question about gtype-desc.c

[Basile Starynkevitch]

On Tue, 2014-02-04 at 23:07 +0000, Iyer, Balaji V wrote:
> 
> > -----Original Message-----
> > From: Jakub Jelinek [mailto:jakub@redhat.com]
> > Sent: Tuesday, February 4, 2014 5:36 PM
> > To: Iyer, Balaji V
> > Cc: gcc@gcc.gnu.org
> > Subject: Re: question about gtype-desc.c
> > 
> > On Tue, Feb 04, 2014 at 10:26:20PM +0000, Iyer, Balaji V wrote:
> > > > > gtype-desc.c:8176: error: âstruct gimple_omp_for_iterâ has no
> > > > > member named âloop_countâ
> > > > > gtype-desc.c:8178: error: âstruct gimple_omp_for_iterâ has no
> > > > > member named âgrainâ
> > > > >
> > > > > These files are in the build directory. I deleted everything and
> > > > > reconfigured
> > > > but the error reappears.
[...]
> > What you did should be more than enough.  But then, I didn't see
> > loop_count nor grain fields of gimple_omp_for_iter in your previously
> > posted patches (only your ChangeLog mentioned it).  So, if you start with
> > wiping up the build directory, I think you have to grep where the fields
> > appear.
> > 
> 
> OK. Found the issue. I had the 2 fields enclosed inside a #if 0 and #endif
> 
> I guess whatever that is reading the fields to create gtype-desc.c does not understand C/C++ pre-processing, and thus it didn't ignore the fields in between #if 0.
[...]

Yes. gengtype, the utility creating gtype-desc.c, does not care about
the C++ preprocessing. Ideally, I believe it should, but that is hard
work.
-- 
Basile STARYNKEVITCH         http://starynkevitch.net/Basile/
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