摘要： 今天到了新公司，装了xcode4.0.2，随便建了一个工程，总会有十多个错误导致编译失败：错误如下：error: unable to create '/Users/［用户名］/Library/Developer/Xcode/DerivedData/gfhfgh-edhpobgjmxjmsmgimuzpzwmrvgaq/Build/Intermediates' (Permission denied)…Unable to create directory /Users/moqi/Library/Developer/Xcode/DerivedData/gfhfgh-edhpobgjm 阅读全文