NDK中LOCAL_SHARED_LIBRARIES

本文详细解析了在NDK中使用LOCAL_SHARED_LIBRARIES进行库链接的方式及其特性,包括如何处理动态库与静态库的区别,并阐述了这些库在链接过程中产生的依赖关系。

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NDK中 LOCAL_SHARED_LIBRARIES :::

链接的库不产生依赖关系,一般用于不需要重新编译的库,如库不存在,则会报错找不到。且貌似只能链接那些存在于系统目录下本模块需要连接的库。如果某一个库既有动态库又有静态库,那么在默认情况下是链接的动态库而非静态库。

如:LOCAL_LDLIBS += -lm –lz –lc -lcutils –lutils –llog …

如果你的Android.mk文件中只有这么一行,那么将会采用动态链接。


LOCAL_SHARED_LIBRARIES 会生成依赖关系,当库不存在时会去编译这个库


静态库:在编译的时候加载生成目标文件,在运行时不用加载库,在运行时对库没有依赖性。 后缀为.a
动态库:在目标文件运行时加载,手动加载,且对库有依赖性,后缀为.so

LOCAL_PATH := $(call my-dir) include $(CLEAR_VARS) LOCAL_STATIC_JAVA_LIBRARIES := fmodjar include $(BUILD_PACKAGE) include $(CLEAR_VARS) LOCAL_MODULE := fmod LOCAL_SRC_FILES := $(LOCAL_PATH)/../../../fmod/api/lib/$(TARGET_ARCH_ABI)/libfmod.so LOCAL_EXPORT_C_INCLUDES := $(LOCAL_PATH)/../../../fmod/api/inc include $(PREBUILT_SHARED_LIBRARY) include $(CLEAR_VARS) LOCAL_MODULE := fmodL LOCAL_SRC_FILES := $(LOCAL_PATH)/../../../fmod/api/lib/$(TARGET_ARCH_ABI)/libfmodL.so LOCAL_EXPORT_C_INCLUDES := $(LOCAL_PATH)/../../../fmod/api/inc include $(PREBUILT_SHARED_LIBRARY) include $(CLEAR_VARS) LOCAL_PREBUILT_STATIC_JAVA_LIBRARIES := fmodjar:libs/fmod.jar include $(BUILD_MULTI_PREBUILT) include $(CLEAR_VARS) $(call import-add-path,$(LOCAL_PATH)/../../cocos2d) $(call import-add-path,$(LOCAL_PATH)/../../cocos2d/external) $(call import-add-path,$(LOCAL_PATH)/../../cocos2d/cocos) LOCAL_MODULE := youme_voice_engine LOCAL_SRC_FILES := $(LOCAL_PATH)/../../../youme_voice_engine/lib/android/$(TARGET_ARCH_ABI)/libyoume_voice_engine.so include $(PREBUILT_SHARED_LIBRARY) cmd-strip = $(TOOLCHAIN_PREFIX)strip --strip-debug -x $1 LOCAL_CFLAGS += -fvisibility=hidden LOCAL_CPPFLAGS += -fvisibility=hidden LOCAL_MODULE := cocos2dcpp_shared LOCAL_MODULE_FILENAME := libcocos2dcpp FILE_LIST := hellocpp/main.cpp \ ../../Classes/AppDelegate.cpp \ ../../Classes/QuickSDKAndroid.cpp \ ../../Classes/YouMeVoiceEngineImp.cpp \ ../../Classes/QuickSDK.cpp FILE_LIST += $(wildcard $(LOCAL_PATH)/../../Classes/*/*.cpp) LOCAL_SRC_FILES := $(FILE_LIST:$(LOCAL_PATH)/%=%) LOCAL_C_INCLUDES := $(LOCAL_PATH)/../../Classes \ $(LOCAL_PATH)/../../cocos2d/libiconv/include \ $(LOCAL_PATH)/../../cocos2d/libiconv/libcharset \ $(LOCAL_PATH)/../../cocos2d/libiconv/lib \ $(LOCAL_PATH)/../../cocos2d/libiconv/libcharset/include \ $(LOCAL_PATH)/../../cocos2d/libiconv/srclib \ $(LOCAL_PATH)/../../cocos2d/libiconv \ $(LOCAL_PATH)/../../Classes \ $(LOCAL_PATH)/../../youme_voice_engine/include # _COCOS_HEADER_ANDROID_BEGIN # _COCOS_HEADER_ANDROID_END LOCAL_STATIC_LIBRARIES := cc_static LOCAL_STATIC_LIBRARIES += libiconv_static LOCAL_SHARED_LIBRARIES := fmodL LOCAL_SHARED_LIBRARIES += fmod LOCAL_SHARED_LIBRARIES += youme_voice_engine # _COCOS_LIB_ANDROID_BEGIN # _COCOS_LIB_ANDROID_END include $(BUILD_SHARED_LIBRARY) $(call import-module,.) $(call import-module,libiconv) # _COCOS_LIB_IMPORT_ANDROID_BEGIN # _COCOS_LIB_IMPORT_ANDROID_END C:\Users\Administrator\Desktop\client\proj.android\libs\arm64-v8a文件.so文件都在这个文件夹下啊。你看下路径是否正确?
最新发布
07-24
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