* X Bindings and Implementations
@ 1991-04-05 0:48 Joe Tallet
1991-04-08 16:56 ` Andy DeFaria
1991-04-08 17:03 ` Andy DeFaria
0 siblings, 2 replies; 3+ messages in thread
From: Joe Tallet @ 1991-04-05 0:48 UTC (permalink / raw)
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
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: X Bindings and Implementations
1991-04-05 0:48 X Bindings and Implementations Joe Tallet
@ 1991-04-08 16:56 ` Andy DeFaria
1991-04-08 17:03 ` Andy DeFaria
1 sibling, 0 replies; 3+ messages in thread
From: Andy DeFaria @ 1991-04-08 16:56 UTC (permalink / raw)
>/ 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
>----------
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: X Bindings and Implementations
1991-04-05 0:48 X Bindings and Implementations Joe Tallet
1991-04-08 16:56 ` Andy DeFaria
@ 1991-04-08 17:03 ` Andy DeFaria
1 sibling, 0 replies; 3+ messages in thread
From: Andy DeFaria @ 1991-04-08 17:03 UTC (permalink / raw)
>/ 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?
Gee, you left out HP: HP has bindings to Xlib, Xt and Motif. These are
bindings to the C implementations (no need to reinvent the wheel eh!).
Also, I don't believe that EVB has bingings to MOTIF. I've heard they are
only Xlib bindings and are for the Mac.
>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.
Tried email, it didn't work.
Interfacewise, we tried to keep the interface as close to the C interface
as possible, changing things only when they made sense Ada-wise, such as
the use of enumeration types and the like. It's not that we wouldn't want
a clean implementation of these products written exclusively in Ada, but
the real question that comes up is who is going to constantly roll the Ada
implementation each time X changes and how long will it take them to get
newer versions to markets. Our approach and processes helps us keep pace
with the changing X versions.
If you want more information about our products I suggest that you contact
our marketing department:
Queene Mavor
California Language Labs
Hewlett Packard Company
Cupertino, CA 95014
(408)-447-7956
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1991-04-08 16:56 ` Andy DeFaria
1991-04-08 17:03 ` Andy DeFaria
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