From: Massimiliano Mirra - bard <mmirra@...>
Date: 2003-07-17T17:54:19+09:00
Subject: Re: Togl widget, where to install it?

Hidetoshi NAGAI <nagai@ai.kyutech.ac.jp> writes:

> Probably, ToGL library is not loaded to Tk interpreter. 
> ToGL bridge for ruby requires to link the ToGL library to 
> tcltklib (written on the 'README.euc' file). If the library 
> cannot create as a loadable module, 'link to tcltklib' is the 
> only way to use it on Ruby/Tk. But if your Tcl/Tk can load the 
> library by 'package' command, you can use TkPackage module to 
> load the library to Ruby/Tk. Please use TkPackage.require to 
> load the library. If succeed, the library will be loaded and 
> 'togl' command will be defined on the Tk interpreter. After that, 
> togl.rb will work fine. 


Almost there.

    bard@prism:~/workspace/ruby/Togl-1.6$ tclsh
    % package require Togl
    can't find package Togl
    % load togl.so
    couldn't load file "togl.so": togl.so: cannot open shared object 
      file: No such file or directory
    % load ./togl.so
    % package require Togl
    1.6

This means that it is built as a loadable module.  I then copied
togl.so over to /usr/lib and ran:


bard@prism:~/workspace/ruby/Togl-1.6$ irb
irb(main):001:0> require 'tk'
true
irb(main):002:0> TkPackage.require('togl')
RuntimeError: can't find package togl
	from /usr/lib/ruby/1.6/tk.rb:889:in `_invoke'
	from /usr/lib/ruby/1.6/tk.rb:889:in `_invoke'
	from /usr/lib/ruby/1.6/tk.rb:596:in `tk_call'
	from /usr/lib/ruby/1.6/tk.rb:642:in `require'
	from (irb):2
irb(main):003:0> TkPackage.require('Togl')
RuntimeError: can't find package Togl
	from /usr/lib/ruby/1.6/tk.rb:889:in `_invoke'
	from /usr/lib/ruby/1.6/tk.rb:889:in `_invoke'
	from /usr/lib/ruby/1.6/tk.rb:596:in `tk_call'
	from /usr/lib/ruby/1.6/tk.rb:642:in `require'
	from (irb):3
irb(main):004:0> require 'togl'
true
irb(main):005:0> TkPackage.require('togl')
RuntimeError: can't find package togl
	from /usr/lib/ruby/1.6/tk.rb:889:in `_invoke'
	from /usr/lib/ruby/1.6/tk.rb:889:in `_invoke'
	from /usr/lib/ruby/1.6/tk.rb:596:in `tk_call'
	from /usr/lib/ruby/1.6/tk.rb:642:in `require'
	from (irb):5
irb(main):006:0> TkPackage.require('Togl')
RuntimeError: can't find package Togl
	from /usr/lib/ruby/1.6/tk.rb:889:in `_invoke'
	from /usr/lib/ruby/1.6/tk.rb:889:in `_invoke'
	from /usr/lib/ruby/1.6/tk.rb:596:in `tk_call'
	from /usr/lib/ruby/1.6/tk.rb:642:in `require'
	from (irb):6


Can you please tell me where togl.so should be put for
TkPackage.require to find it?  Unfortunately README.euc is of no help
since I cannot read Japanese and I have no experience with Tcl/Tk.
Thank you.


Massimiliano