Missing dependencies xulrunner-2.0 and libcairo2 for iceweasel4

[Dayo Adewunmi]

Hi

Following the instructions from http://mozilla.debian.net/ I can't seem 
to backport iceweasel4 to CrunchBang Statler, which is based on Squeeze.



# apt-get install -t squeeze-backports iceweasel
Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
  iceweasel : Depends: xulrunner-2.0 (>= 2.0.1) but it is not going to 
be installed
E: Broken packages

So I try backporting xulrunner-2.0:

# apt-get install -t squeeze-backports xulrunner-2.0
Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
  xulrunner-2.0 : Depends: libcairo2 (>= 1.10.2-1.1~bpo60+1) but 
1.8.10-6 is to be installed
E: Broken packages


Then I try backporting libcairo2:

# apt-get install -t squeeze-backports libcairo2
Reading package lists... Done
Building dependency tree
Reading state information... Done
libcairo2 is already the newest version.
0 upgraded, 0 newly installed, 0 to remove and 12 not upgraded.

And aptitude show libcairo2:

# aptitude show libcairo2
Package: libcairo2
State: installed

Forbidden version: 1.8.10-5
Automatically installed: no
Version: 1.8.10-6
Priority: optional
Section: libs
Maintainer: Dave Beckett <dajobe at debian.org>
Uncompressed Size: 831 k
Depends: libc6 (>= 2.3), libfontconfig1 (>= 2.8.0), libfreetype6 (>= 
2.3.5), libpixman-1-0 (>= 0.15.16),
          libpng12-0 (>= 1.2.13-4), libx11-6, libxcb-render-util0 (>= 
0.3.6), libxcb-render0, libxcb1,
          libxrender1, zlib1g (>= 1:1.1.4)
Breaks: iceape-browser (<= 2.0.3-3), libgtk-directfb-2.0-0, 
xulrunner-1.9, xulrunner-1.9.1 (<= 1.9.1.8-3)
Description: The Cairo 2D vector graphics library
  Cairo is a multi-platform library providing anti-aliased vector-based 
rendering for multiple target backends.
  Paths consist of line segments and cubic splines and can be rendered 
at any width with various join and cap
  styles. All colors may be specified with optional translucence 
(opacity/alpha) and combined using the extended
  Porter/Duff compositing algebra as found in the X Render Extension.

  Cairo exports a stateful rendering API similar in spirit to the path 
construction, text, and painting operators
  of PostScript, (with the significant addition of translucence in the 
imaging model). When complete, the API is
  intended to support the complete imaging model of PDF 1.4.

  This package contains the shared libraries.
Homepage: http://cairographics.org/

How do I resolve these issues and get iceweasel4 installed?

Best regards

Dayo