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      1 # We don't automatically set up rules to build packages for both
      2 # TARGET_ARCH and TARGET_2ND_ARCH.
      3 # To build it for TARGET_2ND_ARCH in a 64bit product, use "LOCAL_MULTILIB := 32".
      4 
      5 my_prefix := TARGET_
      6 include $(BUILD_SYSTEM)/multilib.mk
      7 
      8 ifeq ($(TARGET_SUPPORTS_32_BIT_APPS)|$(TARGET_SUPPORTS_64_BIT_APPS),true|true)
      9   # packages default to building for either architecture,
     10   # the preferred if its supported, otherwise the non-preferred.
     11 else ifeq ($(TARGET_SUPPORTS_64_BIT_APPS),true)
     12   # only 64-bit apps supported
     13   ifeq ($(filter $(my_module_multilib),64 both first),$(my_module_multilib))
     14     # if my_module_multilib was 64, both, first, or unset, build for 64-bit
     15     my_module_multilib := 64
     16   else
     17     # otherwise don't build this app
     18     my_module_multilib := none
     19   endif
     20 else
     21   # only 32-bit apps supported
     22   ifeq ($(filter $(my_module_multilib),32 both),$(my_module_multilib))
     23     # if my_module_multilib was 32, both, or unset, build for 32-bit
     24     my_module_multilib := 32
     25   else ifeq ($(my_module_multilib),first)
     26     ifndef TARGET_IS_64_BIT
     27       # if my_module_multilib was first and this is a 32-bit build, build for
     28       # 32-bit
     29       my_module_multilib := 32
     30     else
     31       # if my_module_multilib was first and this is a 64-bit build, don't build
     32       # this app
     33       my_module_multilib := none
     34     endif
     35   else
     36     # my_module_mulitlib was 64 or none, don't build this app
     37     my_module_multilib := none
     38   endif
     39 endif
     40 
     41 LOCAL_NO_2ND_ARCH_MODULE_SUFFIX := true
     42 
     43 # if TARGET_PREFER_32_BIT_APPS is set, try to build 32-bit first
     44 ifdef TARGET_2ND_ARCH
     45 ifeq ($(TARGET_PREFER_32_BIT_APPS),true)
     46 LOCAL_2ND_ARCH_VAR_PREFIX := $(TARGET_2ND_ARCH_VAR_PREFIX)
     47 else
     48 LOCAL_2ND_ARCH_VAR_PREFIX :=
     49 endif
     50 endif
     51 
     52 # check if preferred arch is supported
     53 include $(BUILD_SYSTEM)/module_arch_supported.mk
     54 ifeq ($(my_module_arch_supported),true)
     55 # first arch is supported
     56 include $(BUILD_SYSTEM)/package_internal.mk
     57 else ifneq (,$(TARGET_2ND_ARCH))
     58 # check if the non-preferred arch is the primary or secondary
     59 ifeq ($(TARGET_PREFER_32_BIT_APPS),true)
     60 LOCAL_2ND_ARCH_VAR_PREFIX :=
     61 else
     62 LOCAL_2ND_ARCH_VAR_PREFIX := $(TARGET_2ND_ARCH_VAR_PREFIX)
     63 endif
     64 
     65 # check if non-preferred arch is supported
     66 include $(BUILD_SYSTEM)/module_arch_supported.mk
     67 ifeq ($(my_module_arch_supported),true)
     68 # secondary arch is supported
     69 include $(BUILD_SYSTEM)/package_internal.mk
     70 endif
     71 endif # TARGET_2ND_ARCH
     72 
     73 LOCAL_2ND_ARCH_VAR_PREFIX :=
     74 LOCAL_NO_2ND_ARCH_MODULE_SUFFIX :=
     75 
     76 my_module_arch_supported :=
     77