Pd-0.56-2 on IRIX (was Re: Re: [announce] pd 0.38-0test7 for IRIX)

IOhannes m zmoelnig via Pd-list <[email protected]> Tue, 13 Jan 2026 16:35:26 +0100
Newsgroups	gmane.comp.multimedia.puredata.general
Message-ID	<[email protected]>
On 1/12/26 19:25, IOhannes m zmoelnig via Pd-list wrote:
> On 1/12/26 17:17, IOhannes m zmölnig via Pd-list wrote:
>> Am 12. Jänner 2026 16:07:03 MEZ schrieb Wolfgang Gaggl 
>> <[email protected]>:
>>
>> I'm currently trying to build the last 8.6 release of Tcl/Tk... let's 
>> see how this works out.
> good news: Tcl/Tk-8.6.17 build fine (the only issue was with some extra 
> Tcl-packages like "sqlite", but since we don't need them i just skipped 
> them...
> and wish starts :-)
> 
> bad news: the GUI still doesn't fire up:
well, it seems i have resolved most issues.
the GUI finally starts, and I have re-added the sgi audio and MIDI backends.

the changeset can be found in the `irix` branch of my fork on 
<https://github.com/umlaeute/pure-data/tree/irix>


# usage

1. get the latest and greatest Tcl and Tk 8.6 packages from 
<https://www.tcl-lang.org/software/tcltk/download.html> (I didn't try 
Tcl/Tk-9.x)
compile and install both Tcl and Tk.
(as mentioned previously, I couldn't build some of the Tcl addons; 
simply remove the offending directories from tcl8.6.17/pkgs/; i left in 
the itcl and thread packages; no idea whether they are needed)

```
rm -rf tcl8.6.17/pkgs/tdbc* tcl8.6.17/pkgs/sqlite*
cd tcl8.6.17/unix
./configure
gmake
gmake install
cd ../../tk8.6.17/unix
./configure
gmake
gmake install
```

2. get my branch
```
git clone https://github.com/umlaeute/pure-data -b irix
```

3. build
```
./autogen.sh
./configure --without-local-portaudio --without-local-portmidi \
    --disable-expr --with-wish=/usr/local/bin/wish8.6 \
    --with-external-extension=pd_irix6 \
    --with-deken-os=Irix6 --with-deken-cpu=mips
gmake
```

Tcl/Tk's "gmake install" installed wish to /usr/local/bin/wish8.6, and 
Pd tries to just open "wish" by default, hence the "--with-wish" flag.
so alternatively you could just make sure that /usr/local/bin is in your 
PATH, and symlink "wish8.6" to "wish".

the "--with-deken-*" flags are optional and are actually only used for 
deken (and there probably aren't any Irix specific packages...)

sometimes, I get failures when building the po/ directory (some unknown 
flag to xgettext). just running gmake again seems to do the trick.

4. start Pd
```
./bin/pd
```

(if things go awry, use "./bin/pd -stderr" first)

I had some IPv6-related problems when connecting the pd-gui with the 
core (in theory IRIX should support IPv6, but it who knows...)

a simple solution is to just force to IPv4, by patching src/s_net.c 
(forcing the hints.ai_flags to AI_PASSIVE):

```diff
diff --git a/src/s_net.c b/src/s_net.c
index 48bed722..4134988f 100644
--- a/src/s_net.c
+++ b/src/s_net.c
@@ -66,6 +66,7 @@ int addrinfo_get_list(struct addrinfo **ailist, const 
char *hostname,
                       AI_V4MAPPED |  /* fallback to IPv4-mapped IPv6 
addrs */
  #endif
                       AI_PASSIVE;    /* listen to any addr if hostname 
is NULL */
+    hints.ai_flags = AI_PASSIVE;
      portstr[0] = '\0';
      sprintf(portstr, "%d", port);
      result = getaddrinfo(hostname, portstr, &hints, ailist);
```

i'd be interested to know whether this works at all.
and whether audio (and MIDI!) works as well.


there seems to be some problem with printing numbers.
e.g. [noise~]->[env~]->[print] shows weird numbers, like "0+.3345" or 
"/4.909"

due to the nature of the my VM, I could not actually test sound 
input/output.

of course, my VM is absymally slow (and the Irix is not an Octane :-)).

happy patching.

gamsdr
IOhannes


-- 
please do not CC me for list-emails

---
[email protected] - the Pure Data mailinglist
https://lists.iem.at/hyperkitty/list/[email protected]/message/CKAGFWX676HYY4FLGFWHVJ2VDPVEPRGK/

To unsubscribe send an email to [email protected] mailing list
UNSUBSCRIBE and account-management -> https://lists.iem.at/
OpenPGP_signature.asc (application/pgp-signature, 840 B)