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Re: Minimum required GNAT version for bootstrap of GNAT on gcc trunk

From: Dave Korn <dave dot korn dot cygwin at googlemail dot com>
To: Laurent GUERBY <laurent at guerby dot net>
Cc: Oliver Kellogg <oliver dot kellogg at t-online dot de>, gcc at gcc dot gnu dot org
Date: Tue, 24 Feb 2009 18:59:44 +0000
Subject: Re: Minimum required GNAT version for bootstrap of GNAT on gcc trunk
References: <200902250510.34957.okellogg@users.sourceforge.net> <1235499411.11347.129.camel@localhost>

Laurent GUERBY wrote:

> I'm not sure 3.4 will work for trunk 

  I was just entirely unable to get 3.4.4 to bootstrap a 4.3.2 compiler.  I
used 4.3.0 and it worked.  I forget what I used to build the 4.3.0 with in the
first place.  I think the documentation needs updating to say you'll need to
use an early/intermediate 4.x version to bootstrap your way past the 3.x/4.x
boundary, but I couldn't say exactly where the break lies.

> but I haven't seen a 3.4 compiler
> in a while the branchpoint is more than 5 years old now :).

  Well, the start of it is, but the final release is only three years old.
Cygwin only moved to 4.x just last year.

    cheers,
      DaveK

Follow-Ups:
- Re: Minimum required GNAT version for bootstrap of GNAT on gcc trunk
  - From: Laurent GUERBY

References:
- Minimum required GNAT version for bootstrap of GNAT on gcc trunk
  - From: Oliver Kellogg
- Re: Minimum required GNAT version for bootstrap of GNAT on gcc trunk
  - From: Laurent GUERBY

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