[Bf-committers] Trans.: Re: NDOF patch and plugin for Linux

[OS]

@Ettore:

I'm back from the Libre Software Meeting. Before trying what is quoted after, 
please confirm me these instructions are still valid: I saw there were quite 
a few e-mails on the topic, but not sure if they change anything I'd have to 
test. A few instructions would be welcomed ;-)

Le Mercredi 11 Juillet 2007 08:45, olivier.saraja at free.fr a écrit :
> forgot to put the ML in Cc... sorry for the forwarding
>
> ----- Message transféré de olivier.saraja at free.fr -----
>    Date : Wed, 11 Jul 2007 08:41:43 +0200
>      De : olivier.saraja at free.fr
> Adresse de retour :olivier.saraja at free.fr
>   Sujet : Re: [Bf-committers] NDOF patch and plugin for Linux
>       À : Ettore Pasquini <ettore_pasquini at 3dconnexion.com>
>
> Selon Ettore Pasquini <ettore_pasquini at 3dconnexion.com>:
> > It looks like the compiler doesn't like the volatile qualifier. Mmmh... I
> > compiled with scons and gcc 4.1.2 and I didn't get this error. Which
> > compiler and build system are you using, Oliver?
>
> I'll have to check: not at home until this evening, but I compiled under
> ubuntu 6.06 LTS. All standard packages. Perhaps it gives you some hints:
> http://distrowatch.com/table.php?distribution=ubuntu says: gcc 4.0.3 and I
> used scons.
>
> > As a quick & dirty solution, I would say try to cast away the volatile
> > qualifier with something like
> > (const GHOST_TEventNDOFData&)*sNdofInfo.currValues);
> > at line 483.
>
> I'll check this this evening. "cast away the volatile qualifier": at the
> moment, as I'm not a programmer, this doesn't make sense to me, sorry.
>
> > Or, replace lines 464-484 of the patched GHOST_SystemX11.cpp with the
> > following:
> >
> > ......
> > ......
> > if (sNdofInfo.currValues) {
> >   GHOST_TEventNDOFData data;
> >   data.changed = 1;
> >   data.delta = xcme.data.s[8] - data.time;
> >   data.time = xcme.data.s[8];
> >   data.tx = xcme.data.s[2] >> 4;
> >   data.ty = xcme.data.s[3] >> 4;
> >   data.tz = xcme.data.s[4] >> 4;
> >   data.rx = xcme.data.s[5];
> >   data.ry = xcme.data.s[6];
> >   data.rz = xcme.data.s[7];
> >
> >   g_event = new GHOST_EventNDOF(getMilliSeconds(),
> >                                 GHOST_kEventNDOFMotion,
> >                                 window, data);
> > } else {
> > ......
> > ......
>
> This makes more sense to me, but again, I'll check this evening.
>
> > Let me know how this goes.
>
> Sure! I'll be silent the next 2-3 days, but once back, I'll resume testing
> on the plugin.
>
> --
> olivS
> ----- Fin du message transféré -----
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-- 
Olivier