* build-all.mk: If canonhost is i386-unknown-sco3.2v4, change it
to i386-sco3.2v4. Set TARGETS and CFLAGS for i386-sco3.2v4.
(all-cygnus, native, build-cygnus): Make
$(canonhost)-stamp-3stage-done, not $(host)....
* test-build.mk (stamp-3stage-compared): Use tail +10c for
i386-sco3.2v4. Added else true to if command.
native only
* test-build.mk: handle partial holes in a more generic manner
* Makefile.in: m4 depends on libiberty
also updated dates in test-build.mk and build-all.mk
locations, pass them down to the programs that need this info
* build-all.mk: added a 'native' target, to 3stage the native toolchain
(also updated dates in test-build.mk and build-all.mk)