Here's a stab at implementing Jan's suggestion: testing for dirent.h in
configure instead of dancing around SYSV_SYSTEM_DIR. The changes are
pretty small, and I have signed papers already anyway.
I did simplify a test that checked for MSDOS, and I have no way to test on
that platform, so I would appreciate it if someone would check to make sure
I did no harm. Thanks.
*Chad P.S. If someone would prefer unidiffs instead, just let me know.
Also, I could put together a ChangeLog entry if that would be helpful -- I
just realized that I hadn't done so, but the changes are pretty
straightforward.