将 iRate 添加到我的应用程序时,我收到此错误:
Undefined symbols for architecture i386:
"_OBJC_CLASS_$_iRate", referenced from:
objc-class-ref in AppDelegate.o
ld: symbol(s) not found for architecture i386
clang: error: linker command failed with exit code 1 (use -v to see invocation)