Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
just rerun ./config.status by hand.
If you go back and forth between different versions of your code you
-can sometimes find that `make' complains that one of your Subdir.sd.mk
+can sometimes find that `make' complains that one of your Dir.sd.mk
files is missing: typically, if iot was used and therefore a
dependency in some other version of your code. If you run `make
clean' (or `make realclean') these dependencies are suppressed, which