I'd also love to know the answers to these questions.

And tying into the "OE Alternative" thread.... one of
one most frustrating things I've confronted with OE and
Bitbake is that once you've pulled and built all of
the bits (yes, it can be _very_ painful), it's not
clear how you can twiddle the kernel/OS bits and
rebuild it locally (not natively compile from a discrete
set of sources).

If I could append a question to Dan's list for the
OE intelligentsia: How does one customize and
rebuild the kernel after you've started down the
long and winding OE road?

tks.


From: Dan Nelson <Dan.Nelson@romteck.com>
To: General mailing list for gumstix users. <gumstix-users@lists.sourceforge.net>
Sent: Friday, March 23, 2012 3:50 AM
Subject: [Gumstix-users] Building The Kernel

I've found the recent comments regarding OE interesting in light of my
first forays into it.  I'm trying to figure out how the kernel gets
built.

Bitbake virtual/kernel

I think the virtual in the above command means virtually impossible to
find the starting point and follow the build process.

First question, what's the starting point in this process?  How does it
proceed?  I can't seem to find anything useful in the doco.

I guess it ends up using one of the recipes somewhere in recipes/linux,
but which one?

What kernel source does it use? (Maybe from linux-sakoman_2.6.35.bb or
linux-omap3_2.6.39.bb?)

All references to Sakoman builds are 2.6.x, but the build is 3.0.0?

What patches does it apply and where are they?

What defconfig does it use?

My aim is to eventually build some kernel modules.

Going home for the weekend.

Dan

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