On Jun 26, 2016 9:12 AM, "Rich Felker" <dalias@libc.org> wrote:
>
> On Sat, Jun 18, 2016 at 06:30:17PM +0200, Szabolcs Nagy wrote:
> > * Masanori Ogino <masanori.ogino@gmail.com> [2016-06-18 22:21:58 +0900]:
> > > This week, I have tried to run libc-test [1] on Spike with the
> > > musl-based toolchain, but not succeeded. I found a minor problem with
> > > recent cpp (I will report it to the maintainer of libc-test later) but
> >
> > you have to s/-E/-E -P/ in the makefile
> >
> > i was reluctant to do this upstream as it is a non-standard flag.

Just pin minimum gcc version to 5

>
> If gcc isn't planning to fix this, I think we should find a good
> out-of-the-box workaround in libc-test. That would probably be either
> a probe for gcc needing -P, or a filter to undo whatever mangling gcc
> does without -P. It seems like a fairly trivial sed script could do
> the latter.
>
> Rich