imagebuilder: add REVISION variable (closes #6795)

SVN-Revision: 20064

target/imagebuilder/Makefile

 # 
-# Copyright (C) 2006 OpenWrt.org
+# Copyright (C) 2006-2010 OpenWrt.org
 #
 # This is free software, licensed under the GNU General Public License v2.
 # See /LICENSE for more information.
@@ -38,6 +38,7 @@ $(BIN_DIR)/$(IB_NAME).tar.bz2: clean
 		$(PKG_BUILD_DIR)/target/linux/*/patches \
 		$(PKG_BUILD_DIR)/target/linux/*/*/patches
 	-cp $(KERNEL_BUILD_DIR)/* $(IB_KDIR)/ # don't copy subdirectories here
+	echo REVISION:="$(REVISION)" > $(PKG_BUILD_DIR)/include/version.mk
 	find $(PKG_BUILD_DIR) -name .svn | $(XARGS) rm -rf
 	find $(PKG_BUILD_DIR) -name CVS | $(XARGS) rm -rf
 	find $(PKG_BUILD_DIR) -name .git | $(XARGS) rm -rf

target/imagebuilder/files/Makefile

 # Makefile for OpenWrt
 #
-# Copyright (C) 2007-2009 OpenWrt.org
+# Copyright (C) 2007-2010 OpenWrt.org
 #
 # This is free software, licensed under the GNU General Public License v2.
 # See /LICENSE for more information.
@@ -24,6 +24,9 @@ include rules.mk
 include $(INCLUDE_DIR)/debug.mk
 include $(INCLUDE_DIR)/depends.mk
 
+include $(INCLUDE_DIR)/version.mk
+export REVISION
+
 define Helptext
 Available Commands:
 	help:	This help text