https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103524 Bug 103524 depends on bug 98821, which changed state.
Bug 98821 Summary: modules : c++tools configures with CC but code fragments assume CXX. https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98821 What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution|--- |FIXED