20150623: In order to use the new Unix98 PTYs, and to ensure that the test set continues to pass, please add the following line to your /etc/fstab: "none /dev/pts ptyfs rw,rslabel=ptyfs 0 0" 20140801: As the ABI went under heavy changes it is not possible to do a source upgrade (make build) between: commit 7ebdb97a28234e0181f93a8b786331dda507482 Date: Sun Feb 16 20:08:20 2014 +0000 and commit f1deff716ea30b28693c16f8e48ba1a369e2e922 Date: Thu Jul 31 18:36:24 2014 +0200 WARNING: Attempting to do so will break your system beyond repair, and require a full reinstallation. You have been warned.