--- config_office/configure.in.patched	2006-08-09 11:39:50.373000000 +0100
+++ config_office/configure.in	2006-08-09 11:44:06.841750000 +0100
@@ -1232,6 +1232,10 @@
            break
       fi
 done
+$GNUMAKE --version 2> /dev/null | grep ' 3.81'  2>&1 > /dev/null
+if test $? -eq 0;  then
+  AC_MSG_ERROR("gmake 3.81 cannot build mozilla - please use 3.80")
+fi
 AC_MSG_RESULT($GNUMAKE)
 
 AC_MSG_CHECKING([the GNU make version])
