On Thu, 1 Feb 2024, Marek Polacek wrote:
> On Wed, Jan 31, 2024 at 11:39:56PM -0800, Andi Kleen wrote:
> > > This will run the test only once with -std=c++11. We'll get better
> > > coverage
> > > with dropping the line above and using
> > >
> > > /* { dg-do compile { target { tail_call && { c || c++11 } } } } */
> > >
> > > but here it may not matter.
> >
> > The problem is that older C/C++ standards don't support [[]] attributes.
> > It would make sense to say >= gnu++11 || >= c23 but I don't know how to
> > express that.
>
> That's what the c++11 target does. Unfortunately for C we don't have
> anything like that, hence the additional-options adding c23.
For C we don't loop over the testsuite building with different standard
options - such a conditional only makes sense for C++ in the context of
building the same tests several times for different standards, when some
tests need to be conditional on the standard for which they are built.
--
Joseph S. Myers
josmy...@redhat.com
