Ich bin den Schritten von @ gefolDie, da ich Probleme mit der Installation von Cocoapods hatte, habe ich das SDK zip manuell heruntergeladen, es zum Projekt hinzugefügt, es wurde gut kompiliert, aber ich habe wie folgt viele Linkfehler bekommen. danke für jede hilfe.

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)