Re: [Qemu-devel] [PATCH v2] libvixl: a64: Skip "-Wunused-variable" for gcc 5.0.0 or higher

[Peter Maydell]

On 12 October 2014 01:32, Chen Gang <address@hidden> wrote:
> On 10/12/14 5:25, Peter Maydell wrote:
>> Some other approaches to this that would confine the
>> fix to the makefiles rather than requiring us to modify
>> the vixl source itself:
>>  a) add a -Wno- option for the affected .o files
>
> It is one way, but may have effect with gcc 4 version, and also it is
> effect with the whole file which is wider than current way.
>
>>  b) use -isystem rather than -I to include the libvixl
>>     directory on the include path
>>
>
> It sounds good to me, although for me, it is not related with current
> issue.

-isystem disables a bunch of gcc warnings automatically,
which is why I suggested it. I'm not overall sure it's
a great idea though.

-- PMM