Cairo driver
Cairo display driver
(under development)
based on this grass-dev thread:
http://thread.gmane.org/gmane.comp.gis.grass.devel/22786
To compile GRASS 6.3 with Cairo support, make sure you have the cairo.h include file (in Debian/Etch it's in the libcairo2-dev package)
Then build grass with:
make USE_CAIRO=1