a3339e98e6
Introduce two new flags, TARGET_PREFER_32_BIT_APPS and TARGET_PREFER_32_BIT_EXECUTABLES that individually control compilation of apps and executables. If TARGET_PREFER_32_BIT is set, the build system will automatically set both new flags. Change-Id: Ibd2165e688675c2884d9e7ddf82d7dd6c28521f3
76 lines
2.5 KiB
Makefile
76 lines
2.5 KiB
Makefile
# We don't automatically set up rules to build packages for both
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# TARGET_ARCH and TARGET_2ND_ARCH.
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# By default, an package is built for TARGET_ARCH.
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# To build it for TARGET_2ND_ARCH in a 64bit product, use "LOCAL_MULTILIB := 32".
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include $(BUILD_SYSTEM)/multilib.mk
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ifeq ($(TARGET_SUPPORTS_32_BIT_APPS)|$(TARGET_SUPPORTS_64_BIT_APPS),true|true)
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# packages default to building for either architecture,
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# the preferred if its supported, otherwise the non-preferred.
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else ifeq ($(TARGET_SUPPORTS_64_BIT_APPS),true)
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# only 64-bit apps supported
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ifeq ($(filter $(my_module_multilib),64 both first),$(my_module_multilib))
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# if my_module_multilib was 64, both, first, or unset, build for 64-bit
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my_module_multilib := 64
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else
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# otherwise don't build this app
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my_module_multilib := none
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endif
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else
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# only 32-bit apps supported
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ifeq ($(filter $(my_module_multilib),32 both),$(my_module_multilib))
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# if my_module_multilib was 32, both, or unset, build for 32-bit
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my_module_multilib := 32
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else ifeq ($(my_module_multilib),first)
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ifndef TARGET_IS_64_BIT
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# if my_module_multilib was first and this is a 32-bit build, build for
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# 32-bit
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my_module_multilib := 32
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else
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# if my_module_multilib was first and this is a 64-bit build, don't build
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# this app
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my_module_multilib := none
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endif
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else
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# my_module_mulitlib was 64 or none, don't build this app
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my_module_multilib := none
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endif
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endif
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LOCAL_NO_2ND_ARCH_MODULE_SUFFIX := true
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# if TARGET_PREFER_32_BIT_APPS is set, try to build 32-bit first
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ifdef TARGET_2ND_ARCH
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ifeq ($(TARGET_PREFER_32_BIT_APPS),true)
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LOCAL_2ND_ARCH_VAR_PREFIX := $(TARGET_2ND_ARCH_VAR_PREFIX)
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else
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LOCAL_2ND_ARCH_VAR_PREFIX :=
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endif
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endif
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# check if preferred arch is supported
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include $(BUILD_SYSTEM)/module_arch_supported.mk
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ifeq ($(my_module_arch_supported),true)
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# first arch is supported
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include $(BUILD_SYSTEM)/package_internal.mk
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else ifneq (,$(TARGET_2ND_ARCH))
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# check if the non-preferred arch is the primary or secondary
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ifeq ($(TARGET_PREFER_32_BIT_APPS),true)
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LOCAL_2ND_ARCH_VAR_PREFIX :=
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else
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LOCAL_2ND_ARCH_VAR_PREFIX := $(TARGET_2ND_ARCH_VAR_PREFIX)
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endif
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# check if non-preferred arch is supported
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include $(BUILD_SYSTEM)/module_arch_supported.mk
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ifeq ($(my_module_arch_supported),true)
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# secondary arch is supported
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include $(BUILD_SYSTEM)/package_internal.mk
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endif
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endif # TARGET_2ND_ARCH
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LOCAL_2ND_ARCH_VAR_PREFIX :=
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LOCAL_NO_2ND_ARCH_MODULE_SUFFIX :=
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my_module_arch_supported :=
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