On Fri, Aug 23, 2019 at 6:11 PM Terry Fuller <t...@pgmguild.com> wrote:

>
> On 2019-08-23 10:27, Terry Fuller wrote:
> >
> > Hi Erich, Gil,
> >
> Thanks for help... I think I'm in deeper trouble than I realized...  It
> seems that the gtk downloads referenced in 'windows-building' are all
> 32-bit programs.  I now assume that I must compile rexxgtk as 32-bit
> programs to match the gtk modules. Can you confirm this?
>
> That is correct.


> I now also think that I must replace my 64-bit ooRexx installation with
> a 32-bit one in order to test my rexxGTK.  Can anyone confirm that?  or
> can I run a 32-bit dll from a 64-bit ooRexx setup?
>
> That is also correct. The bitness of everything must match. It is not
possible to run a 32-bit dll from a 64-bit oorexx.


> In my first attempt, I (naively) compiled all the rexxGTK modules as
> 64-bit programs.  Is it really possible to upgrade 32- to 64 bit code
> with just a re-compile? (Recognizing that I'd have to match that up with
> a 64-bit GTK or compile it and all it's dependencies to match.)
>
>
It depends on how well the code was written. It takes a great deal of
discipline to write code that works as both 32-bit and 64-bit. ooRexx is
capable of that, but I can't making any assertions beyond that.

>
>
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