Egbert Jan van den Bussche wrote: > Thanks Brian. I went back just one release (GCC 4.2.2) and building > AVR-GCC is OK again. I'll try to investigate bit more. I did use the > 2.18 binutils which compiled just fine on the same machine. There was an Since binutils and gcc are not released in sync, you may require something newer than 2.18 (which was released 2007-08-28) to go with 4.2.3 (released 2008-02-01.) > issue some time ago (in the 4.1.1 era) with libssp. Maybe I was bitten > by that. During Configure you must specify --disable-libssp. This comes > all from the avwiki (avrwiki.com) and I have no idea what libssp does. libssp is a library that's part of the stack-smashing protection system that's activated with -fstack-check. It isn't available on all targets, and it's likely that AVR is one such target. Ideally it should default to disabled for those targets that don't support it, but sometimes those details aren't looked after. I don't think this is related. Brian