On Wed, 20 Jan 2016, Matt Benjamin wrote:
> Hi Ceph C++ devs,
>
> I notice building with clang lots of warnings like:
>
> 'SequencerPosition' defined as a struct here but previously declared as a
> class [-Wmismatched-tags]
> struct SequencerPosition {
> ^
> /home/mbenjamin/dev/rgw/ceph-upstream/src/os/ObjectMap.h:24:1: note: did you
> mean struct here?
> class SequencerPosition;
> ^~~~~
> struct
> 3 warnings generated.
>
> induced by -Wmismatched-tags, which apparently clang++ has by default. As a ISO C++ developer, I don't think of "struct" as a token that can be mismatched with "class" in friend or forward declaration, but clearly the authors of this warning do.
>
> I think my intuition would be to disable this warning. What do others
> think?
No arguments from me, although I wouldn't object to someone who wants to
clean up the mismatches either.
sage
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