On Wed, Jan 27, 2016 at 3:51 PM, G Young <gfyoun...@gmail.com> wrote:
> I don't need it at this point. I'm just going through the exercise for > purposes of updating building from source on Windows. But that's good to > know though. Thanks! > That effort is much appreciated by the way. Updating the build info on all platforms on http://scipy.org/scipylib/building/index.html is a significant amount of work, and it has never been in a state one could call complete. So more contributions definitely welcome! Ralf > > Greg > > On Wed, Jan 27, 2016 at 2:48 PM, Ralf Gommers <ralf.gomm...@gmail.com> > wrote: > >> >> >> 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 >>> >>> >> >> _______________________________________________ >> 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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