kdesignerplugin: really fix cross

srcpkgs/kdesignerplugin/template

@@ -18,9 +18,11 @@ if [ -n "$CROSS_BUILD" ]; then
 	configure_args+=" -DMEINPROC5_EXECUTABLE=/usr/bin/meinproc5"
 fi
 
-pre_configure() {
+post_configure() {
 	if [ -n "$CROSS_BUILD" ]; then
-		sed -i KF5DesignerPluginConfig.cmake -e "s;KF5::;/usr/bin/;"
+		# Hack to use host's kgendesignerplugin
+		find build/src/CMakeFiles -name "*.make" -exec sed -i "{}" \
+			-e "s;KF5::\(kgendesignerplugin\);/usr/bin/\1;" \;
 	fi
 }