[Numpy-discussion] Building external c modules with mingw64 / numpy
Ralf Gommers
ralf.gommers at gmail.com
Tue Feb 14 04:59:36 EST 2017
On Sat, Jan 21, 2017 at 9:23 PM, Schnizer, Pierre <
pierre.schnizer at helmholtz-berlin.de> wrote:
> Dear all,
>
>
>
> I built an external c-module (pygsl) using mingw 64 from
> msys2 mingw64-gcc compiler.
>
>
>
> This built required some changes to numpy.distutils to get the
>
> “python setup.py config”
>
> and
>
> “python setup.py build”
>
> working. In this process I replaced 2 files in numpy.distutils from
> numpy git repository:
>
> - numpy.dist_utils.misc_utils.py version ec0e046
> <https://github.com/numpy/numpy/commit/ec0e04694278ef9ea83537d308b07fc27c1b5f85>on
> 14 Dec 2016
>
> - numpy.dist_utils. *mingw32ccompiler.py version *ec0e046
> <https://github.com/numpy/numpy/commit/ec0e04694278ef9ea83537d308b07fc27c1b5f85>on
> 14 Dec 2016
>
>
>
> mingw32ccompiler.py required to be modified to get it work
>
> n preprocessor had to be defined as I am using setup.py config
>
> n specifying the runtime library search path to the linker
>
> n include path of the vcrtruntime
>
>
>
> I attached a patch reflecting the changes I had to make to file
> mingw32ccompile.py
>
> If this information is useful I am happy to answer questions
>
Thanks for the patch Pierre. For future reference: a pull request on GitHub
or a link to a Gist is preferred for us and usually gets you a response
quicker.
Regarding your question in the patch on including Python's install
directory: that shouldn't be necessary, and I'd be wary of applying your
patch without understanding why the current numpy.distutils code doesn't
work for you. But if your patch works for you then it can't hurt I think.
Cheers,
Ralf
>
>
> Sincerely yours
>
> Pierre
>
>
>
> PS Version infos:
>
> Python:
>
> Python 3.6.0 (v3.6.0:41df79263a11, Dec 23 2016, 08:06:12) [MSC v.1900 64
> bit (AMD64)] on win32
>
>
>
> Numpy:
>
> >> help(numpy.version)
>
> Help on module numpy.version in numpy:
>
> DATA
>
> full_version = '1.12.0'
>
> git_revision = '561f1accf861ad8606ea2dd723d2be2b09a2dffa'
>
> release = True
>
> short_version = '1.12.0'
>
> version = '1.12.0'
>
>
>
> gcc.exe (Rev2, Built by MSYS2 project) 6.2.0
>
>
>
>
>
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>
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