buildroot

# 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)))

DEPENDENCIES_HOST_PREREQ += host-xz

XZCAT = $(HOST_DIR)/usr/bin/xzcat

endif