diff --git a/GRRLIB/GRRLIB/Makefile b/GRRLIB/GRRLIB/Makefile
index 01d1ac9..bfb09a7 100644
--- a/GRRLIB/GRRLIB/Makefile
+++ b/GRRLIB/GRRLIB/Makefile
@@ -28,15 +28,18 @@ CFLAGS  := -O2 -Wall $(MACHDEP) $(INCLUDE)
 LIB		:= grrlib
 CFILES	:= $(wildcard *.c)
 OFILES	:= $(CFILES:.c=.o)
+DEPENDS	:= $(OFILES:.o=.d)
 ARC		:= lib$(LIB).a
 HDR		:= $(LIB).h
 INL		:= $(wildcard $(LIB)/*.h)
 
+export DEPSDIR := $(CURDIR)
+
 all : $(OFILES)
 	$(AR) -r $(ARC) $(OFILES)
 
 clean :
-	rm -f $(OFILES) $(ARC)
+	rm -f $(OFILES) $(DEPENDS) $(ARC)
 
 install :
 	mkdir -p  $(INSTALL_LIB)  $(INSTALL_INC)  $(INSTALL_INC)/grrlib
diff --git a/GRRLIB/lib/pngu/Makefile b/GRRLIB/lib/pngu/Makefile
index dfa6631..2060d9a 100644
--- a/GRRLIB/lib/pngu/Makefile
+++ b/GRRLIB/lib/pngu/Makefile
@@ -25,14 +25,17 @@ CFLAGS  := -O2 -Wall $(MACHDEP) $(INCLUDE)
 LIB 	:= pngu
 CFILES	:= $(wildcard *.c)
 OFILES	:= $(CFILES:.c=.o)
+DEPENDS	:= $(OFILES:.o=.d)
 ARC 	:= lib$(LIB).a
 HDR 	:= $(LIB).h
 
+export DEPSDIR := $(CURDIR)
+
 all : $(OFILES)
 	$(AR) -r $(ARC) $(OFILES)
 
 clean :
-	rm -f $(OFILES) $(ARC)
+	rm -f $(OFILES) $(DEPENDS) $(ARC)
 
 install :
 	mkdir -p  $(INSTALL_LIB)  $(INSTALL_INC)