debian_transform_files = $(patsubst %,$(DEB_TRANSFORM_FILES_DIR)%,$(1))
undebian_transform_files = $(patsubst $(DEB_TRANSFORM_FILES_DIR)%,%,$(1))
debian_transform_files = $(patsubst %,$(DEB_TRANSFORM_FILES_DIR)%,$(1))
undebian_transform_files = $(patsubst $(DEB_TRANSFORM_FILES_DIR)%,%,$(1))