1 dnl $Id: configure.ac 3516 2007-06-10 16:14:03Z jilles $
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 3516 2007-06-10 16:14:03Z jilles $])
13 AC_INIT([charybdis],[3.3.0])
15 AC_CONFIG_HEADER(include/setup.h)
17 AC_PREFIX_DEFAULT($HOME/ircd)
22 dnl Checks for programs.
26 dnl Make sure autoconf doesn't interfere with cflags -jmallett
29 AC_CONFIG_SUBDIRS(libratbox)
31 dnl Check for various compilers. -jmallett
32 dnl But if $CC turns out to be gcc, sure as hell it's, well, gcc. -joshk
34 if test "$ac_cv_c_compiler_gnu" != yes; then
37 AC_MSG_CHECKING($CC -version for TenDRA or MIPSpro)
38 case `$CC -version 2>&1` in
40 AC_MSG_RESULT([yes, TenDRA])
42 CPPFLAGS="$CPPFLAGS -Ylonglong -Yansi -I/usr/include"
47 AC_MSG_RESULT([yes, MIPSpro])
58 AC_MSG_CHECKING([$CC -V for Sun Workshop, Forte, HPUX or Tru64 cc])
60 *Sun*WorkShop* | *Forte*Developer*)
61 AC_MSG_RESULT(Sun Workshop/Forte)
62 IRC_CFLAGS="-fast -xinline=dlinkAdd,dlinkAddBefore,dlinkAddTail,dlinkDelete,dlink_list_length,dlink_node,dlinkMoveList,_MyMalloc,_MyRealloc,_MyFree,_DupString"
67 AC_MSG_RESULT(Tru64 cc)
69 CPPFLAGS="-I/usr/local/include"
73 AC_MSG_RESULT(HPUX cc)
84 AC_MSG_CHECKING([uname -s for Solaris, AIX or HPUX])
88 dnl only do this if we haven't already detected the newer one
89 dnl and we're not already using gcc
91 if test "$HPUX" != yes -a "$ac_cv_c_compiler_gnu" = no; then
92 AC_MSG_RESULT(assuming old HPUX with its own cc)
93 IRC_CFLAGS="$IRC_CFLAGS +e"
96 AC_MSG_RESULT(already using newer HPUX)
100 AC_MSG_RESULT(SunOS or Solaris)
101 AC_DEFINE(__EXTENSIONS__, 1, [This is needed to use strtok_r on Solaris.])
105 AC_MSG_RESULT(AIX - Sorry you poor bastard..really we are)
106 IRC_CFLAGS="$IRC_CFLAGS -Wl,-brtl -Wl,-G"
113 if test "$ac_cv_c_compiler_gnu" = yes; then
114 AC_MSG_CHECKING(if $CC is Apple GCC)
116 case `$CC -v 2>&1 | tail -n 1` in
127 IRC_CFLAGS="$IRC_CFLAGS -O0 -Wall -std=gnu99"
130 dnl If we support -g, use it!
131 if test "$ac_cv_prog_cc_g" = yes; then
132 dnl Tru64 needs -g3 for -O2
133 if test "$Tru" = yes; then
134 IRC_CFLAGS="$IRC_CFLAGS -g3"
136 IRC_CFLAGS="$IRC_CFLAGS -g"
140 dnl SVR4 SGS based on what we know about the compiler -jmallett
141 AC_MSG_CHECKING(if $CC supports the SVR4 SGS interfaces)
142 if test "$SGS" = "yes"; then
148 dnl We prefer gcc -MM because it's a lot less bloated
149 AC_PATH_PROG(MKDEP, mkdep)
150 AC_PATH_PROG(MAKEDEPEND, makedepend)
152 AC_MSG_CHECKING(how to generate dependency info)
156 if test "$ac_cv_c_compiler_gnu" = yes; then
157 AC_MSG_RESULT(gcc -MM)
159 elif test ! -z "$MKDEP"; then
162 dnl Tru64's mkdep is very loud
163 if test -z "$Tru"; then
166 STDOUT=" 2> /dev/null"
168 elif test "$SunWorkShop" = yes; then
169 AC_MSG_RESULT($CC -xM)
171 STDOUT="> .depend 2> /dev/null"
172 elif test ! -z "$MAKEDEPEND"; then
173 AC_MSG_RESULT(makedepend)
174 MKDEP="$MAKEDEPEND -f-"
176 AC_MSG_RESULT([nothing suitable.. forget it!])
183 dnl check for /dev/null so we can use it to hold evil fd's
184 AC_MSG_CHECKING([for /dev/null])
185 if test -c /dev/null ; then
186 AC_DEFINE(PATH_DEVNULL, "/dev/null", [Path to /dev/null])
189 AC_DEFINE(PATH_DEVNULL, "devnull.log", [Path to /dev/null])
190 AC_MSG_RESULT(no - using devnull.log)
193 dnl jdc -- If CFLAGS is defined, best use it everywhere...
194 dnl NOTE: jv says it must be added to the *END*, because things like
195 dnl "gcc -O9 -O2" will result in -O2 getting preference. How stupid.
196 if test ! -z "$CFLAGS"; then
197 IRC_CFLAGS="$IRC_CFLAGS $CFLAGS"
202 AC_PROG_GCC_TRADITIONAL
209 AC_PATH_PROG(SED, sed)
212 AC_PATH_PROG(RANLIB, ranlib)
213 AC_PATH_PROG(TOUCH, touch)
217 dnl AC_PROG_YACC defaults to yacc unconditionally if nothing can be found
218 if test "$YACC" = "yacc" -a -z "`which $YACC 2>/dev/null`"; then
219 AC_MSG_ERROR([could not locate a suitable parser generator; install bison, yacc, or byacc])
224 if test "$LEX" = ":"; then
225 AC_MSG_ERROR([could not locate a suitable lexical generator, install flex or lex.])
228 dnl use directory structure of cached as default (hack)
229 if test "$libexecdir" = '${exec_prefix}/libexec' &&
230 test "$localstatedir" = '${prefix}/var'; then
231 libexecdir='${bindir}'
232 localstatedir='${prefix}'
235 dnl Checks for header files.
238 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])
240 dnl Stuff that the memory manager (imalloc) depends on
241 dnl ==================================================
244 if test "$ac_cv_header_machine_endian_h" = "no" ; then
249 AC_CHECK_SIZEOF(short)
251 AC_CHECK_SIZEOF(long)
252 AC_CHECK_SIZEOF(long long)
254 dnl Networking Functions
255 dnl ====================
257 AC_SEARCH_LIBS(socket, socket, , [AC_MSG_ERROR([You have no socket()! Aborting.])])
259 dnl SunOS/Solaris required libnsl for inet_ntoa()
260 if test x"$SUN" = xyes; then
261 AC_SEARCH_LIBS(inet_ntoa, nsl,, [AC_MSG_ERROR([libnsl not found! Aborting.])])
264 AC_CHECK_TYPE(socklen_t, ,
265 [AC_DEFINE([socklen_t], [unsigned int],
266 [If we don't have a real socklen_t, unsigned int is good enough.])],
267 [#include <sys/types.h>
268 #include <sys/socket.h>])
271 AC_HELP_STRING([--enable-ipv6],[Enable IPv6 support]),[ipv6=$enableval],[ipv6=no])
273 AC_SEARCH_LIBS(crypt, [crypt descrypt],,)
275 CRYPT_LIB=$ac_cv_search_crypt
277 if test "$CRYPT_LIB" = "none required"; then
279 elif test "$CRYPT_LIB" = no; then
285 if test "$ac_cv_header_sys_wait_h" = yes -o "$ac_cv_header_wait_h" = yes; then
287 dnl We need one of the above to build viconf. Just a sanity check,
288 dnl we don't want to stop people from building the rest of ircd
289 dnl just because they can't build viconf.
296 dnl See whether we can include both string.h and strings.h.
297 AC_CACHE_CHECK([whether string.h and strings.h may both be included],
298 gcc_cv_header_string,
302 #include <strings.h>],
303 [gcc_cv_header_string=yes],
304 [gcc_cv_header_string=no])
307 if test "$gcc_cv_header_string" = "yes"; then
308 AC_DEFINE(STRING_WITH_STRINGS, 1, [Define to 1 if string.h may be included along with strings.h])
313 dnl Check for stdarg.h - if we can't find it, halt configure
314 AC_CHECK_HEADER(stdarg.h, , [AC_MSG_ERROR([** stdarg.h could not be found - charybdis will not compile without it **])])
316 dnl Checks for the existence of strlcat, strlcpy, basename...
317 dnl This more reliable test only works with gcc though.
319 if test "$ac_cv_c_compiler_gnu" = yes; then
321 AC_MSG_CHECKING(for strlcpy)
323 CFLAGS="$CFLAGS -Wimplicit -Werror"
327 [[#include <string.h>
328 #include <stdlib.h>]],
329 [[char *a = malloc(6);
330 strlcpy(a, "hello", 6);]]
333 AC_DEFINE(HAVE_STRLCPY, 1, [Define if strlcpy is available (most BSDs.)])],
337 AC_MSG_CHECKING(for strlcat)
340 [[#include <string.h>
341 #include <stdlib.h>]],
342 [[char *a = malloc(6);
344 strlcat(a, "hello", 6);]]
347 AC_DEFINE(HAVE_STRLCAT, 1, [Define if strlcat is available (most BSDs.)])],
355 dnl Better than nothing. The more complicated test above probably fixes powerpc,
358 AC_CHECK_FUNCS([strlcat strlcpy])
362 AC_CHECK_TYPE([u_int32_t], [],
364 AC_CHECK_TYPE([uint32_t],
366 AC_DEFINE(u_int32_t, [uint32_t], [If system does not define u_int32_t, define a reasonable substitute.])
369 AC_MSG_WARN([system has no u_int32_t or uint32_t, default to unsigned long int])
370 AC_DEFINE(u_int32_t, [unsigned long int], [If system does not define u_int32_t, define to unsigned long int here.])
374 AC_CHECK_TYPE([u_int16_t], [],
376 AC_CHECK_TYPE([uint16_t],
378 AC_DEFINE(u_int16_t, [uint16_t], [If system does not define u_int16_t, define a usable substitute])
381 AC_MSG_WARN([system has no u_int16_t or uint16_t, default to unsigned short int])
382 AC_DEFINE(u_int16_t, [unsigned short int], [If system does not define u_int16_t, define a usable substitute.])
386 AC_CHECK_TYPE([in_port_t], [],
387 [AC_DEFINE(in_port_t, [u_int16_t], [If system does not define in_port_t, define it to what it should be.])],
388 [[#include <sys/types.h>
389 #include <netinet/in.h>]])
391 AC_CHECK_TYPE([sa_family_t], [],
392 [AC_DEFINE(sa_family_t, [u_int16_t], [If system does not define sa_family_t, define it here.])],
393 [[#include <sys/types.h>
394 #include <sys/socket.h>]])
396 AC_CHECK_TYPES([uintptr_t])
398 dnl check for various functions...
399 AC_CHECK_FUNCS([socketpair vsnprintf mmap gettimeofday strdup strndup ])
403 dnl Specialized functions checks
404 dnl ============================
406 dnl check for nanosleep
407 AC_CHECK_FUNC(nanosleep,,[AC_CHECK_LIB(rt,nanosleep,
409 [AC_CHECK_LIB(posix4,nanosleep, LIBS="${LIBS} -lposix4"
411 if test x$ac_cv_func_nanosleep = xno && test x$ac_cv_lib_posix4_nanosleep = xno && test x$ac_cv_lib_rt_nanosleep = xno
413 AC_MSG_RESULT("nanosleep not found..using select for delay")
415 AC_DEFINE([HAVE_NANOSLEEP], 1, [Define if nanosleep exists])
419 AC_MSG_CHECKING(for OpenSSL)
420 AC_ARG_ENABLE(openssl,
421 [AC_HELP_STRING([--enable-openssl[=DIR]],[Enable OpenSSL support (DIR optional).])
422 AC_HELP_STRING([--disable-openssl],[Disable OpenSSL support.])],
423 [cf_enable_openssl=$enableval],
424 [cf_enable_openssl="auto"])
426 if test "$cf_enable_openssl" != "no" ; then
427 cf_openssl_basedir=""
428 if test "$cf_enable_openssl" != "auto" &&
429 test "$cf_enable_openssl" != "yes" ; then
430 dnl Support for --enable-openssl=/some/place
431 cf_openssl_basedir="`echo ${cf_enable_openssl} | sed 's/\/$//'`"
433 dnl Do the auto-probe here. Check some common directory paths.
434 for dirs in /usr/local/ssl /usr/pkg /usr/local \
435 /usr/local/openssl ; do
436 if test -f "${dirs}/include/openssl/opensslv.h" ; then
437 cf_openssl_basedir="${dirs}"
443 dnl Now check cf_openssl_found to see if we found anything.
444 if test ! -z "$cf_openssl_basedir"; then
445 if test -f "${cf_openssl_basedir}/include/openssl/opensslv.h" ; then
446 SSL_INCLUDES="-I${cf_openssl_basedir}/include"
447 SSL_LIBS="-L${cf_openssl_basedir}/lib"
449 dnl OpenSSL wasn't found in the directory specified. Naughty
451 cf_openssl_basedir=""
454 dnl Check for stock FreeBSD 4.x and 5.x systems, since their files
455 dnl are in /usr/include and /usr/lib. In this case, we don't want to
456 dnl change INCLUDES or LIBS, but still want to enable OpenSSL.
457 dnl We can't do this check above, because some people want two versions
458 dnl of OpenSSL installed (stock FreeBSD 4.x/5.x and /usr/local/ssl)
459 dnl and they want /usr/local/ssl to have preference.
460 if test -f "/usr/include/openssl/opensslv.h" ; then
461 cf_openssl_basedir="/usr"
465 dnl If we have a basedir defined, then everything is okay. Otherwise,
466 dnl we have a problem.
467 if test ! -z "$cf_openssl_basedir"; then
468 AC_MSG_RESULT($cf_openssl_basedir)
469 cf_enable_openssl="yes"
471 AC_MSG_RESULT([not found. Specify a correct path?])
472 cf_enable_openssl="no"
474 unset cf_openssl_basedir
476 dnl If --disable-openssl was specified
477 AC_MSG_RESULT(disabled)
480 save_CPPFLAGS="$CPPFLAGS"
481 CPPFLAGS="$CPPFLAGS $SSL_INCLUDES"
483 LIBS="$LIBS $SSL_LIBS"
484 if test "$cf_enable_openssl" != no; then
485 dnl Check OpenSSL version (must be 0.9.6 or above!)
486 AC_MSG_CHECKING(for OpenSSL 0.9.6 or above)
489 [#include <openssl/opensslv.h>
490 #include <stdlib.h>],
491 [[if ( OPENSSL_VERSION_NUMBER >= 0x00906000)
492 exit(0); else exit(1);]]),
493 cf_openssl_version_ok=yes,
494 cf_openssl_version_ok=no,
495 cf_openssl_version_ok=no)
497 if test "$cf_openssl_version_ok" = yes; then
500 dnl Work around pmake/gmake conditional incompatibilities
501 AC_SUBST(ENCSPEED, encspeed)
503 dnl Do all the HAVE_LIBCRYPTO magic -- and check for ciphers
504 CPPFLAGS="$CPPFLAGS $SSL_LIBS"
505 AC_CHECK_LIB(crypto, RSA_free)
506 SSL_LIBS="$SSL_LIBS -lcrypto"
507 SSL_SRCS_ENABLE='$(SSL_SRCS)'
509 AC_MSG_RESULT(no - OpenSSL support disabled)
513 CPPFLAGS="$save_CPPFLAGS"
516 dnl End OpenSSL detection
519 dnl Specialized functions and libraries
520 dnl ===================================
522 AC_ARG_WITH(zlib-path,
523 AC_HELP_STRING([--with-zlib-path=DIR],[Path to libz.so for ziplinks support.]),
524 [LIBS="$LIBS -L$withval"],)
527 AC_HELP_STRING([--disable-zlib],[Disable ziplinks support]),
528 [zlib=$enableval],[zlib=yes])
530 if test "$zlib" = yes; then
532 AC_CHECK_HEADER(zlib.h, [
533 AC_CHECK_LIB(z, zlibVersion,
535 AC_SUBST(ZLIB_LD, -lz)
536 AC_DEFINE(HAVE_LIBZ, 1, [Define to 1 if zlib (-lz) is available.])
542 dnl IO Loop Selection
543 dnl =================
545 AC_ARG_ENABLE(ports, AC_HELP_STRING([--enable-ports],[Force solaris I/O ports subsystem usage.]),
546 [ if test $enableval = yes; then
547 SELECT_TYPE_EXPLICIT="ports"
553 AC_ARG_ENABLE(poll, AC_HELP_STRING([--enable-poll],[Force poll() usage.]),
554 [ if test $enableval = yes; then
555 SELECT_TYPE_EXPLICIT="poll"
561 AC_ARG_ENABLE(select, AC_HELP_STRING([--enable-select],[Force select() usage.]),
562 [ if test $enableval = yes; then
563 SELECT_TYPE_EXPLICIT="select"
569 AC_ARG_ENABLE(kqueue, AC_HELP_STRING([--enable-kqueue],[Force kqueue() usage.]),
570 [ if test $enableval = yes; then
571 SELECT_TYPE_EXPLICIT="kqueue"
577 AC_ARG_ENABLE(epoll, AC_HELP_STRING([--enable-epoll],[Force sys_epoll usage (Linux only).]),
578 [ if test $enableval = yes; then
579 SELECT_TYPE_EXPLICIT="epoll"
580 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], [haveepoll=no])
586 dnl **********************************************************************
587 dnl Check for --with-confdir
588 dnl **********************************************************************
590 AC_MSG_CHECKING([whether to modify confdir])
592 AC_HELP_STRING([--with-confdir=DIR],
593 [Directory to install config files.]),
594 [ confdir=`echo $withval | sed 's/\/$//'`
596 AC_DEFINE_DIR(ETC_DIR, confdir, [Prefix where config files are installed.])
597 AC_SUBST_DIR([confdir]) ],
598 [ confdir='${prefix}/etc'
600 AC_DEFINE_DIR(ETC_DIR, confdir, [Prefix where config files are installed.])
601 AC_SUBST_DIR([confdir])]
604 dnl **********************************************************************
605 dnl Check for --with-logdir
606 dnl **********************************************************************
608 AC_MSG_CHECKING([whether to modify logdir])
610 AC_HELP_STRING([--with-logdir=DIR],
611 [Directory where to write logfiles.]),
612 [ logdir=`echo $withval | sed 's/\/$//'`
614 AC_DEFINE_DIR(LOG_DIR, logdir, [Prefix where to write logfiles.])
615 AC_SUBST_DIR([logdir]) ],
616 [ logdir='${prefix}/logs'
618 AC_DEFINE_DIR(LOG_DIR, logdir, [Prefix where to write logfiles.])
619 AC_SUBST_DIR([logdir])]
622 dnl **********************************************************************
623 dnl Check for --with-helpdir
624 dnl **********************************************************************
626 AC_MSG_CHECKING([whether to modify helpdir])
628 AC_HELP_STRING([--with-helpdir=DIR],
629 [Directory to install help files.]),
630 [ helpdir=`echo $withval | sed 's/\/$//'`
632 AC_DEFINE_DIR(HELP_DIR, helpdir, [Prefix where help files are installed.])
633 AC_SUBST_DIR([helpdir]) ],
634 [ helpdir='${prefix}/help'
636 AC_DEFINE_DIR(HELP_DIR, helpdir, [Prefix where help file are installed.])
637 AC_SUBST_DIR([helpdir])]
640 dnl **********************************************************************
641 dnl Check for --with-moduledir
642 dnl **********************************************************************
644 AC_MSG_CHECKING([whether to modify moduledir])
645 AC_ARG_WITH(moduledir,
646 AC_HELP_STRING([--with-moduledir=DIR],
647 [Directory to install modules.]),
648 [ moduledir=`echo $withval | sed 's/\/$//'`
650 AC_DEFINE_DIR(MODULE_DIR, moduledir, [Prefix where modules are installed.])
651 AC_SUBST_DIR([moduledir]) ],
652 [ moduledir='${prefix}/modules'
654 AC_DEFINE_DIR(MODULE_DIR, moduledir, [Prefix where modules are installed.])
655 AC_SUBST_DIR([moduledir])]
658 dnl **********************************************************************
660 dnl **********************************************************************
662 AC_MSG_CHECKING([whether custom branding is requested])
663 AC_ARG_WITH(custom-branding,
664 AC_HELP_STRING([--with-custom-branding=NAME],
665 [Custom branding name.]),
666 [BRANDING_NAME=$withval
667 AC_MSG_RESULT([yes])],
668 [BRANDING_NAME=$PACKAGE_NAME
672 AC_MSG_CHECKING([whether a custom version is requested])
673 AC_ARG_WITH(custom-version,
674 AC_HELP_STRING([--with-custom-version=NAME],
675 [Custom version branding.]),
676 [BRANDING_VERSION=$withval
677 AC_MSG_RESULT([yes])],
678 [BRANDING_VERSION=$PACKAGE_VERSION
682 AC_DEFINE_UNQUOTED(BRANDING_NAME, ["$BRANDING_NAME"], [Custom branding name.])
683 AC_DEFINE_UNQUOTED(BRANDING_VERSION, ["$BRANDING_VERSION"], [Custom branding name.])
685 if test "x$BRANDING_NAME" != "x$PACKAGE_NAME"; then
686 AC_DEFINE(CUSTOM_BRANDING, 1, [Define if custom branding is enabled.])
689 if test ! -z "$SELECT_TYPE_EXPLICIT"; then
690 SELECT_TYPE="$SELECT_TYPE_EXPLICIT";
691 echo "Forcing $SELECT_TYPE to be enabled"
694 if test ! "x$use_ports" = "xno"; then
695 AC_CHECK_FUNCS(port_getn, [haveports=yes], [haveports=no])
696 if test "x$haveports" = "xyes" ; then
701 if test ! "x$use_select" = "xno"; then
702 AC_CHECK_FUNCS(select, [haveselect=yes], [haveselect=no])
703 if test "x$haveselect" = "xyes" ; then
708 if test ! "x$use_poll" = "xno"; then
709 AC_CHECK_FUNCS(poll, [havepoll=yes], [havepoll=no])
710 if test "x$havepoll" = "xyes" ; then
715 if test ! "x$use_kqueue" = "xno"; then
716 AC_CHECK_FUNCS(kevent, [havekqueue=yes], [havekqueue=no])
717 if test "x$havekqueue" = "xyes" ; then
722 if test ! "x$use_epoll" = "xno"; then
723 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], [haveepoll=no])
724 if test "x$ac_cv_header_sys_epoll_h" = "xyes"; then
725 if test "x$haveepoll" = "xyes" ; then
726 AC_MSG_CHECKING(for epoll support in kernel)
729 #include <sys/param.h>
730 #include <sys/types.h>
731 #include <sys/epoll.h>
732 #include <sys/syscall.h>
736 main(int argc, char **argv)
740 epfd = epoll_create(256);
741 return (epfd == -1 ? 1 : 0);
742 }, [AC_MSG_RESULT(yes)
743 AC_DEFINE(HAVE_EPOLL, 1,
744 [Define if your system supports the epoll system calls])
745 SELECT_TYPE="epoll"],
746 AC_MSG_RESULT(no), AC_MSG_RESULT(no))
752 if test "x$ac_cv_header_sys_epoll_h" = "xyes"; then
753 if test "x$haveepoll" = "xno" ; then
754 AC_MSG_CHECKING(for epoll system call)
757 #include <sys/param.h>
758 #include <sys/types.h>
759 #include <sys/epoll.h>
760 #include <sys/syscall.h>
764 epoll_create(int size)
766 return (syscall(__NR_epoll_create, size));
770 main(int argc, char **argv)
774 epfd = epoll_create(256);
775 exit (epfd == -1 ? 1 : 0);
776 }, [AC_MSG_RESULT(yes)
777 AC_DEFINE(HAVE_EPOLL, 1,
778 [Define if your system supports the epoll system calls])
779 SELECT_TYPE="epoll"],
780 AC_MSG_RESULT(no), AC_MSG_RESULT(no))
788 if test -z "$SELECT_TYPE"; then
789 AC_MSG_ERROR([Unable to find a usable IO interface],)
792 echo "Using $SELECT_TYPE for select loop."
794 AC_DEFINE_UNQUOTED(SELECT_TYPE, "$SELECT_TYPE", [This is the type of IO loop we are using])
795 AC_SUBST(SELECT_TYPE)
798 dnl Debug-related options
799 dnl =====================
801 AC_ARG_ENABLE(assert,
802 AC_HELP_STRING([--enable-assert],[Enable assert(). Choose between soft(warnings) and hard(aborts the daemon)]),
803 [assert=$enableval], [assert=no])
805 if test "$assert" = no; then
806 AC_DEFINE(NDEBUG, 1, [Define this to disable debugging support.])
807 elif test "$assert" = soft; then
808 AC_DEFINE(SOFT_ASSERT, 1, [Define this to enable soft asserts.])
809 AC_DEFINE(NDEBUG, 1, [Define this to disable debugging support.])
810 elif test "$assert" = yes; then
814 AC_MSG_CHECKING(if you want IO Debugging hooks)
815 AC_ARG_ENABLE(iodebug,
816 AC_HELP_STRING([--enable-iodebug],[Enable IO Debugging hooks]),
817 [iodebug=$enableval], [iodebug=no])
819 if test "$iodebug" = yes; then
820 AC_DEFINE(USE_IODEBUG_HOOKS, 1, [Define this to enable IO Debug hooks.])
827 AC_MSG_CHECKING(if you want to do a profile build)
828 AC_ARG_ENABLE(profile,
829 AC_HELP_STRING([--enable-profile],[Enable profiling]),
830 [profile=$enableval], [profile=no])
832 if test "$profile" = yes; then
833 if test "$ac_cv_c_compiler_gnu" = yes; then
834 IRC_CFLAGS="$IRC_CFLAGS -pg"
835 AC_MSG_RESULT([yes, adding -pg])
836 AC_DEFINE(CHARYBDIS_PROFILE, 1, [Define this if you are profiling.])
838 AC_MSG_RESULT([no, profile builds only work with gcc])
844 AC_ARG_ENABLE(balloc,
845 AC_HELP_STRING([--disable-balloc],[Disable the block allocator.]),
846 [balloc=$enableval], [balloc=yes])
848 if test "$balloc" = no; then
849 AC_DEFINE([NOBALLOC], 1, [Define to 1 if you wish to disable the block allocator.])
852 AC_ARG_ENABLE(small-net,
853 AC_HELP_STRING([--enable-small-net],[Enable small network support.]),
854 [small_net=$enableval], [small_net=no])
856 if test "$small_net" = yes; then
857 dnl AC_DEFINE([HASHSIZE], 4096, [Max number of buckets in hash tables.])
858 AC_DEFINE([NICKNAMEHISTORYLENGTH], 1500, [Size of the WHOWAS array.])
859 AC_DEFINE([CHANNEL_HEAP_SIZE], 256, [Size of the channel heap.])
860 AC_DEFINE([BAN_HEAP_SIZE], 128, [Size of the ban heap.])
861 AC_DEFINE([CLIENT_HEAP_SIZE], 256, [Size of the client heap.])
862 AC_DEFINE([LCLIENT_HEAP_SIZE], 128, [Size of the local client heap.])
863 AC_DEFINE([PCLIENT_HEAP_SIZE], 32, [Size of the pre-client heap.])
864 AC_DEFINE([USER_HEAP_SIZE], 128, [Size of the user heap.])
865 AC_DEFINE([DNODE_HEAP_SIZE], 256, [Size of the dlink_node heap.])
866 AC_DEFINE([TOPIC_HEAP_SIZE], 256, [Size of the topic heap.])
867 AC_DEFINE([LINEBUF_HEAP_SIZE], 128, [Size of the linebuf heap.])
868 AC_DEFINE([MEMBER_HEAP_SIZE], 256, [Sizeof member heap.])
869 AC_DEFINE([ND_HEAP_SIZE], 128, [Size of the nick delay heap.])
870 AC_DEFINE([CONFITEM_HEAP_SIZE], 128, [Size of the confitem heap.])
871 AC_DEFINE([MONITOR_HEAP_SIZE], 128, [Size of the monitor heap.])
872 AC_DEFINE([FD_HEAP_SIZE], 128, [Size of fd heap.])
873 AC_DEFINE([AWAY_HEAP_SIZE], 128, [Size of away heap.])
875 dnl These settings are for a large network like efnet..they will use lots of memory
876 dnl so enable small net unless you really need this much support
877 AC_DEFINE([NICKNAMEHISTORYLENGTH], 15000, [Size of the WHOWAS array.])
878 AC_DEFINE([CHANNEL_HEAP_SIZE], 8192, [Size of the channel heap.])
879 AC_DEFINE([BAN_HEAP_SIZE], 4096, [Size of the ban heap.])
880 AC_DEFINE([CLIENT_HEAP_SIZE], 8192, [Size of the client heap.])
881 AC_DEFINE([LCLIENT_HEAP_SIZE], 1024, [Size of the local client heap.])
882 AC_DEFINE([PCLIENT_HEAP_SIZE], 256, [Size of the pre-client heap.])
883 AC_DEFINE([USER_HEAP_SIZE], 8192, [Size of the user heap.])
884 AC_DEFINE([DNODE_HEAP_SIZE], 8192, [Size of the dlink_node heap.])
885 AC_DEFINE([TOPIC_HEAP_SIZE], 4096, [Size of the topic heap.])
886 AC_DEFINE([LINEBUF_HEAP_SIZE], 2048, [Size of the linebuf heap.])
887 AC_DEFINE([MEMBER_HEAP_SIZE], 32768, [Sizeof member heap.])
888 AC_DEFINE([ND_HEAP_SIZE], 512, [Size of the nick delay heap.])
889 AC_DEFINE([CONFITEM_HEAP_SIZE], 256, [Size of the confitem heap.])
890 AC_DEFINE([MONITOR_HEAP_SIZE], 1024, [Size of the monitor heap.])
891 AC_DEFINE([FD_HEAP_SIZE], 1024, [Size of fd heap.])
892 AC_DEFINE([AWAY_HEAP_SIZE], 512, [Size of away heap.])
896 AC_HELP_STRING([--with-nicklen=LENGTH],[Set the upper-bound nick length to LENGTH (default 31, max 50)]),
898 if ! expr "$withval" + 0 >/dev/null 2>&1; then
899 AC_ERROR([NICKLEN must be a numeric value])
901 if test $withval -gt 50; then
903 AC_MSG_WARN([NICKLEN has a hard limit of 50. Setting NICKLEN=50])
904 elif test $withval -lt 9; then
906 AC_MSG_WARN([NICKLEN has a lower limit of 9. Setting NICKLEN=9])
912 AC_ARG_WITH(topiclen,
913 AC_HELP_STRING([--with-topiclen=NUMBER],[Set the max topic length to NUMBER (default 390, max 390)]),
915 if test $withval -ge 390; then
917 AC_MSG_WARN([TOPICLEN has a hard limit of 390. Setting TOPICLEN=390])
923 AC_DEFINE_UNQUOTED(TOPICLEN, ${TOPICLEN}, [Maximum topic length (<=390)])
924 AC_DEFINE_UNQUOTED(NICKLEN, (${NICKLEN}+1), [Nickname length])
927 dnl Some first-stage sanity checks.
928 if test "$shared_modules" = yes; then
929 dnl TenDRA's cc is called tcc too.
930 if test "$CC" = tcc -a "$TenDRA" = "no"; then
931 AC_MSG_WARN([disabling shared modules: Tiny C Compiler can't create PIC])
936 dnl Second stage: check for functions and headers.
937 if test "$shared_modules" = yes; then
939 AC_CHECK_HEADERS(dlfcn.h)
940 AC_SEARCH_LIBS(shl_load, dld,
942 AC_DEFINE(HAVE_SHL_LOAD, 1, [Define if the shl_load function is available.])
944 MOD_TARGET=hpux_shared
950 AC_SEARCH_LIBS(dlopen, [dl c_r],
952 AC_DEFINE(HAVE_DLOPEN, 1, [Define if the dlopen function is available.])
954 MOD_TARGET=shared_modules
956 if test "$AppleGCC" = yes; then
957 AC_CHECK_HEADERS([mach-o/dyld.h])
959 AC_CHECK_FUNC(dlsym, ,
961 AC_MSG_WARN([dlsym is not available, shared modules disabled])
964 AC_CHECK_FUNCS(dlfunc)
972 AC_DEFINE_UNQUOTED(SHARED_SUFFIX, "$SUFFIX", [Suffix for shared libraries on this platform.])
974 dnl Third stage - wrangling the linker.
975 if test "$shared_modules" = yes; then
976 # The GNU linker requires the -export-dynamic option to make
977 # all symbols visible in the dynamic symbol table.
978 hold_ldflags=$LDFLAGS
979 AC_MSG_CHECKING(for the ld -export-dynamic flag)
980 LDFLAGS="${LDFLAGS} -Wl,-export-dynamic -Werror"
981 AC_LINK_IFELSE(AC_LANG_PROGRAM([],[int i;]), found=yes, found=no)
982 LDFLAGS=$hold_ldflags
984 if expr "`uname -s`" : ^IRIX >/dev/null 2>&1; then
985 found="no, IRIX ld uses -B,dynamic"
986 LDFLAGS="${LDFLAGS} -Wl,-B,dynamic"
989 if expr "`uname -s`" : ^AIX >/dev/null 2>&1; then
990 found="no, AIX ld uses -G -brtl"
991 LDFLAGS="${LDFLAGS} -Wl,-G,-brtl"
994 AC_MSG_RESULT($found)
996 if test "$found" = yes; then
997 LDFLAGS="${LDFLAGS} -Wl,-export-dynamic"
1000 AC_MSG_CHECKING(for compiler option to produce PIC)
1001 dnl The order should be here to check for groups of compilers,
1002 dnl then for odd compilers, then if no PICFLAGS were set up,
1003 dnl check for GCC and set defaults, or else error. -jmallett
1004 if test "$SGS" = "yes"; then
1005 AC_MSG_RESULT([SVR4 SGS interfaces: -KPIC -DPIC -G])
1006 PICFLAGS="-KPIC -DPIC -G"
1009 if test "$AppleGCC" = "yes"; then
1010 AC_MSG_RESULT([Darwin Mach-O bundles: -fno-common -bundle -flat_namespace -undefined suppress])
1011 PICFLAGS="-fno-common -bundle -flat_namespace -undefined suppress"
1013 dnl Please note, that on HPUX two different stages of module compilation occurs, since
1014 dnl while compiling modules, the compiler does not allow you to give arguments
1015 dnl to the linker. (I did not design this)
1016 dnl So we need -c in the first stage of module compilation.
1017 dnl In the second stage, we link the modules via ld -b.
1018 dnl Additionally, HPUX does not like -export-dynamic, it likes -E instead.
1020 if test "$HPUX" = "yes" -a "$CC" != gcc; then
1021 AC_MSG_RESULT(HP-UX cc: +z -r -q -n)
1022 PICFLAGS="+z -r -q -n -c"
1023 AC_MSG_CHECKING([if +ESfic is required on this platform])
1025 if expr "`$CC +ESfic 2>&1`" : ".*neither supported.*" >/dev/null; then
1029 PICFLAGS="$PICFLAGS +ESfic"
1032 LDFLAGS="${LDFLAGS} -Wl,-E"
1034 if test "$Tru" = yes -a "$CC" != gcc; then
1035 AC_MSG_RESULT([Tru64: -shared -expect_unresolved '*'])
1036 PICFLAGS="-shared -expect_unresolved '*' "
1037 LDFLAGS="-call_shared"
1039 if test -z "$PICFLAGS"; then
1040 if test "$ac_cv_c_compiler_gnu" = "yes"; then
1041 AC_MSG_RESULT(gcc: -fPIC -DPIC -shared)
1042 PICFLAGS="-fPIC -DPIC -shared"
1050 # rpath, for finding libratbox.so at run time
1051 hold_ldflags=$LDFLAGS
1052 AC_MSG_CHECKING(for the ld -rpath flag)
1053 LDFLAGS="${LDFLAGS} -Wl,-rpath=${libdir}"
1054 AC_LINK_IFELSE(AC_LANG_PROGRAM([],[int i;]), found=yes, found=no)
1055 LDFLAGS=$hold_ldflags
1056 AC_MSG_RESULT($found)
1057 if test "$found" = yes; then
1058 LDFLAGS="${LDFLAGS} -Wl,-rpath=\${libdir}"
1061 # This must be down here, or it will mess up checks like the ones
1062 # for -Wl,-export-dynamic
1065 AC_ARG_ENABLE(warnings,
1066 AC_HELP_STRING([--enable-warnings],[Enable all sorts of warnings for debugging.]),
1068 IRC_CFLAGS="$IRC_CFLAGS -O0"
1069 CFLAGS="$IRC_CFLAGS"
1071 CHARYBDIS_C_GCC_TRY_FLAGS([-Wall], charybdis_cv_c_gcc_w_all)
1072 CHARYBDIS_C_GCC_TRY_FLAGS([-Wpointer-arith], charybdis_cv_c_gcc_w_pointer_arith)
1073 CHARYBDIS_C_GCC_TRY_FLAGS([-Wimplicit -Wnested-externs], charybdis_cv_c_gcc_w_implicit)
1074 CHARYBDIS_C_GCC_TRY_FLAGS([-Wcast-align], charybdis_cv_c_gcc_w_cast_align)
1075 CHARYBDIS_C_GCC_TRY_FLAGS([-Wcast-qual], charybdis_cv_c_gcc_w_cast_qual)
1076 CHARYBDIS_C_GCC_TRY_FLAGS([-Wwrite-strings], charybdis_cv_c_gcc_w_write_strings)
1077 CHARYBDIS_C_GCC_TRY_FLAGS([-Werror-implicit-function-declaration], charybdis_cv_c_gcc_w_error_implicit_function_declaration)
1078 CHARYBDIS_C_GCC_TRY_FLAGS([-Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations], charybdis_cv_c_gcc_prototypes)
1079 CHARYBDIS_C_GCC_TRY_FLAGS([-Wparenthesis], charybdis_cv_c_gcc_parenthesis)
1080 CHARYBDIS_C_GCC_TRY_FLAGS([-W -Wno-unused], charybdis_cv_c_gcc_w)
1081 CHARYBDIS_C_GCC_TRY_FLAGS([-Wextra], charybdis_cv_c_gcc_w_extra)
1082 CHARYBDIS_C_GCC_TRY_FLAGS([-Wshadow], charybdis_cv_c_gcc_w_shadow)
1083 CHARYBDIS_C_GCC_TRY_FLAGS([-Wmissing-noreturn], charybdis_cv_c_gcc_w_missing_noreturn)
1084 CHARYBDIS_C_GCC_TRY_FLAGS([-Wundef], charybdis_cv_c_gcc_w_undef)
1085 CHARYBDIS_C_GCC_TRY_FLAGS([-Wpacked], charybdis_cv_c_gcc_w_packed)
1086 CHARYBDIS_C_GCC_TRY_FLAGS([-Wnested-externs], charybdis_cv_c_gcc_w_nested_externs)
1087 CHARYBDIS_C_GCC_TRY_FLAGS([-Wunused-function -Wunused-label -Wunused-value -Wunused-variable], charybdis_cv_c_gcc_w_unused)
1088 CHARYBDIS_C_GCC_TRY_FLAGS([-Wredundant-decls], charybdis_cv_c_gcc_w_redundant_decls)
1089 CHARYBDIS_C_GCC_TRY_FLAGS([-Wfloat-equal], charybdis_cv_c_gcc_w_float_equal)
1090 CHARYBDIS_C_GCC_TRY_FLAGS([-Wformat -Wformat-y2k -Wno-format-security], charybdis_cv_c_gcc_w_format)
1092 IRC_CFLAGS="$CFLAGS"
1095 if test "$shared_modules" = no; then
1097 MOD_TARGET="libmodules.a"
1098 MODULES_LIBS="../modules/libmodules.a"
1100 AC_DEFINE(STATIC_MODULES, 1, [Define to 1 if dynamic modules can't be used.])
1101 AC_MSG_WARN([shared module support has been disabled!])
1104 dnl Stage 5 - underscores in front of symbol names.
1105 if test "$shared_modules" = yes; then
1107 AC_CHECK_FUNC(nlist,,
1108 AC_CHECK_LIB(dl, nlist, nlist_lib="-ldl",
1109 AC_CHECK_LIB(elf, nlist, nlist_lib="-lelf",)
1113 dnl We need to find out whether underscores are appended to symbol
1114 dnl names in executable files. First, though, we need to see
1115 dnl where nlist.h is hiding.
1116 AC_CHECK_HEADER(libelf/nlist.h, [ nlist_h="libelf/nlist.h" ], )
1117 AC_CHECK_HEADER(elf/nlist.h, [ nlist_h="elf/nlist.h" ], )
1118 AC_CHECK_HEADER(nlist.h, [ nlist_h="nlist.h" ], )
1119 if test x"$nlist_h" = "x"; then
1120 AC_DEFINE_UNQUOTED(SYMBOL_PREFIX, "", [String containing extra underscores prepended to symbols loaded from modules.])
1122 AC_MSG_CHECKING(for extra underscores prepended to symbol names)
1123 AC_CACHE_VAL(symbol_underscores,
1125 cat << EOF > conftest.c
1129 void _modinit(void);
1130 int main(int argc, char *argv[[]]) {
1132 struct nlist nl[[5]];
1134 /* fill the names in this way, so it'll work almost everywhere */
1135 nl[[0]].n_name = "_modinit";
1136 nl[[1]].n_name = "__modinit";
1137 nl[[2]].n_name = "___modinit";
1138 nl[[3]].n_name = "____modinit";
1139 nl[[0]].n_value = nl[[1]].n_value = nl[[2]].n_value = nl[[3]].n_value = nl[[4]].n_name = NULL;
1141 if(argc < 2 || (nlist(argv[[1]], nl)) == -1) exit(-1);
1142 for(i = 0; i < 4; i++) {
1143 if(nl[[i]].n_value != NULL)
1146 for(j = 0; j < i; j++)
1153 void _modinit(void) { return; }
1155 $CC $CPPFLAGS $IRC_CFLAGS -o conftest conftest.c $nlist_lib >/dev/null 2>&1
1156 symbol_underscores=`./conftest conftest`
1157 AC_MSG_RESULT($symbol_underscores)
1158 $RM -f conftest conftest.c
1160 AC_DEFINE_UNQUOTED(SYMBOL_PREFIX, "${symbol_underscores}", [String containing extra underscores prepended to symbols loaded from modules.])
1164 IRC_CFLAGS="$IRC_CFLAGS $CWARNS"
1166 AC_SUBST(MODULES_LIBS)
1167 AC_SUBST(MOD_TARGET)
1169 AC_SUBST(SSL_SRCS_ENABLE)
1170 AC_SUBST(SSL_INCLUDES)
1175 AC_SUBST(IRC_CFLAGS)
1179 if test "$prefix" = "NONE"; then
1180 AC_DEFINE_UNQUOTED(IRCD_PREFIX, "$ac_default_prefix", [Prefix where the ircd is installed.])
1184 dnl Don't get bitten by Cygwin's stupidity if the user specified
1185 dnl a custom prefix with a trailing slash
1187 prefix=`echo $prefix | sed 's/\/$//'`
1188 AC_DEFINE_UNQUOTED(IRCD_PREFIX, "$prefix", [Prefix where the ircd is installed.])
1196 extensions/Makefile \
1206 if test "$cf_openssl_version_ok" = yes; then
1212 if test "$shared_modules" = yes; then
1219 Configuration of ${BRANDING_NAME}-${BRANDING_VERSION}:
1220 Install directory : $prefix
1224 Socket Engine : $SELECT_TYPE
1225 Small network : $small_net
1226 Block allocator : $balloc
1228 Nickname length : $NICKLEN
1229 Topic length : $TOPICLEN
1231 Use (g)make to compile $BRANDING_NAME, then (g)make install to install it.