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From: defaria@hpcupt3.cup.hp.com (Andy DeFaria)
Newsgroups: comp.lang.ada
Subject: Re: X Bindings and Implementations
Message-ID: <46820003@hpcupt3.cup.hp.com>
Date: 8 Apr 91 16:56:17 GMT
References: <2260@winnie.fit.edu>
Organization: Hewlett Packard, Cupertino
List-Id: <comp.lang.ada>

>/ hpcupt3:comp.lang.ada / gsttallet@zach.fit.edu (Joe Tallet) /  4:48 pm  Apr  4, 1991 /
>
>I'm in need of information concerning different X products.  I am
>familiar with the following X products:
>
>        o  from Rational, an implementation of X written in Ada,
>        o  from MIT, Rational's Ada implementation of X,
>        o  from Verdix, Ada bindings to the C implementation of X,
>           this is the STARS 'version',
>        o  from GHG, an Ada implementation of X, similiar to
>           Rational's version?
>        o  from EVB, Ada bindings to MOTIF,
>        o  from TAE++, bindings or implementation?
>
>  What I need to know is how are these products related, interface-wise?
>
>  For example (and even specifically):
>
>        Q: How close is Rational's Ada implemenion of X to the previous
>           MIT Ada binding?  How much success did they have in keeping the
>           interfaces the same (type-wise and subroutine-wise)?
>
>        Q: How close is Verdix's Ada binding to the previous MIT Ada
>           binding?
>
>        Q: How does Verdix's Ada binding and Rational's Ada implementation
>           compare interface-wise.
>
>        Q: How does GHG's Ada implementation of X compare with
>           Rational's implementation (again - interface-wise)?
>
>        Q: What are the Ada compilers supported by each of these
>           Ada products?
>
>  The reason that I am looking for this information is that I need to
>know what kinds of problems I will have in porting an application to
>these different X products.  Problems in terms of interface differences
>and Ada compiler support issues.
>
>  Please respond through e-mail to jot@sps.com or uunet to ...!uunet!sps!jot.
>I may not be able to review every response posted here.
>
>  As for the information I will gather, I will post it once completed (unless
>there is opposition to this).
>
>Thanks in advance...
>jot
>----------