hal/components/lcd.c: In function ‘rtapi_app_main’:
hal/components/lcd.c:106: warning: implicit declaration of function ‘snprintf’
hal/components/lcd.c:106: warning: incompatible implicit declaration of built-in function ‘snprintf’
hal/components/lcd.c: In function ‘parse_fmt’:
hal/components/lcd.c:437: warning: implicit declaration of function ‘abs’
hal/components/lcd.c:480: warning: implicit declaration of function ‘do_div’