rPackages.methylKit: fix build

      RGL_USE_NULL = "true";

    });

    methylKit = old.methylKit.overrideAttrs (attrs: {

      # resolve missing function from data.table

      patches = [

        (pkgs.fetchpatch {

          url = "https://github.com/al2na/methylKit/commit/5c30347630bc064d7aefc918923f723671f35253.patch";

          sha256 = "sha256-hwtybBmSYwVInMIEZ7i7zudJWjiRJmrD0/tU7v78pPc=";

        })

      ];

    });

    Rrdrand = old.Rrdrand.override { platforms = lib.platforms.x86_64 ++ lib.platforms.x86; };

    symengine = old.symengine.overrideAttrs (_: {