Merge OpenBSD specific changes:
- pexecute implementation replaced with the older gcc 2.95 implementation,
as gcc 2.95's collect2 relies upon an implementation behaviour which has
been lost in fu

Merge OpenBSD specific changes:
- pexecute implementation replaced with the older gcc 2.95 implementation,
as gcc 2.95's collect2 relies upon an implementation behaviour which has
been lost in further libiberty updates.
- keep the old hash table interfaces, which are used by gcc 2.95.
- keep the OpenBSD replacement for the md5 interface.
- keep the OpenBSD strl{cat,cpy} and snprinft usage.

Bump libiberty minor version due to the addition of a few new symbols.

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amd64 canonicalization
ok pvalchev@, fine deraadt@

unfuck amd64

simplify OpenBSD case by using arch(1) and sed to grab
the machine architecture. We now output amd64 instead
of x86_64 as it should be.

ok deraadt@ pvalchev@

add zaurus, fix cats entry. ok jakob@ pvalchev@ deraadt@

Clean up old mips stuff and add sgi.
ok deraadt@

cats -> arm; miod ok

Add luna88k related directories and information to the build infrastructure.

ok deraadt@, millert@, krw@ - mdoc ok jmc@

cope with MACHINE_ARCH changing from x86_64 to amd64. For now, we want
the toolchain to remain at the name x86_64. Tested on all other
architectures that care. Done as very small snippets, so that

cope with MACHINE_ARCH changing from x86_64 to amd64. For now, we want
the toolchain to remain at the name x86_64. Tested on all other
architectures that care. Done as very small snippets, so that espie does
not blow a fuse.

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revert to versions in gcc 3.3.2, those are more recent

Automatic merge

fix stupid cvs conflicts.
I think that cvs is a poor lonesome, depressive program.
The only way it has found of getting your attention is to throw
senseless conflicts that shouldn't exist in your way.

Add build pieces