{ pkgs, kernel ? pkgs.linux, ... } :
with pkgs;
let
  version = "master";
  kdir="${kernel.dev}/lib/modules/${kernel.modDirVersion}";
in stdenv.mkDerivation {
  inherit version;
  name = "knem-${version}-${kernel.version}";

  # src = fetchurl {
  #   name = "knem-${version}.tar.bz2";
  #   url = "https://gitlab.inria.fr/knem/knem/uploads/4a43e3eb860cda2bbd5bf5c7c04a24b6/knem-1.1.4.tar.gz";
  #   sha256 = "0dq9a41s08alrgggabmlyagmwl95sczmhi36gph5axmfg42kc3lz";
  # };

  src = fetchgit {
    name = "knem-${version}";
    url = "https://gitlab.inria.fr/knem/knem.git";
    sha256 = "sha256-ptjALI2q2AF0tvdxXm4xH+8rXO8qnRwPfWMPITjrKVI=";
  };

  hardeningDisable = [ "fortify" "pic" "stackprotector" ];

  nativeBuildInputs = [ which kmod pkgconf ];

  buildInputs = kernel.moduleBuildDependencies ++ [
    libtool autoconf pkgconf automake hwloc
  ] ;

  preConfigurePhases = "preConfigure";
  preConfigure = ''
    autoupdate
    ./autogen.sh
  '';

  configureFlags = [
    "--with-linux-release=${kernel.modDirVersion}"
    "--with-linux=${kdir}/source"
    "--with-linux-build=${kdir}/build"
  ];

  installPhase = ''
    make install
    rm -rf $out/etc $out/sbin
  '';
}