shared_library_internal.mk revision 5f5c48f0f1b6bef252410575d9225507e5608c0b 
1###########################################################
2## Standard rules for building a normal shared library.
3##
4## Additional inputs from base_rules.make:
5## None.
6##
7## LOCAL_MODULE_SUFFIX will be set for you.
8###########################################################
9
10ifeq ($(strip $(LOCAL_MODULE_CLASS)),)
11LOCAL_MODULE_CLASS := SHARED_LIBRARIES
12endif
13ifeq ($(strip $(LOCAL_MODULE_SUFFIX)),)
14LOCAL_MODULE_SUFFIX := $(TARGET_SHLIB_SUFFIX)
15endif
16ifneq ($(strip $(OVERRIDE_BUILT_MODULE_PATH)),)
17$(error $(LOCAL_PATH): Illegal use of OVERRIDE_BUILT_MODULE_PATH)
18endif
19ifneq ($(strip $(LOCAL_MODULE_STEM)$(LOCAL_BUILT_MODULE_STEM)$(LOCAL_MODULE_STEM_32)$(LOCAL_MODULE_STEM_64)),)
20$(error $(LOCAL_PATH): Cannot set module stem for a library)
21endif
22
23$(call target-shared-library-hook)
24
25skip_build_from_source :=
26ifdef LOCAL_PREBUILT_MODULE_FILE
27ifeq (,$(call if-build-from-source,$(LOCAL_MODULE),$(LOCAL_PATH)))
28include $(BUILD_SYSTEM)/prebuilt_internal.mk
29skip_build_from_source := true
30endif
31endif
32
33ifndef skip_build_from_source
34
35# Put the built targets of all shared libraries in a common directory
36# to simplify the link line.
37OVERRIDE_BUILT_MODULE_PATH := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_OUT_INTERMEDIATE_LIBRARIES)
38
39include $(BUILD_SYSTEM)/dynamic_binary.mk
40
41# Define PRIVATE_ variables from global vars
42my_target_global_ld_dirs := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_GLOBAL_LD_DIRS)
43my_target_libgcc := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_LIBGCC)
44my_target_libatomic := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_LIBATOMIC)
45my_target_crtbegin_so_o := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_CRTBEGIN_SO_O)
46my_target_crtend_so_o := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_CRTEND_SO_O)
47ifdef LOCAL_SDK_VERSION
48# Make sure the prebuilt NDK paths are put ahead of the TARGET_GLOBAL_LD_DIRS,
49# so we don't have race condition when the system libraries (such as libc, libstdc++) are also built in the tree.
50my_target_global_ld_dirs := \
51    $(addprefix -L, $(patsubst %/,%,$(dir $(my_ndk_stl_shared_lib_fullpath))) \
52    $(my_ndk_sysroot_lib)) \
53    $(my_target_global_ld_dirs)
54my_target_global_ldflags := $(my_ndk_stl_shared_lib) $(my_target_global_ldflags)
55my_target_crtbegin_so_o := $(wildcard $(my_ndk_sysroot_lib)/crtbegin_so.o)
56my_target_crtend_so_o := $(wildcard $(my_ndk_sysroot_lib)/crtend_so.o)
57endif
58$(linked_module): PRIVATE_TARGET_GLOBAL_LD_DIRS := $(my_target_global_ld_dirs)
59$(linked_module): PRIVATE_TARGET_GLOBAL_LDFLAGS := $(my_target_global_ldflags)
60$(linked_module): PRIVATE_TARGET_LIBGCC := $(my_target_libgcc)
61$(linked_module): PRIVATE_TARGET_LIBATOMIC := $(my_target_libatomic)
62$(linked_module): PRIVATE_TARGET_CRTBEGIN_SO_O := $(my_target_crtbegin_so_o)
63$(linked_module): PRIVATE_TARGET_CRTEND_SO_O := $(my_target_crtend_so_o)
64
65$(linked_module): $(all_objects) $(all_libraries) \
66                  $(LOCAL_ADDITIONAL_DEPENDENCIES) \
67                  $(my_target_crtbegin_so_o) $(my_target_crtend_so_o)
68	$(transform-o-to-shared-lib)
69
70endif  # skip_build_from_source
71