Hi, it looks like you miss the header /usr/include/X11/Xaw/Form.h If I am correct you need to install the package libxaw7-dev. Cheers, Didier Le 23/06/2022 à 11:24, zqn_1996 at 163.com a écrit : > Hello, > > I already sent it once and prefixed "RE" to email subject. It seems that you did > not receive. > > Alan