1
 2# Make sure that subdirectories built as prerequisites are actually handled
 3# properly.
 4
 5all: dir/subdir/file.a
 6
 7dir/subdir: ; @echo mkdir -p dir/subdir
 8
 9dir/subdir/file.b: dir/subdir ; @echo touch dir/subdir/file.b
10
11dir/subdir/%.a: dir/subdir/%.b ; @echo cp $< $@