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{ lib, stdenv
, fetchFromGitHub
, perl
, python3
# Enable BLAS interface with 64-bit integer width.
, blas64 ? false
# Target architecture. x86_64 builds Intel and AMD kernels.
, withArchitecture ? "x86_64"
# Enable OpenMP-based threading.
, withOpenMP ? true
}:
let
blasIntSize = if blas64 then "64" else "32";
in stdenv.mkDerivation rec {
pname = "blis";
version = "0.9.0";
src = fetchFromGitHub {
owner = "flame";
repo = "blis";
rev = version;
sha256 = "sha256-1aHIdt5wCDrT1hBPnaUVThwjwDkJQ0G0+tao2iFXYpM=";
};
inherit blas64;
nativeBuildInputs = [
perl
python3
];
doCheck = true;
enableParallelBuilding = true;
configureFlags = [
"--enable-cblas"
"--blas-int-size=${blasIntSize}"
] ++ lib.optionals withOpenMP [ "--enable-threading=openmp" ]
++ [ withArchitecture ];
postPatch = ''
patchShebangs configure build/flatten-headers.py
'';
postInstall = ''
ln -s $out/lib/libblis.so.4 $out/lib/libblas.so.3
ln -s $out/lib/libblis.so.4 $out/lib/libcblas.so.3
ln -s $out/lib/libblas.so.3 $out/lib/libblas.so
ln -s $out/lib/libcblas.so.3 $out/lib/libcblas.so
'';
meta = with lib; {
description = "BLAS-compatible linear algebra library";
homepage = "https://github.com/flame/blis";
license = licenses.bsd3;
maintainers = [ ];
platforms = [ "x86_64-linux" ];
};
}
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