anchor.diff:        cp -r compilers_and_libraries_${version}/licensing/mkl/en/license.txt $out/lib/
         cp -r compilers_and_libraries_${version}/mac/compiler/lib/* $out/lib/
         cp -r compilers_and_libraries_${version}/mac/mkl/lib/* $out/lib/
  +      cp -r compilers_and_libraries_${version}/mac/tbb/lib/* $out/lib/
     '' else ''
         mkdir -p $out/lib
   
  
positive.code:       cp license.txt $out/lib/
    '';
  
    # Per license agreement, do not modify the binary
    dontStrip = true;
    dontPatchELF = true;
  
    # Since these are unmodified binaries from Intel, they do not depend on stdenv
    # and we can make them fixed-output derivations for cache efficiency.
    outputHashAlgo = "sha256";
    outputHashMode = "recursive";
    outputHash = if stdenvNoCC.isDarwin
      then "0rwm46v9amq2clm6wxhr98zzbafr485dz05pihlqsbrbabmlfw30"
      else "101krzh2mjbfx8kvxim2zphdvgg7iijhbf9xdz3ad3ncgybxbdvw";
  
    meta = with stdenvNoCC.lib; {
      description = "Intel Math Kernel Library";
  
negative.code:     platforms = [ "x86_64-linux" "x86_64-darwin" ];
      maintainers = [ maintainers.bhipple ];
    };
   } // stdenvNoCC.lib.optionalAttrs stdenvNoCC.isLinux {
    # Since on Linux binaries are unmodified, we can make them
    # fixed-output derivations.
  	outputHashAlgo = "sha256";
  	outputHashMode = "recursive";
  	outputHash = "101krzh2mjbfx8kvxim2zphdvgg7iijhbf9xdz3ad3ncgybxbdvw";
   })
  