anchor.diff:  
   with stdenv.lib;
   
  -stdenv.mkDerivation rec {
  +let
  +  mktable = buildPackages.stdenv.mkDerivation rec {
  +    name = "w3m-mktable";
  +    inherit (w3m) src;
  +    nativeBuildInputs = [ pkgconfig boehmgc ];
  +    makeFlags = [ "mktable" ];
  +    installPhase = ''
  +      install -D mktable $out/bin/mktable
  +    '';
  +  };
  +in stdenv.mkDerivation rec {
     name = "w3m-0.5.3+git20180125";
   
     src = fetchFromGitHub {
  
positive.code:   PERL = "${perl}/bin/perl";
    MAN = "${man}/bin/man";
  
    patches = [
      ./RAND_egd.libressl.patch
      (fetchpatch {
  
negative.code: , graphicsSupport ? true, imlib2 ? null
  , x11Support ? graphicsSupport, libX11 ? null
  , mouseSupport ? !stdenv.isDarwin, gpm-ncurses ? null
  , perl, man, pkgconfig, buildPackages, w3m
  }:
  
  assert sslSupport -> openssl != null;
  