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      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 
     10 ifeq ($(strip $(LOCAL_MODULE_CLASS)),)
     11 LOCAL_MODULE_CLASS := SHARED_LIBRARIES
     12 endif
     13 ifeq ($(strip $(LOCAL_MODULE_SUFFIX)),)
     14 LOCAL_MODULE_SUFFIX := $(TARGET_SHLIB_SUFFIX)
     15 endif
     16 ifneq ($(strip $(OVERRIDE_BUILT_MODULE_PATH)),)
     17 $(error $(LOCAL_PATH): Illegal use of OVERRIDE_BUILT_MODULE_PATH)
     18 endif
     19 ifneq ($(strip $(LOCAL_MODULE_STEM)$(LOCAL_BUILT_MODULE_STEM)),)
     20 $(error $(LOCAL_PATH): Cannot set module stem for a library)
     21 endif
     22 
     23 $(call target-shared-library-hook)
     24 
     25 skip_build_from_source :=
     26 ifdef LOCAL_PREBUILT_MODULE_FILE
     27 ifeq (,$(call if-build-from-source,$(LOCAL_MODULE),$(LOCAL_PATH)))
     28 include $(BUILD_PREBUILT)
     29 skip_build_from_source := true
     30 endif
     31 endif
     32 
     33 ifndef skip_build_from_source
     34 ####################################################
     35 ## Add profiling libraries if aprof is turned
     36 ####################################################
     37 ifeq ($(strip $(LOCAL_ENABLE_APROF_JNI)),true)
     38   LOCAL_ENABLE_APROF := true
     39   LOCAL_WHOLE_STATIC_LIBRARIES += libaprof_jni
     40 endif
     41 
     42 ifeq ($(strip $(LOCAL_ENABLE_APROF)),true)
     43   LOCAL_SHARED_LIBRARIES += libaprof libaprof_runtime
     44 endif
     45 
     46 # Put the built targets of all shared libraries in a common directory
     47 # to simplify the link line.
     48 OVERRIDE_BUILT_MODULE_PATH := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)
     49 
     50 include $(BUILD_SYSTEM)/dynamic_binary.mk
     51 
     52 
     53 # Define PRIVATE_ variables from global vars
     54 my_target_global_ld_dirs := $(TARGET_GLOBAL_LD_DIRS)
     55 my_target_global_ldflags := $(TARGET_GLOBAL_LDFLAGS)
     56 my_target_fdo_lib := $(TARGET_FDO_LIB)
     57 my_target_libgcc := $(TARGET_LIBGCC)
     58 my_target_crtbegin_so_o := $(TARGET_CRTBEGIN_SO_O)
     59 my_target_crtend_so_o := $(TARGET_CRTEND_SO_O)
     60 ifdef LOCAL_SDK_VERSION
     61 # Make sure the prebuilt NDK paths are put ahead of the TARGET_GLOBAL_LD_DIRS,
     62 # so we don't have race condition when the system libraries (such as libc, libstdc++) are also built in the tree.
     63 my_target_global_ld_dirs := \
     64     $(addprefix -L, $(patsubst %/,%,$(dir $(my_ndk_stl_shared_lib_fullpath))) \
     65     $(my_ndk_version_root)/usr/lib) \
     66     $(my_target_global_ld_dirs)
     67 my_target_global_ldflags := $(my_ndk_stl_shared_lib) $(my_target_global_ldflags)
     68 my_target_crtbegin_so_o := $(wildcard $(my_ndk_version_root)/usr/lib/crtbegin_so.o)
     69 my_target_crtend_so_o := $(wildcard $(my_ndk_version_root)/usr/lib/crtend_so.o)
     70 endif
     71 $(linked_module): PRIVATE_TARGET_GLOBAL_LD_DIRS := $(my_target_global_ld_dirs)
     72 $(linked_module): PRIVATE_TARGET_GLOBAL_LDFLAGS := $(my_target_global_ldflags)
     73 $(linked_module): PRIVATE_TARGET_FDO_LIB := $(my_target_fdo_lib)
     74 $(linked_module): PRIVATE_TARGET_LIBGCC := $(my_target_libgcc)
     75 $(linked_module): PRIVATE_TARGET_CRTBEGIN_SO_O := $(my_target_crtbegin_so_o)
     76 $(linked_module): PRIVATE_TARGET_CRTEND_SO_O := $(my_target_crtend_so_o)
     77 
     78 $(linked_module): $(all_objects) $(all_libraries) \
     79                   $(LOCAL_ADDITIONAL_DEPENDENCIES) \
     80                   $(my_target_crtbegin_so_o) $(my_target_crtend_so_o)
     81 	$(transform-o-to-shared-lib)
     82 
     83 endif  # skip_build_from_source
     84