{stdenv, fetchurl, zlib, python ? null, pythonSupport ? true}: assert pythonSupport -> python != null; stdenv.mkDerivation { name = "libxml2-2.7.6"; src = fetchurl { url = ftp://xmlsoft.org/libxml2/libxml2-sources-2.7.6.tar.gz; sha256 = "0n61rqqfiv0m64p01cwx205i6hb0mmzf7r0ya40s4fiqd2nhkkg0"; }; configureFlags = '' ${if pythonSupport then "--with-python=${python}" else ""} ''; propagatedBuildInputs = [zlib]; setupHook = ./setup-hook.sh; passthru = {inherit pythonSupport;}; meta = { homepage = http://xmlsoft.org/; description = "A XML parsing library for C"; license = "bsd"; }; }