* Patch by Gleb Natapov, 19 Sep 2003:
  Move most of the timer interrupt related PPC code to ppc_lib/interrupts.c

* Patch by Anders Larsen, 17 Sep 2003:
  Bring ARM memory layout in sync with the documentation:
  stack and malloc-heap are now located _below_ the U-Boot code
diff --git a/tools/Makefile b/tools/Makefile
index c191203..0576a3f 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -180,12 +180,14 @@
 endif
 
 environment.c:
+		@rm -f environment.c
 		ln -s ../common/environment.c environment.c
 
 environment.o: environment.c
 		$(CC) -g $(HOST_ENVIRO_CFLAGS) $(CPPFLAGS) -c $<
 
 crc32.c:
+		@rm -f crc32.c
 		ln -s ../lib_generic/crc32.c crc32.c
 
 $(LOGO_H):	bmp_logo $(LOGO_BMP)