[Bug testsuite/66005] libgomp make check time is excessive

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66005

--- Comment #12 from Eric Gallager <egallager at gcc dot gnu.org> ---
Note that there's a gnulib module for flock:
https://www.gnu.org/software/gnulib/manual/html_node/flock.html