On Mon, 17 Jun 2024 at 19:03, Joseph Myers <josmy...@redhat.com> wrote: > > On Fri, 14 Jun 2024, Jonathan Wakely wrote: > > > Both, ideally. The libstdc++ test should definitely be fixed because > > it fails with released versions of glibc already in the wild. But > > glibc should also be fixed because it's a standards conformance issue. > > The __ctx macro used in various sys/ucontext.h headers prepends __ in > standards conformance modes (the point being to avoid breaking the API > outside such modes when we fixed the namespace issues). > > #ifdef __USE_MISC > # define __ctx(fld) fld > #else > # define __ctx(fld) __ ## fld > #endif > > (bits/sigcontext.h didn't get any such fixes as it's not included at all > in standards conformance modes, only if __USE_MISC.)
I see, thanks. So it's not a problem in C, only in C++ due to G++ defining _GNU_SOURCE. Let's just change the libstdc++ tests then.
