[Bug 275030] buildworld fails if obj dir is NFS-mounted [patch]

From: <bugzilla-noreply_at_freebsd.org>
Date: Sun, 19 Nov 2023 09:06:40 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=275030

--- Comment #10 from Martin Birgmeier <d8zNeCFG@aon.at> ---
(In reply to Jessica Clarke from comment #4)

Could this be related to bug 249957? - There seem to be races in what make is
doing when timestamps are either truncated to seconds (over NFS) or otherwise
very close together (as mentioned in the commit you reproduced).

However, for the first case (bug 249957) I tried to add a sleep after the
config(8) which produces opt_global.h, to no avail. Maybe it was one of the
opt_global.h which are specially generated in the various kernel module obj
dirs.

-- Martin

[0]# pwd                      
/z/OBJ/FreeBSD/amd64/src/MBi/stable/14/amd64.amd64/sys/XYZZY_SMP
[0]# find . -name opt_global.h
./modules/z/SRC/FreeBSD/src/MBi/stable/14/sys/modules/pfsync/opt_global.h
./modules/z/SRC/FreeBSD/src/MBi/stable/14/sys/modules/pflog/opt_global.h
./modules/z/SRC/FreeBSD/src/MBi/stable/14/sys/modules/dtrace/fasttrap/opt_global.h
./modules/z/SRC/FreeBSD/src/MBi/stable/14/sys/modules/pf/opt_global.h
./opt_global.h
[0]#

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