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Date: Thu, 7 Jan 2016 10:54:06 -0800
From: Brian Norris <computersforpeace@gmail.com>
To: Michael Ellerman <mpe@ellerman.id.au>
Cc: Anton Blanchard <anton@au1.ibm.com>, Ian Munsie <imunsie@au1.ibm.com>,
 Michael Neuling <mikey@neuling.org>, linuxppc-dev@lists.ozlabs.org,
 linux-kernel@vger.kernel.org, Michal Marek <mmarek@suse.com>
Subject: Build failure: -Wno-unused-const-variable DNE on old GCC
Message-ID: <20160107185406.GA65420@google.com>
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Hi,

I'm using a GCC 4.6.3 compiler for some compile tests, and I noticed
that commit 2cd55c68c0a4 ("cxl: Fix build failure due to -Wunused-variable
behaviour change") breaks my builds, because the
-Wno-unused-const-variable doesn't exist on GCC 4.6.3.

  drivers/misc/cxl/base.c: At top level:
  cc1: error: unrecognized command line option "-Wno-unused-const-variable" [-Werror]

Any thoughts on how to best fix this? I'd like not to have to scrounge
up a new cross compiler just for build tests.

Regards,
Brian