make showconfig
===> The following configuration options are available for virtualbox-ose-additions-5.2.12:
DBUS=on: D-Bus IPC system support
DEBUG=off: Build with debugging support
OPENGL=off: 2D/3D rendering support via OpenGL
X11=on: X11 (graphics) support
make showconfig
root@bsdbox:/usr/ports/emulators/virtualbox-ose-additions # make showconfig
===> The following configuration options are available for virtualbox-ose-additions-5.2.12:
DBUS=on: D-Bus IPC system support
DEBUG=off: Build with debugging support
OPENGL=on: 2D/3D rendering support via OpenGL
X11=on: X11 (graphics) support
===> Use 'make config' to modify these settings
root@bsdbox:/usr/ports/emulators/virtualbox-ose-additions #