[Bug other/61257] configure should check if sys/sdt.h is usable, not just checking the existance of the header

[egallager at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61257

--- Comment #8 from Eric Gallager <egallager at gcc dot gnu.org> ---
(In reply to Eric Gallager from comment #7)
> Patch: https://gcc.gnu.org/pipermail/gcc-patches/2022-March/591704.html

Oh, this one is also relevant, too:
https://gcc.gnu.org/pipermail/gcc-patches/2022-March/591734.html