我是 ios 开发新手。我在 ios 5.1 模拟器上运行时有一个项目,它工作正常,没有出现任何错误,但是在同一个项目中,在 ios 6.0、ios 6.1 模拟器上运行时,我遇到了以下错误。谁能建议我我该如何解决这个问题?
错误:
Undefined symbols for architecture i386:
"_OBJC_CLASS_$_GDataOAuthAuthentication", referenced from:
objc-class-ref in GDataOAuthViewControllerTouch.o
"_OBJC_CLASS_$_GDataOAuthSignIn", referenced from:
objc-class-ref in GDataOAuthViewControllerTouch.o
ld: symbol(s) not found for architecture i386
clang: error: linker command failed with exit code 1 (use -v to see invocation)