最新v8Gyp编译已废弃,只支持GN编译。 官网编译文档:
args.gn
is_debug = false target_cpu = "arm" v8_target_cpu = "arm" target_os = "android" is_component_build = false v8_static_library = true v8_enable_i18n_support = false v8_use_snapshot = false编译成功后out.gn/xxx/obj/下存在libv8_base.a等静态库。 使用时发现缺少libv8_libplatform.a
GN的配置我们不用去管,更改现有工程就行。 打开obj/v8_hello_world.ninja,关键连接代码
obj/v8_libbase/bits.o obj/v8_libbase/cpu.o obj/v8_libbase/stack_trace.o obj/v8_libbase/division-by-constant.o obj/v8_libbase/file-utils.o obj/v8_libbase/functional.o obj/v8_libbase/ieee754.o obj/v8_libbase/logging.o obj/v8_libbase/once.o obj/v8_libbase/condition-variable.o obj/v8_libbase/mutex.o obj/v8_libbase/semaphore.o obj/v8_libbase/time.o obj/v8_libbase/sys-info.o obj/v8_libbase/random-number-generator.o obj/v8_libbase/platform-posix.o obj/v8_libbase/stack_trace_android.o obj/v8_libbase/platform-linux.o obj/v8_libplatform/default-platform.o obj/v8_libplatform/task-queue.o obj/v8_libplatform/trace-buffer.o obj/v8_libplatform/trace-config.o obj/v8_libplatform/trace-object.o obj/v8_libplatform/trace-writer.o obj/v8_libplatform/tracing-controller.o obj/v8_libplatform/worker-thread.o这里的.o文件就是对应libv8_libplatform.a
编辑obj/v8_libsampler.ninja alink obj/v8_libsampler/sampler.o 后添加上面.o文件。 删除libv8_libsampler.a重新运行ninja -C out.gn/arm.release 生成新的libv8_libsampler.a重命名为libv8_libplatform.a
libv8_base.a libv8_libplatform.a libv8_nosnapshot.a
libv8_snapshot.a为Android arm 静态库
工程目录结构
Application.mk
APP_ABI := armeabi NDK_TOOLCHAIN_VERSION=4.9 APP_STL = c++_static APP_CPPFLAGS := -frtti -std=c++11 -fsigned-char -fexceptions APP_OPTIM := release APP_PLATFORM := android-16Android.mk
LOCAL_PATH := $(call my-dir) include $(CLEAR_VARS) LOCAL_MODULE := libv8_base LOCAL_SRC_FILES := $(TARGET_ARCH_ABI)/libv8_base.a include $(PREBUILT_STATIC_LIBRARY) include $(CLEAR_VARS) LOCAL_MODULE := libv8_libplatform LOCAL_SRC_FILES := $(TARGET_ARCH_ABI)/libv8_libplatform.a include $(PREBUILT_STATIC_LIBRARY) include $(CLEAR_VARS) LOCAL_MODULE := libv8_nosnapshot LOCAL_SRC_FILES := $(TARGET_ARCH_ABI)/libv8_nosnapshot.a include $(PREBUILT_STATIC_LIBRARY) include $(CLEAR_VARS) LOCAL_MODULE := libv8_snapshot LOCAL_SRC_FILES := $(TARGET_ARCH_ABI)/libv8_snapshot.a include $(PREBUILT_STATIC_LIBRARY) include $(CLEAR_VARS) LOCAL_MODULE := V8Library LOCAL_SRC_FILES := V8Library.cpp \ JniHelper.cpp \ V8Context.cpp \ V8ScriptEngine.cpp LOCAL_CFLAGS := -funwind-tables LOCAL_LDLIBS := -llog -landroid -lstdc++ -lm -latomic LOCAL_C_INCLUDES := $(LOCAL_PATH)/include LOCAL_STATIC_LIBRARIES := libv8_base libv8_libplatform libv8_snapshot include $(BUILD_SHARED_LIBRARY)