GoogleMobileAds iOS 9链接错误
我遵循这个步骤，因为我安装cocoapods时遇到问题，我手动下载了SDK压缩文件，将它添加到项目中，编译得很好，但是我得到了很多链接错误，如下所示。 谢谢你的帮助。
Undefined symbols for architecture x86_64: "_CBCentralManagerOptionShowPowerAlertKey", referenced from: l942 in GoogleMobileAds(flat-x86_64) "_CVBufferGetAttachment", referenced from: l2397 in GoogleMobileAds(flat-x86_64) "_CVOpenGLESTextureCacheCreate", referenced from: l2399 in GoogleMobileAds(flat-x86_64) "_CVOpenGLESTextureCacheCreateTextureFromImage", referenced from: l2400 in GoogleMobileAds(flat-x86_64) "_CVOpenGLESTextureCacheFlush", referenced from: l2398 in GoogleMobileAds(flat-x86_64) "_CVOpenGLESTextureGetName", referenced from: l2400 in GoogleMobileAds(flat-x86_64) "_CVOpenGLESTextureGetTarget", referenced from: l2400 in GoogleMobileAds(flat-x86_64) "_CVPixelBufferGetHeight", referenced from: l2397 in GoogleMobileAds(flat-x86_64) "_CVPixelBufferGetWidth", referenced from: l2397 in GoogleMobileAds(flat-x86_64) "_GLKMatrix4Identity", referenced from: l2392 in GoogleMobileAds(flat-x86_64) l2402 in GoogleMobileAds(flat-x86_64) "_OBJC_CLASS_$_CBCentralManager", referenced from: objc-class-ref in GoogleMobileAds(flat-x86_64) "_OBJC_CLASS_$_CBUUID", referenced from: objc-class-ref in GoogleMobileAds(flat-x86_64) "_OBJC_CLASS_$_CMMotionManager", referenced from: objc-class-ref in GoogleMobileAds(flat-x86_64) "_OBJC_CLASS_$_EAGLContext", referenced from: objc-class-ref in GoogleMobileAds(flat-x86_64) "_OBJC_CLASS_$_GLKView", referenced from: objc-class-ref in GoogleMobileAds(flat-x86_64) "_OBJC_CLASS_$_SFSafariViewController", referenced from: objc-class-ref in GoogleMobileAds(flat-x86_64) "_glActiveTexture", referenced from: l2397 in GoogleMobileAds(flat-x86_64) "_glAttachShader", referenced from: _GADGLCreateProgram in GoogleMobileAds(flat-x86_64) "_glBindAttribLocation", referenced from: l2399 in GoogleMobileAds(flat-x86_64) "_glBindTexture", referenced from: l2400 in GoogleMobileAds(flat-x86_64) "_glClear", referenced from: l092 in GoogleMobileAds(flat-x86_64) "_glClearColor", referenced from: l092 in GoogleMobileAds(flat-x86_64) "_glCompileShader", referenced from: l1011 in GoogleMobileAds(flat-x86_64) "_glCreateProgram", referenced from: _GADGLCreateProgram in GoogleMobileAds(flat-x86_64) "_glCreateShader", referenced from: _GADGLCreateProgram in GoogleMobileAds(flat-x86_64) "_glDeleteProgram", referenced from: _GADGLCreateProgram in GoogleMobileAds(flat-x86_64) l2401 in GoogleMobileAds(flat-x86_64) "_glDeleteShader", referenced from: _GADGLCreateProgram in GoogleMobileAds(flat-x86_64) "_glDetachShader", referenced from: _GADGLCreateProgram in GoogleMobileAds(flat-x86_64) "_glDisable", referenced from: l2399 in GoogleMobileAds(flat-x86_64) "_glDrawArrays", referenced from: l2397 in GoogleMobileAds(flat-x86_64) "_glEnableVertexAttribArray", referenced from: l2397 in GoogleMobileAds(flat-x86_64) "_glGetProgramiv", referenced from: _GADGLCreateProgram in GoogleMobileAds(flat-x86_64) "_glGetShaderiv", referenced from: l1011 in GoogleMobileAds(flat-x86_64) "_glGetUniformLocation", referenced from: l2399 in GoogleMobileAds(flat-x86_64) "_glLinkProgram", referenced from: _GADGLCreateProgram in GoogleMobileAds(flat-x86_64) "_glShaderSource", referenced from: l1011 in GoogleMobileAds(flat-x86_64) "_glTexParameterf", referenced from: l2400 in GoogleMobileAds(flat-x86_64) "_glTexParameteri", referenced from: l2400 in GoogleMobileAds(flat-x86_64) "_glUniform1f", referenced from: l2397 in GoogleMobileAds(flat-x86_64) "_glUniform1i", referenced from: l2399 in GoogleMobileAds(flat-x86_64) "_glUniformMatrix3fv", referenced from: l2397 in GoogleMobileAds(flat-x86_64) "_glUniformMatrix4fv", referenced from: l2397 in GoogleMobileAds(flat-x86_64) "_glUseProgram", referenced from: l2399 in GoogleMobileAds(flat-x86_64) "_glVertexAttribPointer", referenced from: l2397 in GoogleMobileAds(flat-x86_64) "_glViewport", referenced from: l092 in GoogleMobileAds(flat-x86_64) "_kCVImageBufferYCbCrMatrixKey", referenced from: l2397 in GoogleMobileAds(flat-x86_64) "_kCVImageBufferYCbCrMatrix_ITU_R_601_4", referenced from: l2397 in GoogleMobileAds(flat-x86_64) "_kCVPixelBufferPixelFormatTypeKey", referenced from: l086 in GoogleMobileAds(flat-x86_64) "_kEAGLColorFormatRGBA8", referenced from: l070 in GoogleMobileAds(flat-x86_64) "_kEAGLDrawablePropertyColorFormat", referenced from: l070 in GoogleMobileAds(flat-x86_64) "_kEAGLDrawablePropertyRetainedBacking", referenced from: l070 in GoogleMobileAds(flat-x86_64) ld: symbol(s) not found for architecture x86_64 clang: error: linker command failed with exit code 1 (use -v to see invocation) 我想到了。 为这个项目增加了一些框架并且工作，但是在指南中没有提到。 请参阅截图。
GoogleMobileAds SDK（也称为AdMob SDK）具有许多依赖关系，并且在后续版本中添加（有时会被删除）。 例如，JavaScriptCore框架是从2016-10-17发布的版本7.13.0开始的一个新的依赖项。 如果再次遇到此问题，请检查发行说明日志中对框架依赖关系的更新：