support/dependencies/check-host-xzcat.mk - buildroot - Git at Google

 # XZCAT is taken from BR2_XZCAT (defaults to 'xzcat') (see Makefile)
 # If it is not present, build our own host-xzcat

 ifeq (,$(call suitable-host-package,xzcat,$(XZCAT)))
 BR2_XZCAT_HOST_DEPENDENCY = host-xz
 XZCAT = $(HOST_DIR)/bin/xzcat
 endif
	# XZCAT is taken from BR2_XZCAT (defaults to 'xzcat') (see Makefile)
	# If it is not present, build our own host-xzcat

	ifeq (,$(call suitable-host-package,xzcat,$(XZCAT)))
	BR2_XZCAT_HOST_DEPENDENCY = host-xz
	XZCAT = $(HOST_DIR)/bin/xzcat
	endif