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To: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Leif Lindholm <leif.lindholm@linaro.org>,
 "edk2-devel@lists.01.org" <edk2-devel@lists.01.org>,
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From: Laszlo Ersek <lersek@redhat.com>
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Date: Tue, 20 Jun 2017 21:57:28 +0200
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Subject: Re: [PATCH] ArmPlatformPkg: eliminate Juno gcc build warning
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On 06/20/17 21:52, Ard Biesheuvel wrote:
> On 20 June 2017 at 17:44, Laszlo Ersek <lersek@redhat.com> wrote:

>> Perhaps we should introduce two macros to "MdePkg/Include/Base.h",
>>
>> #define UNUSED_POINTER NULL
>> #define UNUSED_INTEGER 0
>>
>> These could be used to suppress such warnings, without the risk of
>> misleading programmers (as to the real necessity of the variable
>> assignment at hand).
>>
> 
> Or perhaps
> 
> #ifdef __GNUC__
> #define USED(var)  var = (typeof(var))0
> #else
> #define USED(var)
> #endif
> 

Sure, why not :)