Re: intprops and warnings

[Eric Blake]

On 02/06/2013 11:01 AM, Paul Eggert wrote:
> On 02/06/13 07:31, Eric Blake wrote:
>> Since then, we have started using gcc pragmas to push and pop warnings,
>> maybe we could exploit that to at least allow you to still use the
>> warning category elsewhere
> 
> By "elsewhere" I assume you mean "code that doesn't include intprops.h"?
> Or do you mean "code that is outside of calls to intprops.h macros"?
> The former we could do, but it wouldn't involve pushing and popping,
> it'd involve disabling the warning.  The latter I don't think is
> doable, even with push and pop, because in practice the pragma's actions
> are not that fine-grained.

Can't you use _Pragma to #define an expression that expands to a pragma
push, expression body, and pragma pop, all in one macro expansion?  If
so, then we have the fine-grained usage we need.  If not, then yes,
disabling the warning for the remainder of all .c files that include
"intprops.h" is probably the best we can do.

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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