config.guess says "m68k-apple-netbsd1.6", and that's fine.
HostVendor_CPP='unknown'
HostOS_CPP='openbsd'
;;
+m68k-apple-netbsd*)
+ HostPlatform=m68k-apple-netbsd
+ TargetPlatform=m68k-apple-netbsd
+ BuildPlatform=m68k-apple-netbsd
+ HostPlatform_CPP='m68k_apple_netbsd'
+ HostArch_CPP='m68k'
+ HostVendor_CPP='apple'
+ HostOS_CPP='netbsd'
+ ;;
m68k-sun-sunos4*)
HostPlatform=m68k-sun-sunos4
TargetPlatform=m68k-sun-sunos4 #hack