On Wed, Jan 27, 2016 at 3:19 PM, G Young <gfyoun...@gmail.com> wrote:
> NumPy will "build" successfully, but then when I type "import numpy", it > cannot import the multiarray PYD file. > > I am using dependency walker, and that's how I know it's the > libopenblas.dll file that it's not linking to properly, hence my original > question. > The support for MingwPy in numpy.distutils had to be temporarily reverted (see https://github.com/numpy/numpy/pull/6536), because the patch caused other issues. So likely it just won't work out of the box now. If you need it, maybe you can reapply that reverted patch. But otherwise I'd wait a little bit; we'll sort out the MingwPy build in the near future. Ralf > Greg > > On Wed, Jan 27, 2016 at 1:58 PM, Michael Sarahan <msara...@gmail.com> > wrote: > >> When you say find/use, can you please clarify whether you have completed >> the compilation/linking successfully? I'm not clear on exactly when you're >> having problems. What is the error output? >> >> One very helpful tool in diagnosing dll problems is dependency walker: >> http://www.dependencywalker.com/ >> >> It may be that your openblas has a dependency that it can't load for some >> reason. Dependency walker works on .pyd files as well as .dll files. >> >> Hth, >> Michael >> >> On Wed, Jan 27, 2016, 07:40 G Young <gfyoun...@gmail.com> wrote: >> >>> I do have my site.cfg file pointing to my library which contains a .lib >>> file along with the appropriate include_dirs parameter. However, NumPy >>> can't seem to find / use the DLL file no matter where I put it (numpy/core, >>> same directory as openblas.lib). By the way, I should mention that I am >>> using a slightly dated version of OpenBLAS (0.2.9), but that shouldn't have >>> any effect I would imagine. >>> >>> Greg >>> >>> On Wed, Jan 27, 2016 at 1:14 PM, Michael Sarahan <msara...@gmail.com> >>> wrote: >>> >>>> I'm not sure about the mingw tool chain, but usually on windows at link >>>> time you need a .lib file, called the import library. The .dll is used at >>>> runtime, not at link time. This is different from *nix, where the .so >>>> serves both purposes. The link you posted mentions import files, so I hope >>>> this is helpful information. >>>> >>>> Best, >>>> Michael >>>> >>>> On Wed, Jan 27, 2016, 03:39 G Young <gfyoun...@gmail.com> wrote: >>>> >>>>> Hello all, >>>>> >>>>> I'm trying to update the documentation for building Numpy from source, >>>>> and I've hit a brick wall in trying to build the library using OpenBLAS >>>>> because I can't seem to link the libopenblas.dll file. I tried following >>>>> the suggestion of placing the DLL in numpy/core as suggested here >>>>> <https://github.com/numpy/numpy/wiki/Mingw-static-toolchain#notes> but >>>>> it still doesn't pick it up. What am I doing wrong? >>>>> >>>>> Thanks, >>>>> >>>>> Greg >>>>> _______________________________________________ >>>>> NumPy-Discussion mailing list >>>>> NumPy-Discussion@scipy.org >>>>> https://mail.scipy.org/mailman/listinfo/numpy-discussion >>>>> >>>> >>>> _______________________________________________ >>>> NumPy-Discussion mailing list >>>> NumPy-Discussion@scipy.org >>>> https://mail.scipy.org/mailman/listinfo/numpy-discussion >>>> >>>> >>> _______________________________________________ >>> NumPy-Discussion mailing list >>> NumPy-Discussion@scipy.org >>> https://mail.scipy.org/mailman/listinfo/numpy-discussion >>> >> >> _______________________________________________ >> NumPy-Discussion mailing list >> NumPy-Discussion@scipy.org >> https://mail.scipy.org/mailman/listinfo/numpy-discussion >> >> > > _______________________________________________ > NumPy-Discussion mailing list > NumPy-Discussion@scipy.org > https://mail.scipy.org/mailman/listinfo/numpy-discussion > >
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