From d8465ff9abf63545262b7d8f88b069522ae82823 Mon Sep 17 00:00:00 2001
From: nagai <nagai@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 6 Jul 2004 09:42:12 +0000
Subject: * ext/tk/lib : improve framework of developping Tcl/Tk extension
 wrappers * BWidget extension support on Ruby/Tk

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@6586 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ext/tcltklib/README.ActiveTcl | 27 +++++++++++++++++----------
 1 file changed, 17 insertions(+), 10 deletions(-)

(limited to 'ext/tcltklib')

diff --git a/ext/tcltklib/README.ActiveTcl b/ext/tcltklib/README.ActiveTcl
index c9cc691973..42dcc72af5 100644
--- a/ext/tcltklib/README.ActiveTcl
+++ b/ext/tcltklib/README.ActiveTcl
@@ -24,16 +24,23 @@ For example, when you install ActiveTcl-8.4.x to '/usr/local/ActiveTcl',
              --enable-tcltk-stubs
 
 It depends on your environment that you have to add the directory of 
-ActiveTcl's dynamic link libraries to your library path when execute 
-Ruby/Tk. 
-
-# For example, on Linux, one of the ways is to use LD_LIBRARY_PATH 
-# environment variable. 
-# 
-#   [bash]$ LD_LIBRARY_PATH=/usr/local/ActiveTcl/lib:$LD_LIBRARY_PATH \
-#           ruby your-Ruby/Tk-script
-#
-#   [bash]$ LD_LIBRARY_PATH=/usr/local/ActiveTcl/lib:$LD_LIBRARY_PATH irb
+ActiveTcl's libraries to your library path when execute Ruby/Tk. 
+One of the way is to add entries to TCLLIBPATH environment variable, 
+and one of the others add to LD_LIBRARY_PATH environment variable
+
+Probably, using TCLLIBPATH is better. The value is appended at the 
+head of Tcl's 'auto_path' variable. You can see the value of the 
+variable by using 'Tk::AUTO_PATH.value' or 'Tk::AUTO_PATH.list'.
+
+For example, on Linux, one of the ways is to use LD_LIBRARY_PATH 
+environment variable. 
+-------------------------------------------------------------------------
+ [bash]$ LD_LIBRARY_PATH=/usr/local/ActiveTcl/lib:$LD_LIBRARY_PATH \
+         ruby your-Ruby/Tk-script
+
+ [bash]$ LD_LIBRARY_PATH=/usr/local/ActiveTcl/lib:$LD_LIBRARY_PATH irb
+-------------------------------------------------------------------------
+Based on it, the Tcl interpreter changes auto_path variable's value.
 
 Then, you'll be able to use Tcl/Tk extension libraries included in the
 ActiveTcl package (e.g. call TkPackage.require('BWidget'), and then,
-- 
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