From: Brian Candler <b.candler@...>
Date: 2009-08-12T00:27:17+09:00
Subject: Re: Readline not working with Ruby

Stewart wrote:
> Hey I compiled ruby with readline support. However when i go to IRB i
> just get jibbrish when i press the up arrow on my keyboard.  Any
> suggestions?

You need the readline development libraries installed at the time when 
you run ./configure. If you're under Linux, the package will be called 
something like libreadline5-dev (Ubuntu/Debian) or readline-devel 
(RedHat or other RPM-based distro)

If that's not the problem, then you'll need to be more specific. What OS 
are you on? What version of ruby are you building? What makes you think 
you built readline support successfully? Look through 
ext/readline/mkmf.log to see why the extension wasn't built, and post it 
here if you don't understand it.
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