linux-kernel - Re: [PATCH v5 bpf-next 09/15] samples/bpf: use own flags but not HOSTCFLAGS

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Message-ID: <20191011095715.GB3689@khorivan>
Date:   Fri, 11 Oct 2019 12:57:16 +0300
From:   Ivan Khoronzhuk <ivan.khoronzhuk@...aro.org>
To:     Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
Cc:     ast@...nel.org, daniel@...earbox.net, yhs@...com,
        davem@...emloft.net, jakub.kicinski@...ronome.com, hawk@...nel.org,
        john.fastabend@...il.com, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org, bpf@...r.kernel.org,
        clang-built-linux@...glegroups.com, ilias.apalodimas@...aro.org
Subject: Re: [PATCH v5 bpf-next 09/15] samples/bpf: use own flags but not
 HOSTCFLAGS

On Fri, Oct 11, 2019 at 11:49:38AM +0300, Sergei Shtylyov wrote:
>   More grammar nitpicking...
>
>On 11.10.2019 3:28, Ivan Khoronzhuk wrote:
>
>>While compiling natively, the host's cflags and ldflags are equal to
>>ones used from HOSTCFLAGS and HOSTLDFLAGS. When cross compiling it
>>should have own, used for target arch. While verification, for arm,
>
>   While verifying.
While verification stage.

>
>>arm64 and x86_64 the following flags were used always:
>>
>>-Wall -O2
>>-fomit-frame-pointer
>>-Wmissing-prototypes
>>-Wstrict-prototypes
>>
>>So, add them as they were verified and used before adding
>>Makefile.target and lets omit "-fomit-frame-pointer" as were proposed
>>while review, as no sense in such optimization for samples.
>>
>>Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@...aro.org>
>[...]
>
>MBR, Sergei

-- 
Regards,
Ivan Khoronzhuk