linux-kernel - Re: [PATCH v2] watchdog: Compile possible drivers with COMPILE

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Message-ID: <561ED9E6.8070600@roeck-us.net>
Date:	Wed, 14 Oct 2015 15:40:38 -0700
From:	Guenter Roeck <linux@...ck-us.net>
To:	Luis de Bethencourt <luisbg@....samsung.com>,
	linux-kernel@...r.kernel.org
Cc:	linux-watchdog@...r.kernel.org, wim@...ana.be,
	javier@....samsung.com
Subject: Re: [PATCH v2] watchdog: Compile possible drivers with COMPILE_TEST

On 10/14/2015 03:11 PM, Luis de Bethencourt wrote:
> On 14/10/15 22:35, Guenter Roeck wrote:
>> On 10/14/2015 11:55 AM, Luis de Bethencourt wrote:
>>> These drivers have depends that aren't build dependencies, so it's
>>> a good idea to allow these drivers to always be built when the
>>> COMPILE_TEST option is enabled.
>>>
>>> That way, the drivers can be built with a config generated by make
>>> allyesconfig and check if a patch would break the build.
>>>
>>> Signed-off-by: Luis de Bethencourt <luisbg@....samsung.com>
>>
>> What architectures have you actually tested this for ?
>>
>> Guenter
>>
>
> I've compiled it in x86 and then I tried ARM
> (with CROSS_COMPILE="ccache arm-linux-gnueabihf-" ARCH=arm)
>
> But ARM kept failing due to other drivers, first Lustre then an Ethernet
> driver (I40E), and more.
>
arm:allmodconfig should build fine. Either case, you can always run "make -i"
to ignore errors, to ensure that you at least don't introduce new problems.

> Is there a better way of doing this?
>
Sure, at least run allmodconfig for _all_ architectures, or at least
for the major architectures.

Guenter

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