[vtk-developers] std::auto_ptr replacement for modern compilers.

[David Gobbi]

On Mon, Jun 20, 2016 at 8:17 AM, Ben Boeckel <ben.boeckel at kitware.com>
wrote:

>
> and our copy already has it:
>
>
> https://gitlab.kitware.com/third-party/jsoncpp/blob/master/src/lib_json/json_reader.cpp#L46


I'm fond of simple solutions like that.  Since we know it works, we could
add the following to vtkConfigure.h.in, which is easier than adding a
try-compile:

#if __cplusplus >= 201103L || (defined(_CPPLIB_VER) && _CPPLIB_VER >= 520)
#define VTK_HAS_STD_UNIQUE_PTR
#endif

Those three source files can use this in order to avoid the compiler
warning (i.e. by using std::unique_ptr when available).

I don't think we should actively encourage the use of std::unique_ptr yet.
That can wait until we're ready to abandon the old compilers.

 - David
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