-sourcefiles := $(filter-out $(sourceincludes),$(shell $(FIND) $(FINDOPTS) $(foreach dir,$(SRCDIR),$(call quote,$(dir))) -type f '(' $(FINDRULES) ')'))
+sourcefiles := $(filter-out $(sourceincludes),$(shell $(FIND) $(foreach dir,$(SRCDIR),$(call quote,$(dir))) -type f '(' $(FINDRULES) ')'))