{ stdenv, fetchFromGitHub, kernel, perl, autoconf, automake, libtool, coreutils, gawk }:

stdenv.mkDerivation rec {
  name = "spl-${version}-${kernel.version}";
  version = "0.6.3-1.2";

  src = fetchFromGitHub {
    owner = "zfsonlinux";
    repo = "spl";
    rev = "spl-${version}";
    sha256 = "0id0m3sfpkz8w7b2pc51px8kvz8xnaf8msps57ddarxidmxvb45g";
  };

  patches = [ ./install_prefix.patch ./const.patch ./time.patch ];

  buildInputs = [ perl autoconf automake libtool ];

  preConfigure = ''
    ./autogen.sh

    substituteInPlace ./module/spl/spl-generic.c --replace /usr/bin/hostid hostid
    substituteInPlace ./module/spl/spl-module.c  --replace /bin/mknod mknod

    substituteInPlace ./module/spl/spl-generic.c --replace "PATH=/sbin:/usr/sbin:/bin:/usr/bin" "PATH=${coreutils}:${gawk}:/bin"
    substituteInPlace ./module/splat/splat-vnode.c --replace "PATH=/sbin:/usr/sbin:/bin:/usr/bin" "PATH=${coreutils}:/bin"
    substituteInPlace ./module/splat/splat-linux.c --replace "PATH=/sbin:/usr/sbin:/bin:/usr/bin" "PATH=${coreutils}:/bin"
  '';

  configureFlags = ''
     --with-linux=${kernel.dev}/lib/modules/${kernel.modDirVersion}/source
     --with-linux-obj=${kernel.dev}/lib/modules/${kernel.modDirVersion}/build
  '';

  enableParallelBuilding = true;

  meta = {
    description = "Kernel module driver for solaris porting layer (needed by in-kernel zfs)";

    longDescription = ''
      This kernel module is a porting layer for ZFS to work inside the linux
      kernel.
    '';

    homepage = http://zfsonlinux.org/;
    platforms = stdenv.lib.platforms.linux;
    license = stdenv.lib.licenses.gpl2Plus;
    maintainers = with stdenv.lib.maintainers; [ jcumming wizeman ];
  };
}