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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_skip_this_target :=
     10 ifneq ($(filter address,$(SANITIZE_TARGET)),)
     11   ifeq (true,$(LOCAL_FORCE_STATIC_EXECUTABLE))
     12     my_skip_this_target := true
     13   else ifeq (false, $(LOCAL_CLANG))
     14     my_skip_this_target := true
     15   endif
     16 endif
     17 
     18 ifneq (true,$(my_skip_this_target))
     19 
     20 my_prefix := TARGET_
     21 include $(BUILD_SYSTEM)/multilib.mk
     22 
     23 ifeq ($(my_module_multilib),both)
     24 ifeq ($(LOCAL_MODULE_PATH_32)$(LOCAL_MODULE_STEM_32),)
     25 $(error $(LOCAL_PATH): LOCAL_MODULE_STEM_32 or LOCAL_MODULE_PATH_32 is required for LOCAL_MULTILIB := both for module $(LOCAL_MODULE))
     26 endif
     27 ifeq ($(LOCAL_MODULE_PATH_64)$(LOCAL_MODULE_STEM_64),)
     28 $(error $(LOCAL_PATH): LOCAL_MODULE_STEM_64 or LOCAL_MODULE_PATH_64 is required for LOCAL_MULTILIB := both for module $(LOCAL_MODULE))
     29 endif
     30 else #!LOCAL_MULTILIB == both
     31 LOCAL_NO_2ND_ARCH_MODULE_SUFFIX := true
     32 endif
     33 
     34 # if TARGET_PREFER_32_BIT_EXECUTABLES is set, try to build 32-bit first
     35 ifdef TARGET_2ND_ARCH
     36 ifeq ($(TARGET_PREFER_32_BIT_EXECUTABLES),true)
     37 LOCAL_2ND_ARCH_VAR_PREFIX := $(TARGET_2ND_ARCH_VAR_PREFIX)
     38 else
     39 LOCAL_2ND_ARCH_VAR_PREFIX :=
     40 endif
     41 endif
     42 
     43 my_skip_non_preferred_arch :=
     44 
     45 # check if preferred arch is supported
     46 include $(BUILD_SYSTEM)/module_arch_supported.mk
     47 ifeq ($(my_module_arch_supported),true)
     48 # first arch is supported
     49 include $(BUILD_SYSTEM)/executable_internal.mk
     50 ifneq ($(my_module_multilib),both)
     51 my_skip_non_preferred_arch := true
     52 endif
     53 endif
     54 
     55 # check if preferred arch was not supported or asked to build both
     56 ifndef my_skip_non_preferred_arch
     57 ifdef TARGET_2ND_ARCH
     58 
     59 # check if the non-preferred arch is the primary or secondary
     60 ifeq ($(TARGET_PREFER_32_BIT_EXECUTABLES),true)
     61 LOCAL_2ND_ARCH_VAR_PREFIX :=
     62 else
     63 LOCAL_2ND_ARCH_VAR_PREFIX := $(TARGET_2ND_ARCH_VAR_PREFIX)
     64 endif
     65 
     66 # check if non-preferred arch is supported
     67 include $(BUILD_SYSTEM)/module_arch_supported.mk
     68 ifeq ($(my_module_arch_supported),true)
     69 # non-preferred arch is supported
     70 OVERRIDE_BUILT_MODULE_PATH :=
     71 LOCAL_BUILT_MODULE :=
     72 LOCAL_INSTALLED_MODULE :=
     73 LOCAL_INTERMEDIATE_TARGETS :=
     74 include $(BUILD_SYSTEM)/executable_internal.mk
     75 endif
     76 endif # TARGET_2ND_ARCH
     77 endif # !my_skip_non_preferred_arch || LOCAL_MULTILIB
     78 LOCAL_2ND_ARCH_VAR_PREFIX :=
     79 LOCAL_NO_2ND_ARCH_MODULE_SUFFIX :=
     80 
     81 my_module_arch_supported :=
     82 
     83 endif
     84