scripts/mk/architecture.mk

   1 # This Makefile fragment (since dpkg 1.16.1) defines all the DEB_HOST_* and
   2 # DEB_BUILD_* variables that dpkg-architecture can return. Existing values
   3 # of those variables are preserved as per policy.
   4
   5 dpkg_lazy_eval ?= $$(or $$(value DPKG_CACHE_$(1)),$$(eval DPKG_CACHE_$(1) := $$(shell $(2)))$$(value DPKG_CACHE_$(1)))
   6
   7 dpkg_architecture_setvar = export $(1) ?= $(call dpkg_lazy_eval,$(1),dpkg-architecture -q$(1))
   8
   9 $(foreach machine,BUILD HOST TARGET,\
  10   $(foreach var,ARCH ARCH_ABI ARCH_LIBC ARCH_OS ARCH_CPU ARCH_BITS ARCH_ENDIAN GNU_CPU GNU_SYSTEM GNU_TYPE MULTIARCH,\
  11     $(eval $(call dpkg_architecture_setvar,DEB_$(machine)_$(var)))))