anchor.diff:        threading models.
       '';
       homepage = https://software.intel.com/en-us/mkl;
  -    license = licenses.issl;
  -    platforms = [ "x86_64-linux" ];
  +    license = [ licenses.issl licenses.unfreeRedistributable ];
  +    platforms = [ "x86_64-linux" "x86_64-darwin" ];
       maintainers = [ maintainers.bhipple ];
     };
   }
  
positive.code: { stdenvNoCC, writeText, fetchurl, rpm, cpio, openmp }:
  
  stdenvNoCC.mkDerivation rec {
    name = "mkl-${version}";
  
negative.code:   date = "2019.0";
    rel = "117";
  
    src = if stdenvNoCC.isDarwin
      then
        (fetchurl {
          url = "http://registrationcenter-download.intel.com/akdlm/irc_nas/tec/13565/m_mkl_${version}.dmg";
          sha256 = "1f1jppac7vqwn00hkws0p4njx38ajh0n25bsjyb5d7jcacwfvm02";
        })
      else
        (fetchurl {
          url = "http://registrationcenter-download.intel.com/akdlm/irc_nas/tec/13575/l_mkl_${version}.tgz";
          sha256 = "1bf7i54iqlf7x7fn8kqwmi06g30sxr6nq3ac0r871i6g0p3y47sf";
        });
  
    buildInputs = if stdenvNoCC.isDarwin then [ undmg ] else [ rpmextract ];
    propagatedBuildInputs = [ openmp ];
  
    buildPhase = if stdenvNoCC.isDarwin then ''
        for f in Contents/Resources/pkg/*.tgz; do
            tar xzvf $f
        done
    '' else ''
      rpmextract rpm/intel-mkl-common-c-${date}-${rel}-${date}-${rel}.noarch.rpm
      rpmextract rpm/intel-mkl-core-rt-${date}-${rel}-${date}-${rel}.x86_64.rpm
    '' ;
  
    installPhase = if stdenvNoCC.isDarwin then ''
        mkdir -p $out/lib
        cp -r compilers_and_libraries_${version}/mac/mkl/include $out/
        cp -r compilers_and_libraries_${version}/mac/mkl/lib/* $out/lib/
        cp -r compilers_and_libraries_${version}/licensing/mkl/en/license.txt $out/lib/
    '' else ''
        mkdir -p $out/lib
        cp -r opt/intel/compilers_and_libraries_${version}/linux/mkl/include $out/
        cp -r opt/intel/compilers_and_libraries_${version}/linux/mkl/lib/intel64_lin/* $out/lib/
        cp license.txt $out/lib/
    '';
  
    # Per license agreement, do not modify the binary
  