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-pre9])
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)
16 dnl the : states that python is optional
17 AM_PATH_PYTHON(2.0,,:)
22 AC_PROG_CPP dnl Later checks need this.
33 AC_CHECK_HEADERS([unistd.h termios.h termio.h sgtty.h stdarg.h \
34 sys/itimer.h fcntl.h sys/fcntl.h memory.h sys/wait.h \
35 arpa/inet.h arpa/nameser.h netinet/in.h net/socket.h \
36 sys/select.h sys/socket.h sys/time.h langinfo.h])
37 AC_CHECK_HEADERS([resolv.h],,,[
38 #include <sys/types.h>
39 #ifdef HAVE_NETINET_IN_H
40 #include <netinet/in.h>
42 #ifdef HAVE_ARPA_NAMESER_H
43 #include <arpa/nameser.h>
47 AC_C_CONST dnl getopt needs this.
53 # Check for LynxOS special case: -lbsd needed (at least on 2.3.0) and -s
55 if test `uname` = "LynxOS"
57 echo "Adding -lbsd to standard libraries"
60 echo "Prepending standard include path to gcc flags"
61 CPFLAGS="-I/usr/include"
64 # Check for FreeBSD special case: more libs needed
65 if test `uname` = "FreeBSD"
67 echo "Adding -lmd -lkvm -lcom_err to standard libraries"
68 LIBS="$LIBS -lmd -lkvm -lcom_err"
71 # Check for Rhapsody special case: it doesn't like -s
72 if test `uname` = "Rhapsody"
74 echo "Removing -s load flag"
75 LDFLAGS=`echo $LDFLAGS | sed "s/-s //"`
79 AM_GNU_GETTEXT([external], [need-ngettext])
80 AM_GNU_GETTEXT_VERSION(0.14.1)
83 # Under sysV68, socket and friends are provided by the C library.
84 # -linet does not provide socket, but causes multiple definition
85 # errors at link-time. It is thus better to only use the C library.
86 # So don't add -linet to the link list unless it's necessary
88 AC_MSG_RESULT(using libc's socket),
89 AC_CHECK_LIB(socket,socket)
90 AC_CHECK_LIB(inet,socket))
92 # The condition in this test copes with the presence of inet_addr in libc6.
93 AC_CHECK_FUNC(inet_addr,
94 AC_MSG_RESULT(using libc's inet_addr),
95 AC_CHECK_LIB(nsl,inet_addr))
97 dnl Port hack for Interactive UNIX System V/386 Release 3.2
98 AC_CHECK_LIB(cposix, strchr,
99 [DEFS="$DEFS -D_SYSV3"
100 LIBS="$LIBS -lcposix"])
102 dnl Port hack for Sparc/NetBSD-1.5
103 AC_CHECK_LIB(intl, gettext,
104 [LIBS="$LIBS -lintl"])
106 AC_REPLACE_FUNCS([strstr strcasecmp memmove stpcpy strlcpy strlcat])
108 AC_CHECK_FUNC(MD5Init, [],
109 [AC_LIBSOURCE(md5c.c)
110 EXTRAOBJ="$EXTRAOBJ md5c.\$(OBJEXT)"])
112 AC_CHECK_FUNC(getopt_long, [],
113 [AC_LIBSOURCES([getopt.c, getopt1.c])
114 EXTRAOBJ="$EXTRAOBJ getopt.\$(OBJEXT) getopt1.\$(OBJEXT)"])
120 AC_CHECK_FUNCS(tcsetattr stty setsid geteuid seteuid gethostbyname \
121 res_search strerror syslog \
122 snprintf vprintf vsnprintf vsyslog \
123 atexit inet_aton strftime setrlimit socketpair sigprocmask sigaction \
126 # Under Red Hat 4.0 (and many other Linuxes) -lresolv is seriously flaky
127 # and breaks gethostbyname(2). It's better to use the bind stuff in the C
128 # library. So don't add -lresolv to the link list unless it's necessary
129 # (It will be necessary when using GNU libc6).
130 AC_CHECK_FUNC(res_search,
131 AC_MSG_RESULT(using libc's resolver functions),
132 AC_CHECK_LIB(resolv,res_search,
133 [AC_DEFINE(HAVE_RES_SEARCH) AC_MSG_RESULT(found resolver functions in libresolv); LIBS="$LIBS -lresolv"], AC_MSG_RESULT(no resolver calls found)))
135 dnl Check for libcrypt -- it may live in libc or libcrypt, as on IRIX
136 AC_CHECK_FUNC(crypt, , AC_CHECK_LIB(crypt,crypt))
138 dnl Check for RSA refersence library in case we're using SSL
139 AC_CHECK_LIB(rsaref, RSAPublicDecrypt)
141 dnl AC_FUNC_SETVBUF_REVERSED
143 dnl Check for usable void pointer type
144 AC_MSG_CHECKING(use of void pointer type)
145 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[char *p;
147 p = (char *) xmalloc(1);
148 ]])],[AC_DEFINE(HAVE_VOIDPOINTER,1,[Define if your C compiler allows void * as a function result]) AC_MSG_RESULT(yes)],[AC_MSG_RESULT(no)])
150 dnl Check for ANSI volatile
153 dnl Check out the wait reality. We have to assume sys/wait.h is present.
154 AC_CHECK_FUNCS(waitpid wait3)
155 AC_MSG_CHECKING(for union wait);
156 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
157 #include <sys/wait.h>]], [[union wait status; int pid; pid = wait (&status);
159 /* Some POSIXoid systems have both the new-style macros and the old
160 union wait type, and they do not work together. If union wait
161 conflicts with WEXITSTATUS et al, we don't want to use it at all. */
162 if (WEXITSTATUS (status) != 0) pid = -1;
165 /* Make sure union wait works with waitpid. */
166 pid = waitpid (-1, &status, 0);
168 ]])],[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)])
170 AC_MSG_CHECKING(sys_siglist declaration in signal.h or unistd.h)
171 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <signal.h>
172 /* NetBSD declares sys_siglist in <unistd.h>. */
175 #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)])
177 # Find the right directory to put the root-mode PID file in
178 for dir in "/var/run" "/etc"
185 AC_MSG_RESULT(root-mode pid file will go in $dir)
186 AC_DEFINE_UNQUOTED(PID_DIR, "$dir", directory for PID lock files)
188 # We may have a fallback MDA available in case the socket open to the
189 # local SMTP listener fails. Best to use procmail for this, as we know
190 # it won't try delivering through local SMTP and cause a mail loop.
191 # Sendmail without the -t option to use the message headers will work too,
192 # not just for sendmail itself but for workalikes like exim.
194 # Note1: A disadvantage of using procmail is that local alias expansion
195 # according to /etc/aliases won't get done if we fall back. This doesn't
196 # matter in single-drop mode.
198 # Note2: it would be a very bad idea to use any MDA that doesn't return
199 # a refuse-to-deliver status on disk- or process-table-full
200 # conditions; mail could get lost that way. Sendmail and all of the MDAs
201 # like exim that might be lurking under a sendmail alias) do the right
202 # thing in this circumstance. Matthias Andree warns that procmail does
205 # Note3: Defalt value of fallback is now off. Matthias writes:
207 # 1. there is no way to predict when the fallback is used. With some MTAs
208 # (such as those limiting load average), outer circumstances can cause
209 # the fallback to kick in.
211 # 2. the fallback changes fetchmail behaviour in unpredictable ways. It's
212 # not only about alias expansion, .forwards to special filters won't
213 # work, mail may end up in a different place (users claim "mail loss"
216 # 3. The claim procmail did the right thing with its exit codes is plain
217 # wrong. I've seen procmail exit with code 1 when it should have exited
218 # with code 75, like, configuration errors. Procmail is a dangerous
219 # beast and is best replaced by maildrop.
221 # 4. if multiple choices exist (like procmail and maildrop), fetchmail
222 # cannot tell which one it should choose. Say, your MTA is configured
223 # to use maildrop to deliver to user's mailboxes, if fetchmail then
224 # chooses procmail, this is plain wrong.
227 AC_PATH_PROG(procmail, procmail, "", $PATH:/usr/sbin)
228 AC_PATH_PROG(sendmail, sendmail, "", $PATH:/usr/sbin:/usr/lib)
229 AC_PATH_PROG(maildrop, maildrop, "", $PATH:/usr/local/bin)
231 ### use option --disable-fallback to disable fallback MDA
232 ### use option --enable-fallback=procmail or
233 ### --enable-fallback=sendmail to select
234 AC_ARG_ENABLE(fallback,
235 [ --enable-fallback=procmail enable procmail as fallback
236 --enable-fallback=sendmail enable /usr/sbin/sendmail as fallback
237 --enable-fallback=maildrop enable maildrop as fallback
238 --enable-fallback=no disable fallback],,[enable_fallback=no])
240 case "$enable_fallback" in
241 sendmail) if test -z "$sendmail" ; then
242 AC_MSG_ERROR([Sendmail selected as fallback, but not found])
245 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$sendmail -i %T", Fallback MTA to use if defined)
246 echo "Will use $sendmail as fallback MDA."
248 procmail) if test -z "$procmail" ; then
249 AC_MSG_ERROR([procmail selected as fallback, but not found])
252 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$procmail -d %T")
253 echo "Will use $procmail as fallback MDA."
255 maildrop) if test -z "$maildrop" ; then
256 AC_MSG_ERROR([maildrop selected as fallback, but not found])
259 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$maildrop -d %T")
260 echo "Will use $maildrop as fallback MDA."
262 no|unset) echo "Will not use a fallback MDA"
264 auto|yes|set) if test -n "$sendmail" ; then
265 AC_DEFINE_UNQUOTED(FALLBACK_MDA,"$sendmail -i %T")
266 echo "Will use $sendmail as fallback MDA."
268 echo "No fallback MDA available. procmail and maildrop are not eligible"
269 echo "for automatic fallback MDA configuration for reliability reasons."
272 *) AC_MSG_ERROR([unkown value for --enable-fallback given: $enable_fallback])
277 AC_CHECK_SIZEOF(short)
279 AC_CHECK_SIZEOF(long)
281 ### use option --enable-POP2 to compile in the POP2 support
283 [ --enable-POP2 compile in POP2 protocol support (obsolete)],
284 [with_POP2=$enableval],
286 test "$with_POP2" = "yes" && AC_DEFINE(POP2_ENABLE,1,Define if you want POP2 support compiled in)
288 ### use option --disable-POP3 to omit the POP3 support
290 [ --disable-POP3 don't compile in POP3 protocol support],
291 [with_POP3=$enableval],
293 test "$with_POP3" = "yes" && AC_DEFINE(POP3_ENABLE,1,Define if you want POP3 support compiled in)
295 ### use option --disable-IMAP to omit the IMAP support
297 [ --disable-IMAP don't compile in IMAP protocol support],
298 [with_IMAP=$enableval],
300 test "$with_IMAP" = "yes" && AC_DEFINE(IMAP_ENABLE,1,"Define if you want IMAP support compiled in")
302 ### use option --disable-ETRN to omit the ETRN support
304 [ --disable-ETRN don't compile in ETRN protocol support],
305 [with_ETRN=$enableval],
307 test "$with_ETRN" = "yes" && AC_DEFINE(ETRN_ENABLE,1,Define if you want ETRN support compiled in.)
309 ### use option --disable-ODMR to omit the ODMR support
311 [ --disable-ODMR don't compile in ODMR protocol support],
312 [with_ODMR=$enableval],
314 test "$with_ODMR" = "yes" && AC_DEFINE(ODMR_ENABLE,1,Define if you want ODMR support compiled in)
316 ### use option --enable-RPA to compile in the RPA support
318 [ --enable-RPA compile in RPA protocol support],
319 [with_RPA=$enableval],
321 test "$with_RPA" = "yes" && AC_DEFINE(RPA_ENABLE,1,Define if you want RPA support compiled in)
323 ### use option --enable-NTLM to compile in the NTLM support
325 [ --enable-NTLM compile in NTLM authentication support],
326 [with_NTLM=$enableval],
328 test "$with_NTLM" = "yes" && AC_DEFINE(NTLM_ENABLE,1,Define if you want NTLM authentication)
330 ### use option --enable-SDPS to compile in the SDPS support
332 [ --enable-SDPS compile in SDPS protocol support],
333 [with_SDPS=$enableval],
335 test "$with_SDPS" = "yes" && AC_DEFINE(SDPS_ENABLE,1,Define if you want SDPS support compiled in)
337 ### use option --enable-opie to compile in the OPIE support
339 [ --enable-opie support OTP through the OPIE library],
340 [ AC_CHECK_HEADER(opie.h,, [echo 'configure: cannot find <opie.h>, which is required for OPIE support.'; exit 1])
341 AC_CHECK_LIB(opie,opiegenerator,, [echo 'configure: cannot find libopie, which is required for OPIE support.'; exit 1])
342 with_opie=$enableval],
344 test "$with_opie" = "yes" && AC_DEFINE(OPIE_ENABLE,1,Define if you want OPIE support compiled in)
347 [ --enable-inet6 support IPv6],
349 [ AC_CHECK_FUNC(getaddrinfo, [with_inet6=yes],
350 [ LDFLAGS="$LDFLAGS -L/usr/inet6/lib";
351 AC_CHECK_LIB(inet6, getaddrinfo, [with_inet6=yes
352 LIBS="$LIBS -linet6"],
353 [ echo 'configure: cannot find proper glibc version or libinet6,';
354 echo ' which is required for IPv6 support.';
357 test "$with_inet6" = "yes" && AC_DEFINE(INET6_ENABLE,1,Define if you want IPv6 support compiled in)
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 $ac_saveLDFLAGS"
519 AC_SEARCH_LIBS(des_string_to_key, [des425 des crypto], [], continue)
520 AC_SEARCH_LIBS(krb_realmofhost, [krb4 krb], [], continue)
522 if test -f "$dir/include/kerberosIV/krb.h" ; then
523 dir="$dir/include/kerberosIV"
527 AC_DEFINE(KERBEROS_V4)
528 test -f "$with_kerberos5/roken.h" && AC_DEFINE(HEIMDAL)
529 test "$dir" != "/usr/include" && CEFLAGS="$CEFLAGS -I$dir"
530 LDEFLAGS="$LDEFLAGS -L$with_kerberos/lib"
533 if test -z "$with_kerberos" ; then
534 AC_MSG_ERROR([Kerberos 4 libraries not found])
536 LDFLAGS="$ac_saveLDFLAGS"
539 ]) dnl --with-kerberos=DIR
541 ### use option --with-ssl to compile in the SSL support
543 [ --with-ssl=[DIR] enable SSL support using libraries in DIR],
546 test "$with_ssl" != "no" && AC_DEFINE(SSL_ENABLE,1,Define if you want SSL support compiled in)
548 if test "$with_ssl" = "yes"
550 # He didn't specify an SSL location. Let's look at some common
551 # directories where SSL has been found in the past and try and auto
552 # configure for SSL. OpenSSL determination will be made later.
553 # This will screw up if an OpenSSL install is located in a later
554 # directory than an older SSLeay install, but the user should fix that
555 # anyways and he can override on the configure line.
556 # Just testing for directories is not sufficient, /usr exists on
568 if test -r "$ac_dir/include/openssl/ssl.h" ; then
575 if test -n "$with_ssl" -a "$with_ssl" != "no"
577 # With the autoconfigure above, the only time this is going to be
578 # true is going to be when we could not find the headers. If they
579 # are not in system standard locations, we are going to be broken.
580 if test "$with_ssl" = "yes"
582 # Let's just define the standard location for the SSLeay root
583 with_ssl="/usr/local/ssl"
585 if test -r $with_ssl/include/openssl/ssl.h
587 ### ssl.h found under openssl. Use openssl configuration preferentially,
588 echo "Enabling OpenSSL support in $with_ssl"
589 test "$with_ssl" != "/usr" && CEFLAGS="$CEFLAGS -I$with_ssl/include"
590 ### In Red Hat 9, this file includes a reference to <krb5.h>, so we
591 ### force the Kerberos direcory onto the include path so it will build.
592 CEFLAGS="$CEFLAGS -I/usr/kerberos/include"
593 ### OpenBSD comes with ssl headers
595 AC_MSG_ERROR([SSL support enabled, but OpenSSL not found])
597 LDEFLAGS="$LDEFLAGS -L$with_ssl/lib"
598 LIBS="$LIBS -lssl -lcrypto"
599 AC_DEFINE(SSL_ENABLE)
601 echo 'Disabling SSL support...'
604 ### use option --with-socks=DIR to point at SOCKS library
606 [ --with-socks[=DIR] add built-in SOCKS firewall access],
608 if test "$with_socks" != no
610 if test "$with_socks" != yes
612 LDEFLAGS="$LDEFLAGS -L$with_socks"
614 AC_CHECK_LIB(socks, Rconnect,,
615 AC_MSG_ERROR([could not find libsocks which is needed for built-in SOCKS support]))
617 AC_DEFINE(HAVE_SOCKS,1,Define if you want built-in SOCKS support)
618 CEFLAGS="$CEFLAGS -Dconnect=Rconnect -Dgetsockname=Rgetsockname -Dbind=Rbind -Daccept=Raccept -Dlisten=Rlisten -Dselect=Rselect"
622 ### use option --with-socks5=DIR to point at SOCKS library
624 [ --with-socks5[=DIR] add built-in SOCKS5 firewall access],
626 if test "$with_socks5" != no
628 if test "$with_socks5" != yes
630 LDEFLAGS="$LDEFLAGS -L$with_socks5"
632 ac_savedLDFLAGS="$LDFLAGS"
633 LDFLAGS="$LDEFLAGS $LDFLAGS"
634 AC_CHECK_LIB(socks5, SOCKSconnect,,
635 AC_MSG_ERROR([could not find libsocks5 which is needed for built-in SOCKS5 support]))
636 AC_DEFINE(HAVE_SOCKS)
637 CEFLAGS="$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"
638 AC_CHECK_FUNC(SOCKSfclose, [CFLAGS="$CFLAGS -Dfclose=SOCKSfclose"])
639 LDFLAGS="$ac_savedLDFLAGS"
642 ### use option --with-hesiod=DIR to point at a HESIOD directory
643 AC_ma_SEARCH_PACKAGE(hesiod, hesiod_getmailhost, /usr/athena /usr /usr/local,hesiod, hesiod.h)
645 ### use option --with-gssapi=DIR to compile in GSSAPI support
647 [ --with-gssapi[=DIR] compile in GSSAPI support using libraries in DIR],
649 if test "$with_gssapi" != "no"
651 if test "$with_gssapi" = "yes" -a -n "$with_kerberos5"
653 with_gssapi=$with_kerberos5
655 if test "$with_gssapi" != "yes" -a -n "$with_gssapi"
657 CFLAGS="$CFLAGS -I$with_gssapi/include"
658 LDFLAGS="$LDFLAGS -L$with_gssapi/lib"
661 AC_CHECK_LIB(gss, gss_check_version, LIBS="$LIBS -lgss", nogss=t)
664 if test -f "$with_gssapi/include/roken.h"
666 LIBS="$LIBS -lkrb5 -lasn1 -ldes -lroken -ldb -ldl"
667 AC_CHECK_LIB(gssapi, gss_init_sec_context,LIBS="$LIBS -lgssapi",
668 AC_MSG_ERROR([could not find libgssapi which is needed for GSSAPI support]), )
671 AC_CHECK_LIB(gssapi_krb5, gss_init_sec_context,LIBS="$LIBS -lgssapi_krb5",
672 AC_MSG_ERROR([could not find libgssapi_krb5 which is needed for GSSAPI support]), -lkrb5)
675 AC_DEFINE(GSSAPI,1,Define if you want GSSAPI authentication)
676 save_CPPFLAGS=$CPPFLAGS
677 CPPFLAGS="-I$with_gssapi/include"
678 AC_CHECK_HEADERS(gss.h gssapi.h gssapi/gssapi.h gssapi/gssapi_generic.h)
679 if test "$ac_cv_header_gssapi_h" = "yes"; then
680 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))
682 AC_EGREP_HEADER(GSS_C_NT_HOSTBASED_SERVICE, gssapi/gssapi.h, AC_DEFINE(HAVE_GSS_C_NT_HOSTBASED_SERVICE))
690 dnl ,------------------------------------------------------------------
691 dnl Check if we need TRIO
693 if test "$FORCE_TRIO" = "yes" ; then
695 ac_cv_func_vsnprintf=no
696 ac_cv_func_snprintf=no
698 if test "x$ac_cv_func_snprintf" != "xyes" ; then
699 AC_DEFINE(snprintf, trio_snprintf,
700 [Define to trio_snprintf if your system lacks snprintf])
703 if test "x$ac_cv_func_vsnprintf" != "xyes" ; then
704 AC_DEFINE(vsnprintf, trio_vsnprintf,
705 [Define to trio_vsnprintf if your system lacks vsnprintf])
708 AM_CONDITIONAL(NEED_TRIO, test "$needtrio" = 1)
710 dnl TRIO IEEE compiler option for Alpha
712 if test "$needtrio" = 1 ; then
713 AC_MSG_CHECKING(for IEEE compilation options)
714 AC_CACHE_VAL(ac_cv_ieee_option, [
716 #if !(defined(__alpha) && (defined(__DECC) || defined(__DECCXX) || (defined(__osf__) && defined(__LANGUAGE_C__))) && (defined(VMS) || defined(__VMS)))
717 # error "Option needed"
719 ],ac_cv_ieee_option="/IEEE_MODE=UNDERFLOW_TO_ZERO/FLOAT=IEEE",
721 #if !(defined(__alpha) && (defined(__DECC) || defined(__DECCXX) || (defined(__osf__) && defined(__LANGUAGE_C__))) && !(defined(VMS) || defined(__VMS)) && !defined(_CFE))
722 # error "Option needed"
724 ],ac_cv_ieee_option="-ieee",
726 #if !(defined(__alpha) && (defined(__GNUC__) && (defined(__osf__) || defined(__linux__))))
727 # error "Option needed"
729 ],ac_cv_ieee_option="-mieee",
730 ac_cv_ieee_option="none"
735 AC_MSG_RESULT($ac_cv_ieee_option)
736 if test $ac_cv_ieee_option != none; then
737 CFLAGS="${CFLAGS} ${ac_cv_ieee_option}"
740 dnl ----------------------------------------------------------------'
742 AC_CONFIG_FILES([Makefile m4/Makefile po/Makefile.in])
746 dnl comment-start: "dnl "
748 dnl comment-start-skip: "\\bdnl\\b\\s *"
749 dnl compile-command: "make configure config.h.in"