man-pages: 6.7 -> 6.8

stdenv.mkDerivation rec {

  pname = "man-pages";

  version = "6.7";

  version = "6.8";

  src = fetchurl {

    url = "mirror://kernel/linux/docs/man-pages/${pname}-${version}.tar.xz";

    hash = "sha256-gkA61LwXqtuST2hji3nWkwssvVUVMSSKepaId52077I=";

    hash = "sha256-ucawpCD4ORSL4EsvwTqFaSMTco1U1HxpyKE4N5Zl0iY=";

  };

  makeFlags = [

    # Clobber /usr/bin/env with the one in PATH.

    "SHELL=env"

    "prefix=${placeholder "out"}"

  ];