当构建Xcode4.3.2项目时出现未定义的符号体系结构i386

Question

当我尝试构建Xcode项目时出现上述错误，错误的详细信息出现在下面，我无法理解此错误的原因，或者如何解决它，请帮助，谢谢。

Undefined symbols for architecture i386: 
    "_OBJC_CLASS_$_MBProgressHUD", referenced from: 
     objc-class-ref in BasicViewController.o 
ld: symbol(s) not found for architecture i386 
clang: error: linker command failed with exit code 1 (use -v to see invocation) 

Answer 1

您还需要为模拟器构建MBProgressHUD。