While compiling the ada part of itself, gcc seems to use the option "-W", which is deprecated in favour of "-Wextra": ../../xgcc -B../../ -c -g -O2 -W -Wall -gnatpg s-tasini.adb -o s-tasini.o
-- Summary: Should use -Wextra instead of -W during ada bootstrap Product: gcc Version: 4.0.0 Status: UNCONFIRMED Severity: minor Priority: P2 Component: ada AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: schnetter at aei dot mpg dot de CC: gcc-bugs at gcc dot gnu dot org GCC build triplet: i686-pc-linux-gnu GCC host triplet: i686-pc-linux-gnu GCC target triplet: i686-pc-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18871