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uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

Browse source 
https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>
This commit is contained in:
Anton Arapov 2021-04-03 12:58:10 +02:00 • committed by Alan Daniels
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doc/languages-frameworks/cuda.section.md Normal file
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# CUDA {#cuda}
CUDA-only packages are stored in the `cudaPackages` packages set. This set
includes the `cudatoolkit`, portions of the toolkit in separate derivations,
`cudnn`, `cutensor` and `nccl`.
A package set is available for each CUDA version, so for example
`cudaPackages_11_6`. Within each set is a matching version of the above listed
packages. Additionally, other versions of the packages that are packaged and
compatible are available as well. For example, there can be a
`cudaPackages.cudnn_8_3_2` package.
To use one or more CUDA packages in an expression, give the expression a `cudaPackages` parameter, and in case CUDA is optional
```nix
cudaSupport ? false
cudaPackages ? {}
```
When using `callPackage`, you can choose to pass in a different variant, e.g.
when a different version of the toolkit suffices
```nix
mypkg = callPackage { cudaPackages = cudaPackages_11_5; }
```
If another version of say `cudnn` or `cutensor` is needed, you can override the
package set to make it the default. This guarantees you get a consistent package
set.
```nix
mypkg = let
cudaPackages = cudaPackages_11_5.overrideScope' (final: prev {
cudnn = prev.cudnn_8_3_2;
}});
in callPackage { inherit cudaPackages; };
```