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From: codesavvy@aol.com (codesavvy)
Newsgroups: comp.lang.ada
Subject: Re: Ada The Best Language?
Date: 19 Jul 2001 10:01:02 -0700
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"Marc A. Criley" <mcqada@earthlink.net> wrote in message news:<3B56CA73.3D3D09B6@earthlink.net>...
> codesavvy wrote:
> 
> > Do you have a metric for measuring the increase in productivity that
> > this brings about?  I hope the compiler is consistent from OS to OS
> > for Ada.  How often is portability from one system to the next
> > required so that all one has to do is recompile and everything will
> > work the same needed?  Not very often, almost never IMO.  BTW I like
> > the Ada 95 concurrancy model a lot.
> 
> How often is portability required, hmmm, let me think...
> 
>   The development environment was VAX/VMS with Dec Ada, and on which
> preliminary testing was done.  The target platform was a Concurrent
> 3280(?) with Concurrent Ada.  Additional software on that system was
> then targeted for VMS on the Alpha.
>   And then there was the port to Rational Apex running on Alphas with
> Digital Unix.
> 
>   Then on another program: Alsys Ada on HP-UX, ported to GNAT on HP-UX,
> with some occasional proof-of-concept stuff done with GNAT on Linux.
> 
>   Yet another program: Verdix Ada on Solaris to Rational Apex on
> Solaris, and again some testing with GNAT on Linux.
> 
> The only significant issue with the latter two programs was dependence
> on vendor-supplied packages, which were straightforward to deal with,
> and done so quickly.
> 
> 

A miniscule subset of the vast number of software development projects undertaken.  

> "Not very often, almost never IMO."
> 
> <snort>
> 
> 
> Marc A. Criley
> Senior Staff Engineer
> Quadrus Corporation
> www.quadruscorp.com
> 
> 
> And you are...?