From: richard apodaca <rich_apodaca@...>
Date: 2006-07-13T10:28:35+09:00
Subject: irb command history problems under Ruby-1.8.4 and Mandriva 2006

A few months ago problems were reported with irb's
command history when Ruby-1.8.4 was compiled on a
Mandriva 2006 system:

http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/185233

I had exactly the same problem on my Mandiva 2006
system when upgrading to Ruby-1.8.4. I could find no
RPM, so I decided to compile myself. That's when the
fun started.

ruby --version showed 1.8.4 had been installed, but
using the up arrow in irb gave garbage (something like
"[[A").

Previous postings on this list tracked the problem
down to a missing readline-devel library, but I didn't
find any follow-up to indicate installing it actually
fixed the problem

My system had libreadline5 but not readline5-devel.
Using urpmi, I installed it using urpmi. (The output
from ./configure in 1.8.4 gave nothing to indicate
that the presence of libreadline was checked.) I then
ran make-clean, ./configure, make and make install.
Still, I had no command history in irb after launching
a new bash shell.

I've previously compiled a few packages from source
where rpm dependencies were missing. I just installed
the rpm's and was then able to successfully compile
and run the resulting binaries - without rebooting.

Nevertheless, I figured it couldn't hurt to reboot, so
I did. I immediately did make clean, ./configure, make
and make install. At this point the irb command
history worked perfectly.

Unfortunately, I was trying a lot things to try to get
this working - and I wasn't taking notes. So maybe one
of the things I tried but forgot actually did the
trick. The only things I can say are that the irb
command history didn't work until after I rebooted and
the only package I installed was libreadline5-devel.

cheers,
rich

P.S. Although I used urpme to uninstall the Ruby-1.8.2
distribution, I still found ruby files in /usr/bin
(for example, /usr/bin/ruby. Compiling the 1.8.4
source put binaries in /usr/local/bin. Maybe the
problem had something to do with this configuration.

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