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<div class="moz-cite-prefix">On 13-04-29 04:34 PM, Eduard Bachmakov
wrote:<br>
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<div>I see. Makes sense. I was just wondering if the
Makefiles are generated automatically or written by hand.
From the two responses (and the pretty-ness of the markup
inside of them) I gather it's the latter.</div>
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Yes, hand built. Like I said, think of it as a script.<br>
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<div>I was able to x64 just fine the other
day. (I also tried it with allyesconfig but
that (obviously) failed).</div>
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We don't support all configurations yet. Getting to the
point where we are already has taken a lot of work
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<div>I understand. It was also on of the ideas on the GSoC
page to have allyesconfig work. I was just curious how
long until the error (longer than I expected; it was a
VLAS).</div>
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I would expect allyesconfig would fail very quickly. :)<br>
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<div>As far as the scope for implementing
checker for the kernel, many of the
frequent contributors just have not had
the time to try it. From those who have
tried it, we know it doesn't just work out
of the box. </div>
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<div>I see. When ever I used the analyzer it
was using the scan-build tool. Need to check
whether it works with the custom build
system</div>
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We don't need to run it on our makefiles. We need it run
on the kernel makefiles (Kbuild). The analyzer would be
driven by our build system.</div>
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<div>The way I understand the system, it basically replaces
env variables but allows customization, does
error-handling, sets defaults, etc. I was just wondering
if it would propagate through down to where the `make`
that actually builds the kernel.</div>
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That would be the gig: Figuring this out, then ultimately tuning it
for the kernel if time permitted (adding specific analysis/checks
which are Linux kernel specific).<br>
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<div>Its an advanced task because the kernel
make system is complcated, and it may
require modifying LLVM or checker code. We
just don't know yet. </div>
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<div>Alright. My plan was to read up on the
whole kbuild system and see how
flags/commands enabling the analyzer would
be integrated.</div>
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The idea isn't to integrate it into the kernel build
system. We want to run it against the kernel build. So
updates to the analyzer to support the kernel would be
the ideal situation.</div>
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<div>I don't think I quite understand what you mean here.
The analyzer itself is -- afaik -- the "--analyze" flag to
clang (+ whatever "sub"-flags there are). Could you please
elaborate?</div>
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Probably my misunderstanding. Sounded like you were suggesting that
it needed to be integrated into Kbuild. My bad.<br>
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I was trying to clarify (unsuccessfully it seems :) ) that the tool
needs to ideally be able to run over the Linux kernel code with a
minimum of changes to the Kernel code itself.<br>
<br>
Behan<br>
<pre class="moz-signature" cols="72">--
Behan Webster
<a class="moz-txt-link-abbreviated" href="mailto:behanw@converseincode.com">behanw@converseincode.com</a></pre>
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