try to prevent autoheader/autoconf/automake invocation, add Id tag

SVN-Revision: 2074

openwrt/package/mtr/Makefile

@@ -1,3 +1,5 @@
+# $Id$
+
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=mtr
@@ -16,7 +18,14 @@ include $(TOPDIR)/package/rules.mk
 $(eval $(call PKG_template,MTR,mtr,$(PKG_VERSION)-$(PKG_RELEASE),$(ARCH)))
 
 $(PKG_BUILD_DIR)/.configured: $(PKG_BUILD_DIR)/.prepared
-	(cd $(PKG_BUILD_DIR); \
+	(cd $(PKG_BUILD_DIR); rm -rf config.{cache,status}; \
+		touch configure.in; \
+		touch aclocal.m4; \
+		touch Makefile.in; \
+		touch img/Makefile.in; \
+		touch stamp-h.in; \
+		touch config.h.in; \
+		touch configure; \
 		$(TARGET_CONFIGURE_OPTS) \
 		CFLAGS="$(TARGET_CFLAGS)" \
 		CPPFLAGS="-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include" \