Bring some important updates from NetBSD up to about 2008/04/25.
The main feature is initial support for C99.
This is a very basic update to make it easier to merge new
compiler attirbutes but more updates are likely to follow.
Obtained from: NetBSD
MFC after: 2 weeks
This includes:
o All directories named *ia64*
o All files named *ia64*
o All ia64-specific code guarded by __ia64__
o All ia64-specific makefile logic
o Mention of ia64 in comments and documentation
This excludes:
o Everything under contrib/
o Everything under crypto/
o sys/xen/interface
o sys/sys/elf_common.h
Discussed at: BSDcan
