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      1 # We don't automatically set up rules to build executables for both
      2 # TARGET_ARCH and TARGET_2ND_ARCH.
      3 # By default, an executable is built for TARGET_ARCH.
      4 # To build it for TARGET_2ND_ARCH in a 64bit product, use "LOCAL_MULTILIB := 32"
      5 # To build it for both set LOCAL_MULTILIB := both and specify
      6 # LOCAL_MODULE_PATH_32 and LOCAL_MODULE_PATH_64 or LOCAL_MODULE_STEM_32 and
      7 # LOCAL_MODULE_STEM_64
      8 
      9 my_prefix := TARGET_
     10 include $(BUILD_SYSTEM)/multilib.mk
     11 
     12 ifeq ($(my_module_multilib),both)
     13 ifeq ($(LOCAL_MODULE_PATH_32)$(LOCAL_MODULE_STEM_32),)
     14 $(error $(LOCAL_PATH): LOCAL_MODULE_STEM_32 or LOCAL_MODULE_PATH_32 is required for LOCAL_MULTILIB := both for module $(LOCAL_MODULE))
     15 endif
     16 ifeq ($(LOCAL_MODULE_PATH_64)$(LOCAL_MODULE_STEM_64),)
     17 $(error $(LOCAL_PATH): LOCAL_MODULE_STEM_64 or LOCAL_MODULE_PATH_64 is required for LOCAL_MULTILIB := both for module $(LOCAL_MODULE))
     18 endif
     19 else #!LOCAL_MULTILIB == both
     20 LOCAL_NO_2ND_ARCH_MODULE_SUFFIX := true
     21 endif
     22 
     23 # if TARGET_PREFER_32_BIT_EXECUTABLES is set, try to build 32-bit first
     24 ifdef TARGET_2ND_ARCH
     25 ifeq ($(TARGET_PREFER_32_BIT_EXECUTABLES),true)
     26 LOCAL_2ND_ARCH_VAR_PREFIX := $(TARGET_2ND_ARCH_VAR_PREFIX)
     27 else
     28 LOCAL_2ND_ARCH_VAR_PREFIX :=
     29 endif
     30 endif
     31 
     32 my_skip_non_preferred_arch :=
     33 
     34 # check if preferred arch is supported
     35 include $(BUILD_SYSTEM)/module_arch_supported.mk
     36 ifeq ($(my_module_arch_supported),true)
     37 # first arch is supported
     38 include $(BUILD_SYSTEM)/executable_internal.mk
     39 ifneq ($(my_module_multilib),both)
     40 my_skip_non_preferred_arch := true
     41 endif
     42 endif
     43 
     44 # check if preferred arch was not supported or asked to build both
     45 ifndef my_skip_non_preferred_arch
     46 ifdef TARGET_2ND_ARCH
     47 
     48 # check if the non-preferred arch is the primary or secondary
     49 ifeq ($(TARGET_PREFER_32_BIT_EXECUTABLES),true)
     50 LOCAL_2ND_ARCH_VAR_PREFIX :=
     51 else
     52 LOCAL_2ND_ARCH_VAR_PREFIX := $(TARGET_2ND_ARCH_VAR_PREFIX)
     53 endif
     54 
     55 # check if non-preferred arch is supported
     56 include $(BUILD_SYSTEM)/module_arch_supported.mk
     57 ifeq ($(my_module_arch_supported),true)
     58 # non-preferred arch is supported
     59 OVERRIDE_BUILT_MODULE_PATH :=
     60 LOCAL_BUILT_MODULE :=
     61 LOCAL_INSTALLED_MODULE :=
     62 LOCAL_MODULE_STEM :=
     63 LOCAL_BUILT_MODULE_STEM :=
     64 LOCAL_INSTALLED_MODULE_STEM :=
     65 LOCAL_INTERMEDIATE_TARGETS :=
     66 include $(BUILD_SYSTEM)/executable_internal.mk
     67 endif
     68 endif # TARGET_2ND_ARCH
     69 endif # !my_skip_non_preferred_arch || LOCAL_MULTILIB
     70 LOCAL_2ND_ARCH_VAR_PREFIX :=
     71 LOCAL_NO_2ND_ARCH_MODULE_SUFFIX :=
     72 
     73 my_module_arch_supported :=
     74