compile through two directories in the "libray" directorie in 1
second: the upto-date check of libray.a will fail because it was already
touched in this very second. Slowing things down here will help.
(I seem to remember some hacking about this before, maybe in make(1),
but I don't remember, and I won't start hacking make(1) now ;-)
images using the Utah Raster Toolkit, to the NetBSD packages
collection. This was originally taken from the FreeBSD port,
but hacked around to work on NetBSD.
