add defines #define X11_GRAPHICS

[xyproto]

setconf -a -d config.h X11_GRAPHICS

and

setconf -d -a config.h X11_GRAPHICS

should add

#define X11_GRAPHICS

to config.h

Also:

setconf -d -a config.h X11_GRAPHICS=1

should add

#define X11_GRAPHICS=1

to config.h.