[Buildroot] [PATCH v2] linux: disable attribute alias with gcc >= 8.1

[Thomas Petazzoni]

Hello,

On Sat,  2 Jun 2018 16:34:07 +0200, Romain Naour wrote:
> gcc-8 started warning about function aliases that have a non-matching
> prototype. This seems rather useful in general, but it causes tons of
> warnings in the Linux kernel, where we rely on abusing those aliases
> for system call entry points, in order to sanitze the arguments passed
> from user space in registers.
> 
> See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82435
> 
> Disable the attribute-alias warning introduced by gcc-8 by adding
> -Wno-attribute-alias to KCFLAGS.
> 
> Signed-off-by: Romain Naour <romain.naour at gmail.com>
> Cc: Thomas Petazzoni <thomas.petazzoni at bootlin.com>
> ---
> v2: use KCFLAGS instead of KBUILD_CFLAGS (ThomasP)

Applied to master, thanks.

Thomas
-- 
Thomas Petazzoni, CTO, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
https://bootlin.com