linux-kernel - Re: [PATCH v2] selftests: Fix build failures when invoked from kselftest target

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Date:	Thu, 19 Mar 2015 11:05:15 +1100
From:	Michael Ellerman <mpe@...erman.id.au>
To:	Shuah Khan <shuahkh@....samsung.com>
Cc:	linux-api@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] selftests: Fix build failures when invoked from
 kselftest target

On Wed, 2015-03-18 at 12:05 -0600, Shuah Khan wrote:
> Several tests that rely on implicit build rules fail to build,
> when invoked from the main Makefile kselftest target. These
> failures are due to --no-builtin-rules and --no-builtin-variables
> options set in the inherited MAKEFLAGS.
> 
> --no-builtin-rules eliminates the use of built-in implicit rules
> and --no-builtin-variables is for not defining built-in variables.
> These two options override the use of implicit rules resulting in
> build failures. In addition, inherited LDFLAGS result in build
> failures and there is no need to define LDFLAGS.  Clear LDFLAGS
> and MAKEFLAG when make is invoked from the main Makefile kselftest
> target. Fixing this at selftests Makefile avoids changing the main
> Makefile and keeps this change self contained at selftests level.

Yep this looks good.

Acked-by: Michael Ellerman <mpe@...erman.id.au>

cheers


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