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Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
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Given the current implementation of OVERRIDES in bitbake, the variable is
expected to contain elements in the order least specific to most specific,
however, our current usage of it does not match that. As one example, "local"
is supposed to always be the most specific override, yet currently it's the
least specific. As another example, currently the target architecture is seen
as more specific than the machine, which is also clearly wrong.
Big thanks to Chase Maupin for investigating and identifying this long
standing issue.
It becomes clear that a reversal of the current value will bring us to a more
sane behavior, and avoids the need for the dual overrides hack mentioned in
the comments, so this implements this reversal, and drops the unnecessary and
confusing comments.
This also introduces a MACHINE_OVERRIDES variable as a generic mechanism to
inject overrides elements which are more specific than the distro but less
specific than the machine, which is where things like MACHINE_CLASS or
SOC_FAMILY or the like would go. This variable is *space* separated, to make
it easier and more convenient to assemble the variable incrementally.
Reported-by: Chase Maupin <chase.maupin@ti.com>
Signed-off-by: Chris Larson <chris_larson@mentor.com>
Acked-by: Chase Maupin <chase.maupin@ti.com>
Acked-by: Khem Raj <raj.khem@gmail.com>
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The documentation is outdated and one should use external-toolchain
but no one has written documentation for that... at least do not ask
people to head to a wrong documentation.
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* Added a description of the SOC_FAMILY variable that
can be set in the machine configuration files.
Signed-off-by: Chase Maupin <chase.maupin@ti.com>
Acked-by: Paul Menzel <paulepanter@users.sourceforge.net>
Acked-by: Frans Meulenbroeks <fransmeulenbroeks@gmail.com>
Acked-by: Denys Dmytriyenko <denis@denix.org>
Signed-off-by: Denys Dmytriyenko <denis@denix.org>
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* Fixed up typos and other errors in the documentation.
Acked-by: Koen Kooi <k-kooi@ti.com>
Signed-off-by: Chase Maupin <chase.maupin@ti.com>
Signed-off-by: Denys Dmytriyenko <denis@denix.org>
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Use $ <command>NAME</command> for all shell commands on the host
throughout the docbook. $ was picked over the other three candidates
due being the oldest one we have used.
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Use filename and emphasis inside a para to make jade happy.
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Explain how to configure, build and use a Qt Embedded SDK
generated with OpenEmbedded.
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Using shlibs and ASSUME_SHLIBS should be everything we need to
get proper dependencies into packages. This section should get
more work and the external-poky-toolchain approach should be
copied to simplify this task.
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org.openembedded.documentation is deprecated now; please do all updates here!
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Martin Jansa
Chris Larson
Holger Hans Peter Freyther
Chase Maupin
Theodore A. Roth
Michael 'Mickey' Lauer