mkdep -f .depend -a   -nostdinc -D_KERNEL -DKLD_MODULE -I- -DHAVE_KERNEL_OPTION_HEADERS -I. -I@ -I@/contrib/altq -I@/../include -I/usr/src/sys/i386/compile/SMPKUMBA /usr/src/sys/modules/linux/../../i386/linux/linux_dummy.c /usr/src/sys/modules/linux/../../compat/linux/linux_file.c /usr/src/sys/modules/linux/../../compat/linux/linux_getcwd.c /usr/src/sys/modules/linux/../../compat/linux/linux_ioctl.c /usr/src/sys/modules/linux/../../compat/linux/linux_ipc.c /usr/src/sys/modules/linux/../../i386/linux/linux_machdep.c /usr/src/sys/modules/linux/../../compat/linux/linux_mib.c /usr/src/sys/modules/linux/../../compat/linux/linux_misc.c /usr/src/sys/modules/linux/../../compat/linux/linux_signal.c /usr/src/sys/modules/linux/../../compat/linux/linux_socket.c /usr/src/sys/modules/linux/../../compat/linux/linux_stats.c /usr/src/sys/modules/linux/../../compat/linux/linux_sysctl.c /usr/src/sys/modules/linux/../../i386/linux/linux_sysent.c /usr/src/sys/modules/linux/../../i386/linux/linux_sysvec.c /usr/src/sys/modules/linux/../../compat/linux/linux_util.c /usr/src/sys/modules/linux/../../i386/linux/linux_ptrace.c /usr/src/sys/modules/linux/../../compat/linux/linux_uid16.c /usr/src/sys/modules/linux/../../i386/linux/imgact_linux.c
/usr/src/sys/modules/linux/../../compat/linux/linux_socket.c:37:2: #error "Unable to compile Linux-emulator due to missing COMPAT_43 option!"
/usr/src/sys/modules/linux/../../i386/linux/linux_sysvec.c:36:2: #error "Unable to compile Linux-emulator due to missing COMPAT_43 option!"
mkdep: compile failed
*** Error code 1

Stop in /usr/src/sys/modules/linux.
*** Error code 1

Stop in /usr/src/sys/modules.
*** Error code 1