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From: dewar@cs.nyu.edu (Robert Dewar)
Newsgroups: comp.lang.ada
Subject: Re: GNAT for rs6k
Date: 12 Sep 1994 09:59:26 -0400
Organization: Courant Institute of Mathematical Sciences
Message-ID: <351mru$s39@gnat.cs.nyu.edu>
References: <351j4u$ml8@babyblue.cs.yale.edu>
NNTP-Posting-Host: gnat.cs.nyu.edu
Keywords: GNAT rs6k RS/6000
Date: 1994-09-12T09:59:26-04:00
List-Id: <comp.lang.ada>

1.79 can definitely NOT build 1.82

In general at the moment we only guarantee that you can build N+1 from N,
and even then there can be some difficult cases (in particular building
1.81 from 1.80 is tricky, the readme has full details but they are tricky
to follow -- some have succeeded, but some have had trouble).

There are two reasons for bootstrap path problems of this type. First we
are using more features as we go along and as they are available to us.
Second runtime library incojmpatibilties cause trouble (we are trying to
work out an approach to minimize the second problem)