+DOWNLOAD_GAMEPACKS ?= yes
+# set to no to disable gamepack, set to all to even download undistributable gamepacks
+
+# Support CHECK_DEPENDENCIES with DOWNLOAD_GAMEPACKS semantics
+ifneq ($(CHECK_DEPENDENCIES),)
+DEPENDENCIES_CHECK = $(patsubst yes,quiet,$(patsubst no,off,$(CHECK_DEPENDENCIES)))
+else