# This Makefile fragment (since dpkg 1.16.1) defines the following # vendor-related variables: # # DEB_VENDOR: output of «dpkg-vendor --query Vendor». # DEB_PARENT_VENDOR: output of «dpkg-vendor --query Parent» (can be empty). # # This Makefile fragment also defines a set of "dpkg_vendor_derives_from" # macros that can be used to verify if the current vendor derives from # another vendor. The unversioned variant defaults to the v0 version if # undefined, which can be defined explicitly to one of the versions or the # versioned macros can be used directly. The following are example usages: # # - dpkg_vendor_derives_from (since dpkg 1.16.1) # # ifeq ($(shell $(call dpkg_vendor_derives_from,ubuntu)),yes) # ... # endif # # - dpkg_vendor_derives_from_v0 (since dpkg 1.19.3) # # ifeq ($(shell $(call dpkg_vendor_derives_from_v0,ubuntu)),yes) # ... # endif # # - dpkg_vendor_derives_from_v1 (since dpkg 1.19.3) # # dpkg_vendor_derives_from = $(dpkg_vendor_derives_from_v1) # ifeq ($(call dpkg_vendor_derives_from,ubuntu),yes) # ... # endif # ifeq ($(call dpkg_vendor_derives_from_v1,ubuntu),yes) # ... # endif dpkg_late_eval ?= $(or $(value DPKG_CACHE_$(1)),$(eval DPKG_CACHE_$(1) := $(shell $(2)))$(value DPKG_CACHE_$(1))) DEB_VENDOR = $(call dpkg_late_eval,DEB_VENDOR,dpkg-vendor --query Vendor) DEB_PARENT_VENDOR = $(call dpkg_late_eval,DEB_PARENT_VENDOR,dpkg-vendor --query Parent) dpkg_vendor_derives_from_v0 = dpkg-vendor --derives-from $(1) && echo yes || echo no dpkg_vendor_derives_from_v1 = $(shell $(dpkg_vendor_derives_from_v0)) dpkg_vendor_derives_from ?= $(dpkg_vendor_derives_from_v0)