53 lines
1.6 KiB
Nix
53 lines
1.6 KiB
Nix
{ stdenv, fetchurl, gfortran, perl, liblapack, config }:
|
|
|
|
# Minimum CPU requirements:
|
|
# x86: Pentium 4 (Prescott, circa 2004)
|
|
# x86_64: Opteron (circa 2003)
|
|
# These are the settings used for the generic builds. Performance will
|
|
# be poor on modern systems. The goal of the Hydra builds is simply to
|
|
# support as many systems as possible. OpenBLAS may support older
|
|
# CPU architectures, but you will need to set 'config.openblas.target'
|
|
# and 'config.openblas.preferLocalBuild', which will build it on your
|
|
# local machine.
|
|
|
|
let local = config.openblas.preferLocalBuild or false;
|
|
localTarget = config.openblas.target or "";
|
|
in
|
|
stdenv.mkDerivation rec {
|
|
version = "0.2.13";
|
|
|
|
name = "openblas-${version}";
|
|
src = fetchurl {
|
|
url = "https://github.com/xianyi/OpenBLAS/tarball/v${version}";
|
|
sha256 = "1asg5mix13ipxgj5h2yj2p0r8km1di5jbcjkn5gmhb37nx7qfv6k";
|
|
name = "openblas-${version}.tar.gz";
|
|
};
|
|
|
|
preBuild = "cp ${liblapack.src} lapack-${liblapack.meta.version}.tgz";
|
|
|
|
buildInputs = [gfortran perl];
|
|
|
|
cpu = builtins.head (stdenv.lib.splitString "-" stdenv.system);
|
|
|
|
target = if local then localTarget else
|
|
if cpu == "i686" then "PRESCOTT" else
|
|
if cpu == "x86_64" then "OPTERON" else
|
|
# allow autodetect
|
|
"";
|
|
|
|
makeFlags = [
|
|
"${if target != "" then "TARGET=" else ""}${target}"
|
|
"FC=gfortran"
|
|
"CC=gcc"
|
|
''PREFIX="''$(out)"''
|
|
"INTERFACE64=1"
|
|
];
|
|
|
|
meta = with stdenv.lib; {
|
|
description = "Basic Linear Algebra Subprograms";
|
|
license = licenses.bsd3;
|
|
homepage = "https://github.com/xianyi/OpenBLAS";
|
|
platforms = with platforms; linux;
|
|
maintainers = with maintainers; [ ttuegel ];
|
|
};
|
|
}
|