LOCAL_EXPORT_C_INCLUDES

本文介绍了Android NDK中LOCAL_EXPORT_CFLAGS与LOCAL_CFLAGS的区别,通过示例展示了如何在一个模块中定义宏,并在另一个模块中使用这些宏。这对于理解Android模块间的依赖关系非常重要。

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LOCAL_EXPORT_C_INCLUDES和LOCALC_INCLUDES 、LOCAL_EXPORT_CFLAGS和 LOCAL_CFLAGS ,差别是编译某模块是,如果它依赖别的模块,那么别的模块的LOCAL_EXPORT*类的值,会自动加入到本模块。(但是反过来不会有作用)

例如,定义了一个模块, 定义宏FOO

   include $(CLEAR_VARS)
   LOCAL_MODULE := foo
   LOCAL_SRC_FILES := foo/foo.c
   LOCAL_EXPORT_CFLAGS :=-DFOO=1
   include $(BUILD_STATIC_LIBRARY)

另外一个模块bar使用foo模块

   include $(CLEAR_VARS)
   LOCAL_MODULE := bar
   LOCAL_SRC_FILES := bar.c
   LOCAL_CFLAGS :=-DBAR=2
   LOCAL_STATIC_LIBRARIES := foo
   include $(BUILD_SHARED_LIBRARY)

那么bar.c可以同时使用 FOO BAR这两个宏

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?
07-24
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