--- xinetd-2.3.14/configure.in.orig	2005-03-31 01:15:28.000000000 +0200
+++ xinetd-2.3.14/configure.in	2006-03-12 12:10:15.375690250 +0100
@@ -52,12 +52,10 @@
 AC_ARG_WITH(howl, [  --with-howl=PATH        Compile in howl support.  
                           PATH is the prefix where howl is installed,
                           and is not optional.],
-   [ OLDCFLAGS=$CFLAGS; CFLAGS="-I$withval/include/howl/ $CFLAGS"; 
-     OLDLDFLAGS=$LDFLAGS; LDFLAGS="-L$withval/lib/ $LDFLAGS"; 
-     OLDCPPFLAGS=$CPPFLAGS; CPPFLAGS="-I$withval/include/howl/ $CPPFLAGS";
-     AC_CHECK_HEADER($withval/include/howl/howl.h, 
+   [ OLDCFLAGS=$CFLAGS; CFLAGS="`pkg-config --cflags howl` $CFLAGS"; 
+     AC_CHECK_HEADER(howl.h, 
         [AC_DEFINE(HAVE_HOWL) AC_DEFINE(HAVE_MDNS)], 
-        [CFLAGS=$OLDCFLAGS; LDFLAGS=$OLDLDFLAGS; CPPFLAGS=$OLDCPPFLAGS;]) 
+        [CFLAGS=$OLDCFLAGS;]) 
      AC_CHECK_LIB(howl, sw_discovery_publish, [LIBS="-lhowl $LIBS"], [
         OLDLIBS=$LIBS; LIBS="-lpthread $LIBS"; 
         AC_CHECK_LIB(howl, main, [LIBS="-lhowl $LIBS"],
--- xinetd-2.3.14/xinetd/xmdns.c.orig	2005-04-08 23:23:07.000000000 +0200
+++ xinetd-2.3.14/xinetd/xmdns.c	2006-03-12 12:40:36.541506000 +0100
@@ -139,7 +139,7 @@
 
 int xinetd_mdns_poll(void) {
 #ifdef HAVE_HOWL
-   if( sw_discovery_read_socket(*(sw_discovery *)ps.rws.mdns_state) == SW_OKAY )
+   if(ps.rws.mdns_state && (sw_discovery_read_socket(*(sw_discovery *)ps.rws.mdns_state) == SW_OKAY))
       return 0;
 #endif
    return -1;