Tk version number is now 8.5 but at several places TK_LIBRARY is set "${tk}/lib/tk8.4". As for Python, tk.libPrefix is introduced to match "tk8.5".

contributed by David Guibert
Signed-off-by: David Guibert <david.guibert@gmail.com>

svn path=/nixpkgs/trunk/; revision=22041

pkgs/development/libraries/tk/default.nix

@@ -19,4 +19,8 @@ stdenv.mkDerivation {
   buildInputs = [tcl x11];
   
   inherit tcl;
+
+  passthru = {
+    libPrefix = "tk8.5";
+  };
 }