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-rw-r--r--scripts/mk/architecture.mk11
1 files changed, 11 insertions, 0 deletions
diff --git a/scripts/mk/architecture.mk b/scripts/mk/architecture.mk
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--- /dev/null
+++ b/scripts/mk/architecture.mk
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+# This Makefile snippet defines all the DEB_HOST_* / DEB_BUILD_* variables
+# that dpkg-architecture can return. Existing values of those variables
+# are preserved as per policy.
+
+dpkg_lazy_eval ?= $$(or $$(value DPKG_CACHE_$(1)),$$(eval DPKG_CACHE_$(1) := $$(shell $(2)))$$(value DPKG_CACHE_$(1)))
+
+dpkg_architecture_setvar = export $(1) ?= $(call dpkg_lazy_eval,$(1),dpkg-architecture -q$(1))
+
+$(foreach machine,BUILD HOST TARGET,\
+ $(foreach var,ARCH ARCH_ABI ARCH_LIBC ARCH_OS ARCH_CPU ARCH_BITS ARCH_ENDIAN GNU_CPU GNU_SYSTEM GNU_TYPE MULTIARCH,\
+ $(eval $(call dpkg_architecture_setvar,DEB_$(machine)_$(var)))))