http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53345
Bug #: 53345 Summary: some OPT_Wformat is enabled by default Classification: Unclassified Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: objc AssignedTo: unassig...@gcc.gnu.org ReportedBy: m...@gcc.gnu.org If a warning is controlled by warn_format, then it is disabled by default. However, cl_options[OPT_Wformat] is initialized to -1 by optc-gen.awk, so anything not checking warn_format is enabled by default. What a mess... :-(