EXTRA_DIST += $(addsuffix .orc,$(ORC_SOURCE))
+if HAVE_ORC
ORC_BUILT_SOURCE = $(addsuffix -orc-gen.c,$(ORC_SOURCE))
ORC_BUILT_HEADER = $(addsuffix -orc-gen.h,$(ORC_SOURCE))
%-orc-gen.h: %.orc
@mkdir -p $(@D)
$(orcc_v_gen)$(ORCC) --header -o $@ $<
+endif