On 20 February 2012 20:32, Vincent Torri wrote: > > Hey > > I would like to know when (exact version of gcc) gnu_printf format attribute > was added It is in the manual for GCC 4.4 and not for 4.3, it looks as though it was added by this patch: http://gcc.gnu.org/ml/gcc-cvs/2008-03/msg00584.html Which would mean it was first in GCC 4.4.0