[Bug bootstrap/51006] bootstrap fails on NetBSD 5.1

[redi at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51006

--- Comment #3 from Jonathan Wakely <redi at gcc dot gnu.org> 2011-11-09 
22:32:26 UTC ---
--disable-libitm is also needed to bootstrap on netbsd