以下のようにエラーが出るんだけど、どうすればいい?

# cd /usr/ports/x11-drivers/xf86-video-i810
# pwd
/usr/ports/x11-drivers/xf86-video-i810
# make
===> xf86-video-i810-1.7.4_1 is marked as broken: does not compile.
*** Error code 1

Stop in /usr/ports/x11-drivers/xf86-video-i810.