anchor.diff:            packages.ghc8102Binary
           else
             packages.ghc865Binary;
  -      inherit sphinx;
  +      inherit (buildPackages.python3Packages) sphinx;
         buildTargetLlvmPackages = pkgsBuildTarget.llvmPackages_7;
         llvmPackages = pkgs.llvmPackages_7;
       };
  
positive.code:           packages.ghc8107BinaryMinimal
          else
            packages.ghc8107Binary;
        inherit sphinx;
        # Need to use apple's patched xattr until
        # https://github.com/xattr/xattr/issues/44 and
        # https://github.com/xattr/xattr/issues/55 are solved.
  
negative.code:           packages.ghc8107BinaryMinimal
          else
            packages.ghc8107Binary;
        inherit (buildPackages.python3Packages) sphinx;
        inherit (buildPackages.darwin) autoSignDarwinBinariesHook xattr;
        buildTargetLlvmPackages = pkgsBuildTarget.llvmPackages_12;
        llvmPackages = pkgs.llvmPackages_12;
  