<sys/dir.h> in applications. Maintained existing (inadequate) ifdefs for dir.h vs dirent.h in libdialog, amd and rarpd, but didn't add any new ones.
This is the current CMU sup, modified to support on-the-fly compression. It is the same sup used with NetBSD, and thus we've converged on the configuration parameters (in other words, don't be alarmed - it works fine with FreeBSD!).