問題:出現Command /Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin/clang++ failed with exit code 1 這個錯誤的原因詳見以下說明。該說明說是:重新定義了一個LoginViewController。所以只要將其中的一個LoginViewController刪除掉就行了。
ld: duplicate symbol _OBJC_IVAR_$_LoginViewController.loginLoadingView in /Users/tqw/Library/Developer/Xcode/DerivedData/vsstoo-erxfdlufbmuhrdfwihfmuuhpnufu/Build/Intermediates/vsstoo.build/Debug-iphonesimulator/vsstoo.build/Objects-normal/i386/LoginViewController-2978D2ACF423E17A.o and /Users/tqw/Library/Developer/Xcode/DerivedData/vsstoo-erxfdlufbmuhrdfwihfmuuhpnufu/Build/Intermediates/vsstoo.build/Debug-iphonesimulator/vsstoo.build/Objects-normal/i386/LoginViewController-4CF3C98E99B18160.o for architecture i386
Command /Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin/clang++ failed with exit code 1