841df2cd7a
Upstream began shipping OpenBLAS with LAPACK 3.4.1. This is the version we were using in Nixpkgs anyway, so there is no reason to continue copying the LAPACK sources into the build tree.
66 lines
2.0 KiB
Nix
66 lines
2.0 KiB
Nix
{ stdenv, fetchurl, gfortran, perl, 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 = "0.2.15";
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in
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stdenv.mkDerivation {
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name = "openblas-${version}";
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src = fetchurl {
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url = "https://github.com/xianyi/OpenBLAS/archive/v${version}.tar.gz";
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sha256 = "0i4hrjx622vw5ff35wm6cnga3ic8hcfa88p1wlj24a3qb770mi3k";
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name = "openblas-${version}.tar.gz";
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};
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inherit blas64;
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nativeBuildInputs = optionals stdenv.isDarwin [coreutils] ++ [gfortran perl];
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makeFlags =
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(if local then localFlags else genericFlags)
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++
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optionals stdenv.isDarwin ["MACOSX_DEPLOYMENT_TARGET=10.9"]
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++
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[
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"FC=gfortran"
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# Note that clang is available through the stdenv on OSX and
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# thus is not an explicit dependency.
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"CC=${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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