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      1 ###########################################################
      2 ## Determine if a module can be built for an arch
      3 ##
      4 ## Inputs from module makefile:
      5 ## my_prefix   TARGET_ or HOST_
      6 ## my_module_multilib
      7 ## LOCAL_MODULE_$(my_prefix)ARCH
      8 ## LOCAL_MODULE_$(my_prefix)ARCH_WARN
      9 ## LOCAL_MODULE_UNSUPPORTED_$(my_prefix)ARCH
     10 ## LOCAL_MODULE_UNSUPPORTED_$(my_prefix)ARCH_WARN
     11 ## LOCAL_IS_HOST_MODULE
     12 ## LOCAL_MODULE_HOST_OS
     13 ##
     14 ## Inputs from build system:
     15 ## $(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)IS_64_BIT
     16 ## LOCAL_2ND_ARCH_VAR_PREFIX
     17 ##
     18 ## Outputs:
     19 ## my_module_arch_supported := (true|false)
     20 ###########################################################
     21 
     22 my_module_arch_supported := true
     23 
     24 ifeq ($(my_module_multilib),none)
     25 my_module_arch_supported := false
     26 endif
     27 
     28 ifeq ($($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)IS_64_BIT)|$(my_module_multilib),true|32)
     29 my_module_arch_supported := false
     30 endif
     31 ifeq ($($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)IS_64_BIT)|$(my_module_multilib),|64)
     32 my_module_arch_supported := false
     33 endif
     34 
     35 ifneq ($(LOCAL_2ND_ARCH_VAR_PREFIX),)
     36 ifeq ($(my_module_multilib),first)
     37 my_module_arch_supported := false
     38 endif
     39 endif
     40 
     41 ifneq (,$(LOCAL_MODULE_$(my_prefix)ARCH))
     42 ifeq (,$(filter $($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH),$(LOCAL_MODULE_$(my_prefix)ARCH)))
     43 my_module_arch_supported := false
     44 endif
     45 endif
     46 
     47 ifneq (,$(LOCAL_MODULE_$(my_prefix)ARCH_WARN))
     48 ifeq (,$(filter $($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH),$(LOCAL_MODULE_$(my_prefix)ARCH_WARN)))
     49 my_module_arch_supported := false
     50 $(warning $(LOCAL_MODULE): architecture $($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH) not supported)
     51 endif
     52 endif
     53 
     54 ifneq (,$(filter $($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH),$(LOCAL_MODULE_UNSUPPORTED_$(my_prefix)ARCH)))
     55 my_module_arch_supported := false
     56 endif
     57 
     58 ifneq (,$(filter $($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH),$(LOCAL_MODULE_UNSUPPORTED_$(my_prefix)ARCH_WARN)))
     59 my_module_arch_supported := false
     60 $(warning $(LOCAL_MODULE): architecture $($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH) unsupported)
     61 endif
     62 
     63 ifdef LOCAL_IS_HOST_MODULE
     64 ifneq (,$(LOCAL_MODULE_HOST_OS))
     65   ifeq (,$(filter $($(my_prefix)OS),$(LOCAL_MODULE_HOST_OS)))
     66     my_module_arch_supported := false
     67   endif
     68 else ifeq ($($(my_prefix)OS),windows)
     69   # If LOCAL_MODULE_HOST_OS is empty, only linux and darwin are supported
     70   my_module_arch_supported := false
     71 endif
     72 endif
     73