nixpkgs/pkgs/os-specific/linux/intel-ocl/default.nix

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{ stdenv, fetchzip, rpmextract, ncurses5, numactl, zlib }:
stdenv.mkDerivation rec {
version = "r4.0-59481";
name = "intel-ocl-${version}";
src = fetchzip {
url = "https://software.intel.com/sites/default/files/managed/48/96/SRB4_linux64.zip";
sha256 = "1q69g28i6l7p13hnsk82g2qhdf2chwh4f0wvzac6xml67hna3v34";
stripRoot = false;
};
buildInputs = [ rpmextract ];
sourceRoot = ".";
libPath = stdenv.lib.makeLibraryPath [
stdenv.cc.cc.lib
ncurses5
numactl
zlib
];
postUnpack = ''
# Extract the RPMs contained within the source ZIP.
rpmextract SRB4_linux64.zip/intel-opencl-${version}.x86_64.rpm
rpmextract SRB4_linux64.zip/intel-opencl-cpu-${version}.x86_64.rpm
'';
patchPhase = ''
runHook prePatch
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# Remove libOpenCL.so, since we use ocl-icd's libOpenCL.so instead and this would cause a clash.
rm opt/intel/opencl/libOpenCL.so*
# Patch shared libraries.
for lib in opt/intel/opencl/*.so; do
patchelf --set-rpath "${libPath}:$out/lib/intel-ocl" $lib || true
done
runHook postPatch
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'';
buildPhase = ''
runHook preBuild
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# Create ICD file, which just contains the path of the corresponding shared library.
echo "$out/lib/intel-ocl/libintelocl.so" > intel.icd
runHook postBuild
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'';
installPhase = ''
runHook preInstall
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install -D -m 0755 opt/intel/opencl/*.so* -t $out/lib/intel-ocl
install -D -m 0644 opt/intel/opencl/*.{o,rtl,bin} -t $out/lib/intel-ocl
install -D -m 0644 opt/intel/opencl/{LICENSE,NOTICES} -t $out/share/doc/intel-ocl
install -D -m 0644 intel.icd -t $out/etc/OpenCL/vendors
runHook postInstall
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'';
dontStrip = true;
meta = {
description = "Official OpenCL runtime for Intel CPUs";
homepage = https://software.intel.com/en-us/articles/opencl-drivers;
license = stdenv.lib.licenses.unfree;
platforms = [ "x86_64-linux" ];
maintainers = [ stdenv.lib.maintainers.kierdavis ];
};
}