Bug#624639: iceweasel: 4.0.1, vertical gradients do not work with debian build

[Mike Hommey]

On Sat, Apr 30, 2011 at 11:08:00AM +0200, Antonio Ospite wrote:
> Package: iceweasel
> Version: 4.0.1-1
> Severity: normal
> 
> Hi,
> 
> I installed iceweasel_4.0.1-1 from experimental with this pinning
> configuration:
> 
> Package: *
> Pin: release a=unstable
> Pin-Priority: 900
> 
> Package: *
> Pin: release a=experimental
> Pin-Priority: 600
> 
> and noticed that vertical gradients are not rendered correctly with the
> Iceweasel 4.0.1 binary distributed by Debian, I verified they do work
> with the Firefox binary provided by the upstream at
> http://www.mozilla.com/it/firefox/
> 
> Is this because I need to get some other dependency from experimental?
> 
> This can be reproduced by visiting one of these sites:
> http://www.the-art-of-web.com/css/linear-gradients/
> http://www.dynamicdrive.com/style/csslibrary/item/css3_linear_gradients/

The only thing I can think of that could explain the difference is
cairo. If you have some time and disk space, would you be willing to try
to rebuild iceweasel 4.0.1-1 locally, changing the
debian/xulrunner.mozconfig file to remove the --enable-system-cairo
line?

> I did the tests with -safe-mode activated, running iceweasel from the
> console and no messages were printed there.
> 
> Side note: this also affects some elements in the UI, for instance the
> tabs will look white-ish because they loose the gradients as specified
> in the style referenced by chrome://browser/content/browser.xul

That part would look like bug 616353.

Mike