qstrip_escape=$(subst ','\'',$(call qstrip,$(1)))
#'
+sanitize = $(call tolower,$(subst _,-,$(subst $(space),-,$(1))))
+
VERSION_NUMBER:=$(call qstrip_escape,$(CONFIG_VERSION_NUMBER))
VERSION_NUMBER:=$(if $(VERSION_NUMBER),$(VERSION_NUMBER),$(REVISION))
VERSION_DIST:=$(call qstrip_escape,$(CONFIG_VERSION_DIST))
VERSION_DIST:=$(if $(VERSION_DIST),$(VERSION_DIST),LEDE)
+VERSION_DIST_SANITIZED:=$(call sanitize,$(VERSION_DIST))
VERSION_MANUFACTURER:=$(call qstrip_escape,$(CONFIG_VERSION_MANUFACTURER))
VERSION_MANUFACTURER:=$(if $(VERSION_MANUFACTURER),$(VERSION_MANUFACTURER),LEDE)