[ovs-dev] [PATCH] configure: Enable GCC relevant new 8.x warning options.

[Ben Pfaff]

This still needs a review.

On Thu, Jun 14, 2018 at 02:49:23PM -0700, Ben Pfaff wrote:
> These don't trigger any new actual warnings in my own build.
> 
> GCC 8.x adds other new warning options that are enabled by -Wall or
> -Wextra.  This commit doesn't explicitly enable those because OVS already
> enables -Wall and -Wextra.
> 
> Signed-off-by: Ben Pfaff <blp at ovn.org>
> ---
>  configure.ac | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/configure.ac b/configure.ac
> index f0e4b51274d5..0bf8a78a9a56 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -170,6 +170,8 @@ OVS_ENABLE_OPTION([-Wshift-negative-value])
>  OVS_ENABLE_OPTION([-Wduplicated-cond])
>  OVS_ENABLE_OPTION([-Qunused-arguments])
>  OVS_ENABLE_OPTION([-Wshadow])
> +OVS_ENABLE_OPTION([-Wmultistatement-macros])
> +OVS_ENABLE_OPTION([-Wcast-align=strict])
>  OVS_CONDITIONAL_CC_OPTION([-Wno-unused], [HAVE_WNO_UNUSED])
>  OVS_CONDITIONAL_CC_OPTION([-Wno-unused-parameter], [HAVE_WNO_UNUSED_PARAMETER])
>  OVS_ENABLE_WERROR
> -- 
> 2.16.1
>