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platform_build/core/multilib.mk

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Real "LOCAL_MULTILIB := both" for prebuilts This uses the fact that unsetting LOCAL_MULTILIB equals "either". It's useful to build for both 32-bit and 64-bit in the same prebuilt module definition. Bug: 13751317 Change-Id: I4f1625a83e13f22f807039afebae73f69ed35918
2014-05-16 19:38:43 +02:00
# Translate LOCAL_32_BIT_ONLY to LOCAL_MULTILIB,
add support for LOCAL_MULTILIB LOCAL_MULTILIB replaces LOCAL_32_BIT_ONLY and LOCAL_NO_2ND_ARCH, although both are still supported. Set LOCAL_MULTILIB := 32 to always build a module 32-bit. This is the same as specifying LOCAL_32_BIT_ONLY. Set LOCAL_MULTILIB := first to always build a module for the first architecture (64-bit on a 64-bit target, 32-bit on a 32-bit target). This is the same as specifying LOCAL_NO_2ND_ARCH. Set LOCAL_MULTILIB := both to build for both architectures on a mulitlib (64-bit) target. If LOCAL_MULTILIB is not set libraries will default to "both", and executables, packages, and prebuilts will default to building for the first architecture if supported by the module, otherwise the second. Executables that set LOCAL_MULTILIB := both must set either LOCAL_MODULE_STEM_32 and LOCAL_MODULE_STEM_64 or LOCAL_MODULE_PATH_32 and LOCAL_MODULE_PATH_64 to specify how to differentiate the install locations of the two versions. Change-Id: I22ab6aa342b231c307b1d8a86cea4fd91eea39f5
2014-03-21 20:29:32 +01:00
# and check LOCAL_MULTILIB is a valid value. Returns module's multilib
# setting in my_module_multilib, or empty if not set.
my_module_multilib := $(strip $(LOCAL_MULTILIB))
build: remove LOCAL_NO_2ND_ARCH Delete LOCAL_NO_2ND_ARCH, it is no longer used. Equivalent functionality is available with LOCAL_MULTILIB := first. Change-Id: I36838a8a7e10b0a59ca0022c4c8a3a190e782c71
2014-04-12 01:00:23 +02:00
add support for LOCAL_MULTILIB LOCAL_MULTILIB replaces LOCAL_32_BIT_ONLY and LOCAL_NO_2ND_ARCH, although both are still supported. Set LOCAL_MULTILIB := 32 to always build a module 32-bit. This is the same as specifying LOCAL_32_BIT_ONLY. Set LOCAL_MULTILIB := first to always build a module for the first architecture (64-bit on a 64-bit target, 32-bit on a 32-bit target). This is the same as specifying LOCAL_NO_2ND_ARCH. Set LOCAL_MULTILIB := both to build for both architectures on a mulitlib (64-bit) target. If LOCAL_MULTILIB is not set libraries will default to "both", and executables, packages, and prebuilts will default to building for the first architecture if supported by the module, otherwise the second. Executables that set LOCAL_MULTILIB := both must set either LOCAL_MODULE_STEM_32 and LOCAL_MODULE_STEM_64 or LOCAL_MODULE_PATH_32 and LOCAL_MODULE_PATH_64 to specify how to differentiate the install locations of the two versions. Change-Id: I22ab6aa342b231c307b1d8a86cea4fd91eea39f5
2014-03-21 20:29:32 +01:00
ifndef my_module_multilib
build: remove LOCAL_NO_2ND_ARCH Delete LOCAL_NO_2ND_ARCH, it is no longer used. Equivalent functionality is available with LOCAL_MULTILIB := first. Change-Id: I36838a8a7e10b0a59ca0022c4c8a3a190e782c71
2014-04-12 01:00:23 +02:00
ifeq ($(LOCAL_32_BIT_ONLY),true)
add support for LOCAL_MULTILIB LOCAL_MULTILIB replaces LOCAL_32_BIT_ONLY and LOCAL_NO_2ND_ARCH, although both are still supported. Set LOCAL_MULTILIB := 32 to always build a module 32-bit. This is the same as specifying LOCAL_32_BIT_ONLY. Set LOCAL_MULTILIB := first to always build a module for the first architecture (64-bit on a 64-bit target, 32-bit on a 32-bit target). This is the same as specifying LOCAL_NO_2ND_ARCH. Set LOCAL_MULTILIB := both to build for both architectures on a mulitlib (64-bit) target. If LOCAL_MULTILIB is not set libraries will default to "both", and executables, packages, and prebuilts will default to building for the first architecture if supported by the module, otherwise the second. Executables that set LOCAL_MULTILIB := both must set either LOCAL_MODULE_STEM_32 and LOCAL_MODULE_STEM_64 or LOCAL_MODULE_PATH_32 and LOCAL_MODULE_PATH_64 to specify how to differentiate the install locations of the two versions. Change-Id: I22ab6aa342b231c307b1d8a86cea4fd91eea39f5
2014-03-21 20:29:32 +01:00
my_module_multilib := 32
endif
else # my_module_multilib defined
build: add support for LOCAL_MULTILIB := 64 I don't expect it to be useful for modules, but package.mk will use it to only install 64-bit native apps on devices that only have a 64-bit zygote. Change-Id: If3f5a81c3a60bd13fa6ded08e2a7579a29877324
2014-04-10 20:28:04 +02:00
ifeq (,$(filter 32 64 first both none,$(my_module_multilib)))
add support for LOCAL_MULTILIB LOCAL_MULTILIB replaces LOCAL_32_BIT_ONLY and LOCAL_NO_2ND_ARCH, although both are still supported. Set LOCAL_MULTILIB := 32 to always build a module 32-bit. This is the same as specifying LOCAL_32_BIT_ONLY. Set LOCAL_MULTILIB := first to always build a module for the first architecture (64-bit on a 64-bit target, 32-bit on a 32-bit target). This is the same as specifying LOCAL_NO_2ND_ARCH. Set LOCAL_MULTILIB := both to build for both architectures on a mulitlib (64-bit) target. If LOCAL_MULTILIB is not set libraries will default to "both", and executables, packages, and prebuilts will default to building for the first architecture if supported by the module, otherwise the second. Executables that set LOCAL_MULTILIB := both must set either LOCAL_MODULE_STEM_32 and LOCAL_MODULE_STEM_64 or LOCAL_MODULE_PATH_32 and LOCAL_MODULE_PATH_64 to specify how to differentiate the install locations of the two versions. Change-Id: I22ab6aa342b231c307b1d8a86cea4fd91eea39f5
2014-03-21 20:29:32 +01:00
$(error $(LOCAL_PATH): Invalid LOCAL_MULTILIB specified for module $(LOCAL_MODULE))
endif
endif # my_module_multilib defined
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