X-Git-Url: https://arthur.barton.de/cgi-bin/gitweb.cgi?p=ngircd-alex.git;a=blobdiff_plain;f=configure.in;h=9b2c7128fa259c642d4d199b665a8380ca6a6a7d;hp=9d9cd64b04a399877a3027ab578aed746c110156;hb=5b35b101f2c5a208c94840e3b020f50d8c91b64f;hpb=d79b2f0a350b74106265af3abe70e9856feb9a82

diff --git a/configure.in b/configure.in
index 9d9cd64b..9b2c7128 100644
--- a/configure.in
+++ b/configure.in
@@ -1,32 +1,37 @@
 #
 # ngIRCd -- The Next Generation IRC Daemon
-# Copyright (c)2001,2002 by Alexander Barton (alex@barton.de)
+# Copyright (c)2001-2005 Alexander Barton <alex@barton.de>
 #
-# Dieses Programm ist freie Software. Sie koennen es unter den Bedingungen
-# der GNU General Public License (GPL), wie von der Free Software Foundation
-# herausgegeben, weitergeben und/oder modifizieren, entweder unter Version 2
-# der Lizenz oder (wenn Sie es wuenschen) jeder spaeteren Version.
-# Naehere Informationen entnehmen Sie bitter der Datei COPYING. Eine Liste
-# der an ngIRCd beteiligten Autoren finden Sie in der Datei AUTHORS.
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+# Please read the file COPYING, README and AUTHORS for more information.
 #
-# $Id: configure.in,v 1.39 2002/03/30 18:02:39 alex Exp $
+# $Id: configure.in,v 1.124 2006/10/02 21:57:13 fw Exp $
 #
 
-# -- Initialisierung --
+# -- Initialisation --
 
-AC_INIT
+AC_PREREQ(2.50)
+AC_INIT(ngircd, CVSHEAD)
+AC_CONFIG_SRCDIR(src/ngircd/ngircd.c)
 AC_CANONICAL_TARGET
-AC_CONFIG_SRCDIR(src/config.h.in)
-AM_INIT_AUTOMAKE(ngircd,0.3.0-CVS)
+AM_INIT_AUTOMAKE(1.6)
 AM_CONFIG_HEADER(src/config.h)
 
-# -- Templates fuer config.h --
+# -- Templates for config.h --
 
 AH_TEMPLATE([DEBUG], [Define if debug-mode should be enabled])
 AH_TEMPLATE([HAVE_socklen_t], [Define if socklen_t exists])
 AH_TEMPLATE([SNIFFER], [Define if IRC sniffer should be enabled])
 AH_TEMPLATE([STRICT_RFC], [Define if ngIRCd should behave strict RFC compliant])
-AH_TEMPLATE([USE_SYSLOG], [Define if syslog should be used for logging])
+AH_TEMPLATE([SYSLOG], [Define if syslog should be used for logging])
+AH_TEMPLATE([ZLIB], [Define if zlib compression should be enabled])
+AH_TEMPLATE([TCPWRAP], [Define if TCP wrappers should be used])
+AH_TEMPLATE([IRCPLUS], [Define if IRC+ protocol should be used])
+AH_TEMPLATE([ZEROCONF], [Define if support for Zeroconf should be included])
+AH_TEMPLATE([IDENTAUTH], [Define if the server should do IDENT requests])
 
 AH_TEMPLATE([TARGET_OS], [Target operating system name])
 AH_TEMPLATE([TARGET_VENDOR], [Target system vendor])
@@ -35,9 +40,8 @@ AH_TEMPLATE([TARGET_CPU], [Target CPU name])
 # -- C Compiler --
 
 AC_PROG_CC
-AC_LANG_C
 
-# -- Hilfsprogramme --
+# -- Helper programs --
 
 AC_PROG_AWK
 AC_PROG_INSTALL
@@ -45,25 +49,69 @@ AC_PROG_LN_S
 AC_PROG_MAKE_SET
 AC_PROG_RANLIB
 
-# -- Header --
+# -- Compiler Features --
+
+AM_C_PROTOTYPES
+AC_C_CONST
+AC_C_INLINE
+
+# -- Hard coded system and compiler dependencies/features/options ... --
+
+AC_DEFUN([GCC_STACK_PROTECT_CC],[
+  ssp_cc=yes
+  # we use -fstack-protector-all for the test to enfoce the use of the guard variable 
+  AC_MSG_CHECKING([whether ${CC} accepts -fstack-protector])
+  ssp_old_cflags="$CFLAGS"
+  CFLAGS="$CFLAGS -fstack-protector-all"
+  AC_TRY_LINK(,,, ssp_cc=no)
+  echo $ssp_cc
+  CFLAGS="$ssp_old_cflags"
+  if test "X$ssp_cc" = "Xyes"; then
+      CFLAGS="$CFLAGS -fstack-protector"
+      AC_DEFINE([ENABLE_SSP_CC], 1, [Define if SSP C support is enabled.])
+  fi
+])
 
-AC_HEADER_STDC
 
-AC_HEADER_TIME
+if test "$GCC" = "yes"; then
+	# We are using the GNU C compiler. Good!
+	CFLAGS="$CFLAGS -pipe -W -Wall -Wpointer-arith -Wstrict-prototypes"
+
+	GCC_STACK_PROTECT_CC
+fi
 
-AC_CHECK_HEADERS(arpa/inet.h)
+case "$target_os" in
+	hpux*)
+		# This is HP/UX, we need to define _XOPEN_SOURCE_EXTENDED
+		# (tested with HP/UX 11.11)
+		CFLAGS="$CFLAGS -D_XOPEN_SOURCE_EXTENDED"
+		;;
+esac
+
+# Add additional CFLAGS, eventually specified on the command line:
+test -n "$CFLAGS_ADD" && CFLAGS="$CFLAGS $CFLAGS_ADD"
+
+CFLAGS="$CFLAGS -DSYSCONFDIR='\"\$(sysconfdir)\"'"
+
+# -- Headers --
+
+AC_HEADER_STDC
+AC_HEADER_TIME
+AC_HEADER_SYS_WAIT
 
 AC_CHECK_HEADERS([ \
-	errno.h fcntl.h netdb.h netinet/in.h stdlib.h string.h \
-	sys/socket.h sys/time.h sys/wait.h unistd.h \
+	ctype.h errno.h fcntl.h netdb.h netinet/in.h stdlib.h string.h \
+	strings.h sys/socket.h sys/time.h unistd.h \
 	],,AC_MSG_ERROR([required C header missing!]))
 
-# -- Datentypen --
+AC_CHECK_HEADERS([arpa/inet.h ctype.h malloc.h stdbool.h stddef.h varargs.h])
+
+# -- Datatypes --
 
 AC_MSG_CHECKING(whether socklen_t exists)
 AC_TRY_COMPILE([
-	#include <sys/socket.h>
-	#include <sys/types.h>
+#include <sys/types.h>
+#include <sys/socket.h>
 	],[
 	socklen_t a, b;
 	a = 2; b = 4; a += b;
@@ -73,61 +121,272 @@ AC_TRY_COMPILE([
 	AC_MSG_RESULT(no)
 ])
 
+AC_TYPE_SIGNAL
+AC_TYPE_SIZE_T
+
+
 # -- Libraries --
 
 AC_CHECK_LIB(UTIL,memmove)
+AC_CHECK_LIB(socket,bind)
+AC_CHECK_LIB(nsl,gethostent)
 
-# -- Funktionen --
+# -- Functions --
 
-AC_FUNC_MALLOC
+AC_FUNC_FORK
+AC_FUNC_STRFTIME
 
 AC_CHECK_FUNCS([ \
-	bind gethostbyaddr gethostbyname gethostname inet_ntoa memmove \
-	memset select setsockopt socket strcasecmp strchr strerror strftime \
-	strstr vsnprintf waitpid \
-	],,AC_MSG_ERROR([required function missing!]))
+	bind gethostbyaddr gethostbyname gethostname inet_ntoa malloc memmove \
+	memset realloc setsid setsockopt socket strcasecmp strchr strcspn strerror \
+	strstr waitpid],,AC_MSG_ERROR([required function missing!]))
+
+AC_CHECK_FUNCS(inet_aton isdigit sigaction snprintf vsnprintf strdup strlcpy strlcat)
 
-AC_CHECK_FUNCS(inet_aton)
+AC_CHECK_FUNCS(select,[AC_CHECK_HEADERS(sys/select.h)],
+	AC_MSG_ERROR([required function select() is missing!])
+)
+
+# -- Configuration options --
+
+x_syslog_on=no
+AC_ARG_WITH(syslog,
+	[  --without-syslog        disable syslog (autodetected by default)],
+	[	if test "$withval" != "no"; then
+			if test "$withval" != "yes"; then
+				CFLAGS="-I$withval/include $CFLAGS"
+				CPPFLAGS="-I$withval/include $CPPFLAGS"
+				LDFLAGS="-L$withval/lib $LDFLAGS"
+			fi
+			AC_CHECK_LIB(be, syslog)
+			AC_CHECK_FUNCS(syslog, x_syslog_on=yes,
+				AC_MSG_ERROR([Can't enable syslog!])
+			)
+		fi
+	],
+	[
+		AC_CHECK_LIB(be, syslog)
+		AC_CHECK_FUNCS(syslog, x_syslog_on=yes)
+	]
+)
+if test "$x_syslog_on" = "yes"; then
+	AC_DEFINE(SYSLOG, 1)
+	AC_CHECK_HEADERS(syslog.h,,AC_MSG_ERROR([required C header missing!]))
+fi
 
-AC_CHECK_FUNCS(sigaction)
+x_zlib_on=no
+AC_ARG_WITH(zlib,
+	[  --without-zlib          disable zlib compression (autodetected by default)],
+	[	if test "$withval" != "no"; then
+			if test "$withval" != "yes"; then
+				CFLAGS="-I$withval/include $CFLAGS"
+				CPPFLAGS="-I$withval/include $CPPFLAGS"
+				LDFLAGS="-L$withval/lib $LDFLAGS"
+			fi
+			AC_CHECK_LIB(z, deflate)
+			AC_CHECK_FUNCS(deflate, x_zlib_on=yes,
+				AC_MSG_ERROR([Can't enable zlib!])
+			)
+		fi
+	],
+	[	AC_CHECK_LIB(z, deflate)
+		AC_CHECK_FUNCS(deflate, x_zlib_on=yes)
+	]
+)
+if test "$x_zlib_on" = "yes"; then
+	AC_DEFINE(ZLIB, 1)
+	AC_CHECK_HEADERS(zlib.h,,AC_MSG_ERROR([required C header missing!]))
+fi
 
-# -- Konfigurationsoptionen --
 
-AC_ARG_ENABLE(syslog,
-	[  --disable-syslog        disable syslog (autodetected by default)],
-	[	if test "$enableval" = "yes"; then
-			AC_CHECK_HEADER(syslog.h,
-				[	AC_DEFINE(USE_SYSLOG, 1)
-					AC_CHECK_LIB(be,syslog)
-				],
-				AC_MSG_ERROR([Can't enable syslog: syslog.h not found!])
+x_io_backend=select\(\)
+AC_ARG_WITH(poll,
+	[  --without-poll          disable poll support (autodetected by default)],
+	[	if test "$withval" != "no"; then
+			if test "$withval" != "yes"; then
+				CFLAGS="-I$withval/include $CFLAGS"
+				CPPFLAGS="-I$withval/include $CPPFLAGS"
+				LDFLAGS="-L$withval/lib $LDFLAGS"
+			fi
+			AC_CHECK_FUNCS(poll, x_io_backend=poll\(\),
+				AC_MSG_ERROR([Can't enable poll support!])
 			)
-		else
-			AC_MSG_RESULT([disabling syslog])
 		fi
 	],
-	[	AC_CHECK_HEADER(syslog.h,
-			[	AC_DEFINE(USE_SYSLOG, 1)
-				AC_CHECK_LIB(be,syslog)
-			]
-		)
+	[
+		AC_CHECK_FUNCS(poll, x_io_backend=poll\(\))
 	]
 )
 
-AC_ARG_ENABLE(strict-rfc,
-	[  --enable-strict-rfc     strict RFC conformance, may break clients],
-	if test "$enableval" = "yes"; then
-		AC_DEFINE(STRICT_RFC, 1)
-		AC_MSG_RESULT([enabling strict RFC conformance])
-	fi
+
+AC_ARG_WITH(devpoll,
+	[  --without-devpoll          disable /dev/poll support (autodetected by default)],
+	[	if test "$withval" != "no"; then
+			if test "$withval" != "yes"; then
+				CFLAGS="-I$withval/include $CFLAGS"
+				CPPFLAGS="-I$withval/include $CPPFLAGS"
+				LDFLAGS="-L$withval/lib $LDFLAGS"
+			fi
+
+				AC_CHECK_HEADERS(sys/devpoll.h,,AC_MSG_ERROR([required C header missing!]))
+		fi
+	],
+	[
+		AC_CHECK_HEADERS(sys/devpoll.h,x_io_backend=/dev/poll,)
+	]
+)
+
+AC_ARG_WITH(epoll,
+	[  --without-epoll         disable epoll support (autodetected by default)],
+	[	if test "$withval" != "no"; then
+			if test "$withval" != "yes"; then
+				CFLAGS="-I$withval/include $CFLAGS"
+				CPPFLAGS="-I$withval/include $CPPFLAGS"
+				LDFLAGS="-L$withval/lib $LDFLAGS"
+			fi
+			AC_CHECK_FUNCS(epoll_create, x_io_backend=epoll\(\),
+				AC_MSG_ERROR([Can't enable epoll support!])
+			)
+		fi
+	],
+	[
+		AC_CHECK_FUNCS(epoll_create, x_io_backend=epoll\(\))
+	]
+)
+
+
+AC_ARG_WITH(kqueue,
+	[  --without-kqueue        disable kqueue support (autodetected by default)],
+	[	if test "$withval" != "no"; then
+			if test "$withval" != "yes"; then
+				CFLAGS="-I$withval/include $CFLAGS"
+				CPPFLAGS="-I$withval/include $CPPFLAGS"
+				LDFLAGS="-L$withval/lib $LDFLAGS"
+			fi
+			AC_CHECK_FUNCS(kqueue, x_io_backend=kqueue\(\),
+				AC_MSG_ERROR([Can't enable kqueue support!])
+			)
+		fi
+	],
+	[
+		AC_CHECK_FUNCS(kqueue, x_io_backend=kqueue\(\))
+	]
+)
+
+
+x_tcpwrap_on=no
+AC_ARG_WITH(tcp-wrappers,
+	[  --with-tcp-wrappers     enable TCP wrappers support],
+	[	if test "$withval" != "no"; then
+			if test "$withval" != "yes"; then
+				CFLAGS="-I$withval/include $CFLAGS"
+				CPPFLAGS="-I$withval/include $CPPFLAGS"
+				LDFLAGS="-L$withval/lib $LDFLAGS"
+			fi
+			AC_MSG_CHECKING(for hosts_access)
+			LIBS="-lwrap $LIBS"
+			AC_TRY_LINK([
+#include <tcpd.h>
+int allow_severity = 0;
+int deny_severity = 0;
+				],[
+				tcpd_warn("link test");
+				],[
+				AC_MSG_RESULT(yes)
+				AC_DEFINE(TCPWRAP, 1)
+				x_tcpwrap_on=yes
+				],[
+				AC_MSG_RESULT(no)
+				AC_MSG_ERROR([Can't enable TCP wrappers!])
+			])
+		fi
+	]
+)
+
+x_zeroconf_on=no
+AC_ARG_WITH(zeroconf,
+	[  --with-zeroconf         enable support for "Zeroconf"],
+	[	if test "$withval" != "no"; then
+			if test "$withval" != "yes"; then
+				CFLAGS="-I$withval/include $CFLAGS"
+				CPPFLAGS="-I$withval/include $CPPFLAGS"
+				LDFLAGS="-L$withval/lib $LDFLAGS"
+			fi
+			AC_CHECK_FUNCS(DNSServiceRegistrationCreate, x_zeroconf_on=osx,
+			[
+				AC_CHECK_LIB(pthread, pthread_mutexattr_init)
+				AC_CHECK_LIB(howl, sw_discovery_init)
+				AC_CHECK_FUNCS(sw_discovery_init, \
+				 x_zeroconf_on=howl, \
+				 AC_MSG_ERROR([Can't enable Zeroconf!]))
+			])
+		fi
+	]
+)
+if test "$x_zeroconf_on" = "osx"; then
+	AC_CHECK_HEADERS([DNSServiceDiscovery/DNSServiceDiscovery.h \
+	 mach/port.h],,AC_MSG_ERROR([required C header missing!]))
+	AC_DEFINE(ZEROCONF, 1)
+fi
+if test "$x_zeroconf_on" = "howl"; then
+	for dir in /usr/local/include /usr/local/include/howl* \
+	 /usr/include /usr/include/howl* \
+	 /usr/local/include/avahi* /usr/include/avahi*; do
+	 	test -d "$dir" || continue
+		AC_MSG_CHECKING([for Howl headers in $dir])
+		if test -f "$dir/rendezvous/rendezvous.h"; then
+			if test "$dir" != "/usr/local/include" -a \
+			 "$dir" != "/usr/include"; then
+				CFLAGS="-I$dir $CFLAGS"
+				CPPFLAGS="-I$dir $CPPFLAGS"
+			fi
+			AC_MSG_RESULT(yes)
+			break
+		else
+			AC_MSG_RESULT(no)
+		fi
+	done
+	AC_CHECK_HEADERS([rendezvous/rendezvous.h],, \
+	 AC_MSG_ERROR([required C header missing!]))
+	AC_DEFINE(ZEROCONF, 1)
+fi
+
+x_identauth_on=no
+AC_ARG_WITH(ident,
+	[  --with-ident            enable "IDENT" ("AUTH") protocol support],
+	[	if test "$withval" != "no"; then
+			if test "$withval" != "yes"; then
+				CFLAGS="-I$withval/include $CFLAGS"
+				CPPFLAGS="-I$withval/include $CPPFLAGS"
+				LDFLAGS="-L$withval/lib $LDFLAGS"
+			fi
+			AC_CHECK_LIB(ident, ident_id)
+			AC_CHECK_FUNCS(ident_id, x_identauth_on=yes,
+				AC_MSG_ERROR([Can't enable IDENT support!])
+			)
+		fi
+	]
+)
+if test "$x_identauth_on" = "yes"; then
+	AC_DEFINE(IDENTAUTH, 1)
+	AC_CHECK_HEADERS(ident.h,,AC_MSG_ERROR([required C header missing!]))
+fi
+
+x_ircplus_on=yes
+AC_ARG_ENABLE(ircplus,
+	[  --disable-ircplus       disable IRC+ protocol],
+	if test "$enableval" = "no"; then x_ircplus_on=no; fi
 )
+if test "$x_ircplus_on" = "yes"; then
+	AC_DEFINE(IRCPLUS, 1)
+fi
 
+x_sniffer_on=no; x_debug_on=no
 AC_ARG_ENABLE(sniffer,
-	[  --enable-sniffer        enable network traffic monitor (enables debug mode!)],
+	[  --enable-sniffer        enable IRC traffic sniffer (enables debug mode)],
 	if test "$enableval" = "yes"; then
 		AC_DEFINE(SNIFFER, 1)
-		AC_MSG_RESULT([enabling network traffic monitor])
-		x_debug_on=yes
+		x_sniffer_on=yes; x_debug_on=yes
 	fi
 )
 
@@ -137,39 +396,131 @@ AC_ARG_ENABLE(debug,
 )
 if test "$x_debug_on" = "yes"; then
 	AC_DEFINE(DEBUG, 1)
-	AC_MSG_RESULT([enabling additional debug output])
+	test "$GCC" = "yes" && CFLAGS="-pedantic $CFLAGS"
 fi
 
-# -- Definitionen --
+x_strict_rfc_on=no
+AC_ARG_ENABLE(strict-rfc,
+	[  --enable-strict-rfc     strict RFC conformance -- may break clients!],
+	if test "$enableval" = "yes"; then
+		AC_DEFINE(STRICT_RFC, 1)
+		x_strict_rfc_on=yes
+	fi
+)
+
+# -- Definitions --
 
 AC_DEFINE_UNQUOTED(TARGET_CPU, "$target_cpu" )
 AC_DEFINE_UNQUOTED(TARGET_VENDOR, "$target_vendor" )
 AC_DEFINE_UNQUOTED(TARGET_OS, "$target_os" )
 
-# -- Variablen --
-
-if test "$GCC" = "yes"; then
-	CFLAGS="-Wall $CFLAGS"
-fi
+# Add additional CFLAGS, eventually specified on the command line, but after
+# running this configure script. Useful for "-Werror" for example.
+test -n "$CFLAGS_END" && CFLAGS="$CFLAGS $CFLAGS_END"
 
-CFLAGS="$CFLAGS -DSYSCONFDIR='\"\$(sysconfdir)\"'"
-
-if test `uname` = "A/UX"; then
-	# unter A/UX sollte _POSIX_SOURCE definiert sein.
-	AC_MSG_RESULT([detected A/UX, defining _POSIX_SOURCE])
-	CFLAGS="$CFLAGS -D_POSIX_SOURCE"
-fi
-
-# -- Ausgabe --
+# -- Generate files --
 
 AC_OUTPUT([ \
 	Makefile \
 	doc/Makefile \
-	MacOSX/Makefile \
-	MacOSX/ngircd.pbproj/Makefile \
+	doc/src/Makefile \
 	src/Makefile \
 	src/portab/Makefile \
+	src/tool/Makefile \
 	src/ngircd/Makefile \
+	src/testsuite/Makefile \
+	man/Makefile \
+	contrib/Makefile \
+	contrib/Debian/Makefile \
+	contrib/MacOSX/Makefile \
 ])
 
+type dpkg >/dev/null 2>&1
+if test $? -eq 0; then
+	# Generate debian/ link if the dpkg command exists
+	# (read: if we are running on a debian compatible system)
+	echo "creating Debian-specific links ..."
+	test -f debian/rules || ln -s contrib/Debian debian
+fi
+
+# -- Result --
+
+echo
+echo "ngIRCd $PACKAGE_VERSION has been configured with the following options:"
+echo
+
+# Someone please show me a better way :)  [borrowed by OpenSSH]
+B=`eval echo ${bindir}` ; B=`eval echo ${B}`
+S=`eval echo ${sbindir}` ; S=`eval echo ${S}`
+C=`eval echo ${sysconfdir}` ; C=`eval echo ${C}`
+M=`eval echo ${mandir}` ; M=`eval echo ${M}`
+D=`eval echo ${datadir}/doc/${PACKAGE}` ; D=`eval echo ${D}`
+
+echo "             Target: ${target}"
+test "$target" != "$host" && echo "               Host: ${host}"
+echo "           Compiler: ${CC}"
+test -n "$CFLAGS"	&& echo "     Compiler flags: ${CFLAGS}"
+test -n "$CPPFLAGS"	&& echo " Preprocessor flags: ${CPPFLAGS}"
+test -n "$LDFLAGS"	&& echo "       Linker flags: ${LDFLAGS}"
+test -n "$LIBS"		&& echo "          Libraries: ${LIBS}"
+echo
+echo "    'ngircd' binary: $S"
+echo " Configuration file: $C"
+echo "       Manual pages: $M"
+echo "      Documentation: $D"
+echo
+
+echo $ECHO_N "     Syslog support: $ECHO_C"
+test "$x_syslog_on" = "yes" \
+	&& echo $ECHO_N "yes   $ECHO_C" \
+	|| echo $ECHO_N "no    $ECHO_C"
+echo $ECHO_N "  Enable debug code: $ECHO_C"
+test "$x_debug_on" = "yes" \
+	&& echo "yes" \
+	|| echo "no"
+
+echo $ECHO_N "   zlib compression: $ECHO_C"
+test "$x_zlib_on" = "yes" \
+	&& echo $ECHO_N "yes   $ECHO_C" \
+	|| echo $ECHO_N "no    $ECHO_C"
+echo $ECHO_N "        IRC sniffer: $ECHO_C"
+test "$x_sniffer_on" = "yes" \
+	&& echo "yes" \
+	|| echo "no"
+
+echo $ECHO_N "   Use TCP Wrappers: $ECHO_C"
+test "$x_tcpwrap_on" = "yes" \
+	&& echo $ECHO_N "yes   $ECHO_C" \
+	|| echo $ECHO_N "no    $ECHO_C"
+echo $ECHO_N "    Strict RFC mode: $ECHO_C"
+test "$x_strict_rfc_on" = "yes" \
+	&& echo "yes" \
+	|| echo "no"
+
+echo $ECHO_N "   Zeroconf support: $ECHO_C"
+case "$x_zeroconf_on" in
+	osx)
+		echo $ECHO_N "Apple $ECHO_C"
+		;;
+	howl)
+		echo $ECHO_N "Howl  $ECHO_C"
+		;;
+	*)
+		echo $ECHO_N "no    $ECHO_C"
+		;;
+esac
+echo $ECHO_N "      IRC+ protocol: $ECHO_C"
+test "$x_ircplus_on" = "yes" \
+	&& echo "yes" \
+	|| echo "no"
+
+echo $ECHO_N "      IDENT support: $ECHO_C"
+test "$x_identauth_on" = "yes" \
+	&& echo $ECHO_N "yes   $ECHO_C" \
+	|| echo $ECHO_N "no    $ECHO_C"
+echo $ECHO_N "        I/O backend: $ECHO_C"
+	echo "\"$x_io_backend\""
+
+echo
+
 # -eof-