[Nix-dev] dlopen and mesa-likes

[Luca Bruno]

Use /run/opengl-driver. It only works in nixos, and after all, it only
makes sense with nixos because of drivers.


On Fri, Aug 8, 2014 at 11:18 PM, Mateusz Kowalczyk <fuuzetsu at fuuzetsu.co.uk>
wrote:

> Hi,
>
> I have some software here that I'm trying to package. At first it all
> went smooth but then it didn't run. It was narrowed down to the use of
> dlopen in the source files. So currently I have something like this.
>
>   preConfigure = ''
>     sed -i "s at libX11.so@${libX11}/lib/libX11.so at g" src/backend/x11.c
>     sed -i "s at libX11-xcb.so@${libX11}/lib/libX11-xcb.so at g"
> src/backend/x11.c
>     sed -i "s at libxcb.so@${libxcb}/lib/libxcb.so at g" src/backend/x11.c
>     #sed -i "s at libEGL.so@${mesa}/lib/libEGL.so at g" src/context/egl.c
>     #sed -i "s at libGLESv2.so@${mesa}/lib/libGLESv2.so at g" src/render/gles2.c
>   '';
>
> Now, the upstream should probably provide configure flags for these
> things and I spoke with the developer already but my problem is
> elsewhere: you'll notice I commented out the last 2 lines. The reason is
> that I'm running nVidia binary blob and I have no idea how to handle it
> from here. Even if there were flags for each of these things to specify
> the path ourselves, what would I pass it? How do I get the path of
> <whatever-user-is-running>/lib/libEGL.so to substitute in? What is the
> correct solution? Even if I wanted a hacky-works-for-me solution for
> now, what would I specify as a dependency if I'm running the blob? There
> is something called nvidia_x11 but that's scoped under the kernel
> modules in all-packages.nix and I can't refer to it and again, that
> would only work for me and not someone running other driver.
>
> There is one other thread about dlopen on NixOS but it does not talk
> about this specific issue. The NixOS manual has a mention of dlopen in
> OpenGL context but mesa is used there: it's only for sake of example there.
>
> Thanks
>
> --
> Mateusz K.
> _______________________________________________
> nix-dev mailing list
> nix-dev at lists.science.uu.nl
> http://lists.science.uu.nl/mailman/listinfo/nix-dev
>



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