On 12/17/2013 12:19 PM, Michael Haberler wrote:
we're considering how to package LinuxCNC such that it can eventually
be included in debian
the core package will support RT-PREEMPT because an RT-PREEMPT kernel
is available stock in debian; the other RT kernels will be covered by
separate packages (Xenomai, RTAI).
so far we've used the xenomai userland support straight off the git
repo, but it might make sense to switch to
http://packages.debian.org/jessie/xenomai-runtime for one less
external raw repo dependency
question - is this a recommendable route?
(depends a bit on how well the debian package tracks the repo - does
this happen 'occasionally', or per-release?; so far we havent had
major issues with userland support but better ask before relying on
something only loosely maintained)
I think the user-space run-time is not really a problem, Xenomai 2.6
does not need any particular option on configure command line to avoid
issues, the defaults are fine for all architectures. Even the Debian
project rule files, which passes options which either no longer even
exists or are not useful, gets a working build.
What is much harder, and not really already available in the Debian
project is to package a kernel compiled with the right options to avoid
any issues, and avoid the hassle to all users to have to find out these
options by themselves, whereas, at least on x86, we can provide one such
Debian-like kernel. I did it for Linux 3.5.7 on xenomai 2.6.2.1, but did
not renew the experience with xenomai 2.6.3 because nobody downloaded
the .debs. But the "reprepro" directory is still there, so restarting it
would be easy.
--
Gilles.
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