http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53345 --- Comment #2 from Manuel López-Ibáñez <manu at gcc dot gnu.org> 2012-05-14 15:00:32 UTC --- A relatively simple fix is a new option OPT_Wformat_pedantic that is enabled by default. Another option is to enable Wformat by default. That doesn't sound too bad.