{ stdenv, fetchurl, ruby, opencl-headers }: let version = "2.2.9"; in stdenv.mkDerivation { name = "opencl-icd-${version}"; buildInputs = [ ruby opencl-headers ]; configureFlags = [ "--enable-official-khronos-headers" ]; src = fetchurl { url = "https://forge.imag.fr/frs/download.php/716/ocl-icd-${version}.tar.gz"; sha256 = "1rgaixwnxmrq2aq4kcdvs0yx7i6krakarya9vqs7qwsv5hzc32hc"; }; }