[PD-dev] PDINSTANCE for Pd (was Re: call for discussion double-precision file extension)

[Christof Ressi]

AFAICT, the main issue is that multi-instance Pd misses symbols for 
certain global variables, most notably  s_float, s_symbol, s_bang, etc.

The problem is that these are really exported global structs. If they 
were *pointers*, we could simply make them point to the corresponding 
field in the main Pd instance. But in this case I don't really see a 
solution...

On 30.03.2022 18:07, IOhannes m zmoelnig wrote:
>
> On 3/30/22 17:45, Dan Wilcox wrote:
>> I lean much more on the side that PDINSTANCE is a low-level, per 
>> project compile option and not general-purpose. If you are using 
>> libpd, then your environment is a bit more custom anyway.
>
> i wonder what the penalty would be to turn on PDINSTANCE on Pd?
>
>
> obviously a problem with externals, but maybe we can come up with some 
> clever hack (under the assumption, that Pd (the app) only runs a 
> single instance, even if compiled with multi-instance support) to use 
> legacy externals - if that is even possible.
>
> apart from that?
>
> fgadrms
> IOhannes
>
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