diff -Nru hedgewars-0.9.17/debian/changelog hedgewars-0.9.17/debian/changelog
--- hedgewars-0.9.17/debian/changelog	2011-11-20 06:39:12.000000000 -0800
+++ hedgewars-0.9.17/debian/changelog	2011-11-22 04:49:51.000000000 -0800
@@ -1,3 +1,16 @@
+hedgewars (0.9.17-1~natty0.1) natty-proposed; urgency=low
+
+  * Backport 0.9.17-1 to Natty to fix network play (LP: #852603):
+    - debian/patches/dont-use-text-bytestring-show.patch: Replace showB
+      server function with one that doesn't require
+      libghc-bytestring-show-dev, which wasn't available in Natty.
+    - Drop libghc-bytestring-show-dev build-dependency.
+    - Add 6's to get libghc6-deepseq-dev, libghc6-utf8-string-dev
+      build-dependencies
+    - Change libghc6-network-dev build-dependency to libghc6-network-bytestring-dev
+
+ -- Evan Broder <evan@ebroder.net>  Tue, 22 Nov 2011 04:49:51 -0800
+
 hedgewars (0.9.17-1) unstable; urgency=low
 
   * [Paul Wise]
diff -Nru hedgewars-0.9.17/debian/control hedgewars-0.9.17/debian/control
--- hedgewars-0.9.17/debian/control	2011-11-20 06:25:05.000000000 -0800
+++ hedgewars-0.9.17/debian/control	2011-11-22 03:44:00.000000000 -0800
@@ -1,7 +1,8 @@
 Source: hedgewars
 Section: games
 Priority: extra
-Maintainer: Dmitry E. Oboukhov <unera@debian.org>
+Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
+XSBC-Original-Maintainer: Dmitry E. Oboukhov <unera@debian.org>
 Uploaders: Debian Games Team <pkg-games-devel@lists.alioth.debian.org>
 Build-Depends: debhelper (>= 7), cmake, cdbs,
  libqt4-dev (>= 4.2),
@@ -15,14 +16,13 @@
  fp-units-gfx,
  ghc6,
  libghc6-stm-dev,
- libghc6-network-dev,
+ libghc6-network-bytestring-dev,
  libghc6-dataenc-dev,
  libghc6-hslogger-dev,
- libghc-utf8-string-dev,
+ libghc6-utf8-string-dev,
  liblua5.1-dev,
  imagemagick,
- libghc-bytestring-show-dev,
- libghc-deepseq-dev
+ libghc6-deepseq-dev
 Standards-Version: 3.9.2
 Homepage: http://hedgewars.org
 VCS-Browser: http://git.debian.org/?p=collab-maint/hedgewars.git;a=summary
diff -Nru hedgewars-0.9.17/debian/patches/dont-use-text-bytestring-show.patch hedgewars-0.9.17/debian/patches/dont-use-text-bytestring-show.patch
--- hedgewars-0.9.17/debian/patches/dont-use-text-bytestring-show.patch	1969-12-31 16:00:00.000000000 -0800
+++ hedgewars-0.9.17/debian/patches/dont-use-text-bytestring-show.patch	2011-11-22 04:48:52.000000000 -0800
@@ -0,0 +1,34 @@
+Description: Don't use Text.ByteString.Show in the server
+ The showB function in Utils.hs is intended to render an arbitrary
+ value to a strict ByteString, but it used Text.Show.ByteString, which
+ wasn't available before Ubuntu 11.10 (Oneiric).
+ .
+ This patch replaces the implementation of showB with one which does
+ not require Text.Show.ByteString and instead relies on instances of
+ the Show class being a superset of the instances of the
+ Text.Show.ByteString.Show class.
+Forwarded: not-needed
+Author: Evan Broder <evan@ebroder.net>
+Last-Update: 2011-11-22
+
+--- hedgewars-0.9.17.orig/gameServer/Utils.hs
++++ hedgewars-0.9.17/gameServer/Utils.hs
+@@ -13,7 +13,6 @@ import qualified Data.List as List
+ import Control.Monad
+ import qualified Codec.Binary.Base64 as Base64
+ import qualified Data.ByteString.Lazy as BL
+-import qualified Text.Show.ByteString as BS
+ import qualified Data.ByteString.Char8 as B
+ import qualified Data.ByteString.UTF8 as UTF8
+ import qualified Data.ByteString as BW
+@@ -105,8 +104,8 @@ unfoldrE f b  =
+         Right (a, new_b) -> let (a', b') = unfoldrE f new_b in (a : a', b')
+         Left new_b       -> ([], new_b)
+ 
+-showB :: (BS.Show a) => a -> B.ByteString
+-showB = B.concat . BL.toChunks . BS.show
++showB :: (Show a) => a -> B.ByteString
++showB = read . show
+ 
+ readInt_ :: (Num a) => B.ByteString -> a
+ readInt_ str =
diff -Nru hedgewars-0.9.17/debian/patches/series hedgewars-0.9.17/debian/patches/series
--- hedgewars-0.9.17/debian/patches/series	1969-12-31 16:00:00.000000000 -0800
+++ hedgewars-0.9.17/debian/patches/series	2011-11-22 04:43:30.000000000 -0800
@@ -0,0 +1 @@
+dont-use-text-bytestring-show.patch