{stdenv, fetchurl, ocaml, findlib, easy-format}: let pname = "biniou"; version = "1.0.9"; webpage = "http://mjambon.com/${pname}.html"; in stdenv.mkDerivation rec { name = "${pname}-${version}"; src = fetchurl { url = "http://mjambon.com/releases/${pname}/${name}.tar.gz"; sha256 = "14j3hrhbjqxbizr1pr8fcig9dmfzhbjjwzwyc99fcsdic67w8izb"; }; buildInputs = [ ocaml findlib easy-format ]; createFindlibDestdir = true; makeFlags = "PREFIX=$(out)"; preBuild = '' mkdir $out/bin ''; meta = { description = "A binary data format designed for speed, safety, ease of use and backward compatibility as protocols evolve"; homepage = "${webpage}"; license = stdenv.lib.licenses.bsd3; platforms = ocaml.meta.platforms; }; }