On 02/15/2018 11:43 AM, Daniel P. Berrangé wrote:
> As a general rule any time we switch() on something that is an enum, we
> want to have a case for every enum constant. The -Wswitch warning will
> report any switch where we've violated this rule, except if that switch
> has a default case.
> Unfortunately it is reasonable to want to list all enum constants *and*
> also have a default case. To get a warning in that scenario requires
> that we turn on -Wswitch-enum.
> In a few cases where we explicitly don't want to list all enum cases, we
> can discard the enum type checking by casting the value to a plain int.
> Signed-off-by: Daniel P. Berrangé <berra...@redhat.com>
> ---
>  m4/virt-compile-warnings.m4 | 7 +++++--
>  1 file changed, 5 insertions(+), 2 deletions(-)

Reviewed-by: John Ferlan <jfer...@redhat.com>


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