Fwd: GDL2 on MacOS X

FROM : Stéphane Corthésy
DATE : Wed Nov 20 00:51:08 2002

(Discussion will take place on <email_removed> mailing list - end
of crossposting)

Begin forwarded message:

> From: Adam Fedor <<email_removed>>
> Date: Wed Nov 20, 2002  04:21:46 Europe/Zurich
> To: Stéphane Corthésy <<email_removed>>
> Cc: <email_removed>,  <email_removed>,  <email_removed>
> Subject: Re: GDL2 on MacOS X
>
> Stéphane Corthésy wrote:

>> I have some questions now:
>> - What is the current state of gdl2?? How compatible is it with EOF
>> 2? WebObjects 4.5's EOF implementation?
>> - Do gdl2 developers plan to support MacOS X? If they reply "no", no
>> need to read remaining questions ;-)

>
> They (we?) should. Although I don't think any of the main developers
> use MacOSX so we would rely on patches and bug reports from others.
>
> I don't think your patch will work though, since you  need the garbage
> collecting classes for gdl2. We're working on a compatibility library
> that you could compile on MacOSX to get this to work.
>

>> - Does it even compile on a GNUStep system?? I had to correct some
>> code, independant of platform.

>
> Well, understand that it's not even a released version yet, it's just
> in CVS.
>

>> - gdl2 depends on GNUStep-specific classes, like GCArray, etc. Can
>> this dependency be removed? There are also references to methods not
>> implemented in MacOS X, like subclassResponsibility:, but in these
>> cases we could implement categories on MacOS X for GNUStep
>> compatibility.

>
> see above.
>

>> - gdl2 is not consistent regarding retain/release and garbage
>> collecting; sometimes macros are used for retain/release, sometimes
>> method calls are used. How should it be done?

>
> macros should be used, since it's possible to compile GNUstep with
> automatic garbage collection, so that retain/releases aren't even
> needed.
>

>> Finally, I suppose there are a lot of Cocoa developers willing to use
>> EOF... erh gdl2 ;-)
>> I suppose GNUStep people will find help among them. There are also a
>> lot of former OpenStep/WO4 developers that could help, now that there
>> is a concrete opensource EOF for Cocoa. So please, subscribe to that
>> list, checkout gdl2 and give GNUStep developers needed help. I'll try
>> to.

>
> Yes. Thanks!
>
>
> --
> Adam Fedor, Digital Optics Corp.      | I'm glad I hate spinach,
> because
> http://www.doc.com                    | if I didn't, I'd eat it, and
> you
>                                      | know how I hate the stuff.
>
>


Begin forwarded message:

> From: Adam Fedor <<email_removed>>
> Date: Wed Nov 20, 2002  04:36:59 Europe/Zurich
> To: "Timothy J. Wood" <<email_removed>>
> Cc: Stéphane Corthésy <<email_removed>>,  <email_removed>, 
> <email_removed>,  <email_removed>
> Subject: Re: GDL2 on MacOS X
>
> Timothy J. Wood wrote:

>>  How are you dealing with the fact that EOModel and EOEditingContext
>> are patented (6,085,197; 5,956,728; 5,873,093)?

>
> I don't have a great answer for this. Heck, even things like the next
> key view concept are patented. GNUstep has always been walking on thin
> ice wrt Apple, which has always taken a dim view of any sort of
> infringement. Perhaps it's because we're free software. Or perhaps
> it's because we're really about the interface, not the implementation,
> which can always be changed. Although in this case, it's very very
> hard to make gdl2 work without infringing the patent: gdl2 was really
> written over a year (maybe two?) ago - we just spent the last year
> thinking about legal issues...
>
> I imagine any commercial users will have the hardest time deciding
> whether to use this or not. After all, it's much better to sue people
> who actually have money. Although, since gdl2 is a drop in replacement
> and you wouldn't be distributing it yourself...ah, but then those
> lawyers are wiley creatures...
>