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68 lines
2 KiB
Nix
68 lines
2 KiB
Nix
{ stdenv, fetchurl, gfortran, perl, liblapack, config, coreutils
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# Most packages depending on openblas expect integer width to match pointer width,
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# but some expect to use 32-bit integers always (for compatibility with reference BLAS).
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, blas64 ? null
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}:
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with stdenv.lib;
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let blas64_ = blas64; in
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let local = config.openblas.preferLocalBuild or false;
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binary =
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{ i686-linux = "32";
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x86_64-linux = "64";
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x86_64-darwin = "64";
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}."${stdenv.system}" or (throw "unsupported system: ${stdenv.system}");
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genericFlags =
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[ "DYNAMIC_ARCH=1"
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"NUM_THREADS=64"
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];
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localFlags = config.openblas.flags or
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optionals (hasAttr "target" config.openblas) [ "TARGET=${config.openblas.target}" ];
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blas64 = if blas64_ != null then blas64_ else hasPrefix "x86_64" stdenv.system;
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version = "0.2.14";
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in
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stdenv.mkDerivation {
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name = "openblas-${version}";
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src = fetchurl {
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url = "https://github.com/xianyi/OpenBLAS/tarball/v${version}";
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sha256 = "0av3pd96j8rx5i65f652xv9wqfkaqn0w4ma1gvbyz73i6j2hi9db";
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name = "openblas-${version}.tar.gz";
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};
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inherit blas64;
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preBuild = "cp ${liblapack.src} lapack-${liblapack.meta.version}.tgz";
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nativeBuildInputs = optionals stdenv.isDarwin [coreutils] ++ [gfortran perl];
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makeFlags =
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(if local then localFlags else genericFlags)
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++
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optionals stdenv.isDarwin ["MACOSX_DEPLOYMENT_TARGET=10.9"]
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++
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[
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"FC=gfortran"
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# Note that clang is available through the stdenv on OSX and
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# thus is not an explicit dependency.
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"CC=${if stdenv.isDarwin then "clang" else "gcc"}"
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''PREFIX="''$(out)"''
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"BINARY=${binary}"
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"USE_OPENMP=${if stdenv.isDarwin then "0" else "1"}"
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"INTERFACE64=${if blas64 then "1" else "0"}"
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];
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doCheck = true;
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checkTarget = "tests";
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meta = with stdenv.lib; {
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description = "Basic Linear Algebra Subprograms";
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license = licenses.bsd3;
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homepage = "https://github.com/xianyi/OpenBLAS";
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platforms = with platforms; unix;
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maintainers = with maintainers; [ ttuegel ];
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};
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}
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