compile problem

today,the problem changed,when i compile the linux again

that occurs:

In file included from include/linux/selection.h:11,

from drivers/char/tty_io.c:103:

include/linux/vt_buffer.h:19:21: asm/vga.h: No such file or directory

make[2]: *** [drivers/char/tty_io.o] 错误 1

make[1]: *** [drivers/char] 错误 2

make: *** [drivers] 错误 2

i do not why ?

who can help me ?

thank you !