core/shared_library_internal.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)$(LOCAL_MODULE_STEM_32)$(LOCAL_MODULE_STEM_64)),)
  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_SYSTEM)/prebuilt_internal.mk
  29 skip_build_from_source := true
  30 endif
  31 endif
  32
  33 ifndef skip_build_from_source
  34
  35 # Put the built targets of all shared libraries in a common directory
  36 # to simplify the link line.
  37 OVERRIDE_BUILT_MODULE_PATH := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_OUT_INTERMEDIATE_LIBRARIES)
  38
  39 include $(BUILD_SYSTEM)/dynamic_binary.mk
  40
  41 # Define PRIVATE_ variables from global vars
  42 my_target_global_ld_dirs := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_GLOBAL_LD_DIRS)
  43 ifeq ($(LOCAL_NO_LIBGCC),true)
  44 my_target_libgcc :=
  45 else
  46 my_target_libgcc := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_LIBGCC)
  47 endif
  48 my_target_libatomic := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_LIBATOMIC)
  49 ifeq ($(LOCAL_NO_CRT),true)
  50 my_target_crtbegin_so_o :=
  51 my_target_crtend_so_o :=
  52 else
  53 my_target_crtbegin_so_o := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_CRTBEGIN_SO_O)
  54 my_target_crtend_so_o := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_CRTEND_SO_O)
  55 endif
  56 ifdef LOCAL_SDK_VERSION
  57 # Make sure the prebuilt NDK paths are put ahead of the TARGET_GLOBAL_LD_DIRS,
  58 # so we don't have race condition when the system libraries (such as libc, libstdc++) are also built in the tree.
  59 my_target_global_ld_dirs := \
  60     $(addprefix -L, $(patsubst %/,%,$(dir $(my_ndk_stl_shared_lib_fullpath))) \
  61     $(my_ndk_sysroot_lib)) \
  62     $(my_target_global_ld_dirs)
  63 my_target_global_ldflags := $(my_ndk_stl_shared_lib) $(my_target_global_ldflags)
  64 my_target_crtbegin_so_o := $(wildcard $(my_ndk_sysroot_lib)/crtbegin_so.o)
  65 my_target_crtend_so_o := $(wildcard $(my_ndk_sysroot_lib)/crtend_so.o)
  66 endif
  67 $(linked_module): PRIVATE_TARGET_GLOBAL_LD_DIRS := $(my_target_global_ld_dirs)
  68 $(linked_module): PRIVATE_TARGET_GLOBAL_LDFLAGS := $(my_target_global_ldflags)
  69 $(linked_module): PRIVATE_TARGET_LIBGCC := $(my_target_libgcc)
  70 $(linked_module): PRIVATE_TARGET_LIBATOMIC := $(my_target_libatomic)
  71 $(linked_module): PRIVATE_TARGET_CRTBEGIN_SO_O := $(my_target_crtbegin_so_o)
  72 $(linked_module): PRIVATE_TARGET_CRTEND_SO_O := $(my_target_crtend_so_o)
  73
  74 $(linked_module): \
  75         $(all_objects) \
  76         $(all_libraries) \
  77         $(my_target_crtbegin_so_o) \
  78         $(my_target_crtend_so_o) \
  79         $(LOCAL_MODULE_MAKEFILE_DEP) \
  80         $(LOCAL_ADDITIONAL_DEPENDENCIES)
  81         $(transform-o-to-shared-lib)
  82
  83 endif  # skip_build_from_source