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From: Ludovic Brenta <ludovic@ludovic-brenta.org>
Newsgroups: comp.lang.ada
Subject: Re: How to fix 'Could not locate executable on path: gnatmake'
Date: Sat, 08 May 2010 21:55:34 +0200
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resander <kresander@yahoo.com> writes:
> Yesterday afternoon I installed into /usr/local and found that GPS
> could be invoked from the GUI menu on Ubuntu 10.04. I then closed the
> system.
> This morning (Saturday) I found that about half the functions on the
> Ubuntu menu had stopped working, for example all items on the Places
> menu (generally file and directory inspection functions), Software
> Sources, Synaptic Manager, Update Manager, system Monitor and more. I
> invoked some of these from the command line and always got error
> 'cannot find libstdc.6.so version so-and-so in usr/local/lib'.
> Even the apt functions got clobbered by the same condition, so I had
> no way of reinstalling any package. Had to reinstall Ubuntu 10.04.
> The install of GNAT GPL into a /usr/local that I did as last thing
> yesterday is a likely culprit. but I am not pointing a finger.

I'm quite certain there was a simpler way to address the problem.  I do
not think that installing GNAT in /usr/local was the culprit; rather,
the culprit might have been a clobbered system-wide LD_LIBRARY_PATH (as
opposed to a user-specific one) containing an old version of
libstdc++.so.6.

> I am using the codeblocks IDE (C/C++, but no Ada) which provides
> updates via the Universe repositories in Ubuntu. To get updates a user
> only puts repository details into etc/apt/source.list and sets
> authentication data in a keyring. Then the updates arrive as normal
> Ubuntu updates. An update takes a minute or two and then a user can
> reenter the updated codeblocks IDE without having to lift a finger.
> Very simple, convenient and foolproof.
>
> Can GNAT GPL with GPS be updated in a similar fashion for Ubuntu (and
> maybe others too)? Most users from the Windows world, myself included,
> expect this operation to be simple.

You are getting near the conclusion and solution that I gave you
already.  If you can reinstall Ubuntu, you might as well install Debian
which is the source of Ubuntu.  Then install the package gnat-gps and
there you go.  As I said earlier: no fuss, no muss.  It works right out
of the box.

-- 
Ludovic Brenta.