-PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
-PKG_SOURCE_URL:=@SF/$(PKG_NAME)
-PKG_MD5SUM:=c75940e1fc25108f2a7b3ef42abdae06
-PKG_CAT:=bzcat
+PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
+PKG_SOURCE_URL:=https://github.com/westes/flex/releases/download/v$(PKG_VERSION)/
+PKG_MD5SUM:=cd3c86290fc2676a641aefafeb10848a