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From: kcline17@hotmail.com (Kevin Cline)
Newsgroups: comp.lang.ada
Subject: Re: Ada Compiler Pricing (was Re: Hijacking a Thread was RE: New Ada
  compiler for .NET)
Date: 14 Jan 2003 12:02:41 -0800
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Richard Riehle <richard@adaworks.com> wrote in message news:<3E1F4B6D.A8D5172F@adaworks.com>...
> The important point is that GNAT, for all of the good will toward Ada it
> has generated, is not the only game in town.   ACT has done a remarkable
> job with their current business model and produced compilers of excellent
> quality.   That is just the first step when considering "deeply embedded"
> systems.  It is not enough to generate good code.    One of the key elements
> in selecting an Ada compiler for a "deeply embedded" system is to
> evaluate the relative qualities of the RTE.  This is a point often overlooked
> by those who naively believe that C++ is as relevant as Ada for embedded
> systems.

Commercial RTE's like VxWorks and LynxOS have been ported 
to most platforms and are much more popular than any Ada RTE. 
I don't know if they are better or worse, but what is most
important to system architects is that they are widely known to work,
and they are well-understood by many embedded developers.
In the real-time shops I've worked with, proposing Ada for a new
project would be considered rather radical.