config --cflags krb5`"
398 LIBS="$LIBS `krb5-config --libs krb5`"
399 AC_DEFINE(KERBEROS_V5)
401 if test "$with_kerberos5" != "yes"
403 LDEFLAGS="$LDEFLAGS -L${with_kerberos5}/lib"
404 searchdirs="$with_kerberos5"
406 searchdirs="/usr/kerberos /usr/local/krb5 /usr/athena /usr"
409 for dir in $searchdirs
410 do AC_MSG_CHECKING([for Kerberos V in $dir])
411 if test -f "$dir/include/krb5.h"
414 if test -f "$dir/include/roken.h"
416 ac_krblibs="-lasn1 -lroken -lcom_err"
417 AC_MSG_RESULT([Heimdal found])
418 dnl Attempt to detect if we need to -ldb2 to link Heimdal
419 dnl we assume we do if it is available
420 AC_CHECK_LIB(db2, db_open, ac_krblibs="$ac_krblibs -ldb2", [],
422 AC_CHECK_LIB(des, des_string_to_key, libk5crypto=-ldes,
423 AC_CHECK_LIB(ssl, MD5_Init, [],
424 AC_MSG_ERROR([DES libraries not found. Try adding --with-ssl to enable OpenSSL support]),
425 ${LDEFLAGS} ${ac_krblibs}),
426 ${LDEFLAGS} ${ac_krblibs})
429 AC_MSG_RESULT([found])
430 ac_krblibs="-lcom_err"
432 krb5_des_string_to_key,
433 libk5crypto=-lcrypto,
434 AC_CHECK_LIB(k5crypto,
435 krb5_des_string_to_key,
436 libk5crypto=-lk5crypto,
437 AC_MSG_ERROR([Kerberos 5 DES libraries not found]),
438 ${LDEFLAGS} ${ac_krblibs}),
439 ${LDEFLAGS} ${ac_krblibs})
441 AC_CHECK_LIB(krb5, krb5_init_context,[],
443 ${LDEFLAGS} ${ac_krblibs})
444 AC_DEFINE(KERBEROS_V5)
445 test "$dir" != "/usr" && CEFLAGS="$CEFLAGS -I$dir/include"
446 LDEFLAGS="$LDEFLAGS -L$dir/lib"
447 LIBS="$LIBS $ac_krblibs $libk5crypto"
451 AC_MSG_RESULT([not found])
454 if test -z "$with_kerberos5" ; then
455 AC_MSG_ERROR([Kerberos 5 libraries not found])
459 ]) dnl --with-kerberos5=DIR
461 ### use option --with-kerberos=DIR to point at a Kerberos 4 directory
462 AC_ARG_WITH(kerberos,
463 [ --with-kerberos=DIR point fetchmail compilation at a Kerberos 4 directory],
465 if test "$with_kerberos" != "no"
467 # Check for a NetBSD/OpenBSD special case
468 if test "$with_kerberos" = "yes" && ( test `uname` = "NetBSD" || test `uname` = "OpenBSD" )
470 AS_MESSAGE(checking kerberosIV for `uname`...)
471 AC_DEFINE(KERBEROS_V4,1,Define if you have Kerberos V4)
472 CEFLAGS="$CEFLAGS -I/usr/include/kerberosIV"
473 LIBS="$LIBS -lkrb -ldes"
474 elif krb4-config 2> /dev/null >/dev/null ; then
475 krb4_prefix=`krb4-config --prefix`
476 AC_MSG_RESULT([krb4-config points to kerberosIV under $krb4_prefix])
478 CEFLAGS="$CEFLAGS `krb4-config --cflags`"
479 LIBS="$LIBS `krb4-config --libs`"
480 AC_DEFINE(KERBEROS_V4)
481 elif krb5-config 2> /dev/null >/dev/null ; then
482 krb4_prefix=`krb5-config --prefix krb4`
483 AC_MSG_RESULT([krb5-config points to kerberosIV under $krb4_prefix])
484 if test -f ${krb4_prefix}/include/kerberosIV/krb.h ; then
485 AC_DEFINE(KERBEROS_V4_V5,1,Define if you have Kerberos V4 headers under a kerberosIV directory)
488 CEFLAGS="$CEFLAGS `krb5-config --cflags krb4`"
489 LIBS="$LIBS `krb5-config --libs krb4`"
490 AC_DEFINE(KERBEROS_V4)
492 #we need to detect when we're building under a kerberosV compatibility
494 if test "$with_kerberos" != "yes" ; then
495 searchdirs="$with_kerberos"
497 searchdirs="$with_kerberos5 /usr/kerberos /usr/kerberosIV /usr/athena /usr"
500 ac_saveLDFLAGS="$LDFLAGS"
501 for dir in $searchdirs
503 AC_MSG_CHECKING([for Kerberos IV in $dir])
504 if test -f "$dir/include/krb.h" || test -f "$dir/include/krb4.h" \
505 || test -f "$dir/include/kerberosIV/krb.h"
507 AC_MSG_RESULT([found])
509 AC_MSG_RESULT([not found])
513 if test -f "$with_kerberos5/roken.h" ; then
514 AC_CHECK_LIB(45, krb_mk_req)
516 LDFLAGS="-L$dir/lib $ac_saveLDFLAGS"
517 if test `uname` = "FreeBSD"; then
518 AC_SEARCH_LIBS(_ossl_old_des_string_to_key, [des425 des crypto], [], continue)
520 AC_SEARCH_LIBS(des_string_to_key, [crypto], [], continue)
522 AC_SEARCH_LIBS(krb_realmofhost, [krb4 krb], [], continue)
524 if test -f "$dir/include/kerberosIV/krb.h" ; then
525 dir="$dir/include/kerberosIV"
529 AC_DEFINE(KERBEROS_V4)
530 test -f "$with_kerberos5/roken.h" && AC_DEFINE(HEIMDAL)
531 test "$dir" != "/usr/include" && CEFLAGS="$CEFLAGS -I$dir"
532 LDEFLAGS="$LDEFLAGS -L$with_kerberos/lib"
535 if test -z "$with_kerberos" ; then
536 AC_MSG_ERROR([Kerberos 4 libraries not found])
538 LDFLAGS="$ac_saveLDFLAGS"
541 ]) dnl --with-kerberos=DIR
543 ### use option --with-ssl to compile in the SSL support
545 [ --with-ssl=[DIR] enable SSL support using libraries in DIR],
548 test "$with_ssl" != "no" && AC_DEFINE(SSL_ENABLE,1,Define if you want SSL support compiled in)
550 if test "$with_ssl" = "yes"
552 # He didn't specify an SSL location. Let's look at some common
553 # directories where SSL has been found in the past and try and auto
554 # configure for SSL. OpenSSL determination will be made later.
555 # This will screw up if an OpenSSL install is located in a later
556 # directory than an older SSLeay install, but the user should fix that
557 # anyways and he can override on the configure line.
558 # Just testing for directories is not sufficient, /usr exists on
570 if test -r "$ac_dir/include/openssl/ssl.h" ; then
577 if test -n "$with_ssl" -a "$with_ssl" != "no"
579 # With the autoconfigure above, the only time this is going to be
580 # true is going to be when we could not find the headers. If they
581 # are not in system standard locations, we are going to be broken.
582 if test "$with_ssl" = "yes"
584 # Let's just define the standard location for the SSLeay root
585 with_ssl="/usr/local/ssl"
587 if test -r $with_ssl/include/openssl/ssl.h
589 ### ssl.h found under openssl. Use openssl configuration preferentially,
590 echo "Enabling OpenSSL support in $with_ssl"
591 test "$with_ssl" != "/usr" && CEFLAGS="$CEFLAGS -I$with_ssl/include"
592 ### In Red Hat 9, this file includes a reference to <krb5.h>, so we
593 ### force the Kerberos direcory onto the include path so it will build.
594 CEFLAGS="$CEFLAGS -I/usr/kerberos/include"
595 ### OpenBSD comes with ssl headers
597 AC_MSG_ERROR([SSL support enabled, but OpenSSL not found])
599 LDEFLAGS="$LDEFLAGS -L$with_ssl/lib"
600 LIBS="$LIBS -lssl -lcrypto"
601 dnl check if -ldl is needed
602 AC_MSG_CHECKING([for additional library dependencies of SSL])
605 for i in "" "-ldl" ; do
606 LIBS="$LDEFLAGS $save_LIBS $i"
607 AC_LINK_IFELSE([AC_LANG_PROGRAM(,[SSL_library_init()])],[found=1; break])
609 if test $found = 0 ; then
610 AC_MSG_RESULT([error])
611 AC_MSG_ERROR([cannot link with SSL - check config.log])
614 if test "$i" = "" ; then i="(none)" ; fi
616 dnl XXX FIXME: use pkg-config if available!
617 AC_DEFINE(SSL_ENABLE)
619 echo 'Disabling SSL support...'
622 ### use option --with-socks=DIR to point at SOCKS library
624 [ --with-socks[=DIR] add built-in SOCKS firewall access],
626 if test "$with_socks" != no
628 if test "$with_socks" != yes
630 LDEFLAGS="$LDEFLAGS -L$with_socks"
632 AC_CHECK_LIB(socks, Rconnect,,
633 AC_MSG_ERROR([could not find libsocks which is needed for built-in SOCKS support]))
635 AC_DEFINE(HAVE_SOCKS,1,Define if you want built-in SOCKS support)
636 CEFLAGS="$CEFLAGS -Dconnect=Rconnect -Dgetsockname=Rgetsockname -Dbind=Rbind -Daccept=Raccept -Dlisten=Rlisten -Dselect=Rselect"
640 ### use option --with-socks5=DIR to point at SOCKS library
642 [ --with-socks5[=DIR] add built-in SOCKS5 firewall access],
644 if test "$with_socks5" != no
646 if test "$with_socks5" != yes
648 LDEFLAGS="$LDEFLAGS -L$with_socks5"
650 ac_savedLDFLAGS="$LDFLAGS"
651 LDFLAGS="$LDEFLAGS $LDFLAGS"
652 AC_CHECK_LIB(socks5, SOCKSconnect,,
653 AC_MSG_ERROR([could not find libsocks5 which is needed for built-in SOCKS5 support]))
654 AC_DEFINE(HAVE_SOCKS)
655 CEFLAGS="$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"
656 AC_CHECK_FUNC(SOCKSfclose, [CFLAGS="$CFLAGS -Dfclose=SOCKSfclose"])
657 LDFLAGS="$ac_savedLDFLAGS"
660 ACX_WHICH_GETHOSTBYNAME_R
662 ### use option --with-hesiod=DIR to point at a HESIOD directory
663 AC_ma_SEARCH_PACKAGE(hesiod, hesiod_getmailhost, /usr/athena /usr /usr/local,hesiod, hesiod.h)
665 ### use option --with-gssapi=DIR to compile in GSSAPI support
667 [ --with-gssapi[=DIR] compile in GSSAPI support using libraries in DIR],
669 if test "$with_gssapi" != "no"
671 if test "$with_gssapi" = "yes" -a -n "$with_kerberos5"
673 with_gssapi=$with_kerberos5
675 if test "$with_gssapi" != "yes" -a -n "$with_gssapi"
677 CFLAGS="$CFLAGS -I$with_gssapi/include"
678 LDFLAGS="$LDFLAGS -L$with_gssapi/lib"
681 AC_CHECK_LIB(gss, gss_check_version, LIBS="$LIBS -lgss", nogss=t)
684 if test -f "$with_gssapi/include/roken.h"
686 LIBS="$LIBS -lkrb5 -lasn1 -ldes -lroken -ldb -ldl"
687 AC_CHECK_LIB(gssapi, gss_init_sec_context,LIBS="$LIBS -lgssapi",
688 AC_MSG_ERROR([could not find libgssapi which is needed for GSSAPI support]), )
691 AC_CHECK_LIB(gssapi_krb5, gss_init_sec_context,LIBS="$LIBS -lgssapi_krb5",
692 AC_MSG_ERROR([could not find libgssapi_krb5 which is needed for GSSAPI support]), -lkrb5)
695 AC_DEFINE(GSSAPI,1,Define if you want GSSAPI authentication)
696 save_CPPFLAGS=$CPPFLAGS
697 CPPFLAGS="-I$with_gssapi/include"
698 AC_CHECK_HEADERS(gss.h gssapi.h gssapi/gssapi.h gssapi/gssapi_generic.h)
699 if test "$ac_cv_header_gssapi_h" = "yes"; then
700 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))
702 AC_EGREP_HEADER(GSS_C_NT_HOSTBASED_SERVICE, gssapi/gssapi.h, AC_DEFINE(HAVE_GSS_C_NT_HOSTBASED_SERVICE))
710 dnl ,------------------------------------------------------------------
711 dnl Check if we need TRIO
713 if test "$FORCE_TRIO" = "yes" ; then
715 ac_cv_func_vsnprintf=no
716 ac_cv_func_snprintf=no
718 if test "x$ac_cv_func_snprintf" != "xyes" ; then
719 AC_DEFINE(snprintf, trio_snprintf,
720 [Define to trio_snprintf if your system lacks snprintf])
723 if test "x$ac_cv_func_vsnprintf" != "xyes" ; then
724 AC_DEFINE(vsnprintf, trio_vsnprintf,
725 [Define to trio_vsnprintf if your system lacks vsnprintf])
728 AM_CONDITIONAL(NEED_TRIO, test "$needtrio" = 1)
730 dnl TRIO IEEE compiler option for Alpha
732 if test "$needtrio" = 1 ; then
733 AC_MSG_CHECKING(for IEEE compilation options)
734 AC_CACHE_VAL(ac_cv_ieee_option, [
736 #if !(defined(__alpha) && (defined(__DECC) || defined(__DECCXX) || (defined(__osf__) && defined(__LANGUAGE_C__))) && (defined(VMS) || defined(__VMS)))
737 # error "Option needed"
739 ],ac_cv_ieee_option="/IEEE_MODE=UNDERFLOW_TO_ZERO/FLOAT=IEEE",
741 #if !(defined(__alpha) && (defined(__DECC) || defined(__DECCXX) || (defined(__osf__) && defined(__LANGUAGE_C__))) && !(defined(VMS) || defined(__VMS)) && !defined(_CFE))
742 # error "Option needed"
744 ],ac_cv_ieee_option="-ieee",
746 #if !(defined(__alpha) && (defined(__GNUC__) && (defined(__osf__) || defined(__linux__))))
747 # error "Option needed"
749 ],ac_cv_ieee_option="-mieee",
750 ac_cv_ieee_option="none"
755 AC_MSG_RESULT($ac_cv_ieee_option)
756 if test $ac_cv_ieee_option != none; then
757 CFLAGS="${CFLAGS} ${ac_cv_ieee_option}"
760 dnl ----------------------------------------------------------------'
762 AC_CONFIG_FILES([Makefile m4/Makefile po/Makefile.in])
766 dnl comment-start: "dnl "
768 dnl comment-start-skip: "\\bdnl\\b\\s *"
769 dnl compile-command: "make configure config.h.in"