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Merge "Set IS_AT_LEAST_* variables based on TARGET_PLATFORM_VERSION" am: 738d2de20b am: 4cfa9fcd48

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am: 5122f6fd67

Change-Id: I7e13cea1775538c07e952c5770002777eca010bf
This commit is contained in:
Colin Cross 2017-02-17 03:50:39 +00:00 committed by android-build-merger
commit 653470d457
1 changed files with 38 additions and 0 deletions
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38
core/version_defaults.mk
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@ -38,6 +38,44 @@ ifneq "" "$(INTERNAL_BUILD_ID_MAKEFILE)"
include $(INTERNAL_BUILD_ID_MAKEFILE)
endif
# Returns all words in $1 up to and including $2
define find_and_earlier
$(strip $(if $(1),
$(firstword $(1))
$(if $(filter $(firstword $(1)),$(2)),,
$(call find_and_earlier,$(wordlist 2,$(words $(1)),$(1)),$(2)))))
endef
#$(warning $(call find_and_earlier,A B C,A))
#$(warning $(call find_and_earlier,A B C,B))
#$(warning $(call find_and_earlier,A B C,C))
#$(warning $(call find_and_earlier,A B C,D))
define version-list
$(1) $(1)DR1 $(1)DR2 $(1)MR1 $(1)MR2
endef
ALL_VERSIONS := O P
ALL_VERSIONS := $(foreach v,$(ALL_VERSIONS),$(call version-list,$(v)))
ifeq (,$(TARGET_PLATFORM_VERSION))
# Default targeted platform version
# TODO: PLATFORM_VERSION, PLATFORM_SDK_VERSION, etc. should be conditional
# on this
TARGET_PLATFORM_VERSION := O
endif
ifeq (,$(filter $(ALL_VERSIONS), $(TARGET_PLATFORM_VERSION)))
$(warning Invalid TARGET_PLATFORM_VERSION '$(TARGET_PLATFORM_VERSION)', must be one of)
$(warning $(ALL_VERSIONS))
$(error Stopping...)
endif
ENABLED_VERSIONS := $(call find_and_earlier,$(ALL_VERSIONS),$(TARGET_PLATFORM_VERSION))
$(foreach v,$(ENABLED_VERSIONS), \
$(eval IS_AT_LEAST_$(v) := true))
ifeq "" "$(PLATFORM_VERSION)"
# This is the canonical definition of the platform version,
# which is the version that we reveal to the end user.