1 files changed, 3 insertions, 2 deletions
diff --git a/Makefile b/Makefile
index 1a9a4dbbf05..5db2e0e3356 100644
--- a/Makefile
+++ b/Makefile
@@ -570,8 +570,9 @@ $(VERSION_FILE):
 
 $(TIMESTAMP_FILE):
 		@mkdir -p $(dir $(TIMESTAMP_FILE))
-		@LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"' > $@
-		@LC_ALL=C date +'#define U_BOOT_TIME "%T"' >> $@
+		@LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"' > [email protected]
+		@LC_ALL=C date +'#define U_BOOT_TIME "%T"' >> [email protected]
+		@cmp -s $@ [email protected] && rm -f [email protected] || mv -f [email protected] $@
 
 easylogo env gdb:
 	$(MAKE) -C tools/$@ all MTD_VERSION=${MTD_VERSION}