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Subject: Re: Compiling native extensions with Visual Studio 2012?
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Xref: csiph.com comp.lang.python:38285

On Saturday, January 12, 2013 2:45:38 AM UTC-5, Alec Taylor wrote:
> There have been various threads for MSVC 2010[1][2], but the most
>=20
> recent thing I found for MSVC 2012 was [3]=85 from 6 months ago.
>=20
>=20
>=20
> Basically I want to be able to compile bcrypt=97and yes I should be
>=20
> using Keccak=97x64 binaries on Windows x64.
>=20
>=20
>=20
> There are other packages also which I will benefit from, namely I
>=20
> won't need to use the unofficial setup files and will finally be able
>=20
> to use virtualenv.
>=20
>=20
>=20
> So anyway, can I get an update on the status of MSVC 2010 and MSVC
>=20
> 2012 compatibility?
>=20
>=20
>=20
> Thanks,
>=20
>=20
>=20
> Alec Taylor
>=20
>=20
>=20
> [1] http://bugs.python.org/issue13210
>=20
> [2] http://webcache.googleusercontent.com/search?q=3Dcache:xPaU9mlCBNEJ:w=
iki.python.org/moin/VS2010+&cd=3D1&hl=3Den&ct=3Dclnk
>=20
> [3] https://groups.google.com/d/topic/dev-python/W1RpFhaOIGk

Besides the deep technicality of potential conflicts, two changes will allo=
w you to compile your C extension. msvc9compiler.py is written only looking=
 for VS2010, and even if you have vs2010 installed, it will still fail on W=
indows 7, Windows 8 with silly manifest errors.

The fix is simple:
In: Python27/Lib/distutils/msvc9compiler.py,
line#648 in definition of "link", before the call to "ld_args.append('/MANI=
FESTFILE:' + temp_manifest)",insert:
    ld_args.append('/MANIFEST')

line#178 in the definition of "get_build_version", insert:
    return 11.0