-PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
-PKG_SOURCE_URL:=@SF/$(PKG_NAME)
-PKG_MD5SUM:=10714e50cea54dc7a227e3eddcd44d57
-PKG_CAT:=bzcat
+PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
+PKG_SOURCE_URL:=https://github.com/westes/flex/releases/download/v$(PKG_VERSION)/
+PKG_HASH:=68b2742233e747c462f781462a2a1e299dc6207401dac8f0bbb316f48565c2aa
+
+HOST_BUILD_PARALLEL:=1