diff -uNr ircservices-5.0.3/Changes ircservices-5.0.4/Changes
--- ircservices-5.0.3/Changes	2002-11-16 18:44:49.000000000 +0900
+++ ircservices-5.0.4/Changes	2002-11-19 09:33:48.000000000 +0900
@@ -1,5 +1,8 @@
 Version 5.0
 -----------
+2002/11/18 .4	The Makefile now checks that the results of `configure' are
+		    up to date before compiling.  This solves a compilation
+		    problem reported by several people in version 5.0.3.
 2002/11/16 .3	Fixed case-sensitivity bug with channel bans.  Reported by
 		    Alexander Janssens <alex@cyga.net>
 2002/11/16	Fixed topic time setting on Unreal.  Reported by
diff -uNr ircservices-5.0.3/Makefile ircservices-5.0.4/Makefile
--- ircservices-5.0.3/Makefile	2002-11-16 20:12:20.000000000 +0900
+++ ircservices-5.0.4/Makefile	2002-11-19 09:56:47.000000000 +0900
@@ -10,6 +10,7 @@
 include Makefile.inc
 TOPDIR=.
 
+default: config-check all
 
 ###########################################################################
 ########################## Configuration section ##########################
@@ -52,11 +53,19 @@
 
 ###########################################################################
 
-.PHONY: all myall myclean clean spotless distclean install instbin instmod \
-	insttools modules languages tools version.c
+.PHONY: default config-check all myall myclean clean spotless distclean \
+	install instbin instmod insttools modules languages tools version.c
 
 ###########################################################################
 
+config-check:
+	@if ! ./configure -check ; then \
+		echo 'Either you have not yet run the "configure" script, or the script has been' ; \
+		echo 'updated since you last ran it.  Please run "./configure" before running' ; \
+		echo '"make".' ; \
+		exit 1 ; \
+	fi
+
 all: myall
 	@echo Now run \"$(MAKE) install\" to install Services.
 
diff -uNr ircservices-5.0.3/configure ircservices-5.0.4/configure
--- ircservices-5.0.3/configure	2002-11-13 19:39:30.000000000 +0900
+++ ircservices-5.0.4/configure	2002-11-19 09:32:08.000000000 +0900
@@ -169,7 +169,7 @@
 
 # Variable initialization.
 
-MY_CONFIG_VERSION=2
+MY_CONFIG_VERSION=3
 CONFIG_VERSION=
 
 PROGRAM=ircservices
@@ -293,7 +293,18 @@
 		set -- "$value" "$@"
 	    fi
 	fi
-	if [ "$option" = "ignore-cache" ] ; then
+	if [ "$option" = "check" ] ; then
+	    if [ -f config.cache ] ; then
+		CACHEVER=`grep '^CONFIG_VERSION=' config.cache | cut -d= -f2`
+		if [ "x$CACHEVER" = "x$MY_CONFIG_VERSION" ] ; then
+		    exit 0
+		else
+		    exit 1
+		fi
+	    else
+		exit 1
+	    fi
+	elif [ "$option" = "ignore-cache" ] ; then
 	    IGNORE_CACHE=bonkle
 	elif [ "$option" = "no-dir-check" ] ; then
 	    NO_DIR_CHECK=bonkle
@@ -408,6 +419,10 @@
         -force-gcc-2.96      Allow use of GCC 2.96 (unsupported).  See
                                 question B.1 in the FAQ for details.
 
+        -check               Check whether this script has already been run
+                                and whether the cache is up-to-date.  Exits
+                                with 0 if up-to-date, 1 if not.
+
 
 GNU-style long options (--option[=value]) may also be used.
 
diff -uNr ircservices-5.0.3/version.sh ircservices-5.0.4/version.sh
--- ircservices-5.0.3/version.sh	2002-11-16 18:44:53.000000000 +0900
+++ ircservices-5.0.4/version.sh	2002-11-19 09:33:56.000000000 +0900
@@ -3,7 +3,7 @@
 # Build the version.c file which contains all the version related info and
 # needs to be updated on a per-build basis.
 
-VERSION=5.0.3
+VERSION=5.0.4
 
 # Increment Services build number
 if [ -f version.c ] ; then