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From: Ludovic Brenta <ludovic@ludovic-brenta.org>
Newsgroups: comp.lang.ada
Subject: Re: Erroneous installation for GPRBuild on Ubuntu ?
Date: Fri, 27 May 2011 05:34:33 -0700 (PDT)
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Date: 2011-05-27T05:34:33-07:00
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Yannick Duch=EAne wrote on comp.lang.ada:
> I had a look at =93/usr/share/gprconfig=94, and found a configuration
> file for GNAT, so looks like its all there [...]

This is what led me to believe you were using the official Debian
package for gprbuild.  If you were not, you made a mistake.  The
Debian packaging system owns /, /usr, /lib etc and all files under
these directories are under the control of dpkg.  If you place files
there manually, you're in for trouble. See
http://www.debian.org/releases/stable/i386/ch08s03.html.en

Per the Filesystem Hierarchy standard, the proper place for software
that you compile yourself is /usr/local.  So, the gprbuild
configuration files should be in /usr/local/share/gprconfig.  Most GNU
packages use /usr/local as the default installation path when you call
configure.  Your $PATH should contain /usr/local/bin by default and
$LD_LIBARY_PATH may contain /usr/local/lib.

Alternately, you can use /opt/$PACKAGE but then you have to adjust
your $PATH and other variables.

--
Ludovic Brenta.