https://gcc.gnu.org/bugzilla/show_bug.cgi?id=44209 Bug 44209 depends on bug 89808, which changed state.
Bug 89808 Summary: An option to disable warning "#pragma once in main file" https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89808 What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution|--- |FIXED