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

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

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

--- Comment #13 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
And fcntl in tclx.  Anyway, I think choosing between flock(1) and some python
file locking would be better than using perl which is only needed in maintainer
mode and not otherwise.