I'm trying to compile compat-wireless-2.6.32-rc1. Here is my term output. Not sure what's wrong. $ make make -C /lib/modules/2.6.28-11-generic/build M=/home/xxx/Desktop/compat-wireless-2.6.32-rc1 modules make[1]: Entering directory `/usr/src/linux-headers-2.6.28-11-generic' CC [M] /home/xxx/Desktop/compat-wireless-2.6.32-rc1/drivers/net/b44.o /home/xxx/Desktop/compat-wireless-2.6.32-rc1/drivers/net/b44.c: In function ‘b44_chip_reset’: /home/xxx/Desktop/compat-wireless-2.6.32-rc1/drivers/net/b44.c:1300: error: implicit declaration of function ‘DIV_ROUND_CLOSEST’ make[3]: *** [/home/xxx/Desktop/compat-wireless-2.6.32-rc1/drivers/net/b44.o] Error 1 make[2]: *** [/home/xxx/Desktop/compat-wireless-2.6.32-rc1/drivers/net] Error 2 make[1]: *** [_module_/home/xxx/Desktop/compat-wireless-2.6.32-rc1] Error 2 make[1]: Leaving directory `/usr/src/linux-headers-2.6.28-11-generic' make: *** [modules] Error 2 -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html