I was just compiling the 2.4.2 kernel with Alan Cox ac13 patch and
compilation failed because there was an include in the new aic7xxx
which failed. I noticed that we do have a link db.h --> db3/db.h
so it seems like we'll need a directory link db --> db3.
db4-devel contains the link db/db_185.h -> db4/db_185.h, so it's fixed now for