Re: Tk and Tile with Tk8.5

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From	Albert Schlef <albertschlef@gmail.com>
Newsgroups	comp.lang.ruby
Subject	Re: Tk and Tile with Tk8.5
Date	Tue, 5 Apr 2011 09:13:53 -0500
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Hidetoshi NAGAI wrote in post #990904:
> The following depend on an unofficial feature of ruby's dll loading.
> At present, it will work. But I don't recomment it.
> [...]
> (2) Create loader script "tcltklib.rb" at ruby's library directory
>    (.e.g /usr/lib/ruby/1.8).
>    For example,
>    ----- tcltklib.rb -----------------------------------------
>    ver = ENV['RUBYTK_VERSION']
>    if ver && !ver.empty?
>      require "tcltklib.#{ver}.so"
>    else
>      require "tcltklib.so"
>    end

Hey, that's a nice trick. Thanks!

> The following depend on an unofficial feature of ruby's dll loading.
> At present, it will work. But I don't recomment it.

BTW, what's here isn't an official feature? I do "ri Kernel#require" and 
(I think) it describes everything needed to make this work: Ruby first 
looks for an .rb file (this enables us to inject our loader script), and 
then it's possible to explicitly load a .so (or .dll). So why isn't your 
trick future-proof?

-- 
Posted via http://www.ruby-forum.com/.

Thread

Tk and Tile with Tk8.5 László Földes <foldes.laszlo2@gmail.com> - 2011-04-01 19:45 -0500
  Re: Tk and Tile with Tk8.5 Hidetoshi NAGAI <nagai@ai.kyutech.ac.jp> - 2011-04-01 22:39 -0500
    Re: Tk and Tile with Tk8.5 László Földes <foldes.laszlo2@gmail.com> - 2011-04-02 16:38 -0500
      Re: Tk and Tile with Tk8.5 Hidetoshi NAGAI <nagai@ai.kyutech.ac.jp> - 2011-04-02 18:57 -0500
  Re: Tk and Tile with Tk8.5 Albert Schlef <albertschlef@gmail.com> - 2011-04-02 21:30 -0500
    Re: Tk and Tile with Tk8.5 László Földes <foldes.laszlo2@gmail.com> - 2011-04-03 15:52 -0500
      Re: Tk and Tile with Tk8.5 Albert Schlef <albertschlef@gmail.com> - 2011-04-04 07:57 -0500
        Re: Tk and Tile with Tk8.5 Hidetoshi NAGAI <nagai@ai.kyutech.ac.jp> - 2011-04-04 17:16 -0500
          Re: Tk and Tile with Tk8.5 Albert Schlef <albertschlef@gmail.com> - 2011-04-05 09:13 -0500
            Re: Tk and Tile with Tk8.5 Hidetoshi NAGAI <nagai@ai.kyutech.ac.jp> - 2011-04-05 15:37 -0500

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