Merge "Let get-prebuilt-src-arch return empty if the input is empty"

endef

# Return the arch for the source file of a prebuilt

# Return "none" if no matching arch found, so the result can be passed to

# Return "none" if no matching arch found and return empty

# if the input is empty, so the result can be passed to

# LOCAL_MODULE_TARGET_ARCH.

# $(1) the list of archs supported by the prebuilt

define get-prebuilt-src-arch

$(strip $(if $(filter $(TARGET_ARCH),$(1)),$(TARGET_ARCH),\

  $(if $(filter $(TARGET_2ND_ARCH),$(1)),$(TARGET_2ND_ARCH),none)))

  $(if $(filter $(TARGET_2ND_ARCH),$(1)),$(TARGET_2ND_ARCH),$(if $(1),none))))

endef

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