{ stdenv, fetchurl }: stdenv.mkDerivation rec { name = "peg-0.1.18"; src = fetchurl { url = "${meta.homepage}/${name}.tar.gz"; sha256 = "114h1y4k8fwcq9m0hfk33dsp7ah8zxzjjzlk71x4iirzczfkn690"; }; preBuild="makeFlagsArray+=( PREFIX=$out )"; meta = with stdenv.lib; { homepage = "http://piumarta.com/software/peg/"; description = "Tools for generating recursive-descent parsers: programs that perform pattern matching on text"; platforms = platforms.all; license = licenses.mit; }; }