[libvirt PATCH] util: squelch G_DEFINE_TYPE volatile warnings with GCC 11

[Michal Privoznik]

On 12/3/20 12:37 PM, Daniel P. Berrangé wrote:
> In this previous commit:
> 
>    commit 65491a2dfe00bfcf9f09a8d6eab60234b56c8cc4
>    Author: Martin Kletzander <mkletzan at redhat.com>
>    Date:   Thu Nov 12 13:58:53 2020 +0100
> 
>      Do not disable incompatible-pointer-types-discards-qualifiers
> 
> We selectively rewrite G_DEFINE_TYPE to avoid warnings about
> mismatched volatile/non-volatile pointers that appeared with
> CLang when using GLib2 >= 2.67
> 
> We have now just hit the reverse problem, GCC >= 11 has started
> warning about mismatched volatile/non-volatile pointers but only
> with GLib2 < 2.67. The new GLib2 avoids the warning, as does
> older GCC.
> 
> Signed-off-by: Daniel P. Berrangé <berrange at redhat.com>
> ---
>   src/util/glibcompat.h | 31 +++++++++++++++++++++++++++----
>   1 file changed, 27 insertions(+), 4 deletions(-)

Reviewed-by: Michal Privoznik <mprivozn at redhat.com>

Michal