On Sat, May 07, 2005 at 01:49:36PM +0200, Michael Neuhauser wrote:
[...]
> > > I've looked at configure.ac and I have to say I that I don't understand
> > > how this should work:
> >
> > This code tries to detect if you have installed rtai with DESTDIR != "".
>
> The *what* is quite obvious from the comment, it's the *how* I don't
> understand.
:)
[...]
> > * 'rtai-config --prefix' gives /usr/realtime, and subsequent '--cflags'
> > would point to nonexisting or wrong dirs like /usr/realtime/include
> > * the directory supplied with the '--with-rtai=' parameter is stored
> > in the $RTAI_DIR variable, in your case
> > '/disk/work/armrtai/build/rtai/_xdev/usr/realtime'
> > * 'sed' removes the rtai-prefix ("/usr/realtime") from $RTAI_DIR
> > resulting in '/disk/work/armrtai/build/rtai/_xdev', which is
> > stored in DESTDIR
> > * 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? Perhaps I could add some more sanity checks,
to prevent the mistake in the future for other users....
Marc
--
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