linux-kernel - Re: [PATCH 2/7] selftests: add CFLAGS

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Message-ID: <1440388080.9176.6.camel@ellerman.id.au>
Date:	Mon, 24 Aug 2015 13:48:00 +1000
From:	Michael Ellerman <michael@...erman.id.au>
To:	Bamvor Jian Zhang <bamvor.zhangjian@...aro.org>
Cc:	linux-kernel@...r.kernel.org, broonie@...aro.org,
	khilman@...aro.org, tyler.baker@...aro.org, shuahkh@....samsung.com
Subject: Re: [PATCH 2/7] selftests: add CFLAGS_EXTRA

On Fri, 2015-08-14 at 21:43 +0800, Bamvor Jian Zhang wrote:
> One may pass the "-I /path/to/headers -L /path/to/lib" through
> CFLAGS_EXTRA for cross compiling. mqueue could compile pass
> in this way when we provide the popt.h and libpopt.so. And kdbus
> could compile pass with sys/capability and libcap.so

There should be no need to define a new variable.

You should just update the relevant Makefiles to use CFLAGS += rather than
CFLAGS =. And then you can just specifiy CFLAGS on the command line.

cheers


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