The command-line option -print-multi-os-directory is undocumented.
-- Summary: -print-multi-os-directory undocumented Product: gcc Version: 4.2.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: other AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: jsm28 at gcc dot gnu dot org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25507