-PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_VERSION)
-PKG_SOURCE_VERSION:=7e811613b335afc8e1b2c0ee77e7b3f371bc9175
-PKG_MIRROR_HASH:=860865b294c628ad66ca5ef6848aae8df93e46325302914dbfb14264866f1678
-PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION)-$(PKG_SOURCE_VERSION).tar.gz
+PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_VERSION)-$(PKG_SOURCE_VERSION)
+
+PKG_BUILD_ROOT:=$(BUILD_DIR)/$(PKG_SOURCE_SUBDIR)
+PKG_BUILD_DIR:=$(PKG_BUILD_ROOT)