--- Makefile.orig       Thu Apr  5 12:39:08 2007
+++ Makefile    Thu Apr  5 13:18:04 2007
@@ -27,7 +27,7 @@
 .include <bsd.port.pre.mk>
 
 pre-everything::
-       @if [ -n "`${PKG_INFO} -xI '^gimp-[0-9].[0-9].[0-9]*' 2>/dev/null`" ]; then \
+       @if [ -n "`${PKG_INFO} -xI '^gimp[-gnome]*-[0-9].[0-9].[0-9]*' 2>/dev/null`" ]; then \
                ${ECHO_CMD} "${PKGNAME}: Old version of gimp detected! Please see ${PORTSDIR}/UPDATING for information on upgrading ${PKGNAME}" ; \
                ${FALSE}; \
        fi