* Add readline 4 (in addition to readline 5).

svn path=/nixpkgs/trunk/; revision=3990

pkgs/development/libraries/readline/readline4.nix

@@ -0,0 +1,11 @@
+{ stdenv, fetchurl, ncurses }:
+
+stdenv.mkDerivation {
+  name = "readline-4.3";
+  src = fetchurl {
+    url = http://ftp.gnu.org/pub/gnu/readline/readline-4.3.tar.gz;
+    md5 = "f86f7cb717ab321fe15f1bbcb058c11e";
+  };
+  inherit ncurses;
+  buildInputs = [ncurses];
+}

pkgs/development/libraries/readline/readline5.nix

@@ -2,7 +2,6 @@
 
 stdenv.mkDerivation {
   name = "readline-5.0";
-  builder = ./builder.sh;
   src = fetchurl {
     url = http://nix.cs.uu.nl/dist/tarballs/readline-5.0.tar.gz;
     md5 = "9a39d15f1ed592883f8c6671e8c13120";

pkgs/system/all-packages-generic.nix

@@ -1147,10 +1147,16 @@ rec {
     inherit (gtkLibs) glib gtk;
   };
   
-  readline = (import ../development/libraries/readline) {
+  readline4 = (import ../development/libraries/readline/readline4.nix) {
     inherit fetchurl stdenv ncurses;
   };
 
+  readline5 = (import ../development/libraries/readline/readline5.nix) {
+    inherit fetchurl stdenv ncurses;
+  };
+
+  readline = readline5;
+
   SDL = (import ../development/libraries/SDL) {
     inherit fetchurl stdenv x11;
   };