Thanks Jeff, It's possible that things would have been easier if I'd stuck to separate trees for binutils and gcc, but making them individually is no real hardship and it all works sufficiently for my needs. Now onto hp-ux, which seems to bring a whole new set of problems. I think I was misled by my experience with Solaris SPARC which just worked without any fiddling about. Regards, Jon -- View this message in context: http://gcc.1065356.n8.nabble.com/Is-it-possible-to-build-a-cross-compiler-for-AIX-6-1-on-Ubuntu-tp1314232p1318486.html Sent from the gcc - Help mailing list archive at Nabble.com.