+SKIPHEADERS = $(addprefix $(SUBDIR),$(SKIPHEADERS-))
+checkheaders: $(filter-out $(SKIPHEADERS:.h=.ho),$(ALLHEADERS:.h=.ho))
+
+$(HOSTOBJS): %.o: %.c
+ $(HOSTCC) $(HOSTCFLAGS) -c -o $@ $<
+
+$(HOSTPROGS): %$(HOSTEXESUF): %.o
+ $(HOSTCC) $(HOSTLDFLAGS) -o $@ $< $(HOSTLIBS)