[Webkit-unassigned] [Bug 51116] Building webkit with Visual Studio 2010 fails due to ambiguous 'operator =' methods in RefPtr.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=51116





--- Comment #1 from Jake <jake at jakeonthenet.com>  2010-12-15 10:02:06 PST ---
While my patch only addresses building with vs2010, I propose these changes to NullPtr.h to support backward compatibility with older versions of msvc.


#ifndef NullPtr_h
#define NullPtr_h

// For compilers and standard libraries that do not yet include it, this adds the
// nullptr_t type and nullptr object. They are defined in the same namespaces they
// would be in compiler and library that had the support.

#if !defined(_MSC_VER)
#ifndef __has_feature
    #define __has_feature(feature) 0
#endif

#if !__has_feature(cxx_nullptr)

namespace std {
    class nullptr_t { };
}

extern std::nullptr_t nullptr;

#endif

#elseif  _MSC_VER < 1600

//to maintain compatibility with previous versions of msvc
#ifndef nullptr
#define nullptr 0
#endif

#endif //_MSC_VER

#endif

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