core/shared_library.mk

   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