anchor.diff:      touch gnu-efi/inc/ia32/gnu/stubs-32.h
     '';
   
  -  nativeBuildInputs = [ nasm perl python3 makeWrapper ];
  -  buildInputs = [ libuuid ];
  +  nativeBuildInputs = [
  +    nasm
  +    perl
  +    python3
  +    makeWrapper
  +  ];
   
  -  enableParallelBuilding = false; # Fails very rarely with 'No rule to make target: ...'
  +  buildInputs = [
  +    libuuid
  +  ];
  +
  +  # Fails very rarely with 'No rule to make target: ...'
  +  enableParallelBuilding = false;
  +
     hardeningDisable = [ "pic" "stackprotector" "fortify" ];
   
     stripDebugList = [ "bin" "sbin" "share/syslinux/com32" ];
  
positive.code:   meta = with lib; {
      homepage = "http://www.syslinux.org/";
      description = "A lightweight bootloader";
      license = licenses.gpl2;
      maintainers = [ maintainers.samueldr ];
      platforms = [ "i686-linux" "x86_64-linux" ];
    };
  
negative.code: { lib
  , stdenv
  , fetchgit
  , fetchurl
  , libuuid
  , makeWrapper
  , mtools
  , nasm
  , perl
  , python3
  }:
  
  stdenv.mkDerivation {
    pname = "syslinux";
    version = "unstable-2019-02-07";
  
    # This is syslinux-6.04-pre3^1; syslinux-6.04-pre3 fails to run.
    # Same issue here https://www.syslinux.org/archives/2019-February/026330.html
    src = fetchgit {
      url = "https://repo.or.cz/syslinux";
      rev = "b40487005223a78c3bb4c300ef6c436b3f6ec1f7";
      sha256 = "sha256-GqvRTr9mA2yRD0G0CF11x1X0jCgqV4Mh+tvE0/0yjqk=";
      fetchSubmodules = true;
    };
  
    patches = let
      fetchDebianPatch = name: commit: hash:
        fetchurl {
          url = "https://salsa.debian.org/images-team/syslinux/raw/"
                + commit + "/debian/patches/" + name;
          inherit name hash;
        };
      fetchArchlinuxPatch = name: commit: hash:
        fetchurl {
          url = "https://raw.githubusercontent.com/archlinux/svntogit-packages/"
                + commit + "/trunk/" + name;
          inherit name hash;
        };
    in [
      ./gcc10.patch
      (fetchDebianPatch
        "0002-gfxboot-menu-label.patch"
        "fa1349f1"
        "sha256-0f6QhM4lJmGflLige4n7AZTodL7vnyAvi5dIedd/Lho=")
      (fetchArchlinuxPatch
        "0005-gnu-efi-version-compatibility.patch"
        "821c3da473d1399d930d5b4a086e46a4179eaa45"
        "sha256-hhCVnfbAFWj/R4yh60qsMB87ofW9RznarsByhl6L4tc=")
      (fetchArchlinuxPatch
        "0025-reproducible-build.patch"
        "821c3da473d1399d930d5b4a086e46a4179eaa45"
        "sha256-mnb291pCSFvDNxY7o4BosJ94ib3BpOGRQIiY8Q3jZmI=")
      (fetchDebianPatch
        # mbr.bin: too big (452 > 440)
        # https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=906414
        "0016-strip-gnu-property.patch"
        "7468ef0e38c43"
        "sha256-lW+E6THuXlTGvhly0f/D9NwYHhkiKHot2l+bz9Eaxp4=")
      (fetchDebianPatch
        # mbr.bin: too big (452 > 440)
        "0017-single-load-segment.patch"
        "012e1dd312eb"
        "sha256-C6VmdlTs1blMGUHH3OfOlFBZsfpwRn9vWodwqVn8+Cs=")
      (fetchDebianPatch
        "0018-prevent-pow-optimization.patch"
        "26f0e7b2"
        "sha256-dVzXBi/oSV9vYgU85mRFHBKuZdup+1x1BipJX74ED7E=")
    ];
  
    postPatch = ''
  