{ lib, stdenv, fetchurl, m4, fixDarwinDylibNames }: stdenv.mkDerivation rec { pname = "libmilter"; version = "8.17.2"; src = fetchurl { url = "ftp://ftp.sendmail.org/pub/sendmail/sendmail.${version}.tar.gz"; sha256 = "sha256-kPWudMNahICIYZM7oJQgG5AbcMaykDaE3POb2uiloaI="; }; buildPhase = '' mkdir -p $out/lib cd libmilter cat > a.m4 <