diff --git a/Sd1/Makefile b/Sd1/Makefile
index a6e13e5c2728237c3f85afe12cef37bd8619530f..c12a725dc6aaa35dee00ab4376a85fd98e22931c 100644
--- a/Sd1/Makefile
+++ b/Sd1/Makefile
@@ -24,6 +24,13 @@ BUILDBASE=$(BUILDROOT)/$(SCRIPTBASENAME)
 BUILDNAVI=$(BUILDBASE)/navi/$(PLUGINID)
 BUILDNONAVI=$(BUILDBASE)/nonavi/$(PLUGINID)
 JAVADOCDESTDIR=${BUILDNAVI}/Ref/api
+
+#
+# Fixme: compile required sources in advance
+#
+dirty:
+	cd P/Gcd/V1;mvn install
+	cd ../ws/eclipse/HtmlExtensionTaglet;mvn compile
 #
 #Rule to build javadoc from pom.xml file
 #