On 12/18/19 1:14 AM, andy pugh wrote:
On Wed, 18 Dec 2019 at 03:19, Thomas D. Dean <[email protected]> wrote:

I have buster installed and
rtai-modules-4.14.148_5.2.3-linuxcnc_amd64.deb

I built linuxcnc, running the buster rtai kernel, from the git sources.

...

linuxcnc-uspace_2.9.0~pre0_amd64.deb
linuxcnc-uspace-rtai_2.9.0~pre0_amd64.deb

It looks like you configured for uspace rather than rtai?

From http://linuxcnc.org/docs/2.8/html/code/building-linuxcnc.html,
the configure option I used:

 --with-realtime=uspace

Build for any realtime platform, or for non-realtime. The resulting LinuxCNC executables will run on both a Linux kernel with Preempt-RT patches (providing realtime machine control) and on a vanilla (un-patched) Linux kernel (providing G-code simulation but no realtime machine control). If development files are installed for Xenomai (typically from package libxenomai-dev) or RTAI (typically from a package with a name starting "rtai-modules"), support for these real-time kernels will also be enabled.

Since I installed
rtai-modules-4.14.148_5.2.3-linuxcnc_amd64.deb,
This should build support for rtai, correct?

Should I use 'debian/configure -r' when running the rtai kernel?

Then, run 'dpkg-buildpackage -b -uc' at the top level, linuxcnc-dev in the docs.

What do I install?

Tom Dean


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