{ stdenv, fetchurl, kernel }: let version = "20140928"; in stdenv.mkDerivation { name = "vhba-${version}"; src = fetchurl { url = "mirror://sourceforge/cdemu/vhba-module-${version}.tar.bz2"; sha256 = "18jmpg2kpx87f32b8aprr1pxla9dlhf901rkj1sp3ammf94nxxa5"; }; preBuild = '' makeFlags="KDIR=${kernel.dev}/lib/modules/${kernel.modDirVersion}/build INSTALL_MOD_PATH=$out"; ''; }