Hi Masaki, > I failed to build the HEAD of binutils. > $ cvs -d :pserver:anoncvs@sources.redhat.com:/cvs/src export -d > binutils-head -r HEAD binutils This is the wrong thing to check out. Please try this version of the command instead: cvs -d :pserver:anoncvs@sourceware.org:/cvs/src co binutils Cheers Nick