r254309 build kernel error

[Kong, Dev]

 make TARGET_ARCH=arm KERNCONF=CUBIEBOARD buildkernel

cc  -c -O -pipe -std=c99 -g -Wall -Wredundant-decls -Wnested-externs
-Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith -Winline
-Wcast-qual -Wundef -Wno-pointer-sign -fformat-extensions
-Wmissing-include-dirs -fdiagnostics-show-option
-Wno-error-tautological-compare -Wno-error-empty-body
-Wno-error-parentheses-equality -nostdinc -I. -I/usr/home/yarshure/src/sys
-I/usr/home/yarshure/src/sys/contrib/altq
-I/usr/home/yarshure/src/sys/contrib/ipfilter
-I/usr/home/yarshure/src/sys/dev/ath
-I/usr/home/yarshure/src/sys/dev/ath/ath_hal
-I/usr/home/yarshure/src/sys/contrib/dev/ath/ath_hal
-I/usr/home/yarshure/src/sys/contrib/ngatm
-I/usr/home/yarshure/src/sys/dev/twa -I/usr/home/yarshure/src/sys/dev/cxgb
-I/usr/home/yarshure/src/sys/dev/cxgbe
-I/usr/home/yarshure/src/sys/contrib/libfdt -D_KERNEL
-DHAVE_KERNEL_OPTION_HEADERS -include opt_global.h -funwind-tables -mllvm
-arm-enable-ehabi -ffreestanding
/usr/home/yarshure/src/sys/arm/arm/genassym.c

In file included from /usr/home/yarshure/src/sys/arm/arm/genassym.c:33:

In file included from /usr/home/yarshure/src/sys/sys/proc.h:62:

*/usr/home/yarshure/src/sys/sys/pcpu.h:188:1: **error: **static_assert
failed*

*      "compile-time assertion failed"*

CTASSERT((PAGE_SIZE / sizeof(struct pcpu)) * sizeof(struct pcpu) ==
PAGE_SIZE);

*
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*

*/usr/home/yarshure/src/sys/sys/systm.h:100:21: **note: *expanded from macro

      'CTASSERT'

#define CTASSERT(x)     _Static_assert(x, "compile-time assertion failed")

*                        ^              ~*

1 error generated.

*** Error code 1


Stop.

make: stopped in
/usr/home/yarshure/obj/arm.arm/usr/home/yarshure/src/sys/CUBIEBOARD

*** Error code 1


Stop.

make: stopped in /usr/home/yarshure/src

*** Error code 1


Stop.

make: stopped in /usr/home/yarshure/src