module_arch_supported.mk revision ae2986e51a52833deac6c03f55924e3271e3586d 
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##
12## Inputs from build system:
13## $(my_prefix)IS_64_BIT
14## LOCAL_2ND_ARCH_VAR_PREFIX
15##
16## Outputs:
17## my_module_arch_supported := (true|false)
18###########################################################
19
20my_module_arch_supported := true
21
22ifeq ($(my_module_multilib),none)
23my_module_arch_supported := false
24endif
25
26ifeq ($(LOCAL_2ND_ARCH_VAR_PREFIX),)
27ifeq ($($(my_prefix)IS_64_BIT)|$(my_module_multilib),true|32)
28my_module_arch_supported := false
29else ifeq ($($(my_prefix)IS_64_BIT)|$(my_module_multilib),|64)
30my_module_arch_supported := false
31endif
32else # LOCAL_2ND_ARCH_VAR_PREFIX
33ifeq ($(my_module_multilib),first)
34my_module_arch_supported := false
35else ifeq ($(my_module_multilib),64)
36my_module_arch_supported := false
37endif
38endif # LOCAL_2ND_ARCH_VAR_PREFIX
39
40ifneq (,$(LOCAL_MODULE_$(my_prefix)ARCH))
41ifeq (,$(filter $($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH),$(LOCAL_MODULE_$(my_prefix)ARCH)))
42my_module_arch_supported := false
43endif
44endif
45
46ifneq (,$(LOCAL_MODULE_$(my_prefix)ARCH_WARN))
47ifeq (,$(filter $($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH),$(LOCAL_MODULE_$(my_prefix)ARCH_WARN)))
48my_module_arch_supported := false
49$(warning $(LOCAL_MODULE): architecture $($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH) not supported)
50endif
51endif
52
53ifneq (,$(filter $($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH),$(LOCAL_MODULE_UNSUPPORTED_$(my_prefix)ARCH)))
54my_module_arch_supported := false
55endif
56
57ifneq (,$(filter $($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH),$(LOCAL_MODULE_UNSUPPORTED_$(my_prefix)ARCH_WARN)))
58my_module_arch_supported := false
59$(warning $(LOCAL_MODULE): architecture $($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH) unsupported)
60endif
61