{ stdenv, fetchurl, lib, makeWrapper,
  flex,
  gnumake,
  texinfo,
  unzip,
  help2man,
  file,
  gnused,
  which,
  libtool,
  ncurses,
  m4,
  gnugrep,
  coreutils,
  bison,
  binutils-unwrapped,
  bash,
  patch,
  gawk,
  autoconf,
  automake,
  python,
  gcc,
  wget,
  curl,
  withCurl ? false,
  withWget ? true,
}:

stdenv.mkDerivation rec {
  pname = "crosstool-ng";
  version = "1.24.0";

  src = fetchurl {
    url = "http://crosstool-ng.org/download/crosstool-ng/${pname}-${version}.tar.bz2";
    sha256 = "08zmw9j4h1yazbzm000ygs0kxr9h3mrg5cqi5c6wcmi0bvmd206j";
  };

  nativeBuildInputs = [ makeWrapper ];

  buildInputs = [
    flex
    gnumake
    texinfo
    unzip
    help2man
    file
    which
    libtool
    m4
    ncurses
    gnugrep
    bison
    binutils-unwrapped
    bash
    patch
    gawk
    gnused
    gcc
  ] ++ lib.optional withWget wget
  ++ lib.optional withCurl curl;

  configureFlags = [
    # "speeds up one-time build"
    "--disable-dependency-tracking"
  ];

  preConfigure = ''
    export INSTALL="${coreutils}/bin/install"
    export GREP="${gnugrep}/bin/grep"
    export EGREP="${gnugrep}/bin/egrep"
    export SED="${gnused}/bin/sed"
    export YACC="${bison}/bin/bison -y"
    export OBJCOPY="${binutils-unwrapped}/bin/objcopy"
    export OBJDUMP="${binutils-unwrapped}/bin/objdump"
    export READELF="${binutils-unwrapped}/bin/readelf"
    export PATCH="${patch}/bin/patch"
    export BASH_SHELL="${bash}/bin/bash"
    export AWK="${gawk}/bin/gawk"
    export LIBTOOL="${libtool}/bin/libtool"
    export LIBTOOLIZE="${libtool}/bin/libtoolize"
    export AUTOCONF="${autoconf}/bin/autoconf"
    export AUTORECONF="${autoconf}/bin/autoreconf"
    export AUTOMAKE="${automake}/bin/automake"
    export M4="${m4}/bin/m4"
    export PYTHON="${python}/bin/python"
    export BISON="${bison}/bin/bison"
    export AR="${binutils-unwrapped}/bin/ar"
  '';

  postFixup = ''
    wrapProgram "$out/bin/ct-ng" \
                --prefix PATH : "${lib.strings.makeBinPath [ binutils-unwrapped m4 gcc ]}" \
                ${lib.optionalString withWget "--set-default CT_WGET '${wget}/bin/wget'"} \
                ${lib.optionalString withCurl "--set-default CT_CURL '${curl}/bin/curl'"}
  '';

  meta = with stdenv.lib; {
    description = "A versatile (cross-)toolchain generator";
    homepage = "https://crosstool-ng.github.io/";
    license = licenses.gpl2;
  };
}