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90bfa2274d
Normalize the names for NeXT’s operating systems consistently. The version number bump from 2 to 3 went along with a marketing name change from “nextstep” to “openstep”, which was being honored, or not, depending on what shorthand you put in and what CPU you selected (!) Consistent with the treatment of “Solaris 1” as an alias for sunos4 and “SunOS 5” as an alias for solaris2, and also with what config.guess appears to do on these machines (which I do not have), config.sub will now emit CPU-next-nextstep, -nextstep2, -openstep3, -openstep4 no matter how it was spelled on input. These OSes historically were used with several other CPUs besides m68k and sparc, but I think one CPU for which they have a single-component shorthand, and one for which they don’t, is enough testing. Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>