[Bug 259787] sched.h: unknown type name 'cpu_set_t' after 160b4b922b6021848b6b48afc894d16b879b7af2

From: <bugzilla-noreply_at_freebsd.org>
Date: Thu, 16 Dec 2021 18:20:34 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=259787

--- Comment #34 from Stefan E├čer <se@FreeBSD.org> ---
(In reply to Jan Beich from comment #33)

Yes, I noticed that there had been no MFC to -STABLE yet.

But the latest sched.h in -CURRENT has caused a number of issues in ports:

Not depending on _WITH_CPU_SET_T causes some ports to assume that a number of
GLIBC specific macros or functions are available.

And there are conflicting requirements: the lang/gcc* ports fail if cpuset.h is
included and defines the CPU_ALLOC() macro, while libvirt assumes that a number
of GLIBC specific macros exist, including CPU_ALLOC() ...

The definitions of CPU_AND in GLIBC and CPU_AND2 in FreeBSD have the same
signatures, but CPU_AND exists in FreeBSD with different parameters.

I do not know how these issues can be fixed. The attempt to provide better
compatibility with GLIBC leads to port failures since full compatibility is
assumed by many ports that detect partial compatibility.

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