Yair De la cruz schreef op 22-03-2017 16:20: > why happen this?? help me please. You must install the package ncurses-dev I believe. No, try libncurses5-dev. Next time, you can try installing: sudo apt install apt-file Then when you want to know a missing file: apt-file search -x ncurses.h$ But for now: sudo apt install libncurses5-dev