Title: #378: [RFC] Use GNULIB's compiler warning code
@jhrozek, in order to keep this PR moving ... I've decided to do not warn in case of
I'd like to hear from you whether you want a bug filled for this (as it's
happening in a few pieces of our code).
I've submit the code to our internal CI and I'll post the link as soon as I get
This PR is rebased atop of #377.
See the full comment at https://github.com/SSSD/sssd/pull/378#issuecomment-330771949