On Mon, 2005-05-09 at 12:25, Marc Kleine-Budde wrote:
> On Sat, May 07, 2005 at 01:49:36PM +0200, Michael Neuhauser wrote:
>
> [...]
> > > * the DESTDIR env-variable modifies the output of
> > >   'rtai-config --prefix'. It is prefixed to the paths.
> > >   (see [1] for details)
> > 
> > Ah, that's the info I was missing (the "export" before DESTDIR should
> > have been a clue; well it was late ...).
> 
> So, what was the problem?

It was my fault. I've used a wrong value for --with-rtai (the
"/usr/realtime" suffix was missing). Now it compiles without problems
(for RTAI vulcano on ARM/EP9301, linux 2.4.21).

I've noticed that `config-rtai --lxrt-ldflags` is not used in
addons/examples/lxrt. This is problematic if RTAI debugging is enabled
and the RTAI inlining mode is set to "extern inline": debugging enabled
-> no optimisation -> functions are not inlined -> symbols like
"rt_printk" are missing because executables are not linked with liblxrt.

>  Perhaps I could add some more sanity checks,
> to prevent the mistake in the future for other users....

In this special case, a check if RTNET_RTAI_PREFIX is really a suffix of
RTAI_DIR would have caught my mistake. But one can not check everything
(I have a bad feeling to say "go on, put the test in" when it was my own
stupidity that caused the problem).

Another thing: is there a quick way to test basic rtnet functionality on
my ARM board without having a real-time ethernet driver?

Mike
-- 
Dr. Michael Neuhauser                phone: +43 1 789 08 49 - 30
Firmix Software GmbH                   fax: +43 1 789 08 49 - 55
Vienna/Austria/Europe                      email: [EMAIL PROTECTED]
Embedded Linux Development and Services    http://www.firmix.at/



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