ifneq ($(strip $(INSTALL_HEADERS_ADT)),)
$(INSTALL) -m u+rw,a+r $(addprefix $(srcdir)/,$(INSTALL_HEADERS_ADT)) $(INCLUDEDIR)/adt
endif
ifneq ($(strip $(INSTALL_HEADERS_ADT)),)
$(INSTALL) -m u+rw,a+r $(addprefix $(srcdir)/,$(INSTALL_HEADERS_ADT)) $(INCLUDEDIR)/adt
endif