In the chain of the update of Xserver to 1.18.X.X, this port also fails to build properly: [...] /usr/bin/ld: cannot find -lGL cc: error: linker command failed with exit code 1 (use -v to see invocation) *** [libcairo.la] Error code 1
Seems to work now on 12-CURRENT (with oldstyle GNU ld) by some "magic" never docuemnted here ;-)