2012/7/21 Fredrik Modèen <fredrik@xxxxxxxxx>: >> What version of gcc4 is installed on there? Should be 4.6.2. > Yes it's 4.6.2 I had 4.5.3 before. I'm doing a gcc4/gcc2 build. Did you configure again? This warning is deactivated since http://cgit.haiku-os.org/haiku/commit/build/jam?id=c59b279b7173bcafb8f266aa753b2f9e6c578849 but only for 4.6+ Bye, Jérôme