H,我使用google的admob,我添加了所有框架,我完全按照他们在指导方针中写的。但是在我建立这个错误之后出现了。我在stackoverflow上经历了一些解决方案,但无法修复,请帮助我。
  "_CGSizeFromGADAdSize", referenced from:
      -[GADMasterViewController init] in GADMasterViewController.o
      -[GADMasterViewController resetAdView:] in GADMasterViewController.o
  "_OBJC_CLASS_$_GADBannerView", referenced from:
      objc-class-ref in GADMasterViewController.o
  "_OBJC_CLASS_$_GADInterstitial", referenced from:
      objc-class-ref in GADMasterViewController.o
  "_OBJC_CLASS_$_GADRequest", referenced from:
      objc-class-ref in GADMasterViewController.o
  "_kGADAdSizeSmartBannerLandscape", referenced from:
      -[GADMasterViewController resetAdView:] in GADMasterViewController.o
  "_kGADAdSizeSmartBannerPortrait", referenced from:
      -[GADMasterViewController init] in GADMasterViewController.o
      -[GADMasterViewController resetAdView:] in GADMasterViewController.o
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)