CONFIG_COMPAT is not available for the selected architecture x86.
Result is shown for architecture sparc or 64BIT

CONFIG_COMPAT (not configurable)

modulename: compat.ko

and/or

compat_linux.ko

and/or

compat_syscall_table.ko

and/or

compat_signal.ko

and/or

vdso-image-32.ko

and/or

sys32.ko

and/or

callchain_32.ko

and/or

ptrace32.ko

and/or

sys_ppc32.ko

and/or

sigreturn32.ko

configname: CONFIG_COMPAT

Linux Kernel Configuration
└─>COMPAT
In linux kernel since version 2.6.12 )
selects
CONFIG_HAVE_UID16
CONFIG_ARCH_WANT_OLD_COMPAT_IPC
CONFIG_COMPAT_OLD_SIGACTION

depends
CONFIG_SPARC64
NOT CONFIG_LD_IS_LLD