diff --git a/hardsup/make_gen b/hardsup/make_gen
index 32e8a1f..3408078 100644
--- a/hardsup/make_gen
+++ b/hardsup/make_gen
@@ -19,7 +19,7 @@ libhlib.a: $(OBJ)
 	ranlib libhlib.a
 
 clean:
-	rm -f *.o *.a
+	rm -f *.o *.a *.d
 
 
 
diff --git a/hardsup/makefile_linux b/hardsup/makefile_linux
index adae6c6..7c5971a 100644
--- a/hardsup/makefile_linux
+++ b/hardsup/makefile_linux
@@ -9,6 +9,9 @@
 include ../../linux_def
 
 CC       = gcc
-CFLAGS   = -g -DLINUX $(DFORTIFY) -I. -I../.. -Wall -Wno-unused
+CFLAGS   = -g -DLINUX $(DFORTIFY) -I. -I../.. -MMD -Wall -Wno-unused
 
 include make_gen
+
+-include $(OBJ:.o=.d)
+