[Distutils] Fwd: Re: PEP 517 again

[Greg Ewing]

Paul Moore wrote:
> 4. The point of all this is that the definition of build_directory
> says "If build_directory is None, the backend may do an 'in place'
> build which modifies the source directory and may produce different
> results from those that would be obtained by exporting an sdist
> first".

Is it really necessary for pip to specify exactly *where* to do
an out-of-place build? Why should it care, as long as the end
result is a clean wheel?

-- 
Greg