-ifneq "$(strip $(filter -DDEBUG,$(GhcHcOpts)))" ""
-PACKAGE_CPP_OPTS += -DDEBUG -DUSING_LIBBFD
+ifneq "$(strip $(filter -optc-DDEBUG,$(GhcRtsHcOpts)))" ""
+PACKAGE_CPP_OPTS += -DDEBUG
+endif
+
+ifeq "$(HaveLibMingwEx)" "YES"
+PACKAGE_CPP_OPTS += -DHAVE_LIBMINGWEX