add missing m4 dir

SVN-Revision: 14971

tools/m4/Makefile

@@ -0,0 +1,33 @@
+# 
+# Copyright (C) 2008 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=m4
+PKG_VERSION:=1.4.5
+
+PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
+PKG_SOURCE_URL:=@GNU/$(PKG_NAME)
+PKG_MD5SUM:=
+PKG_CAT:=zcat
+
+include $(INCLUDE_DIR)/host-build.mk
+
+define Host/Compile
+	$(MAKE) -C $(HOST_BUILD_DIR)
+endef
+
+define Host/Install
+	$(MAKE) -C $(HOST_BUILD_DIR) install
+endef
+
+define Host/Clean
+	$(MAKE) -C $(HOST_BUILD_DIR) uninstall
+	$(MAKE) -C $(HOST_BUILD_DIR) clean
+	$(call Host/Clean/Default)
+endef
+
+$(eval $(call HostBuild))