{ lib, stdenv, fetchurl, m4, fixDarwinDylibNames }: stdenv.mkDerivation rec { pname = "libmilter"; version = "8.15.2"; src = fetchurl { url = "ftp://ftp.sendmail.org/pub/sendmail/sendmail.${version}.tar.gz"; sha256 = "0fdl9ndmspqspdlmghzxlaqk56j3yajk52d7jxcg21b7sxglpy94"; }; buildPhase = '' mkdir -p $out/lib cd libmilter cat > a.m4 <