Mail Archives: cygwin/2006/08/11/11:19:55
On Fri, 11 Aug 2006, Dave Korn wrote:
> On 11 August 2006 15:31, Will Parsons wrote:
>
> > Dave Korn wrote:
> >> On 11 August 2006 14:37, Will Parsons wrote:
> >>
> >>> Starting up irb (interactive Ruby), I get:
> >>>
> >>> $ irb
> >>> /usr/bin/ruby: no such file to load -- ubygems (LoadError)
> >>>
> >>> Did I omit to install something I need here?
> >>
> >> Looks lke you omitted to install the leading letter 'R'.
> >>
> >> <ba-dyum-tissshhh!>
> >
> > Now what package is that in? ;-)
Why, the "r" package, of course. However, it doesn't seem to be on most
mirrors, so those mirrors are probably broken... Don't use them. :-)
> > Seriously, I think I've found the problem - I had an environment
> > variable
> >
> > RUBYOPT=-rubygems
> >
> > Unsetting the variable seems to fix the problem. Apparently, I'd
> > installed a non-Cygwin version of Ruby (which I didn't even remember
> > doing), and this interferes with the Cygwin version.
>
> LOL, this happens so often and with so many languages it deserves an
> acronym.
>
> TCOASSA!
And that would stand for?..
> The missing R is still a clue though.
>
> ---------------------------------------------------<
> dk AT rainbow /artimi/tools/linux> ruby --help
> Usage: ruby [switches] [--] [programfile] [arguments]
> [ ... snip ... ]
> -rlibrary require the library, before executing your script
> ---------------------------------------------------<
>
> So, I dunno if "RUBYOPT=-rrubygems" would work better. Not without
> having rubygems installed, anyway, I don't suppose. Or perhaps it's one
> of those awful puns like "-liberty".
It is, actually, FWICS.
> Hmm. It suggests here:
> http://rubyforge.org/tracker/index.php?func=detail&aid=2497&group_id=126&atid=576
> that it's actually the cygwin package that sets the RUBYOPT variable,
> even though it doesn't come with the rubygems library. If so, that
> would be a packaging issue. OTOH, a quick scan through the package
> listing for cygwin ruby doesn't show any postinstall script that could
> have done that, so I'm not so sure if the report is accurate: I think
> you've probably put your finger on it.
FWIW, a postinstall script cannot set an environment variable -- it would
have to be set in an /etc/profile.d script. But you're right -- ruby
doesn't come with one (and I don't have RUBYOPT set, even though I have
the latest Cygwin ruby installed).
Igor
--
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