Linux内核编译错误

用的是默认配置,错误如下:
init/built-in.o: In function `init_post':
/home/cy/kernel_3.0.8_Linux/init/main.c:780: undefined reference to `authorized'
drivers/built-in.o: In function `gsensor_init':
clkdev.c:(.text+0xb9a54): undefined reference to `s3c_gpio_cfgpin'
clkdev.c:(.text+0xb9a60): undefined reference to `s3c_gpio_setpull'
clkdev.c:(.text+0xb9b30): undefined reference to `s3c_gpio_cfgpin'
clkdev.c:(.text+0xb9b3c): undefined reference to `s3c_gpio_setpull'
drivers/built-in.o:(.ARM.exidx.init.text+0x0): undefined reference to `__aeabi_unwind_cpp_pr0'
drivers/built-in.o:(.ARM.exidx+0x0): undefined reference to `__aeabi_unwind_cpp_pr0'
make: *** [.tmp_vmlinux1] 错误 1
求大神!!!