{ lib, stdenv, fetchurl }: stdenv.mkDerivation rec { pname = "peg"; version = "0.1.20"; src = fetchurl { url = "${meta.homepage}/${pname}-${version}.tar.gz"; sha256 = "sha256-uLcXvJOll2ijXWUlZ5pODOlOa/ZvkrrPKXnGR0VytFo="; }; preBuild="makeFlagsArray+=( PREFIX=$out )"; meta = with 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; }; }