{stdenv, fetchurl, zlib, python ? null, pythonSupport ? true }: assert pythonSupport -> python != null; stdenv.mkDerivation { name = "libxml2-2.7.8"; src = fetchurl { url = ftp://xmlsoft.org/libxml2/libxml2-sources-2.7.8.tar.gz; sha256 = "6a33c3a2d18b902cd049e0faa25dd39f9b554a5b09a3bb56ee07dd7938b11c54"; }; 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"; }; }