binutils: Add lib output

Some packages depend on libbfd. This prevents them from having all of
binutils in their closure (which is 29 MiB).

pkgs/development/tools/misc/binutils/default.nix

@@ -32,9 +32,15 @@ stdenv.mkDerivation rec {
     # This is needed, for instance, so that running "ldd" on a binary that is
     # PaX-marked to disable mprotect doesn't fail with permission denied.
     ./pt-pax-flags.patch
+
+    # Bfd looks in BINDIR/../lib for some plugins that don't
+    # exist. This is pointless (since users can't install plugins
+    # there) and causes a cycle between the lib and bin outputs, so
+    # get rid of it.
+    ./no-plugins.patch
   ];
 
-  outputs = [ "out" "info" ] ++ (optional (cross == null) "dev");
+  outputs = [ "out" "lib" "info" ] ++ (optional (cross == null) "dev");
 
   nativeBuildInputs = [ bison ];
   buildInputs = [ zlib ];