forked from mirrors/nixpkgs
54 lines
1.6 KiB
Nix
54 lines
1.6 KiB
Nix
{ stdenv, fetchurl, gfortran, perl, liblapack, config }:
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# Minimum CPU requirements:
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# x86: Pentium 4 (Prescott, circa 2004)
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# x86_64: Opteron (circa 2003)
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# These are the settings used for the generic builds. Performance will
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# be poor on modern systems. The goal of the Hydra builds is simply to
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# support as many systems as possible. OpenBLAS may support older
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# CPU architectures, but you will need to set 'config.openblas.target'
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# and 'config.openblas.preferLocalBuild', which will build it on your
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# local machine.
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let local = config.openblas.preferLocalBuild or false;
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localTarget = config.openblas.target or "";
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in
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stdenv.mkDerivation rec {
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version = "0.2.13";
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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 = "1asg5mix13ipxgj5h2yj2p0r8km1di5jbcjkn5gmhb37nx7qfv6k";
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name = "openblas-${version}.tar.gz";
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};
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preBuild = "cp ${liblapack.src} lapack-${liblapack.meta.version}.tgz";
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buildInputs = [gfortran perl];
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cpu = builtins.head (stdenv.lib.splitString "-" stdenv.system);
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target = if local then localTarget else
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if cpu == "i686" then "PRESCOTT" else
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if cpu == "x86_64" then "OPTERON" else
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# allow autodetect
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"";
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makeFlags = [
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"${if target != "" then "TARGET=" else ""}${target}"
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"FC=gfortran"
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"CC=gcc"
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''PREFIX="''$(out)"''
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"INTERFACE64=1"
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];
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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; linux;
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maintainers = with maintainers; [ ttuegel ];
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};
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}
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