make: Entering directory `/home/buildroot/buildroot-test/instance-0/buildroot'
Makefile:557: *** xorgproto is in the dependency chain of xlib_libxshmfence that has added it to its _DEPENDENCIES variable without selecting it or depending on it from Config.in.  Stop.
make: *** [_all] Error 2
make: Leaving directory `/home/buildroot/buildroot-test/instance-0/buildroot'