Actually, I think we could streamline this process with a new API
function: https://github.com/pure-data/pure-data/issues/2075
On 04.08.2023 23:16, Christof Ressi wrote:
To avoid bleeding-edge red, is the following not possible with externals?
This would work in a way that you could compile ELSE for older Pd
versions. But then you would essentially need to ship two different
versions: one for Pd 0.54> and another one for Pd 0.54<=.
Ideally, there should be one version that works for both older and
newer Pd versions. A simple runtime check is not enough because
multichannel objects need to call a new API function,
namelysignal_setmultiout(). Any external that calls this function
would refuse to load with older Pd versions that do not have this symbol.
Now, what you can do is try to load signal_setmultiout() explicitly
with dlsym resp. GetProcAddress:
typedef void (*signal_setmultiout_fn)(t_signal **, int);
signal_setmultiout_fn my_signal_setmultiout; // in setup function:
#ifdef _WIN32 my_signal_setmultiout =
(signal_setmultiout_fn)GetProcAddress(GetModuleHandle(NULL),
"signal_setmultiout"); #else my_signal_setmultiout =(signal_setmultiout_fn)dlsym(dlopen(NULL, RTLD_NOW),
"signal_setmultiout"); #endif // in DSP method: if
(my_signal_setmultiout) // Pd has multichannel support ... else // no
multichannel support ...
That's what I am planning to do for vstplugin~ and aoo.
Christof
On 04.08.2023 20:31, Dan Wilcox wrote:
To avoid bleeding-edge red, is the following not possible with externals?
#ifdef PD_MAJOR_VERSION >= 0 and PD_MINOR_VERSION >= 54
// multichannel code
#else
// non-multichannel code
#endif
Depending upon the code layout, you could also probably use some
macros for lots of redundant stuff.
On Aug 4, 2023, at 8:18 AM, pd-list-requ...@lists.iem.at wrote:
Message: 3
Date: Fri, 4 Aug 2023 03:12:27 -0300
From: Alexandre Torres Porres <por...@gmail.com>
To: Pd-List <pd-list@lists.iem.at>
Subject: Re: [PD] Building ELSE for Pd Vanilla (here RPi OS 11 32-bit)
Message-ID:
<caeasfmj2j+baf3djdfudeyaftujpxcfkrfizn6fpaob06ha...@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"
Em qui., 3 de ago. de 2023 ?s 16:46, IOhannes m zm?lnig
<zmoel...@iem.at>
escreveu:
Personally I think this is a bug in ELSE, and would file a bug that it
ought to be buildable against older versions of Pd (even if that means
that some functionality is missing).
I'm creating new objects for multichannel fun and adding multichannel
awareness to old objects, right now there are over 50 signal objects
that
are multichannel aware (and counting).
Without 0.54 you'll just have many errors trying to deal with
CLASSMULTICHANNEL
So yup, 0.54 is needed. Sorry I'm always on the bleeding edge
--------
Dan Wilcox
@danomatika <http://twitter.com/danomatika>
danomatika.com <http://danomatika.com>
robotcowboy.com <http://robotcowboy.com>
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