On 2017-05-30 9:15 PM, Paul D. DeRocco wrote:
From: Paul D. DeRocco
I ported a working build from Fido to Morty, made a few
tweaks in response
to error messages (mostly updating version numbers), but it's
not finding
my kernel configuration fragments. This is supposed to be an i386 arch
system, but it insists upon building an x86_64 kernel. The
.config file it
generates does not include my configuration fragments, which contain
things like CONFIG_64BIT=n and CONFIG_X86_32=y.
I'm still stumped by this, but I've debugged it further. My top level
chroma32-bsp-preempt-rt.scc file contains (among other things) the line
include ktypes/preempt-rt/preempt-rt.scc nopatch
Building the kernel copies the following files into
tmp/work/chroma32_bsp-poky-linux/linux-yocto-rt/4.8.12+blahblah
chroma32-bsp-user-config.cfg
chroma32-bsp-user-features.scc (empty)
but it doesn't copy the following files anywhere
chroma32-bsp-preempt-rt.scc
chroma32-bsp.scc
chroma32-bsp.cfg
so none of the values from either .cfg file appear in the resulting
.config file.
If I change the above line to
include ktypes/standard/standard.scc nopatch
then tmp/work/chroma32_bsp-poky-linux/linux-yocto-rt/4.8.12+blahblah
contains
chroma32-bsp-preempt-rt.scc
chroma32-bsp-user-config.cfg
chroma32-bsp-user-features.scc (empty)
and
tmp/work-shared/chroma32-bsp/kernel-source/.kernel-meta/configs/standard
contains
chroma32-bsp.cfg
chroma32-bsp-user-config.cfg
and everything in them is included in the .config file.
Both the preempt-rt.scc and standard.scc files pull in a lot of stuff, and
they are quite different from each other. What difference between the two
could account for my config fragments being ignored when I use the first
one?
It wouldn't be the difference.
Is this something that I can configure and build myself ? I changed
the processing model between those releases, but I tested migration
of a few BSPs and they all worked.
So something different is happening here.
I can't say what is is just by reading the description, but if I could
build something like you are describing, I can figure out what's happening.
Bruce
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