[issue25759] Python 2.7.11rc1 not building with Visual Studio 2015

[Kovid Goyal]

Kovid Goyal added the comment:

I missed a few places in my initial patch, updated patch:
https://github.com/kovidgoyal/cpython/commit/a9ec814d466d3c0139d10b69666f88eed10e4940

Also fixed the code not clearing errno before calling CRT functions, while I was there. Regardless of whether you want to allow your fork to be compiled with VS 2015 or not, I suggest you consider merging this patch, anyway, since the errno clearing is the correct thing to do, regardless. You can always cherrypick the errno clearing bits if you like :)

Just FYI, the code in my fork of 2.7 passes all tests on 64bit builds with VS 2015, except for 5 small ones that I have yet to track down. (test_ctypes test_distutils test_gzip test_mailbox test_zipfile)

I dont anticipate any difficulty in fixing the remaining test failures. Famous last words ;)

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<http://bugs.python.org/issue25759>
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