Android import_includes export_includes

本文介绍了一种在Android 4.2.2上编译应用程序时遇到的特定错误及其解决方案。该错误涉及到寻找静态库中的export_includes。通过正确配置Android.mk文件和使用预构建文件方法,可以自动处理静态库及其相关文件。

摘要生成于 C知道 ,由 DeepSeek-R1 满血版支持, 前往体验 >

完整的错误:xxx/obj/SHARED_LIBRARIES/yyy_intermediates/import_includes需要的目标xxx/obj/STATIC_LIBRARIES/zzz_intermediates/export_includes

       出现这个问题不是在编译系统的时候出现的,是在编译一个应用程序的时候出现的。应用程序A有点特殊,用到了一个静态库B.a。直接编译A会去B的中间目录$OUT/obj/STATIC_LIBRARIES/B_intermediates/去找export_includes ,这个在升级到android4.2.2的时候遇到的,4.0.3的时候没有。4.0.3的时候会到$OUT/obj/STATIC_LIBRARIES/B_intermediates/中找B.a,然后我手动将B.a放到里边就行了(当时觉得手动放入并不是一个好的方法)。但是现在的4.2.2会先找export_includes,去其他库目录中找export_includes会发现其是一个空文件,于是新建一个空文件命名为export_includes后和B.a一同放入$OUT/obj/STATIC_LIBRARIES/B_intermediates/程序A编译链接成功。

        手动放入$OUT目录文件不是一个好的方法,趁此机会要解决这个问题。找了一下Android对于这种已经存在的库的处理方法是在新建立一个lib目录,其中建立一个Android.mk内容如下:
LOCAL_PATH := $(call my-dir)
$(call add-prebuilt-files, STATIC_LIBRARIES, B.a)
(关于add-prebuilt-files的更多使用看参考文档)

将B.a和这个Android.mk一起放入到新建的lib目录。在其中运行mm。可以发现会自动将当前目录下的B.a拷贝到$OUT/obj/STATIC_LIBRARIES/B_intermediates/并生成了需要的export_includes。

再编译A程序可以无误的链接了。为了把B.a和A程序放到一起可以这个lib目录和A程序所在的A目录一起放到新的A_zong目录。在A_zong中新建一个Android.mk内容如下:
include $(call all-subdir-makefiles)

A_zong下的目录结构是这样的:
├── Android.mk
├── lib
│   ├── Android.mk
│   └── B.a
└── A
    ├── Android.mk
    ├── a.c
  └── a.h
这样就可以当成一个普通的程序放到源码的app源码位置,整体编译的时候会自动编译A_zong.
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
评论
添加红包

请填写红包祝福语或标题

红包个数最小为10个

红包金额最低5元

当前余额3.43前往充值 >
需支付:10.00
成就一亿技术人!
领取后你会自动成为博主和红包主的粉丝 规则
hope_wisdom
发出的红包
实付
使用余额支付
点击重新获取
扫码支付
钱包余额 0

抵扣说明:

1.余额是钱包充值的虚拟货币,按照1:1的比例进行支付金额的抵扣。
2.余额无法直接购买下载,可以购买VIP、付费专栏及课程。

余额充值