From: Hidetoshi NAGAI <nagai@...>
Date: 2012-05-17T18:58:38+09:00
Subject: Re: problem installing TkRuby on ubuntu 12.04

From: Bharadwaj Srigiriraju <lists@ruby-forum.com>
Subject: problem installing TkRuby on ubuntu 12.04
Date: Wed, 16 May 2012 20:10:46 +0900
Message-ID: <898f4a715a8fae0005d32de3bd4dff38@ruby-forum.com>
> Now, in the irb, when I require 'tk'
> 
> it says:
> 
> RuntimeError: tcltklib: fail to Tk_Init(). Can't find a usable tk.tcl in
> the following directories:
>     /usr/share/tcltk/tcl8.5/tk8.5 /usr/lib/tk8.5
> /usr/local/lib/tcltk/tk8.5 /usr/local/share/tcltk/tk8.5
> /usr/lib/tcltk/tk8.5 /usr/share/tcltk/tk8.5 /lib/tk8.5 /usr/library
> 
> /usr/share/tcltk/tk8.5/tk.tcl: version conflict for package "Tk": have
> 8.5.10, need exactly 8.5.11
> version conflict for package "Tk": have 8.5.10, need exactly 8.5.11
>     while executing
> "package require -exact Tk  8.5.11"
>     (file "/usr/share/tcltk/tk8.5/tk.tcl" line 18)
>     invoked from within
> "source /usr/share/tcltk/tk8.5/tk.tcl"
>     ("uplevel" body line 1)
>     invoked from within
> "uplevel #0 [list source $file]"

Maybe, it is an install trouble on your Tcl/Tk.
Does wish8.5 run properly? If not, please ask it at Ubuntu community.
Else, do you have multi-versions of libtk8.5.so on your machine?
If so, please check dependency of the old version of Tcl/Tk library
and remove (should test by rename, first) the old one.
-- 
Hidetoshi NAGAI (nagai@ai.kyutech.ac.jp)
Department of Artificial Intelligence, Kyushu Institute of Technology