[Python-Dev] Compile Python on Windows (OpenSSL)

Brian Curtin brian at python.org
Tue Jan 13 23:10:58 CET 2015

On Tue, Jan 13, 2015 at 4:04 PM, Victor Stinner
<victor.stinner at gmail.com> wrote:
> Hi,
> To compile Python on Windows, there are a few information in the
> Developer Guide:
> https://docs.python.org/devguide/setup.html#windows-compiling
> Python 3.5 now requires Visual Studio 2010 *SP1*, or newer Visual Studio:
> http://bugs.python.org/issue22919#msg233637
> I found PCbuild\readme.txt which is not mentionned in the devguide :-/
> https://hg.python.org/cpython/file/56f717235c45/PCbuild/readme.txt
> (at least not on the Windows section of the setup page)
> I found some clues to build OpenSSL to be able to build the Python ssl
> module, but I still have issues.
> Is there a more complete documentation?
> I found how to install svn.exe, perl.exe and nasm.exe, but not how to
> install nmake.exe. I don't know the command to build OpenSSL.

For nmake, are you running this in a regular Command Prompt or in the
Visual Studio Command Prompt? The latter sets the right environment to
point you to some tools that VS installs, including nmake.

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