On 06/05/2018 03:49 PM, David Malcolm wrote:
> On Tue, 2018-06-05 at 04:40 -0400, Trevor Saunders wrote:

>> You may want to look at gdb's enum-flags.h which I think already
>> implements what your doing here.
> 
> Aha!  Thanks!
> 
> Browsing the git web UI, that gdb header was introduced by Pedro Alves
> in:
>   
> https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;a=commitdiff;h=8d297bbf604c8318ffc72d5a7b3db654409c5ed9
> and the current state is here:
>   
> https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;a=blob;f=gdb/common/enum-flags.h;hb=HEAD
> 
> I'll try this out with GCC; hopefully it works with C++98.

It should -- it was written/added while GDB still required C++98.

Note I have a WIP series here:

 https://github.com/palves/gdb/commits/palves/cxx11-enum-flags

that fixes a few things, and adds a bunch of unit tests.  In
the process, it uses C++11 constructs (hence the branch's name),
but I think that can be reverted to still work with C++98.

I had seen some noises recently about GCC maybe considering
requiring C++11.  Is that reasonable to expect in this cycle?
(GDB requires GCC 4.8 or later, FWIW.)

Getting that branch into master had fallen lower on my TODO,
but if there's interest, I can try to finish it off soon, so we
can share a better baseline.  (I posted it once, but found
some issues which I fixed since but never managed to repost.)

> 
> Presumably it would be good to share this header between GCC and GDB;
> CCing Pedro; Pedro: hi!  Does this sound sane?
> (for reference, the GCC patch we're discussing here is:
>   https://gcc.gnu.org/ml/gcc-patches/2018-05/msg01685.html )

Sure!

Thanks,
Pedro Alves

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