{stdenv, fetchurl, unzip, setfile}: stdenv.mkDerivation rec { pname = "muparser"; version = "2.2.3"; url-version = stdenv.lib.replaceChars ["."] ["_"] version; src = fetchurl { url = "mirror://sourceforge/muparser/muparser_v${url-version}.zip"; sha256 = "00l92k231yb49wijzkspa2l58mapn6vh2dlxnlg0pawjjfv33s6z"; }; buildInputs = [ unzip ] ++ stdenv.lib.optionals stdenv.isDarwin [setfile]; meta = { homepage = http://muparser.sourceforge.net; description = "An extensible high performance math expression parser library written in C++"; license = stdenv.lib.licenses.mit; platforms = stdenv.lib.platforms.linux ++ stdenv.lib.platforms.darwin; }; }