CONFIG_M68KCLASSIC is not available for thedefaultarchitecture x86.
Result is shown for architecture m68k
Classic M68K CPU family support
configname: CONFIG_M68KCLASSIC
CPU family support
└─>Classic M68K CPU family support
In linux kernel since version 3.1 (release Date: 2011-10-24)
is selected by
CONFIG_KEXECCONFIG_M68000
CONFIG_M68020
CONFIG_M68030
CONFIG_M68040
CONFIG_M68060
CONFIG_M68328
CONFIG_M68EZ328
CONFIG_M68VZ328
CONFIG_AMIGA
CONFIG_ATARI
CONFIG_MAC
CONFIG_APOLLO
CONFIG_VME
CONFIG_MVME147
CONFIG_MVME16x
CONFIG_BVME6000
CONFIG_HP300
CONFIG_SUN3X
CONFIG_Q40
CONFIG_SUN3
CONFIG_VIRT
CONFIG_PILOT3
CONFIG_UCSIMM
CONFIG_UCDIMM
CONFIG_DRAGEN2