You need the xlib*-dev packages. If you load up dselect (or look thru the Packages file), you'll see the descriptions for them, and it will be instantly obvious which one's are X windows include and library files. -Jay In a message dated 12/15/98 8:18:50 AM Central Standard Time, shaoz@unsw.edu.au writes: > checking for alloca... yes > checking for X... no > configure: error: Could not find the X windows files. Game over > > So what package do I need to install?? >