https://gcc.gnu.org/bugzilla/show_bug.cgi?id=127651
--- Comment #3 from Itamar Turner-Trauring <itamar at pythonspeed dot com> --- As an example of how you can turn cgroups settings into a number of cores, see https://github.com/seanmonstar/num_cpus/blob/master/src/linux.rs (in Rust, but same basic idea as what libgomp should have).
