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IOS编译报错:objc-class-ref in AppDelegate.o之解决方案

时间:2015-02-02 14:54来源:www.chengxuyuans.com 点击:

xcode6.0升级到xcode6.1后,程序编译报错,错误如下:这是个很常见的错误,很多项目在更换xcode版本后,都会出现类似的问题。


Undefined symbols for architecture x86_64:

  "_OBJC_CLASS_$_QQApiInterface", referenced from:

      objc-class-ref in AppDelegate.o

  "_OBJC_CLASS_$_ShareSDK", referenced from:

      objc-class-ref in AppDelegate.o

      objc-class-ref in RecipeDetailViewController.o

      objc-class-ref in showViewController.o

      objc-class-ref in video_show.o

  "_OBJC_CLASS_$_TencentOAuth", referenced from:

      objc-class-ref in AppDelegate.o

  "_OBJC_CLASS_$_WXApi", referenced from:

      objc-class-ref in AppDelegate.o

  "_OBJC_CLASS_$_WeiboApi", referenced from:

      objc-class-ref in AppDelegate.o

  "_OBJC_CLASS_$_YXApi", referenced from:

      objc-class-ref in AppDelegate.o

ld: symbol(s) not found for architecture x86_64

clang: error: linker command failed with exit code 1 (use -v to see invocation)

解决方案:

Xcode升级到6.1.1 默认让所有App都通过64位编译器编译。原来在Xcode6.0的时候默认的Architectures只有(arm7,armv7s),到6.1.1默认就带上arm64的参数了。


1.把1.选中Targets—>Build Settings—>Architectures。

把build active architectures only 改为 NO。

2. 把最下面的Valid Architectures中的arm64参数删掉就可以了

   或者:

双击Architectures,选择other,删除$(ARCH_STANDARD),然后增加armv7和armv7s(写上:$(ARCHS_STANDARD_32_BIT))。

3.clean 再build。

结果设置如下图:


目前设置完成后,问题顺利解决,大家有更好的解决方案,欢迎讨论!


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