[oe] [meta-oe][PATCH 2/2] cmake.bbclass: enable usage of ccache

[Andreas Müller]

On Fri, Jan 13, 2017 at 3:00 PM, Yannick Gicquel
<yannick.gicquel at iot.bzh> wrote:
> This allows ccache usage for recipes which inherit cmake.bbclass.
> Since cmake v3.4, it can be enabled using some "-D" options.
>
> Here below are some metrics while using it for webkitgtk recipe.
> (machine is a 4x core i7 @ 3.4GHz)
>
> $ bitbake -c fetchall webkitgtk
> $ time bitbake webkitgtk
> <snip>
> real    56m25.191s
> user    359m32.003s
> sys     34m49.356s
>
> $ bitbake -c clean webkitgtk
> $ bitbake -c cleansstate webkitgtk
> $ time bitbake webkitgtk
> <snip>
> real    25m19.298s
> user    17m57.861s
> sys     6m20.157s
>
Wow your performance results look really impressive. Will give it a
try with all the kde/lxqt and others.

Andreas