forked from Imagelibrary/rtems
<corsepiu@faw.uni-ulm.de> which attempts to detect when the UNIX port is being configured on a system without System V IPC support. This is an optional component on both FreeBSD and Linux systems. Most Linux 2.x kernels ship with it enabled but it is still a real risk. This test may have undesirable side-effects on some hosts. We will address those conflicts as they arise.