[Buildroot] [PATCH] package/canfestival: don't build in parallel

[Thomas Petazzoni <thomas.petazzoni@free-electrons.com>]

Yann,

On Tue, 25 Aug 2015 13:55:50 +0200, Yann E. MORIN wrote:

> > Do you actually understand why make is displaying those warning
> > messages in the first place?
> 
> Yes, and it's a bit tricky.
> 
> canfestival indeed uses $(MAKE) everywhere. However, it is using it in a
> variable, like so:
> 
>     define build_cmds
>         $(MAKE) foo
>         $(MAKE) bar
>     endef
> 
>     all:
>         $(build_cmds)
>
> Since $(MAKE) is not directly in the rule body, it looses its magic
> behaviour. This is explicited said so in the make manual:
> 
>     This special feature is only enabled if the MAKE variable appears
>     directly in the recipe: it does not apply if the MAKE variable is
>     referenced through expansion of another variable.
> 
> Ergo.

I have to say I really like working on Buildroot with smart people,
because I learn things every day. Thanks for pointing me to this part
of the documentation I overlooked! I will apply your patch.

Thanks,

Thomas
-- 
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com