Michael Neuhauser wrote:
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).
That's fine.
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.
Thanks, we'll have a look at this.
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?
insmod rtai_rtdm
insmod rtnet
insmod rt_loopback
# the next one is only for starting the timer
insmod rtcfg
rtifconfig rtlo up 127.0.0.1
rtping 127.0.0.1
# or
insmod addons/examples/frag-ip/frag-ip
Jan
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