2 # ngIRCd -- The Next Generation IRC Daemon
3 # Copyright (c)2001-2008 Alexander Barton <alex@barton.de>
5 # This program is free software; you can redistribute it and/or modify
6 # it under the terms of the GNU General Public License as published by
7 # the Free Software Foundation; either version 2 of the License, or
8 # (at your option) any later version.
9 # Please read the file COPYING, README and AUTHORS for more information.
12 # -- Initialisation --
16 AC_CONFIG_SRCDIR(src/ngircd/ngircd.c)
19 AM_CONFIG_HEADER(src/config.h)
21 # -- Templates for config.h --
23 AH_TEMPLATE([DEBUG], [Define if debug-mode should be enabled])
24 AH_TEMPLATE([HAVE_socklen_t], [Define if socklen_t exists])
25 AH_TEMPLATE([SNIFFER], [Define if IRC sniffer should be enabled])
26 AH_TEMPLATE([STRICT_RFC], [Define if ngIRCd should behave strict RFC compliant])
27 AH_TEMPLATE([SYSLOG], [Define if syslog should be used for logging])
28 AH_TEMPLATE([ZLIB], [Define if zlib compression should be enabled])
29 AH_TEMPLATE([TCPWRAP], [Define if TCP wrappers should be used])
30 AH_TEMPLATE([IRCPLUS], [Define if IRC+ protocol should be used])
31 AH_TEMPLATE([WANT_IPV6], [Define if IPV6 protocol should be enabled])
32 AH_TEMPLATE([ZEROCONF], [Define if support for Zeroconf should be included])
33 AH_TEMPLATE([IDENTAUTH], [Define if the server should do IDENT requests])
35 AH_TEMPLATE([TARGET_OS], [Target operating system name])
36 AH_TEMPLATE([TARGET_VENDOR], [Target system vendor])
37 AH_TEMPLATE([TARGET_CPU], [Target CPU name])
43 # -- Helper programs --
51 # -- Compiler Features --
57 # -- Hard coded system and compiler dependencies/features/options ... --
59 AC_DEFUN([GCC_STACK_PROTECT_CC],[
61 # we use -fstack-protector-all for the test to enfoce the use of the guard variable
62 AC_MSG_CHECKING([whether ${CC} accepts -fstack-protector])
63 ssp_old_cflags="$CFLAGS"
64 CFLAGS="$CFLAGS -fstack-protector-all"
65 AC_TRY_LINK(,,, ssp_cc=no)
67 CFLAGS="$ssp_old_cflags"
68 if test "X$ssp_cc" = "Xyes"; then
69 CFLAGS="$CFLAGS -fstack-protector"
70 AC_DEFINE([ENABLE_SSP_CC], 1, [Define if SSP C support is enabled.])
75 if test "$GCC" = "yes"; then
76 # We are using the GNU C compiler. Good!
77 CFLAGS="$CFLAGS -pipe -W -Wall -Wpointer-arith -Wstrict-prototypes"
84 # This is HP/UX, we need to define _XOPEN_SOURCE_EXTENDED
85 # (tested with HP/UX 11.11)
86 CFLAGS="$CFLAGS -D_XOPEN_SOURCE_EXTENDED"
90 # Add additional CFLAGS, eventually specified on the command line:
91 test -n "$CFLAGS_ADD" && CFLAGS="$CFLAGS $CFLAGS_ADD"
93 CFLAGS="$CFLAGS -DSYSCONFDIR='\"\$(sysconfdir)\"'"
102 ctype.h errno.h fcntl.h netdb.h netinet/in.h stdlib.h string.h \
103 strings.h sys/socket.h sys/time.h unistd.h \
104 ],,AC_MSG_ERROR([required C header missing!]))
106 AC_CHECK_HEADERS([arpa/inet.h ctype.h malloc.h stdbool.h stddef.h varargs.h])
110 AC_MSG_CHECKING(whether socklen_t exists)
112 #include <sys/types.h>
113 #include <sys/socket.h>
116 a = 2; b = 4; a += b;
118 AC_DEFINE(HAVE_socklen_t) AC_MSG_RESULT(yes)
129 AC_CHECK_LIB(UTIL,memmove)
130 AC_CHECK_LIB(socket,bind)
131 AC_CHECK_LIB(nsl,gethostent)
139 bind gethostbyaddr gethostbyname gethostname inet_ntoa malloc memmove \
140 memset realloc setsid setsockopt socket strcasecmp strchr strcspn strerror \
141 strstr waitpid],,AC_MSG_ERROR([required function missing!]))
143 AC_CHECK_FUNCS(inet_aton isdigit sigaction snprintf vsnprintf strdup strlcpy strlcat)
145 # -- Configuration options --
151 [ --without-syslog disable syslog (autodetected by default)],
152 [ if test "$withval" != "no"; then
153 if test "$withval" != "yes"; then
154 CFLAGS="-I$withval/include $CFLAGS"
155 CPPFLAGS="-I$withval/include $CPPFLAGS"
156 LDFLAGS="-L$withval/lib $LDFLAGS"
158 AC_CHECK_LIB(be, syslog)
159 AC_CHECK_FUNCS(syslog, x_syslog_on=yes,
160 AC_MSG_ERROR([Can't enable syslog!])
165 AC_CHECK_LIB(be, syslog)
166 AC_CHECK_FUNCS(syslog, x_syslog_on=yes)
169 if test "$x_syslog_on" = "yes"; then
171 AC_CHECK_HEADERS(syslog.h,,AC_MSG_ERROR([required C header missing!]))
174 # use zlib compression?
178 [ --without-zlib disable zlib compression (autodetected by default)],
179 [ if test "$withval" != "no"; then
180 if test "$withval" != "yes"; then
181 CFLAGS="-I$withval/include $CFLAGS"
182 CPPFLAGS="-I$withval/include $CPPFLAGS"
183 LDFLAGS="-L$withval/lib $LDFLAGS"
185 AC_CHECK_LIB(z, deflate)
186 AC_CHECK_FUNCS(deflate, x_zlib_on=yes,
187 AC_MSG_ERROR([Can't enable zlib!])
191 [ AC_CHECK_LIB(z, deflate)
192 AC_CHECK_FUNCS(deflate, x_zlib_on=yes)
195 if test "$x_zlib_on" = "yes"; then
197 AC_CHECK_HEADERS(zlib.h,,AC_MSG_ERROR([required C header missing!]))
200 # detect which IO API to use:
205 [ --without-select disable select IO support (autodetected by default)],
206 [ if test "$withval" != "no"; then
207 if test "$withval" != "yes"; then
208 CFLAGS="-I$withval/include $CFLAGS"
209 CPPFLAGS="-I$withval/include $CPPFLAGS"
210 LDFLAGS="-L$withval/lib $LDFLAGS"
212 AC_CHECK_FUNCS(select, x_io_select=yes,
213 AC_MSG_ERROR([Can't enable select IO support!])
218 AC_CHECK_FUNCS(select, x_io_select=yes)
223 [ --without-poll disable poll support (autodetected by default)],
224 [ if test "$withval" != "no"; then
225 if test "$withval" != "yes"; then
226 CFLAGS="-I$withval/include $CFLAGS"
227 CPPFLAGS="-I$withval/include $CPPFLAGS"
228 LDFLAGS="-L$withval/lib $LDFLAGS"
230 AC_CHECK_FUNCS(poll, x_io_backend=poll\(\),
231 AC_MSG_ERROR([Can't enable poll IO support!])
236 AC_CHECK_FUNCS(poll, x_io_backend=poll\(\))
241 [ --without-devpoll disable /dev/poll IO support (autodetected by default)],
242 [ if test "$withval" != "no"; then
243 if test "$withval" != "yes"; then
244 CFLAGS="-I$withval/include $CFLAGS"
245 CPPFLAGS="-I$withval/include $CPPFLAGS"
246 LDFLAGS="-L$withval/lib $LDFLAGS"
249 AC_CHECK_HEADERS(sys/devpoll.h,,AC_MSG_ERROR([required C header missing!]))
253 AC_CHECK_HEADERS(sys/devpoll.h, x_io_backend=/dev/poll)
258 [ --without-epoll disable epoll IO support (autodetected by default)],
259 [ if test "$withval" != "no"; then
260 if test "$withval" != "yes"; then
261 CFLAGS="-I$withval/include $CFLAGS"
262 CPPFLAGS="-I$withval/include $CPPFLAGS"
263 LDFLAGS="-L$withval/lib $LDFLAGS"
265 AC_CHECK_FUNCS(epoll_create, x_io_epoll=yes,
266 AC_MSG_ERROR([Can't enable epoll IO support!])
271 AC_CHECK_FUNCS(epoll_create, x_io_epoll=yes)
276 [ --without-kqueue disable kqueue IO support (autodetected by default)],
277 [ if test "$withval" != "no"; then
278 if test "$withval" != "yes"; then
279 CFLAGS="-I$withval/include $CFLAGS"
280 CPPFLAGS="-I$withval/include $CPPFLAGS"
281 LDFLAGS="-L$withval/lib $LDFLAGS"
283 AC_CHECK_FUNCS(kqueue, x_io_backend=kqueue\(\),
284 AC_MSG_ERROR([Can't enable kqueue IO support!])
289 AC_CHECK_FUNCS(kqueue, x_io_backend=kqueue\(\))
293 if test "$x_io_epoll" = "yes" -a "$x_io_select" = "yes"; then
294 # when epoll() and select() are available, we'll use both!
295 x_io_backend="epoll(), select()"
297 if test "$x_io_epoll" = "yes"; then
298 # we prefere epoll() if it is available
299 x_io_backend="epoll()"
301 if test "$x_io_select" = "yes" -a "$x_io_backend" = "none"; then
302 # we'll use select, when available and no "better"
303 # interface has been detected ...
304 x_io_backend="select()"
309 if test "$x_io_backend" = "none"; then
310 AC_MSG_ERROR([No useabe IO API activated/found!?])
316 AC_ARG_WITH(tcp-wrappers,
317 [ --with-tcp-wrappers enable TCP wrappers support],
318 [ if test "$withval" != "no"; then
319 if test "$withval" != "yes"; then
320 CFLAGS="-I$withval/include $CFLAGS"
321 CPPFLAGS="-I$withval/include $CPPFLAGS"
322 LDFLAGS="-L$withval/lib $LDFLAGS"
324 AC_MSG_CHECKING(for hosts_access)
328 int allow_severity = 0;
329 int deny_severity = 0;
331 tcpd_warn("link test");
334 AC_DEFINE(TCPWRAP, 1)
338 AC_MSG_ERROR([Can't enable TCP wrappers!])
344 # include support for "zeroconf"?
347 AC_ARG_WITH(zeroconf,
348 [ --with-zeroconf enable support for "Zeroconf"],
349 [ if test "$withval" != "no"; then
350 if test "$withval" != "yes"; then
351 CFLAGS="-I$withval/include $CFLAGS"
352 CPPFLAGS="-I$withval/include $CPPFLAGS"
353 LDFLAGS="-L$withval/lib $LDFLAGS"
355 AC_CHECK_FUNCS(DNSServiceRegistrationCreate, x_zeroconf_on=osx,
357 AC_CHECK_LIB(pthread, pthread_mutexattr_init)
358 AC_CHECK_LIB(howl, sw_discovery_init)
359 AC_CHECK_FUNCS(sw_discovery_init, \
360 x_zeroconf_on=howl, \
361 AC_MSG_ERROR([Can't enable Zeroconf!]))
366 if test "$x_zeroconf_on" = "osx"; then
367 AC_CHECK_HEADERS([DNSServiceDiscovery/DNSServiceDiscovery.h \
368 mach/port.h],,AC_MSG_ERROR([required C header missing!]))
369 AC_DEFINE(ZEROCONF, 1)
371 if test "$x_zeroconf_on" = "howl"; then
372 for dir in /usr/local/include /usr/local/include/howl* \
373 /usr/include /usr/include/howl* \
374 /usr/local/include/avahi* /usr/include/avahi*; do
375 test -d "$dir" || continue
376 AC_MSG_CHECKING([for Howl headers in $dir])
377 if test -f "$dir/rendezvous/rendezvous.h"; then
378 if test "$dir" != "/usr/local/include" -a \
379 "$dir" != "/usr/include"; then
380 CFLAGS="-I$dir $CFLAGS"
381 CPPFLAGS="-I$dir $CPPFLAGS"
389 AC_CHECK_HEADERS([rendezvous/rendezvous.h],, \
390 AC_MSG_ERROR([required C header missing!]))
391 AC_DEFINE(ZEROCONF, 1)
394 # do IDENT requests using libident?
398 [ --with-ident enable "IDENT" ("AUTH") protocol support],
399 [ if test "$withval" != "no"; then
400 if test "$withval" != "yes"; then
401 CFLAGS="-I$withval/include $CFLAGS"
402 CPPFLAGS="-I$withval/include $CPPFLAGS"
403 LDFLAGS="-L$withval/lib $LDFLAGS"
405 AC_CHECK_LIB(ident, ident_id)
406 AC_CHECK_FUNCS(ident_id, x_identauth_on=yes,
407 AC_MSG_ERROR([Can't enable IDENT support!])
412 if test "$x_identauth_on" = "yes"; then
413 AC_DEFINE(IDENTAUTH, 1)
414 AC_CHECK_HEADERS(ident.h,,AC_MSG_ERROR([required C header missing!]))
417 # compile in IRC+ protocol support?
420 AC_ARG_ENABLE(ircplus,
421 [ --disable-ircplus disable IRC+ protocol],
422 if test "$enableval" = "no"; then x_ircplus_on=no; fi
424 if test "$x_ircplus_on" = "yes"; then
425 AC_DEFINE(IRCPLUS, 1)
428 # enable support for IPv6?
431 [ --enable-ipv6, enable IPv6 protocol support],
432 if test "$enableval" = "yes"; then x_ipv6_on=yes; fi
434 if test "$x_ipv6_on" = "yes"; then
436 getaddrinfo getnameinfo \
437 ],,AC_MSG_ERROR([required function missing for IPv6 support!]))
438 AC_DEFINE(WANT_IPV6, 1)
441 # compile in IRC "sniffer"?
443 x_sniffer_on=no; x_debug_on=no
444 AC_ARG_ENABLE(sniffer,
445 [ --enable-sniffer enable IRC traffic sniffer (enables debug mode)],
446 if test "$enableval" = "yes"; then
447 AC_DEFINE(SNIFFER, 1)
448 x_sniffer_on=yes; x_debug_on=yes
452 # enable additional debugging code?
455 [ --enable-debug show additional debug output],
456 if test "$enableval" = "yes"; then x_debug_on=yes; fi
458 if test "$x_debug_on" = "yes"; then
460 test "$GCC" = "yes" && CFLAGS="-pedantic $CFLAGS"
463 # enable "strict RFC rules"?
466 AC_ARG_ENABLE(strict-rfc,
467 [ --enable-strict-rfc strict RFC conformance -- may break clients!],
468 if test "$enableval" = "yes"; then
469 AC_DEFINE(STRICT_RFC, 1)
476 AC_DEFINE_UNQUOTED(TARGET_CPU, "$target_cpu" )
477 AC_DEFINE_UNQUOTED(TARGET_VENDOR, "$target_vendor" )
478 AC_DEFINE_UNQUOTED(TARGET_OS, "$target_os" )
480 # Add additional CFLAGS, eventually specified on the command line, but after
481 # running this configure script. Useful for "-Werror" for example.
482 test -n "$CFLAGS_END" && CFLAGS="$CFLAGS $CFLAGS_END"
484 # -- Generate files --
491 src/portab/Makefile \
492 src/ipaddr/Makefile \
494 src/ngircd/Makefile \
495 src/testsuite/Makefile \
498 contrib/Debian/Makefile \
499 contrib/MacOSX/Makefile \
500 contrib/MacOSX/ngIRCd.xcodeproj/Makefile \
503 type dpkg >/dev/null 2>&1
504 if test $? -eq 0; then
505 # Generate debian/ link if the dpkg command exists
506 # (read: if we are running on a debian compatible system)
507 echo "creating Debian-specific links ..."
508 test -f debian/rules || ln -s contrib/Debian debian
514 echo "ngIRCd $PACKAGE_VERSION has been configured with the following options:"
517 # Someone please show me a better way :) [borrowed by OpenSSH]
518 B=`eval echo ${bindir}` ; B=`eval echo ${B}`
519 S=`eval echo ${sbindir}` ; S=`eval echo ${S}`
520 C=`eval echo ${sysconfdir}` ; C=`eval echo ${C}`
521 M=`eval echo ${mandir}` ; M=`eval echo ${M}`
522 D=`eval echo ${datadir}/doc/${PACKAGE}` ; D=`eval echo ${D}`
524 echo " Target: ${target}"
525 test "$target" != "$host" && echo " Host: ${host}"
526 echo " Compiler: ${CC}"
527 test -n "$CFLAGS" && echo " Compiler flags: ${CFLAGS}"
528 test -n "$CPPFLAGS" && echo " Preprocessor flags: ${CPPFLAGS}"
529 test -n "$LDFLAGS" && echo " Linker flags: ${LDFLAGS}"
530 test -n "$LIBS" && echo " Libraries: ${LIBS}"
532 echo " 'ngircd' binary: $S"
533 echo " Configuration file: $C"
534 echo " Manual pages: $M"
535 echo " Documentation: $D"
538 echo $ECHO_N " Syslog support: $ECHO_C"
539 test "$x_syslog_on" = "yes" \
540 && echo $ECHO_N "yes $ECHO_C" \
541 || echo $ECHO_N "no $ECHO_C"
542 echo $ECHO_N " Enable debug code: $ECHO_C"
543 test "$x_debug_on" = "yes" \
547 echo $ECHO_N " zlib compression: $ECHO_C"
548 test "$x_zlib_on" = "yes" \
549 && echo $ECHO_N "yes $ECHO_C" \
550 || echo $ECHO_N "no $ECHO_C"
551 echo $ECHO_N " IRC sniffer: $ECHO_C"
552 test "$x_sniffer_on" = "yes" \
556 echo $ECHO_N " Use TCP Wrappers: $ECHO_C"
557 test "$x_tcpwrap_on" = "yes" \
558 && echo $ECHO_N "yes $ECHO_C" \
559 || echo $ECHO_N "no $ECHO_C"
560 echo $ECHO_N " Strict RFC mode: $ECHO_C"
561 test "$x_strict_rfc_on" = "yes" \
565 echo $ECHO_N " Zeroconf support: $ECHO_C"
566 case "$x_zeroconf_on" in
568 echo $ECHO_N "Apple $ECHO_C"
571 echo $ECHO_N "Howl $ECHO_C"
574 echo $ECHO_N "no $ECHO_C"
577 echo $ECHO_N " IRC+ protocol: $ECHO_C"
578 test "$x_ircplus_on" = "yes" \
582 echo $ECHO_N " IDENT support: $ECHO_C"
583 test "$x_identauth_on" = "yes" \
584 && echo $ECHO_N "yes $ECHO_C" \
585 || echo $ECHO_N "no $ECHO_C"
586 echo $ECHO_N " I/O backend: $ECHO_C"
587 echo "\"$x_io_backend\""
589 echo $ECHO_N " IPv6 protocol: $ECHO_C"