升级XCode 5.0后，C ++代码无法编译-> 5.1“类的前向声明不能具有嵌套的名称说明符". [英] C++ code fails to compile after upgrading XCode 5.0 -> 5.1 "forward declaration of class cannot have a nested name specifier"

问题描述

我在.h文件中有此文件

I have this in a .h file:

class Ogre::ManualObject;

我不知道它是怎么到达那里的，但是它总是在多个编译器下进行编译-直到XCode5.1突然将其作为错误引发.

I don't know how it got there but it's always compiled under multiple compilers - until suddenly XCode5.1 raises it as an error.

Apple是否再次更改了C ++编译器?

Have Apple changed the C++ compiler again?

推荐答案

按照约翰的建议，将class Ogre::ManualObject;更改为namespace Ogre{ class ManualObject;}.我遇到了完全相同的问题(但声明不同)，也遇到了Ogre和Xcode 5.1.更改了3行，一切正常.

As John suggested, change class Ogre::ManualObject; to namespace Ogre{ class ManualObject;}. I had exactly the same problem (but with different declarations), also with Ogre and Xcode 5.1. Changed 3 lines, everything worked.

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