Ian Lance Taylor schrieb: > Georg-Johann Lay <avr@xxxxxxxx> writes: > >> Hi, when building gcc I get bunch of build warnings like these: > > This is normal when building stage 1. You should not see any warnings > when building stages 2 or 3. > > The warnings occur mainly on gcc diagnostic functions. The definitions > of the control sequences used in these functions change from time to > time. This then triggers warnings when building stage 1 with an older > version of gcc. These warnings are unimportant. > > Ian The background is bug reports like http://gcc.gnu.org/PR48896#c2 where for some people the build fails because of warnings that I don't even see with reasonable version of build GCC.
