args : with args; let localDefs = builderDefs { src = /* put a fetchurl here */ fetchurl { url = http://www.cosc.canterbury.ac.nz/greg.ewing/python/Pyrex/oldtar/Pyrex-0.9.6.tar.gz; sha256 = "1i0mrv2a3ihnj5mjf07aic7nlps9qap57j477m8ajwhhwx9vwlxy"; }; buildInputs = [python]; configureFlags = []; } null; /* null is a terminator for sumArgs */ in with localDefs; stdenv.mkDerivation rec { name = "Pyrex-"+version; builder = writeScript (name + "-builder") (textClosure localDefs [installPythonPackage doForceShare]); meta = { description = " Python package compiler or something like that. "; inherit src; }; }