[yocto] bilding webkit/qtwebengine?

[Khem Raj]

On Fri, Jul 28, 2017 at 8:55 PM, Takashi Matsuzawa <tmatsuzawa at xevo.com> wrote:
> Hello.
> I am seeing issue with threads/parallel make.  I wonder if anyone has
> experience/suggestion.
>
> My question: is if it is possible that I set parallel make numbers to lower
> only for a few recipes that are known to resource hog?
>
> I am building webkig/chrome related recipes (e.g. qtwebengine or alike) as
> part of my image build.  I have been setting parallel thread / make
> parameters relatively high in the past, say 20-30.
> So far it worked well and it make me finish my build faster.
>
> Then, I added these components to my image, then the build crashes (jenkins
> killed with lack of memory).
> I imagine these components have complex build system within it, so it is
> more resource hog compared to the other “ordinal” components.
>
> I imagine that by reducing the parallel make configuration numbers to lower,
> the build will not break for webkits, but at the same time, it will be
> slower to the other parts of the build.
>

yes you can do that via a local.conf entry like

PARALLEL_MAKE_pn-qtwebengine  = "-j 8"
....

and so on.

>
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