1 dnl $Id: configure.ac 3145 2007-01-25 06:45:04Z nenolod $
2 dnl Process this file with autoconf to produce a configure script.
4 dnl TODO: clean up all the OpenSSL and shared module checking stuff;
5 dnl the most major changes have already been made and it looks like
6 dnl said functions need to be just about as complex as they already are.
10 dnl Sneaky way to get an Id tag into the configure script
11 AC_COPYRIGHT([$Id: configure.ac 3145 2007-01-25 06:45:04Z nenolod $])
13 AC_INIT([charybdis],[2.2.0])
15 AC_CONFIG_HEADER(include/setup.h)
17 AC_PREFIX_DEFAULT($HOME/ircd)
22 dnl Checks for programs.
26 dnl Make sure autoconf doesn't interfere with cflags -jmallett
29 dnl Check for various compilers. -jmallett
30 dnl But if $CC turns out to be gcc, sure as hell it's, well, gcc. -joshk
32 if test "$ac_cv_c_compiler_gnu" != yes; then
35 AC_MSG_CHECKING($CC -version for TenDRA or MIPSpro)
36 case `$CC -version 2>&1` in
38 AC_MSG_RESULT([yes, TenDRA])
40 CPPFLAGS="$CPPFLAGS -Ylonglong -Yansi -I/usr/include"
45 AC_MSG_RESULT([yes, MIPSpro])
56 AC_MSG_CHECKING([$CC -V for Sun Workshop, Forte, HPUX or Tru64 cc])
58 *Sun*WorkShop* | *Forte*Developer*)
59 AC_MSG_RESULT(Sun Workshop/Forte)
60 IRC_CFLAGS="-fast -xinline=dlinkAdd,dlinkAddBefore,dlinkAddTail,dlinkDelete,dlink_list_length,dlink_node,dlinkMoveList,_MyMalloc,_MyRealloc,_MyFree,_DupString"
65 AC_MSG_RESULT(Tru64 cc)
67 CPPFLAGS="-I/usr/local/include"
71 AC_MSG_RESULT(HPUX cc)
82 AC_MSG_CHECKING([uname -s for Cygwin, Solaris, AIX or HPUX])
86 dnl only do this if we haven't already detected the newer one
87 dnl and we're not already using gcc
89 if test "$HPUX" != yes -a "$ac_cv_c_compiler_gnu" = no; then
90 AC_MSG_RESULT(assuming old HPUX with its own cc)
91 IRC_CFLAGS="$IRC_CFLAGS +e"
94 AC_MSG_RESULT(already using newer HPUX)
102 AC_MSG_RESULT(SunOS or Solaris)
103 AC_DEFINE(__EXTENSIONS__, 1, [This is needed to use strtok_r on Solaris.])
107 AC_MSG_RESULT(AIX - Sorry you poor bastard..really we are)
108 IRC_CFLAGS="$IRC_CFLAGS -Wl,-brtl -Wl,-G"
115 if test "$ac_cv_c_compiler_gnu" = yes; then
116 AC_MSG_CHECKING(if $CC is Apple GCC)
118 case `$CC -v 2>&1 | tail -n 1` in
129 IRC_CFLAGS="$IRC_CFLAGS -O0 -Wall"
132 dnl If we support -g, use it!
133 if test "$ac_cv_prog_cc_g" = yes; then
134 dnl Tru64 needs -g3 for -O2
135 if test "$Tru" = yes; then
136 IRC_CFLAGS="$IRC_CFLAGS -g3"
138 IRC_CFLAGS="$IRC_CFLAGS -g"
142 dnl SVR4 SGS based on what we know about the compiler -jmallett
143 AC_MSG_CHECKING(if $CC supports the SVR4 SGS interfaces)
144 if test "$SGS" = "yes"; then
150 dnl We prefer gcc -MM because it's a lot less bloated
151 AC_PATH_PROG(MKDEP, mkdep)
152 AC_PATH_PROG(MAKEDEPEND, makedepend)
154 AC_MSG_CHECKING(how to generate dependency info)
158 if test "$ac_cv_c_compiler_gnu" = yes; then
159 AC_MSG_RESULT(gcc -MM)
161 elif test ! -z "$MKDEP"; then
164 dnl Tru64's mkdep is very loud
165 if test -z "$Tru"; then
168 STDOUT=" 2> /dev/null"
170 elif test "$SunWorkShop" = yes; then
171 AC_MSG_RESULT($CC -xM)
173 STDOUT="> .depend 2> /dev/null"
174 elif test ! -z "$MAKEDEPEND"; then
175 AC_MSG_RESULT(makedepend)
176 MKDEP="$MAKEDEPEND -f-"
178 AC_MSG_RESULT([nothing suitable.. forget it!])
185 dnl check for /dev/null so we can use it to hold evil fd's
186 AC_MSG_CHECKING([for /dev/null])
187 if test -c /dev/null ; then
188 AC_DEFINE(PATH_DEVNULL, "/dev/null", [Path to /dev/null])
191 AC_DEFINE(PATH_DEVNULL, "devnull.log", [Path to /dev/null])
192 AC_MSG_RESULT(no - using devnull.log)
195 dnl jdc -- If CFLAGS is defined, best use it everywhere...
196 dnl NOTE: jv says it must be added to the *END*, because things like
197 dnl "gcc -O9 -O2" will result in -O2 getting preference. How stupid.
198 if test ! -z "$CFLAGS"; then
199 IRC_CFLAGS="$IRC_CFLAGS $CFLAGS"
204 AC_PROG_GCC_TRADITIONAL
211 AC_PATH_PROG(SED, sed)
214 AC_PATH_PROG(RANLIB, ranlib)
215 AC_PATH_PROG(TOUCH, touch)
219 dnl AC_PROG_YACC defaults to yacc unconditionally if nothing can be found
220 if test "$YACC" = "yacc" -a -z "`which $YACC 2>/dev/null`"; then
221 AC_MSG_ERROR([could not locate a suitable parser generator; install bison, yacc, or byacc])
226 if test "$LEX" = ":"; then
227 AC_MSG_ERROR([could not locate a suitable lexical generator, install flex or lex.])
230 dnl use directory structure of cached as default (hack)
231 if test "$libexecdir" = '${exec_prefix}/libexec' &&
232 test "$localstatedir" = '${prefix}/var'; then
233 libexecdir='${bindir}'
234 localstatedir='${prefix}'
237 dnl Checks for header files.
240 AC_CHECK_HEADERS([crypt.h sys/resource.h sys/param.h errno.h sys/syslog.h stddef.h sys/wait.h wait.h sys/epoll.h sys/uio.h machine/endian.h])
242 dnl Stuff that the memory manager (imalloc) depends on
243 dnl ==================================================
246 if test "$ac_cv_header_machine_endian_h" = "no" ; then
251 AC_CHECK_SIZEOF(short)
253 AC_CHECK_SIZEOF(long)
254 AC_CHECK_SIZEOF(long long)
259 AC_MSG_CHECKING([the system's memory page size])
268 FILE *fp = fopen("conftest.malloc", "w");
271 fprintf(fp, "%d\n", getpagesize());
277 if test -f "conftest.malloc" ; then
278 pagesize=`cat conftest.malloc`
281 if test "$pagesize" != "no" ; then
282 AC_MSG_RESULT($pagesize)
284 if test "$ac_cv_sizeof_int" = "4" ; then
289 AC_MSG_RESULT([$pagesize (guessing)])
291 AC_DEFINE_UNQUOTED(MALLOC_PAGESIZE, $pagesize,
292 [the system's memory page size])
294 dnl Networking Functions
295 dnl ====================
297 AC_SEARCH_LIBS(socket, socket, , [AC_MSG_ERROR([You have no socket()! Aborting.])])
299 dnl SunOS/Solaris required libnsl for inet_ntoa()
300 if test x"$SUN" = xyes; then
301 AC_SEARCH_LIBS(inet_ntoa, nsl,, [AC_MSG_ERROR([libnsl not found! Aborting.])])
304 AC_CHECK_MEMBER([struct sockaddr.sa_len], [AC_DEFINE(SOCKADDR_IN_HAS_LEN, 1, [Define to 1 if sockaddr has a 'sa_len'
305 member.])],,[[#include <sys/types.h>
306 #include <sys/socket.h>
309 AC_CHECK_TYPE(socklen_t, ,
310 [AC_DEFINE([socklen_t], [unsigned int],
311 [If we don't have a real socklen_t, unsigned int is good enough.])],
312 [#include <sys/types.h>
313 #include <sys/socket.h>])
316 AC_HELP_STRING([--enable-ipv6],[Enable IPv6 support]),[ipv6=$enableval],[ipv6=no])
318 if test $ipv6 != yes; then
321 AC_MSG_CHECKING([for core IPv6 support])
325 [[#define IN_AUTOCONF
326 #include <sys/types.h>
327 #include <sys/socket.h>
328 #include <netinet/in.h>]],
329 [[struct sockaddr_in6 s;
333 if test "$CYGWIN" = "yes"; then
334 AC_MSG_RESULT([no, Cygwin's IPv6 is incomplete])
338 AC_DEFINE(IPV6, 1, [Define if IPv6 support is present and available.])
340 AC_MSG_CHECKING([for struct in6addr_any])
343 [[#define IN_AUTOCONF
344 #include <sys/types.h>
345 #include <sys/socket.h>
346 #include <netinet/in.h>]],
347 [[struct in6_addr a = in6addr_any;]]
349 [AC_MSG_RESULT(yes)],
352 AC_DEFINE(NO_IN6ADDR_ANY, 1, [Define to 1 if your system has no in6addr_any.])
362 AC_SEARCH_LIBS(crypt, [crypt descrypt],,)
364 CRYPT_LIB=$ac_cv_search_crypt
366 if test "$CRYPT_LIB" = "none required"; then
368 elif test "$CRYPT_LIB" = no; then
374 if test "$ac_cv_header_sys_wait_h" = yes -o "$ac_cv_header_wait_h" = yes; then
376 dnl We need one of the above to build viconf. Just a sanity check,
377 dnl we don't want to stop people from building the rest of ircd
378 dnl just because they can't build viconf.
385 dnl See whether we can include both string.h and strings.h.
386 AC_CACHE_CHECK([whether string.h and strings.h may both be included],
387 gcc_cv_header_string,
391 #include <strings.h>],
392 [gcc_cv_header_string=yes],
393 [gcc_cv_header_string=no])
396 if test "$gcc_cv_header_string" = "yes"; then
397 AC_DEFINE(STRING_WITH_STRINGS, 1, [Define to 1 if string.h may be included along with strings.h])
402 dnl Check for stdarg.h - if we can't find it, halt configure
403 AC_CHECK_HEADER(stdarg.h, , [AC_MSG_ERROR([** stdarg.h could not be found - ircd-ratbox will not compile without it **])])
405 dnl Checks for the existence of strlcat, strlcpy, basename...
406 dnl This more reliable test only works with gcc though.
408 if test "$ac_cv_c_compiler_gnu" = yes; then
410 AC_MSG_CHECKING(for strlcpy)
412 CFLAGS="$CFLAGS -Wimplicit -Werror"
416 [[#include <string.h>
417 #include <stdlib.h>]],
418 [[char *a = malloc(6);
419 strlcpy(a, "hello", 6);]]
422 AC_DEFINE(HAVE_STRLCPY, 1, [Define if strlcpy is available (most BSDs.)])],
426 AC_MSG_CHECKING(for strlcat)
429 [[#include <string.h>
430 #include <stdlib.h>]],
431 [[char *a = malloc(6);
433 strlcat(a, "hello", 6);]]
436 AC_DEFINE(HAVE_STRLCAT, 1, [Define if strlcat is available (most BSDs.)])],
444 dnl Better than nothing. The more complicated test above probably fixes powerpc,
447 AC_CHECK_FUNCS([strlcat strlcpy])
451 AC_CHECK_TYPE([u_int32_t], [],
453 AC_CHECK_TYPE([uint32_t],
455 AC_DEFINE(u_int32_t, [uint32_t], [If system does not define u_int32_t, define a reasonable substitute.])
458 AC_MSG_WARN([system has no u_int32_t or uint32_t, default to unsigned long int])
459 AC_DEFINE(u_int32_t, [unsigned long int], [If system does not define u_int32_t, define to unsigned long int here.])
463 AC_CHECK_TYPE([u_int16_t], [],
465 AC_CHECK_TYPE([uint16_t],
467 AC_DEFINE(u_int16_t, [uint16_t], [If system does not define u_int16_t, define a usable substitute])
470 AC_MSG_WARN([system has no u_int16_t or uint16_t, default to unsigned short int])
471 AC_DEFINE(u_int16_t, [unsigned short int], [If system does not define u_int16_t, define a usable substitute.])
475 AC_CHECK_TYPE([in_port_t], [],
476 [AC_DEFINE(in_port_t, [u_int16_t], [If system does not define in_port_t, define it to what it should be.])],
477 [[#include <sys/types.h>
478 #include <netinet/in.h>]])
480 AC_CHECK_TYPE([sa_family_t], [],
481 [AC_DEFINE(sa_family_t, [u_int16_t], [If system does not define sa_family_t, define it here.])],
482 [[#include <sys/types.h>
483 #include <sys/socket.h>]])
485 AC_CHECK_TYPES([uintptr_t])
487 dnl check for various functions...
488 AC_CHECK_FUNCS([socketpair vsnprintf mmap gettimeofday strdup strndup ])
492 dnl Specialized functions checks
493 dnl ============================
495 dnl check for nanosleep
496 AC_CHECK_FUNC(nanosleep,,[AC_CHECK_LIB(rt,nanosleep,
498 [AC_CHECK_LIB(posix4,nanosleep, LIBS="${LIBS} -lposix4"
500 if test x$ac_cv_func_nanosleep = xno && test x$ac_cv_lib_posix4_nanosleep = xno && test x$ac_cv_lib_rt_nanosleep = xno
502 AC_MSG_RESULT("nanosleep not found..using select for delay")
504 AC_DEFINE([HAVE_NANOSLEEP], 1, [Define if nanosleep exists])
508 AC_MSG_CHECKING(for OpenSSL)
509 AC_ARG_ENABLE(openssl,
510 [AC_HELP_STRING([--enable-openssl[=DIR]],[Enable OpenSSL support (DIR optional).])
511 AC_HELP_STRING([--disable-openssl],[Disable OpenSSL support.])],
512 [cf_enable_openssl=$enableval],
513 [cf_enable_openssl="auto"])
515 if test "$cf_enable_openssl" != "no" ; then
516 cf_openssl_basedir=""
517 if test "$cf_enable_openssl" != "auto" &&
518 test "$cf_enable_openssl" != "yes" ; then
519 dnl Support for --enable-openssl=/some/place
520 cf_openssl_basedir="`echo ${cf_enable_openssl} | sed 's/\/$//'`"
522 dnl Do the auto-probe here. Check some common directory paths.
523 for dirs in /usr/local/ssl /usr/pkg /usr/local \
524 /usr/local/openssl ; do
525 if test -f "${dirs}/include/openssl/opensslv.h" ; then
526 cf_openssl_basedir="${dirs}"
532 dnl Now check cf_openssl_found to see if we found anything.
533 if test ! -z "$cf_openssl_basedir"; then
534 if test -f "${cf_openssl_basedir}/include/openssl/opensslv.h" ; then
535 SSL_INCLUDES="-I${cf_openssl_basedir}/include"
536 SSL_LIBS="-L${cf_openssl_basedir}/lib"
538 dnl OpenSSL wasn't found in the directory specified. Naughty
540 cf_openssl_basedir=""
543 dnl Check for stock FreeBSD 4.x and 5.x systems, since their files
544 dnl are in /usr/include and /usr/lib. In this case, we don't want to
545 dnl change INCLUDES or LIBS, but still want to enable OpenSSL.
546 dnl We can't do this check above, because some people want two versions
547 dnl of OpenSSL installed (stock FreeBSD 4.x/5.x and /usr/local/ssl)
548 dnl and they want /usr/local/ssl to have preference.
549 if test -f "/usr/include/openssl/opensslv.h" ; then
550 cf_openssl_basedir="/usr"
554 dnl If we have a basedir defined, then everything is okay. Otherwise,
555 dnl we have a problem.
556 if test ! -z "$cf_openssl_basedir"; then
557 AC_MSG_RESULT($cf_openssl_basedir)
558 cf_enable_openssl="yes"
560 AC_MSG_RESULT([not found. Specify a correct path?])
561 cf_enable_openssl="no"
563 unset cf_openssl_basedir
565 dnl If --disable-openssl was specified
566 AC_MSG_RESULT(disabled)
569 save_CPPFLAGS="$CPPFLAGS"
570 CPPFLAGS="$CPPFLAGS $SSL_INCLUDES"
572 LIBS="$LIBS $SSL_LIBS"
573 if test "$cf_enable_openssl" != no; then
574 dnl Check OpenSSL version (must be 0.9.6 or above!)
575 AC_MSG_CHECKING(for OpenSSL 0.9.6 or above)
578 [#include <openssl/opensslv.h>
579 #include <stdlib.h>],
580 [[if ( OPENSSL_VERSION_NUMBER >= 0x00906000)
581 exit(0); else exit(1);]]),
582 cf_openssl_version_ok=yes,
583 cf_openssl_version_ok=no,
584 cf_openssl_version_ok=no)
586 if test "$cf_openssl_version_ok" = yes; then
589 dnl Work around pmake/gmake conditional incompatibilities
590 AC_SUBST(ENCSPEED, encspeed)
592 dnl Do all the HAVE_LIBCRYPTO magic -- and check for ciphers
593 CPPFLAGS="$CPPFLAGS $SSL_LIBS"
594 AC_CHECK_LIB(crypto, RSA_free)
595 SSL_LIBS="$SSL_LIBS -lcrypto"
596 SSL_SRCS_ENABLE='$(SSL_SRCS)'
598 AC_MSG_RESULT(no - OpenSSL support disabled)
602 CPPFLAGS="$save_CPPFLAGS"
605 dnl End OpenSSL detection
608 dnl Specialized functions and libraries
609 dnl ===================================
611 AC_ARG_WITH(zlib-path,
612 AC_HELP_STRING([--with-zlib-path=DIR],[Path to libz.so for ziplinks support.]),
613 [LIBS="$LIBS -L$withval"],)
616 AC_HELP_STRING([--disable-zlib],[Disable ziplinks support]),
617 [zlib=$enableval],[zlib=yes])
619 if test "$zlib" = yes; then
621 AC_CHECK_HEADER(zlib.h, [
622 AC_CHECK_LIB(z, zlibVersion,
624 AC_SUBST(ZLIB_LD, -lz)
625 AC_DEFINE(HAVE_LIBZ, 1, [Define to 1 if zlib (-lz) is available.])
631 dnl IO Loop Selection
632 dnl =================
634 AC_ARG_ENABLE(poll, AC_HELP_STRING([--enable-poll],[Force poll() usage.]),
635 [ if test $enableval = yes; then
636 SELECT_TYPE_EXPLICIT="poll"
642 AC_ARG_ENABLE(select, AC_HELP_STRING([--enable-select],[Force select() usage.]),
643 [ if test $enableval = yes; then
644 SELECT_TYPE_EXPLICIT="select"
650 AC_ARG_ENABLE(kqueue, AC_HELP_STRING([--enable-kqueue],[Force kqueue() usage.]),
651 [ if test $enableval = yes; then
652 SELECT_TYPE_EXPLICIT="kqueue"
658 AC_ARG_ENABLE(devpoll,AC_HELP_STRING([--enable-devpoll],[Force usage of /dev/poll.]),
659 [ if test $enableval = yes; then
660 SELECT_TYPE_EXPLICIT="devpoll"
661 dnl These need to be defined or not defined
662 AC_CHECK_HEADERS([sys/devpoll.h devpoll.h])
668 AC_ARG_ENABLE(epoll, AC_HELP_STRING([--enable-epoll],[Force sys_epoll usage (Linux only).]),
669 [ if test $enableval = yes; then
670 SELECT_TYPE_EXPLICIT="epoll"
676 dnl **********************************************************************
677 dnl Check for --with-confdir
678 dnl **********************************************************************
680 AC_MSG_CHECKING([whether to modify confdir])
682 AC_HELP_STRING([--with-confdir=DIR],
683 [Directory to install config files.]),
684 [ confdir=`echo $withval | sed 's/\/$//'`
686 AC_DEFINE_DIR(ETC_DIR, confdir, [Prefix where config files are installed.])
687 AC_SUBST_DIR([confdir]) ],
688 [ confdir='${prefix}/etc'
690 AC_DEFINE_DIR(ETC_DIR, confdir, [Prefix where config files are installed.])
691 AC_SUBST_DIR([confdir])]
694 dnl **********************************************************************
695 dnl Check for --with-logdir
696 dnl **********************************************************************
698 AC_MSG_CHECKING([whether to modify logdir])
700 AC_HELP_STRING([--with-logdir=DIR],
701 [Directory where to write logfiles.]),
702 [ logdir=`echo $withval | sed 's/\/$//'`
704 AC_DEFINE_DIR(LOG_DIR, logdir, [Prefix where to write logfiles.])
705 AC_SUBST_DIR([logdir]) ],
706 [ logdir='${prefix}/logs'
708 AC_DEFINE_DIR(LOG_DIR, logdir, [Prefix where to write logfiles.])
709 AC_SUBST_DIR([logdir])]
712 dnl **********************************************************************
713 dnl Check for --with-helpdir
714 dnl **********************************************************************
716 AC_MSG_CHECKING([whether to modify helpdir])
718 AC_HELP_STRING([--with-helpdir=DIR],
719 [Directory to install help files.]),
720 [ helpdir=`echo $withval | sed 's/\/$//'`
722 AC_DEFINE_DIR(HELP_DIR, helpdir, [Prefix where help files are installed.])
723 AC_SUBST_DIR([helpdir]) ],
724 [ helpdir='${prefix}/help'
726 AC_DEFINE_DIR(HELP_DIR, helpdir, [Prefix where help file are installed.])
727 AC_SUBST_DIR([helpdir])]
730 dnl **********************************************************************
731 dnl Check for --with-moduledir
732 dnl **********************************************************************
734 AC_MSG_CHECKING([whether to modify moduledir])
735 AC_ARG_WITH(moduledir,
736 AC_HELP_STRING([--with-moduledir=DIR],
737 [Directory to install modules.]),
738 [ moduledir=`echo $withval | sed 's/\/$//'`
740 AC_DEFINE_DIR(MODULE_DIR, moduledir, [Prefix where modules are installed.])
741 AC_SUBST_DIR([moduledir]) ],
742 [ moduledir='${prefix}/modules'
744 AC_DEFINE_DIR(MODULE_DIR, moduledir, [Prefix where modules are installed.])
745 AC_SUBST_DIR([moduledir])]
748 if test ! -z "$SELECT_TYPE_EXPLICIT"; then
749 SELECT_TYPE="$SELECT_TYPE_EXPLICIT";
750 echo "Forcing $SELECT_TYPE to be enabled"
753 if test ! "x$use_select" = "xno"; then
754 AC_CHECK_FUNCS(select, [haveselect=yes], [haveselect=no])
755 if test "x$haveselect" = "xyes" ; then
760 if test ! "x$use_poll" = "xno"; then
761 AC_CHECK_FUNCS(poll, [havepoll=yes], [havepoll=no])
762 if test "x$havepoll" = "xyes" ; then
767 if test ! "x$use_devpoll" = "xno"; then
768 AC_MSG_CHECKING(for /dev/poll)
769 if test -c "/dev/poll"; then
771 AC_CHECK_HEADERS([devpoll.h sys/devpoll.h])
772 SELECT_TYPE="devpoll"
778 if test ! "x$use_kqueue" = "xno"; then
779 AC_CHECK_FUNCS(kevent, [havekqueue=yes], [havekqueue=no])
780 if test "x$havekqueue" = "xyes" ; then
785 if test ! "x$use_epoll" = "xno"; then
786 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], [haveepoll=no])
787 if test "x$ac_cv_header_sys_epoll_h" = "xyes"; then
788 if test "x$haveepoll" = "xyes" ; then
789 AC_MSG_CHECKING(for epoll support in kernel)
792 #include <sys/param.h>
793 #include <sys/types.h>
794 #include <sys/epoll.h>
795 #include <sys/syscall.h>
799 main(int argc, char **argv)
803 epfd = epoll_create(256);
804 exit (epfd == -1 ? 1 : 0);
805 }, [AC_MSG_RESULT(yes)
806 AC_DEFINE(HAVE_EPOLL, 1,
807 [Define if your system supports the epoll system calls])
808 SELECT_TYPE="epoll"],
809 AC_MSG_RESULT(no), AC_MSG_RESULT(no))
815 if test "x$ac_cv_header_sys_epoll_h" = "xyes"; then
816 if test "x$haveepoll" = "xno" ; then
817 AC_MSG_CHECKING(for epoll system call)
820 #include <sys/param.h>
821 #include <sys/types.h>
822 #include <sys/epoll.h>
823 #include <sys/syscall.h>
827 epoll_create(int size)
829 return (syscall(__NR_epoll_create, size));
833 main(int argc, char **argv)
837 epfd = epoll_create(256);
838 exit (epfd == -1 ? 1 : 0);
839 }, [AC_MSG_RESULT(yes)
840 AC_DEFINE(HAVE_EPOLL, 1,
841 [Define if your system supports the epoll system calls])
842 SELECT_TYPE="epoll"],
843 AC_MSG_RESULT(no), AC_MSG_RESULT(no))
851 if test -z "$SELECT_TYPE"; then
852 AC_MSG_ERROR([Unable to find a usable IO interface],)
855 echo "Using $SELECT_TYPE for select loop."
857 AC_DEFINE_UNQUOTED(SELECT_TYPE, "$SELECT_TYPE", [This is the type of IO loop we are using])
858 AC_SUBST(SELECT_TYPE)
861 dnl Debug-related options
862 dnl =====================
864 AC_ARG_ENABLE(assert,
865 AC_HELP_STRING([--enable-assert],[Enable assert(). Choose between soft(warnings) and hard(aborts the daemon)]),
866 [assert=$enableval], [assert=no])
868 if test "$assert" = no; then
869 AC_DEFINE(NDEBUG, 1, [Define this to disable debugging support.])
870 elif test "$assert" = soft; then
871 AC_DEFINE(SOFT_ASSERT, 1, [Define this to enable soft asserts.])
872 AC_DEFINE(NDEBUG, 1, [Define this to disable debugging support.])
873 elif test "$assert" = yes; then
877 AC_MSG_CHECKING(if you want IO Debugging hooks)
878 AC_ARG_ENABLE(iodebug,
879 AC_HELP_STRING([--enable-iodebug],[Enable IO Debugging hooks]),
880 [iodebug=$enableval], [iodebug=no])
882 if test "$iodebug" = yes; then
883 AC_DEFINE(USE_IODEBUG_HOOKS, 1, [Define this to enable IO Debug hooks.])
890 AC_MSG_CHECKING(if you want to do a profile build)
891 AC_ARG_ENABLE(profile,
892 AC_HELP_STRING([--enable-profile],[Enable profiling]),
893 [profile=$enableval], [profile=no])
895 if test "$profile" = yes; then
896 if test "$ac_cv_c_compiler_gnu" = yes; then
897 IRC_CFLAGS="$IRC_CFLAGS -pg"
898 AC_MSG_RESULT([yes, adding -pg])
899 AC_DEFINE(CHARYBDIS_PROFILE, 1, [Define this if you are profiling.])
901 AC_MSG_RESULT([no, profile builds only work with gcc])
907 AC_ARG_ENABLE(balloc,
908 AC_HELP_STRING([--disable-balloc],[Disable the block allocator.]),
909 [balloc=$enableval], [balloc=yes])
911 if test "$balloc" = no; then
912 AC_DEFINE([NOBALLOC], 1, [Define to 1 if you wish to disable the block allocator.])
915 AC_ARG_ENABLE(ricer-hashing,
916 AC_HELP_STRING([--enable-ricer-hashing],[Enable assembly-based hashing routines.]),
917 [ricer_hashing=$enableval], [ricer_hashing=no])
921 if test "$ricer_hashing" = "yes"; then
922 AC_DEFINE([RICER_HASHING], 1, [Define to 1 if you are using the assembly-based hashing routines.])
923 FNVHASH_S="fnvhash.s"
928 AC_ARG_ENABLE(small-net,
929 AC_HELP_STRING([--enable-small-net],[Enable small network support.]),
930 [small_net=$enableval], [small_net=no])
932 if test "$small_net" = yes; then
933 dnl AC_DEFINE([HASHSIZE], 4096, [Max number of buckets in hash tables.])
934 AC_DEFINE([NICKNAMEHISTORYLENGTH], 1500, [Size of the WHOWAS array.])
935 AC_DEFINE([CHANNEL_HEAP_SIZE], 256, [Size of the channel heap.])
936 AC_DEFINE([BAN_HEAP_SIZE], 128, [Size of the ban heap.])
937 AC_DEFINE([CLIENT_HEAP_SIZE], 256, [Size of the client heap.])
938 AC_DEFINE([LCLIENT_HEAP_SIZE], 128, [Size of the local client heap.])
939 AC_DEFINE([PCLIENT_HEAP_SIZE], 32, [Size of the pre-client heap.])
940 AC_DEFINE([USER_HEAP_SIZE], 128, [Size of the user heap.])
941 AC_DEFINE([DNODE_HEAP_SIZE], 256, [Size of the dlink_node heap.])
942 AC_DEFINE([TOPIC_HEAP_SIZE], 256, [Size of the topic heap.])
943 AC_DEFINE([LINEBUF_HEAP_SIZE], 128, [Size of the linebuf heap.])
944 AC_DEFINE([MEMBER_HEAP_SIZE], 256, [Sizeof member heap.])
945 AC_DEFINE([ND_HEAP_SIZE], 128, [Size of the nick delay heap.])
946 AC_DEFINE([CONFITEM_HEAP_SIZE], 128, [Size of the confitem heap.])
947 AC_DEFINE([MONITOR_HEAP_SIZE], 128, [Size of the monitor heap.])
949 dnl These settings are for a large network like efnet..they will use lots of memory
950 dnl so enable small net unless you really need this much support
951 AC_DEFINE([NICKNAMEHISTORYLENGTH], 15000, [Size of the WHOWAS array.])
952 AC_DEFINE([CHANNEL_HEAP_SIZE], 8192, [Size of the channel heap.])
953 AC_DEFINE([BAN_HEAP_SIZE], 4096, [Size of the ban heap.])
954 AC_DEFINE([CLIENT_HEAP_SIZE], 8192, [Size of the client heap.])
955 AC_DEFINE([LCLIENT_HEAP_SIZE], 1024, [Size of the local client heap.])
956 AC_DEFINE([PCLIENT_HEAP_SIZE], 256, [Size of the pre-client heap.])
957 AC_DEFINE([USER_HEAP_SIZE], 8192, [Size of the user heap.])
958 AC_DEFINE([DNODE_HEAP_SIZE], 8192, [Size of the dlink_node heap.])
959 AC_DEFINE([TOPIC_HEAP_SIZE], 4096, [Size of the topic heap.])
960 AC_DEFINE([LINEBUF_HEAP_SIZE], 2048, [Size of the linebuf heap.])
961 AC_DEFINE([MEMBER_HEAP_SIZE], 32768, [Sizeof member heap.])
962 AC_DEFINE([ND_HEAP_SIZE], 512, [Size of the nick delay heap.])
963 AC_DEFINE([CONFITEM_HEAP_SIZE], 256, [Size of the confitem heap.])
964 AC_DEFINE([MONITOR_HEAP_SIZE], 1024, [Size of the monitor heap.])
968 AC_HELP_STRING([--with-nicklen=LENGTH],[Set the nick length to LENGTH (default 15, max 50)]),
970 if test $withval -ge 50; then
972 AC_MSG_WARN([NICKLEN has a hard limit of 50. Setting NICKLEN=50])
978 AC_ARG_WITH(topiclen,
979 AC_HELP_STRING([--with-topiclen=NUMBER],[Set the max topic length to NUMBER (default 390, max 390)]),
981 if test $withval -ge 390; then
983 AC_MSG_WARN([TOPICLEN has a hard limit of 390. Setting TOPICLEN=390])
989 AC_ARG_WITH(maxclients,
990 AC_HELP_STRING([--with-maxclients=NUMBER],[Maximum number of connections the ircd can handle]),
991 MAX_CLIENTS="$withval", MAX_CLIENTS=3000)
994 if test "$MAX_CLIENTS" = yes; then
998 if test $MAX_CLIENTS -gt 65536; then
1000 AC_MSG_WARN([Max connections cannot be larger than 65536!])
1003 AC_DEFINE_UNQUOTED(TOPICLEN, ${TOPICLEN}, [Maximum topic length (<=390)])
1004 AC_DEFINE_UNQUOTED(NICKLEN, (${NICKLEN}+1), [Nickname length])
1005 AC_DEFINE_UNQUOTED(MAX_CLIENTS, ${MAX_CLIENTS}, [Maximum number of network connections])
1007 AC_ARG_ENABLE(shared-modules,
1008 AC_HELP_STRING([--disable-shared-modules],[ Disable shared modules.]),
1009 [shared_modules=$enableval], [shared_modules="yes"])
1011 dnl Some first-stage sanity checks.
1012 if test "$shared_modules" = yes; then
1014 if test "$CYGWIN" = yes; then
1015 AC_MSG_WARN([disabling shared modules; Cygwin is at present unable to build them.])
1019 dnl TenDRA's cc is called tcc too.
1020 if test "$CC" = tcc -a "$TenDRA" = "no"; then
1021 AC_MSG_WARN([disabling shared modules: Tiny C Compiler can't create PIC])
1026 dnl Second stage: check for functions and headers.
1027 if test "$shared_modules" = yes; then
1029 AC_CHECK_HEADERS(dlfcn.h)
1030 AC_SEARCH_LIBS(shl_load, dld,
1032 AC_DEFINE(HAVE_SHL_LOAD, 1, [Define if the shl_load function is available.])
1034 MOD_TARGET=hpux_shared
1035 SEDOBJ="s/\.o/.sl/g"
1040 AC_SEARCH_LIBS(dlopen, [dl c_r],
1042 AC_DEFINE(HAVE_DLOPEN, 1, [Define if the dlopen function is available.])
1044 MOD_TARGET=shared_modules
1045 SEDOBJ="s/\.o/.so/g"
1046 if test "$AppleGCC" = yes; then
1047 AC_CHECK_HEADERS([mach-o/dyld.h])
1049 AC_CHECK_FUNC(dlsym, ,
1051 AC_MSG_WARN([dlsym is not available, shared modules disabled])
1054 AC_CHECK_FUNCS(dlfunc)
1062 AC_DEFINE_UNQUOTED(SHARED_SUFFIX, "$SUFFIX", [Suffix for shared libraries on this platform.])
1064 dnl Third stage - wrangling the linker.
1065 if test "$shared_modules" = yes; then
1066 # The GNU linker requires the -export-dynamic option to make
1067 # all symbols visible in the dynamic symbol table.
1068 hold_ldflags=$LDFLAGS
1069 AC_MSG_CHECKING(for the ld -export-dynamic flag)
1070 LDFLAGS="${LDFLAGS} -Wl,-export-dynamic -Werror"
1071 AC_LINK_IFELSE(AC_LANG_PROGRAM([],[int i;]), found=yes, found=no)
1072 LDFLAGS=$hold_ldflags
1074 if expr "`uname -s`" : ^IRIX >/dev/null 2>&1; then
1075 found="no, IRIX ld uses -B,dynamic"
1076 LDFLAGS="${LDFLAGS} -Wl,-B,dynamic"
1079 if expr "`uname -s`" : ^AIX >/dev/null 2>&1; then
1080 found="no, AIX ld uses -G -brtl"
1081 LDFLAGS="${LDFLAGS} -Wl,-G,-brtl"
1084 AC_MSG_RESULT($found)
1086 if test "$found" = yes; then
1087 LDFLAGS="${LDFLAGS} -Wl,-export-dynamic"
1090 AC_MSG_CHECKING(for compiler option to produce PIC)
1091 dnl The order should be here to check for groups of compilers,
1092 dnl then for odd compilers, then if no PICFLAGS were set up,
1093 dnl check for GCC and set defaults, or else error. -jmallett
1094 if test "$SGS" = "yes"; then
1095 AC_MSG_RESULT([SVR4 SGS interfaces: -KPIC -DPIC -G])
1096 PICFLAGS="-KPIC -DPIC -G"
1099 if test "$AppleGCC" = "yes"; then
1100 AC_MSG_RESULT([Darwin Mach-O bundles: -fno-common -bundle -flat_namespace -undefined suppress])
1101 PICFLAGS="-fno-common -bundle -flat_namespace -undefined suppress"
1103 dnl Please note, that on HPUX two different stages of module compilation occurs, since
1104 dnl while compiling modules, the compiler does not allow you to give arguments
1105 dnl to the linker. (I did not design this)
1106 dnl So we need -c in the first stage of module compilation.
1107 dnl In the second stage, we link the modules via ld -b.
1108 dnl Additionally, HPUX does not like -export-dynamic, it likes -E instead.
1110 if test "$HPUX" = "yes" -a "$CC" != gcc; then
1111 AC_MSG_RESULT(HP-UX cc: +z -r -q -n)
1112 PICFLAGS="+z -r -q -n -c"
1113 AC_MSG_CHECKING([if +ESfic is required on this platform])
1115 if expr "`$CC +ESfic 2>&1`" : ".*neither supported.*" >/dev/null; then
1119 PICFLAGS="$PICFLAGS +ESfic"
1122 LDFLAGS="${LDFLAGS} -Wl,-E"
1124 if test "$Tru" = yes -a "$CC" != gcc; then
1125 AC_MSG_RESULT([Tru64: -shared -expect_unresolved '*'])
1126 PICFLAGS="-shared -expect_unresolved '*' "
1127 LDFLAGS="-call_shared"
1129 if test -z "$PICFLAGS"; then
1130 if test "$ac_cv_c_compiler_gnu" = "yes"; then
1131 AC_MSG_RESULT(gcc: -fPIC -DPIC -shared)
1132 PICFLAGS="-fPIC -DPIC -shared"
1140 # This must be down here, or it will mess up checks like the ones
1141 # for -Wl,-export-dynamic
1143 AC_ARG_ENABLE(warnings,
1144 AC_HELP_STRING([--enable-warnings],[Enable all sorts of warnings for debugging.]),
1146 IRC_CFLAGS="$IRC_CFLAGS -O0"
1147 CFLAGS="$IRC_CFLAGS"
1149 CHARYBDIS_C_GCC_TRY_FLAGS([-Wall], charybdis_cv_c_gcc_w_all)
1150 CHARYBDIS_C_GCC_TRY_FLAGS([-Wpointer-arith], charybdis_cv_c_gcc_w_pointer_arith)
1151 CHARYBDIS_C_GCC_TRY_FLAGS([-Wimplicit -Wnested-externs], charybdis_cv_c_gcc_w_implicit)
1152 CHARYBDIS_C_GCC_TRY_FLAGS([-Wcast-align], charybdis_cv_c_gcc_w_cast_align)
1153 CHARYBDIS_C_GCC_TRY_FLAGS([-Wcast-qual], charybdis_cv_c_gcc_w_cast_qual)
1154 CHARYBDIS_C_GCC_TRY_FLAGS([-Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations], charybdis_cv_c_gcc_prototypes)
1155 CHARYBDIS_C_GCC_TRY_FLAGS([-Wparenthesis], charybdis_cv_c_gcc_parenthesis)
1156 CHARYBDIS_C_GCC_TRY_FLAGS([-W -Wno-unused], charybdis_cv_c_gcc_w)
1157 CHARYBDIS_C_GCC_TRY_FLAGS([-Wextra], charybdis_cv_c_gcc_w_extra)
1158 CHARYBDIS_C_GCC_TRY_FLAGS([-Wshadow], charybdis_cv_c_gcc_w_shadow)
1159 CHARYBDIS_C_GCC_TRY_FLAGS([-Wmissing-noreturn], charybdis_cv_c_gcc_w_missing_noreturn)
1160 CHARYBDIS_C_GCC_TRY_FLAGS([-Wundef], charybdis_cv_c_gcc_w_undef)
1161 CHARYBDIS_C_GCC_TRY_FLAGS([-Wpacked], charybdis_cv_c_gcc_w_packed)
1162 CHARYBDIS_C_GCC_TRY_FLAGS([-Wnested-externs], charybdis_cv_c_gcc_w_nested_externs)
1163 CHARYBDIS_C_GCC_TRY_FLAGS([-Wbad-function-cast], charybdis_cv_c_gcc_w_bad_function_cast)
1164 CHARYBDIS_C_GCC_TRY_FLAGS([-Wunused-function -Wunused-label -Wunused-value -Wunused-variable], charybdis_cv_c_gcc_w_unused)
1165 CHARYBDIS_C_GCC_TRY_FLAGS([-Wredundant-decls], charybdis_cv_c_gcc_w_redundant_decls)
1166 CHARYBDIS_C_GCC_TRY_FLAGS([-Wfloat-equal], charybdis_cv_c_gcc_w_float_equal)
1167 CHARYBDIS_C_GCC_TRY_FLAGS([-Wformat=2], charybdis_cv_c_gcc_w_format)
1168 CHARYBDIS_C_GCC_TRY_FLAGS([-pedantic], charybdis_cv_c_gcc_pedantic)
1170 IRC_CFLAGS="$CFLAGS"
1173 if test "$shared_modules" = no; then
1175 MOD_TARGET="libmodules.a"
1176 MODULES_LIBS="../modules/libmodules.a"
1178 AC_DEFINE(STATIC_MODULES, 1, [Define to 1 if dynamic modules can't be used.])
1179 AC_MSG_WARN([shared module support has been disabled!])
1182 dnl Stage 5 - underscores in front of symbol names.
1183 if test "$shared_modules" = yes; then
1185 AC_CHECK_FUNC(nlist,,
1186 AC_CHECK_LIB(dl, nlist, nlist_lib="-ldl",
1187 AC_CHECK_LIB(elf, nlist, nlist_lib="-lelf",)
1191 dnl We need to find out whether underscores are appended to symbol
1192 dnl names in executable files. First, though, we need to see
1193 dnl where nlist.h is hiding.
1194 AC_CHECK_HEADER(libelf/nlist.h, [ nlist_h="libelf/nlist.h" ], )
1195 AC_CHECK_HEADER(elf/nlist.h, [ nlist_h="elf/nlist.h" ], )
1196 AC_CHECK_HEADER(nlist.h, [ nlist_h="nlist.h" ], )
1197 if test x"$nlist_h" = "x"; then
1198 AC_DEFINE_UNQUOTED(SYMBOL_PREFIX, "", [String containing extra underscores prepended to symbols loaded from modules.])
1200 AC_MSG_CHECKING(for extra underscores prepended to symbol names)
1201 AC_CACHE_VAL(symbol_underscores,
1203 cat << EOF > conftest.c
1207 void _modinit(void);
1208 int main(int argc, char *argv[[]]) {
1210 struct nlist nl[[5]];
1212 /* fill the names in this way, so it'll work almost everywhere */
1213 nl[[0]].n_name = "_modinit";
1214 nl[[1]].n_name = "__modinit";
1215 nl[[2]].n_name = "___modinit";
1216 nl[[3]].n_name = "____modinit";
1217 nl[[0]].n_value = nl[[1]].n_value = nl[[2]].n_value = nl[[3]].n_value = nl[[4]].n_name = NULL;
1219 if(argc < 2 || (nlist(argv[[1]], nl)) == -1) exit(-1);
1220 for(i = 0; i < 4; i++) {
1221 if(nl[[i]].n_value != NULL)
1224 for(j = 0; j < i; j++)
1231 void _modinit(void) { return; }
1233 $CC $CPPFLAGS $IRC_CFLAGS -o conftest conftest.c $nlist_lib >/dev/null 2>&1
1234 symbol_underscores=`./conftest conftest`
1235 AC_MSG_RESULT($symbol_underscores)
1236 $RM -f conftest conftest.c
1238 AC_DEFINE_UNQUOTED(SYMBOL_PREFIX, "${symbol_underscores}", [String containing extra underscores prepended to symbols loaded from modules.])
1242 AC_SUBST(MODULES_LIBS)
1243 AC_SUBST(MOD_TARGET)
1245 AC_SUBST(SSL_SRCS_ENABLE)
1246 AC_SUBST(SSL_INCLUDES)
1251 AC_SUBST(IRC_CFLAGS)
1255 if test "$prefix" = "NONE"; then
1256 AC_DEFINE_UNQUOTED(IRCD_PREFIX, "$ac_default_prefix", [Prefix where the ircd is installed.])
1260 dnl Don't get bitten by Cygwin's stupidity if the user specified
1261 dnl a custom prefix with a trailing slash
1263 prefix=`echo $prefix | sed 's/\/$//'`
1264 AC_DEFINE_UNQUOTED(IRCD_PREFIX, "$prefix", [Prefix where the ircd is installed.])
1270 libcharybdis/Makefile \
1272 extensions/Makefile \
1273 unsupported/Makefile \
1283 if test "$cf_openssl_version_ok" = yes; then
1289 if test "$shared_modules" = yes; then
1297 Install directory : $prefix
1302 IPv6 support : $have_v6
1303 Socket Engine : $SELECT_TYPE
1304 Small network : $small_net
1305 Block allocator : $balloc
1306 ASM hashing code : $ricer_hashing
1308 Nickname length : $NICKLEN
1309 Topic length : $TOPICLEN
1311 Use make to compile Charybdis, then make install to install it.