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.
Greg
On Wed, Jan 27, 2016 at 1:58 PM, Michael Sarahan
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
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
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
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,
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