Re: [PATCH v3 bpf-next 09/14] samples: bpf: makefile: use own flags but not host when cross compile

[Sergei Shtylyov <sergei.shtylyov@xxxxxxxxxxxxxxxxxx>]

Hello!

On 16.09.2019 13:54, Ivan Khoronzhuk wrote:

> While compile natively, the hosts cflags and ldflags are equal to ones

  Compiling. Host's.

> used from HOSTCFLAGS and HOSTLDFLAGS. When cross compiling it should
> have own, used for target arch. While verification, for arm, arm64 and
> x86_64 the following flags were used alsways:
>
> -Wall
> -O2
> -fomit-frame-pointer
> -Wmissing-prototypes
> -Wstrict-prototypes
>
> So, add them as they were verified and used before adding
> Makefile.target, but anyway limit it only for cross compile options as
> for host can be some configurations when another options can be used,
> So, for host arch samples left all as is, it allows to avoid potential
> option mistmatches for existent environments.

   Mismatches.

> Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@xxxxxxxxxx>
[...]

MBR, Sergei