shared_library.mk revision e6f65438a45f0e1b519fb3cd2799f44ca87911a7 
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)),)
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 $(BUILD_PREBUILT)
29skip_build_from_source := true
30endif
31endif
32
33ifndef skip_build_from_source
34####################################################
35## Add profiling libraries if aprof is turned
36####################################################
37ifeq ($(strip $(LOCAL_ENABLE_APROF_JNI)),true)
38  LOCAL_ENABLE_APROF := true
39  LOCAL_WHOLE_STATIC_LIBRARIES += libaprof_jni
40endif
41
42ifeq ($(strip $(LOCAL_ENABLE_APROF)),true)
43  LOCAL_SHARED_LIBRARIES += libaprof libaprof_runtime
44endif
45
46# Put the built targets of all shared libraries in a common directory
47# to simplify the link line.
48OVERRIDE_BUILT_MODULE_PATH := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)
49
50include $(BUILD_SYSTEM)/dynamic_binary.mk
51
52
53# Define PRIVATE_ variables from global vars
54my_target_global_ld_dirs := $(TARGET_GLOBAL_LD_DIRS)
55ifeq ($(LOCAL_CLANG),true)
56my_target_global_ldflags := $(CLANG_TARGET_GLOBAL_LDFLAGS)
57else
58my_target_global_ldflags := $(TARGET_GLOBAL_LDFLAGS)
59endif
60my_target_fdo_lib := $(TARGET_FDO_LIB)
61my_target_libgcc := $(TARGET_LIBGCC)
62my_target_crtbegin_so_o := $(TARGET_CRTBEGIN_SO_O)
63my_target_crtend_so_o := $(TARGET_CRTEND_SO_O)
64ifdef LOCAL_SDK_VERSION
65# Make sure the prebuilt NDK paths are put ahead of the TARGET_GLOBAL_LD_DIRS,
66# so we don't have race condition when the system libraries (such as libc, libstdc++) are also built in the tree.
67my_target_global_ld_dirs := \
68    $(addprefix -L, $(patsubst %/,%,$(dir $(my_ndk_stl_shared_lib_fullpath))) \
69    $(my_ndk_version_root)/usr/lib) \
70    $(my_target_global_ld_dirs)
71my_target_global_ldflags := $(my_ndk_stl_shared_lib) $(my_target_global_ldflags)
72my_target_crtbegin_so_o := $(wildcard $(my_ndk_version_root)/usr/lib/crtbegin_so.o)
73my_target_crtend_so_o := $(wildcard $(my_ndk_version_root)/usr/lib/crtend_so.o)
74endif
75$(linked_module): PRIVATE_TARGET_GLOBAL_LD_DIRS := $(my_target_global_ld_dirs)
76$(linked_module): PRIVATE_TARGET_GLOBAL_LDFLAGS := $(my_target_global_ldflags)
77$(linked_module): PRIVATE_TARGET_FDO_LIB := $(my_target_fdo_lib)
78$(linked_module): PRIVATE_TARGET_LIBGCC := $(my_target_libgcc)
79$(linked_module): PRIVATE_TARGET_CRTBEGIN_SO_O := $(my_target_crtbegin_so_o)
80$(linked_module): PRIVATE_TARGET_CRTEND_SO_O := $(my_target_crtend_so_o)
81
82$(linked_module): $(all_objects) $(all_libraries) \
83                  $(LOCAL_ADDITIONAL_DEPENDENCIES) \
84                  $(my_target_crtbegin_so_o) $(my_target_crtend_so_o)
85	$(transform-o-to-shared-lib)
86
87endif  # skip_build_from_source
88