{stdenv, fetchurl}: stdenv.mkDerivation { name = "muparser-1.34"; src = fetchurl { url = mirror://sourceforge/muparser/muparser_v134.tar.gz; sha256 = "0xi27xjj7bwwf5nw3n2lynpr76al3vp204zwh71wkfnhwbzksg8f"; }; meta = { homepage = http://muparser.sourceforge.net; description = "An extensible high performance math expression parser library written in C++"; license = "MIT"; }; }