# !!! this should be moved to default.nix eventually (but I delay # doing that since it would cause a rebuild of lots of stuff). {stdenv, fetchurl, yacc, m4}: assert yacc != null && m4 != null; stdenv.mkDerivation { name = "flex-2.5.33"; src = fetchurl { url = mirror://sourceforge/flex/flex-2.5.33.tar.bz2; md5 = "343374a00b38d9e39d1158b71af37150"; }; buildInputs = [yacc]; propagatedBuildInputs = [m4]; meta = { description = "A fast lexical analyser generator"; }; NO_PARALLEL_BUILD_installPhase = 1; }