anchor.diff:      description = "Basic Linear Algebra Subprograms";
       license = licenses.bsd3;
       homepage = "https://github.com/xianyi/OpenBLAS";
  -    platforms = with platforms; linux;
  +    platforms = with platforms; all;
       maintainers = with maintainers; [ ttuegel ];
     };
   }
  
positive.code: 
    preBuild = "cp ${liblapack.src} lapack-${liblapack.meta.version}.tgz";
  
    nativeBuildInputs = [gfortran perl];
  
    makeFlags =
      (if local then localFlags else genericFlags)
      ++
      [
        "FC=gfortran"
        "CC=gcc"
        ''PREFIX="''$(out)"''
        "INTERFACE64=1"
      ];
  
negative.code: { stdenv, fetchurl, gfortran, perl, liblapack, config, coreutils, clang }:
  
  with stdenv.lib;
  
  