wxruby users - Oct 2011 - ERROR - libwx_gtk2u_media-2.8.so.0: cannot open shared object file

Hi all,

I''ve been working with wxruby for a while with an Ubuntu 10.04
environment
mounted with VMWare over Windows.

Now, I''m trying to set it up in a new environment. It''s Ubuntu
11.04, using
RVM with both ruby 1.8.7 and 1.9.2 installed.

I installed wxruby and wxruby-ruby19 accordingly within corresponding
gemsets.

Now, when I try to launch an app that works in my old environment I''m
getting this error...

*>.../custom_require.rb:36:in `require'': libwx_gtk2u_media-2.8.so.0:
cannot
open shared object file*

I tried installing the libraries related to wxGTK but they were already
installed and updated...

$sudo apt-get install libwxgtk2.8-dev
>libwxgtk2.8-dev is already the newest version.
$sudo apt-get install libwxgtk2.8-0
>libwxgtk2.8-0 is already the newest version.
How can I solve this?

I don''t know if it helps but I installed both wxruby versions using
''gem
install'' command...

Thanks in advance,
Alex

*ALEJANDRO RIEDEL**
*
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github<https://github.com/alejandroriedel>
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Am 30.10.2011 03:06, schrieb Alejandro Riedel:
> Hi all,
Hi Alejandro,
> Now, I''m trying to set it up in a new environment. It''s
Ubuntu 11.04,
> using RVM with both ruby 1.8.7 and 1.9.2 installed.
> Now, when I try to launch an app that works in my old environment
I''m
> getting this error...
>
> />.../custom_require.rb:36:in `require'':
libwx_gtk2u_media-2.8.so.0:
> cannot open shared object file/
It''s a known problem with Ubuntu Maverick and Natty. They removed the 
media library you''re missing from wxWidgets -- and there''s no
way to
install it separately besides compiling wxWidgets yourself. See this 
bug, which is fixed in Ubuntu Oneiric:

https://bugs.launchpad.net/ubuntu/+source/wxwidgets2.8/+bug/632984

And don''t try to compile wxWidgets yourself, you''ll run
straight into a
bug in pixman which causes wxRuby to crash:

https://bugs.launchpad.net/ubuntu/+source/pixman/+bug/756237
> I tried installing the libraries related towxGTK but they were already
> installed and updated...
>
> $sudo apt-get install libwxgtk2.8-dev
>  >libwxgtk2.8-dev is already the newest version.
> $sudo apt-get install libwxgtk2.8-0
>  >libwxgtk2.8-0 is already the newest version.
>
> How can I solve this?
Upgrade to Oneiric and hope both bugs are gone. As the first one is 
officially marked as "fixed" it should be; the second one *may* be, 
because on my Arch Linux system, which uses pixman 0.22.2, that bug is 
gone as well. But I don''t know wheather that pixman made it into Ubuntu
Oneiric or if the version was published after the feature freeze.

Finally, there has been a lengthy discussion along wxRuby devs and users 
here: http://www.ruby-forum.com/topic/1246679

Vale,
Marvin