+moz_version := \
+ $(shell sed 's/\#define MOZILLA_VERSION "\(.*\)"/\1/; t; d' \
+ < $(moz_include_dir)/mozilla-config.h)
+moz_version_major := $(word 1,$(subst ., ,$(moz_version)))
+moz_version_minor := $(word 2,$(subst ., ,$(moz_version)))
+moz_version_patchlevel := $(word 3,$(subst ., ,$(moz_version)))
+