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{ version
, srcName
, hash ? null
, sha256 ? null
}:
assert (hash != null) || (sha256 != null);
{ stdenv
, lib
, cudatoolkit
, fetchurl
, addOpenGLRunpath
, # The distributed version of CUDNN includes both dynamically liked .so files,
# as well as statically linked .a files. However, CUDNN is quite large
# (multiple gigabytes), so you can save some space in your nix store by
# removing the statically linked libraries if you are not using them.
#
# Setting this to true removes the statically linked .a files.
# Setting this to false keeps these statically linked .a files.
removeStatic ? false
}:
stdenv.mkDerivation {
name = "cudatoolkit-${cudatoolkit.majorVersion}-cudnn-${version}";
inherit version;
src = let
hash_ = if hash != null then { inherit hash; } else { inherit sha256; };
in fetchurl ({
# URL from NVIDIA docker containers: https://gitlab.com/nvidia/cuda/blob/centos7/7.0/runtime/cudnn4/Dockerfile
url = "https://developer.download.nvidia.com/compute/redist/cudnn/v${version}/${srcName}";
} // hash_);
nativeBuildInputs = [ addOpenGLRunpath ];
# Some cuDNN libraries depend on things in cudatoolkit, eg.
# libcudnn_ops_infer.so.8 tries to load libcublas.so.11. So we need to patch
# cudatoolkit into RPATH. See also https://github.com/NixOS/nixpkgs/blob/88a2ad974692a5c3638fcdc2c772e5770f3f7b21/pkgs/development/python-modules/jaxlib/bin.nix#L78-L98.
installPhase = ''
runHook preInstall
function fixRunPath {
p=$(patchelf --print-rpath $1)
patchelf --set-rpath "''${p:+$p:}${lib.makeLibraryPath [ stdenv.cc.cc cudatoolkit.lib ]}:${cudatoolkit}/lib:\$ORIGIN/" $1
}
for lib in lib64/lib*.so; do
fixRunPath $lib
done
mkdir -p $out
cp -a include $out/include
cp -a lib64 $out/lib64
'' + lib.optionalString removeStatic ''
rm -f $out/lib64/*.a
'' + ''
runHook postInstall
'';
# Set RUNPATH so that libcuda in /run/opengl-driver(-32)/lib can be found.
# See the explanation in addOpenGLRunpath.
postFixup = ''
for lib in $out/lib/lib*.so; do
addOpenGLRunpath $lib
done
'';
propagatedBuildInputs = [
cudatoolkit
];
passthru = {
inherit cudatoolkit;
majorVersion = lib.versions.major version;
};
meta = with lib; {
description = "NVIDIA CUDA Deep Neural Network library (cuDNN)";
homepage = "https://developer.nvidia.com/cudnn";
license = licenses.unfree;
platforms = [ "x86_64-linux" ];
maintainers = with maintainers; [ mdaiter ];
};
}
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