-depfile=${depfile-`echo "$object" | sed 's,\([^/]*\)$,.deps/\1,;s/\.\([^.]*\)$/.P\1/'`}
+if test -z "$depfile"; then
+ base=`echo "$object" | sed -e 's,^.*/,,' -e 's,\.\([^.]*\)$,.P\1,'`
+ dir=`echo "$object" | sed 's,/.*$,/,'`
+ if test "$dir" = "$object"; then
+ dir=
+ fi
+ # FIXME: should be _deps on DOS.
+ depfile="$dir.deps/$base"
+fi
+