DEP_FILES := $(join $(dir $(DEP_FILTERED)), $(addprefix ., $(notdir $(DEP_FILTERED))))
+# I (Andrew Greenwood) had to add this to compile under MinGW:
+# SEP = /
+
ifneq ($(MAKECMDGOALS),clean)
-include $(DEP_FILES)
+-include $(DEP_FILES)
endif
ifeq ($(SEP),\)