[igt-dev] [PATCH i-g-t 4/5] autoconf: Silence void pointer arithmetic warnings

[Chris Wilson]

Quoting Tvrtko Ursulin (2019-02-28 14:18:27)
> From: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
> 
> Meson build does it so make the two symmetrical in this respect.
> 
> Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
> ---
>  configure.ac | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/configure.ac b/configure.ac
> index 4f55ea5d0f89..210e2c57df55 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -256,6 +256,8 @@ AC_ARG_ENABLE(werror,
>                              [Fail on warnings]),
>               [], [enable_werror=no])
>  
> +CWARNFLAGS="$CWARNFLAGS -Wno-pointer-arith"

\o/

> +
>  if test "x$enable_debug" = xyes; then
>         AS_COMPILER_FLAG([-g3], [DEBUG_CFLAGS="-g3"], [DEBUG_CFLAGS="-g"])
>         AS_COMPILER_FLAG([-Og], [DEBUG_CFLAGS+=" -Og -Wno-maybe-uninitialized"], # disable maybe-uninitialized due to false positives
> -- 

But shouldn't we be using something like the above to verify the flag
exists?
-Chris