{
  lib,
  stdenv,
  fetchFromGitHub,
  buildPackages,
  which,
  texi2html,
  enableX11 ? true,
  libx11,
  libxext,
  libxv,
  libpng,
}:

stdenv.mkDerivation {
  pname = "qemacs";
  version = "6.3.2";

  src = fetchFromGitHub {
    owner = "qemacs";
    repo = "qemacs";
    rev = "0e90c181078f3d85d0d44d985d541184223668e1";
    hash = "sha256-3kq89CoUi9ocR0q2SqYF8S/xNgBpInC4f2d/dJg/nEM=";
  };

  postPatch = ''
    substituteInPlace Makefile --replace \
      '$(INSTALL) -m 755 -s' \
      '$(INSTALL) -m 755 -s --strip-program=${stdenv.cc.targetPrefix}strip'
  '';

  nativeBuildInputs = [
    which
    texi2html
  ];
  buildInputs = lib.optionals enableX11 [
    libpng
    libx11
    libxext
    libxv
  ];

  enableParallelBuilding = true;

  configureFlags = [
    "--cross-prefix=${stdenv.cc.targetPrefix}"
  ]
  ++ lib.optionals (!enableX11) [
    "--disable-x11"
  ];

  makeFlags = [
    # is actually used as BUILD_CC
    "HOST_CC=${buildPackages.stdenv.cc}/bin/cc"
    "CC=${stdenv.cc.targetPrefix}cc"
  ];

  preInstall = ''
    mkdir -p $out/bin $out/man
  '';

  meta = {
    homepage = "https://bellard.org/qemacs/";
    description = "Very small but powerful UNIX editor";
    license = lib.licenses.mit;
    maintainers = with lib.maintainers; [ iblech ];
  };
}