Update U-Boot's build timestamp on every compile

Use the GNU 'date' command to auto-generate a new U-Boot
timestamp on every compile.

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>

47 files changed, 135 insertions, 52 deletions

diff --git a/Makefile b/Makefile
index 4eff1b5d2a2..11fc3b76a46 100644
--- a/Makefile
+++ b/Makefile
@@ -30,6 +30,7 @@ U_BOOT_VERSION = $(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION)
 else
 U_BOOT_VERSION = $(VERSION).$(PATCHLEVEL)$(EXTRAVERSION)
 endif
+TIMESTAMP_FILE = $(obj)include/timestamp_autogenerated.h
 VERSION_FILE = $(obj)include/version_autogenerated.h
 
 HOSTARCH := $(shell uname -m | \
@@ -261,7 +262,7 @@ LIBS += api/libapi.a
 LIBS += post/libpost.a
 
 LIBS := $(addprefix $(obj),$(LIBS))
-.PHONY : $(LIBS) $(VERSION_FILE)
+.PHONY : $(LIBS) $(TIMESTAMP_FILE) $(VERSION_FILE)
 
 LIBBOARD = board/$(BOARDDIR)/lib$(BOARD).a
 LIBBOARD := $(addprefix $(obj),$(LIBBOARD))
@@ -353,13 +354,13 @@ $(SUBDIRS):	depend $(obj)include/autoconf.mk
 $(LDSCRIPT):	depend $(obj)include/autoconf.mk
 		$(MAKE) -C $(dir $@) $(notdir $@)
 
-$(NAND_SPL):	$(VERSION_FILE)	$(obj)include/autoconf.mk
+$(NAND_SPL):	$(TIMESTAMP_FILE) $(VERSION_FILE) $(obj)include/autoconf.mk
 		$(MAKE) -C nand_spl/board/$(BOARDDIR) all
 
 $(U_BOOT_NAND):	$(NAND_SPL) $(obj)u-boot.bin $(obj)include/autoconf.mk
 		cat $(obj)nand_spl/u-boot-spl-16k.bin $(obj)u-boot.bin > $(obj)u-boot-nand.bin
 
-$(ONENAND_IPL):	$(VERSION_FILE)	$(obj)include/autoconf.mk
+$(ONENAND_IPL):	$(TIMESTAMP_FILE) $(VERSION_FILE) $(obj)include/autoconf.mk
 		$(MAKE) -C onenand_ipl/board/$(BOARDDIR) all
 
 $(U_BOOT_ONENAND):	$(ONENAND_IPL) $(obj)u-boot.bin $(obj)include/autoconf.mk
@@ -372,6 +373,10 @@ $(VERSION_FILE):
 		 ) > $@.tmp
 		@cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@
 
+$(TIMESTAMP_FILE):
+		@date +'#define U_BOOT_DATE "%b %d %C%y"' > $@
+		@date +'#define U_BOOT_TIME "%T"' >> $@
+
 gdbtools:
 		$(MAKE) -C tools/gdb all || exit 1
 
@@ -381,7 +386,7 @@ updater:
 env:
 		$(MAKE) -C tools/env all MTD_VERSION=${MTD_VERSION} || exit 1
 
-depend dep:	$(VERSION_FILE)
+depend dep:	$(TIMESTAMP_FILE) $(VERSION_FILE)
 		for dir in $(SUBDIRS) ; do $(MAKE) -C $$dir _depend ; done
 
 TAG_SUBDIRS += include
@@ -462,7 +467,7 @@ sinclude $(obj)include/autoconf.mk.dep
 else	# !config.mk
 all $(obj)u-boot.hex $(obj)u-boot.srec $(obj)u-boot.bin \
 $(obj)u-boot.img $(obj)u-boot.dis $(obj)u-boot \
-$(SUBDIRS) $(VERSION_FILE) gdbtools updater env depend \
+$(SUBDIRS) $(TIMESTAMP_FILE) $(VERSION_FILE) gdbtools updater env depend \
 dep tags ctags etags cscope $(obj)System.map:
 	@echo "System not configured - see README" >&2
 	@ exit 1
@@ -3274,7 +3279,7 @@ clean:
 	@rm -f $(obj)include/bmp_logo.h
 	@rm -f $(obj)nand_spl/{u-boot-spl,u-boot-spl.map,System.map}
 	@rm -f $(obj)onenand_ipl/onenand-{ipl,ipl.bin,ipl-2k.bin,ipl-4k.bin,ipl.map}
-	@rm -f $(obj)api_examples/demo $(VERSION_FILE)
+	@rm -f $(obj)api_examples/demo $(TIMESTAMP_FILE) $(VERSION_FILE)
 	@find $(OBJTREE) -type f \
 		\( -name 'core' -o -name '*.bak' -o -name '*~' \
 		-o -name '*.o'	-o -name '*.a'	\) -print \
diff --git a/board/bmw/bmw.c b/board/bmw/bmw.c
index b629c38272d..41ce14f653d 100644
--- a/board/bmw/bmw.c
+++ b/board/bmw/bmw.c
@@ -28,7 +28,7 @@
 #include <malloc.h>
 #include <devices.h>
 #include <net.h>
-#include <version.h>
+#include <timestamp.h>
 #include <dtt.h>
 #include <mpc824x.h>
 #include <asm/processor.h>
@@ -45,7 +45,7 @@ int checkboard(void)
     char  buf[32];
 
     puts ("Board: BMW MPC8245/KAHLUA2 - CHRP (MAP B)\n");
-    printf("Built: %s at %s\n", __DATE__ , __TIME__ );
+    printf("Built: %s at %s\n", U_BOOT_DATE, U_BOOT_TIME);
     /* printf("MPLD:  Revision %d\n", SYS_REVID_GET()); */
     printf("Local Bus at %s MHz\n", strmhz(buf, busfreq));
     return 0;
diff --git a/board/eXalion/eXalion.c b/board/eXalion/eXalion.c
index 34538c4a18a..c17498f0649 100644
--- a/board/eXalion/eXalion.c
+++ b/board/eXalion/eXalion.c
@@ -31,6 +31,7 @@
 #include <pci.h>
 #include <ide.h>
 #include <netdev.h>
+#include <timestamp.h>
 #include "piix_pci.h"
 #include "eXalion.h"
 
@@ -40,7 +41,7 @@ int checkboard (void)
 	char buf[32];
 
 	printf ("Board: eXalion MPC824x - CHRP (MAP B)\n");
-	printf ("Built: %s at %s\n", __DATE__, __TIME__);
+	printf ("Built: %s at %s\n", U_BOOT_DATE, U_BOOT_TIME);
 	printf ("Local Bus:  %s MHz\n", strmhz (buf, busfreq));
 
 	return 0;
diff --git a/board/lwmon/lwmon.c b/board/lwmon/lwmon.c
index d062466c0f6..878752c6691 100644
--- a/board/lwmon/lwmon.c
+++ b/board/lwmon/lwmon.c
@@ -762,12 +762,13 @@ static uchar *key_match (uchar *kbd_data)
 #ifdef CONFIG_LCD_INFO
 #include <lcd.h>
 #include <version.h>
+#include <timestamp.h>
 
 void lcd_show_board_info(void)
 {
 	char temp[32];
 
-	lcd_printf ("%s (%s - %s)\n", U_BOOT_VERSION, __DATE__, __TIME__);
+	lcd_printf ("%s (%s - %s)\n", U_BOOT_VERSION, U_BOOT_DATE, U_BOOT_TIME);
 	lcd_printf ("(C) 2008 DENX Software Engineering GmbH\n");
 	lcd_printf ("    Wolfgang DENK, wd@denx.de\n");
 #ifdef CONFIG_LCD_INFO_BELOW_LOGO
diff --git a/board/mousse/mousse.c b/board/mousse/mousse.c
index 6a12b576e0a..bd8d1c6f053 100644
--- a/board/mousse/mousse.c
+++ b/board/mousse/mousse.c
@@ -30,6 +30,7 @@
 #include <mpc824x.h>
 #include <netdev.h>
 #include <asm/processor.h>
+#include <timestamp.h>
 
 #include "mousse.h"
 #include "m48t59y.h"
@@ -42,7 +43,7 @@ int checkboard (void)
 	char buf[32];
 
 	puts ("Board: MOUSSE MPC8240/KAHLUA - CHRP (MAP B)\n");
-	printf ("Built: %s at %s\n", __DATE__, __TIME__);
+	printf ("Built: %s at %s\n", U_BOOT_DATE, U_BOOT_TIME);
 	printf ("MPLD:  Revision %d\n", SYS_REVID_GET ());
 	printf ("Local Bus:  %s MHz\n", strmhz (buf, busfreq));
 
diff --git a/board/netstar/eeprom.c b/board/netstar/eeprom.c
index 0de594b65f2..5806128cf1a 100644
--- a/board/netstar/eeprom.c
+++ b/board/netstar/eeprom.c
@@ -26,6 +26,7 @@
 
 #include <common.h>
 #include <exports.h>
+#include <timestamp.h>
 #include "../drivers/net/smc91111.h"
 
 #define SMC_BASE_ADDRESS CONFIG_SMC91111_BASE
@@ -173,7 +174,7 @@ int eeprom(int argc, char *argv[])
 	/* Print help message */
 	if (argv[1][1] == 'h') {
 		printf("VoiceBlue EEPROM writer\n");
-		printf("Built: %s at %s\n", __DATE__ , __TIME__ );
+		printf("Built: %s at %s\n", U_BOOT_DATE, U_BOOT_TIME);
 		printf("Usage:\n\t<mac_address> [<element_1>] [<...>]\n");
 		return 0;
 	}
diff --git a/board/sandburst/karef/karef.c b/board/sandburst/karef/karef.c
index 7909d34058c..8d97a9c3577 100644
--- a/board/sandburst/karef/karef.c
+++ b/board/sandburst/karef/karef.c
@@ -26,6 +26,7 @@
 #include <command.h>
 #include "karef.h"
 #include "karef_version.h"
+#include <timestamp.h>
 #include <asm/processor.h>
 #include <asm/io.h>
 #include <spd_sdram.h>
@@ -299,7 +300,7 @@ int checkboard (void)
 		"Serial Number: %d\n", sernum);
 	printf ("%s\n", KAREF_U_BOOT_REL_STR);
 
-	printf ("Built %s %s by %s\n", __DATE__, __TIME__, BUILDUSER);
+	printf ("Built %s %s by %s\n", U_BOOT_DATE, U_BOOT_TIME, BUILDUSER);
 	if (sbcommon_get_master()) {
 		printf("Slot 0 - Master\nSlave board");
 		if (sbcommon_secondary_present())
@@ -366,7 +367,8 @@ int misc_init_r (void)
 	setenv("ubrelver", KAREF_U_BOOT_REL_STR);
 
 	memset(envstr, 0, 255);
-	sprintf (envstr, "Built %s %s by %s", __DATE__, __TIME__, BUILDUSER);
+	sprintf (envstr, "Built %s %s by %s",
+		 U_BOOT_DATE, U_BOOT_TIME, BUILDUSER);
 	setenv("bldstr", envstr);
 	saveenv();
 
diff --git a/board/sandburst/metrobox/metrobox.c b/board/sandburst/metrobox/metrobox.c
index c3c44593a80..19302dc61e0 100644
--- a/board/sandburst/metrobox/metrobox.c
+++ b/board/sandburst/metrobox/metrobox.c
@@ -25,6 +25,7 @@
 #include <command.h>
 #include "metrobox.h"
 #include "metrobox_version.h"
+#include <timestamp.h>
 #include <asm/processor.h>
 #include <asm/io.h>
 #include <spd_sdram.h>
@@ -270,7 +271,7 @@ int checkboard (void)
 	printf ("Board: Sandburst Corporation MetroBox Serial Number: %d\n", sernum);
 	printf ("%s\n", METROBOX_U_BOOT_REL_STR);
 
-	printf ("Built %s %s by %s\n", __DATE__, __TIME__, BUILDUSER);
+	printf ("Built %s %s by %s\n", U_BOOT_DATE, U_BOOT_TIME, BUILDUSER);
 	if (sbcommon_get_master()) {
 		printf("Slot 0 - Master\nSlave board");
 		if (sbcommon_secondary_present())
@@ -335,7 +336,8 @@ int misc_init_r (void)
 	setenv("ubrelver", METROBOX_U_BOOT_REL_STR);
 
 	memset(envstr, 0, 255);
-	sprintf (envstr, "Built %s %s by %s", __DATE__, __TIME__, BUILDUSER);
+	sprintf (envstr, "Built %s %s by %s",
+		 U_BOOT_DATE, U_BOOT_TIME, BUILDUSER);
 	setenv("bldstr", envstr);
 	saveenv();
 
diff --git a/board/tqc/tqm8xx/tqm8xx.c b/board/tqc/tqm8xx/tqm8xx.c
index d8a19a4ce0f..e065d69dd46 100644
--- a/board/tqc/tqm8xx/tqm8xx.c
+++ b/board/tqc/tqm8xx/tqm8xx.c
@@ -571,12 +571,13 @@ void ide_led (uchar led, uchar status)
 #ifdef CONFIG_LCD_INFO
 #include <lcd.h>
 #include <version.h>
+#include <timestamp.h>
 
 void lcd_show_board_info(void)
 {
 	char temp[32];
 
-	lcd_printf ("%s (%s - %s)\n", U_BOOT_VERSION, __DATE__, __TIME__);
+	lcd_printf ("%s (%s - %s)\n", U_BOOT_VERSION, U_BOOT_DATE, U_BOOT_TIME);
 	lcd_printf ("(C) 2008 DENX Software Engineering GmbH\n");
 	lcd_printf ("    Wolfgang DENK, wd@denx.de\n");
 #ifdef CONFIG_LCD_INFO_BELOW_LOGO
diff --git a/board/trab/trab_fkt.c b/board/trab/trab_fkt.c
index 7273ef97b65..93b9490e1ce 100644
--- a/board/trab/trab_fkt.c
+++ b/board/trab/trab_fkt.c
@@ -25,6 +25,7 @@
 
 #include <common.h>
 #include <exports.h>
+#include <timestamp.h>
 #include <s3c2400.h>
 #include "tsc2000.h"
 #include "rs485.h"
@@ -296,7 +297,7 @@ int trab_fkt (int argc, char *argv[])
 int do_info (void)
 {
 	printf ("Stand-alone application for TRAB board function test\n");
-	printf ("Built: %s at %s\n", __DATE__ , __TIME__ );
+	printf ("Built: %s at %s\n", U_BOOT_DATE, U_BOOT_TIME);
 
 	return 0;
 }
diff --git a/board/voiceblue/eeprom.c b/board/voiceblue/eeprom.c
index d8ea6e5731c..f01597ad105 100644
--- a/board/voiceblue/eeprom.c
+++ b/board/voiceblue/eeprom.c
@@ -26,6 +26,7 @@
 
 #include <common.h>
 #include <exports.h>
+#include <timestamp.h>
 #include "../drivers/net/smc91111.h"
 
 #define SMC_BASE_ADDRESS CONFIG_SMC91111_BASE
@@ -169,7 +170,7 @@ int eeprom(int argc, char *argv[])
 	/* Print help message */
 	if (argv[1][1] == 'h') {
 		printf("VoiceBlue EEPROM writer\n");
-		printf("Built: %s at %s\n", __DATE__ , __TIME__ );
+		printf("Built: %s at %s\n", U_BOOT_DATE, U_BOOT_TIME);
 		printf("Usage:\n\t<mac_address> [<element_1>] [<...>]\n");
 		return 0;
 	}
diff --git a/cpu/74xx_7xx/start.S b/cpu/74xx_7xx/start.S
index b5484e37455..792cd308566 100644
--- a/cpu/74xx_7xx/start.S
+++ b/cpu/74xx_7xx/start.S
@@ -34,6 +34,7 @@
  */
 #include <config.h>
 #include <74xx_7xx.h>
+#include <timestamp.h>
 #include <version.h>
 
 #include <ppc_asm.tmpl>
@@ -87,7 +88,7 @@
 	.globl	version_string
 version_string:
 	.ascii	U_BOOT_VERSION
-	.ascii	" (", __DATE__, " - ", __TIME__, ")"
+	.ascii	" (", U_BOOT_DATE, " - ", U_BOOT_TIME, ")"
 	.ascii	CONFIG_IDENT_STRING, "\0"
 
 	. = EXC_OFF_SYS_RESET
diff --git a/cpu/leon2/start.S b/cpu/leon2/start.S
index 9b5d83ea50f..b1f1eb5f3ce 100644
--- a/cpu/leon2/start.S
+++ b/cpu/leon2/start.S
@@ -27,6 +27,7 @@
 #include <asm/psr.h>
 #include <asm/stack.h>
 #include <asm/leon.h>
+#include <timestamp.h>
 #include <version.h>
 
 /* Entry for traps which jump to a programmer-specified trap handler.  */
@@ -199,7 +200,7 @@ _trap_table:
 	.globl	version_string
 version_string:
 	.ascii U_BOOT_VERSION
-	.ascii " (", __DATE__, " - ", __TIME__, ")"
+	.ascii " (", U_BOOT_DATE, " - ", U_BOOT_TIME, ")"
 	.ascii CONFIG_IDENT_STRING, "\0"
 
 	.section	".text"
diff --git a/cpu/leon3/start.S b/cpu/leon3/start.S
index 7afe10e5f28..bd634bd0c2d 100644
--- a/cpu/leon3/start.S
+++ b/cpu/leon3/start.S
@@ -27,6 +27,7 @@
 #include <asm/psr.h>
 #include <asm/stack.h>
 #include <asm/leon.h>
+#include <timestamp.h>
 #include <version.h>
 
 /* Entry for traps which jump to a programmer-specified trap handler.  */
@@ -200,7 +201,7 @@ _trap_table:
 	.globl	version_string
 version_string:
 	.ascii U_BOOT_VERSION
-	.ascii " (", __DATE__, " - ", __TIME__, ")"
+	.ascii " (", U_BOOT_DATE, " - ", U_BOOT_TIME, ")"
 	.ascii CONFIG_IDENT_STRING, "\0"
 
 	.section	".text"
diff --git a/cpu/mcf5227x/start.S b/cpu/mcf5227x/start.S
index 93872507b13..0c9c89c4021 100644
--- a/cpu/mcf5227x/start.S
+++ b/cpu/mcf5227x/start.S
@@ -22,6 +22,7 @@
  */
 
 #include <config.h>
+#include <timestamp.h>
 #include "version.h"
 
 #ifndef	 CONFIG_IDENT_STRING
@@ -591,6 +592,6 @@ dcache_status:
 	.globl	version_string
 version_string:
 	.ascii U_BOOT_VERSION
-	.ascii " (", __DATE__, " - ", __TIME__, ")"
+	.ascii " (", U_BOOT_DATE, " - ", U_BOOT_TIME, ")"
 	.ascii CONFIG_IDENT_STRING, "\0"
 	.align 4
diff --git a/cpu/mcf523x/start.S b/cpu/mcf523x/start.S
index b70b83b3375..d44da37ec72 100644
--- a/cpu/mcf523x/start.S
+++ b/cpu/mcf523x/start.S
@@ -22,6 +22,7 @@
  */
 
 #include <config.h>
+#include <timestamp.h>
 #include "version.h"
 
 #ifndef	 CONFIG_IDENT_STRING
@@ -336,6 +337,6 @@ dcache_status:
 	.globl	version_string
 version_string:
 	.ascii U_BOOT_VERSION
-	.ascii " (", __DATE__, " - ", __TIME__, ")"
+	.ascii " (", U_BOOT_DATE, " - ", U_BOOT_TIME, ")"
 	.ascii CONFIG_IDENT_STRING, "\0"
 	.align 4
diff --git a/cpu/mcf52x2/start.S b/cpu/mcf52x2/start.S
index da45bcbbf70..ba6b8843e42 100644
--- a/cpu/mcf52x2/start.S
+++ b/cpu/mcf52x2/start.S
@@ -22,6 +22,7 @@
  */
 
 #include <config.h>
+#include <timestamp.h>
 #include "version.h"
 
 #ifndef	 CONFIG_IDENT_STRING
@@ -474,6 +475,6 @@ dcache_status:
 	.globl	version_string
 version_string:
 	.ascii U_BOOT_VERSION
-	.ascii " (", __DATE__, " - ", __TIME__, ")"
+	.ascii " (", U_BOOT_DATE, " - ", U_BOOT_TIME, ")"
 	.ascii CONFIG_IDENT_STRING, "\0"
 	.align 4
diff --git a/cpu/mcf532x/start.S b/cpu/mcf532x/start.S
index 8fa605a6442..a46c47adcaa 100644
--- a/cpu/mcf532x/start.S
+++ b/cpu/mcf532x/start.S
@@ -25,6 +25,7 @@
  */
 
 #include <config.h>
+#include <timestamp.h>
 #include "version.h"
 
 #ifndef	 CONFIG_IDENT_STRING
@@ -342,6 +343,6 @@ dcache_status:
 	.globl	version_string
 version_string:
 	.ascii U_BOOT_VERSION
-	.ascii " (", __DATE__, " - ", __TIME__, ")"
+	.ascii " (", U_BOOT_DATE, " - ", U_BOOT_TIME, ")"
 	.ascii CONFIG_IDENT_STRING, "\0"
 	.align 4
diff --git a/cpu/mcf5445x/start.S b/cpu/mcf5445x/start.S
index 61e43fff35a..d5a7f937f20 100644
--- a/cpu/mcf5445x/start.S
+++ b/cpu/mcf5445x/start.S
@@ -22,6 +22,7 @@
  */
 
 #include <config.h>
+#include <timestamp.h>
 #include "version.h"
 
 #ifndef	 CONFIG_IDENT_STRING
@@ -627,6 +628,6 @@ dcache_status:
 	.globl	version_string
 version_string:
 	.ascii U_BOOT_VERSION
-	.ascii " (", __DATE__, " - ", __TIME__, ")"
+	.ascii " (", U_BOOT_DATE, " - ", U_BOOT_TIME, ")"
 	.ascii CONFIG_IDENT_STRING, "\0"
 	.align 4
diff --git a/cpu/mcf547x_8x/start.S b/cpu/mcf547x_8x/start.S
index 41fc694ac31..94ef14bf3d2 100644
--- a/cpu/mcf547x_8x/start.S
+++ b/cpu/mcf547x_8x/start.S
@@ -22,6 +22,7 @@
  */
 
 #include <config.h>
+#include <timestamp.h>
 #include "version.h"
 
 #ifndef	 CONFIG_IDENT_STRING
@@ -357,6 +358,6 @@ dcache_status:
 	.globl	version_string
 version_string:
 	.ascii U_BOOT_VERSION
-	.ascii " (", __DATE__, " - ", __TIME__, ")"
+	.ascii " (", U_BOOT_DATE, " - ", U_BOOT_TIME, ")"
 	.ascii CONFIG_IDENT_STRING, "\0"
 	.align 4
diff --git a/cpu/mpc512x/start.S b/cpu/mpc512x/start.S
index 26f3c5237e1..360682dafcf 100644
--- a/cpu/mpc512x/start.S
+++ b/cpu/mpc512x/start.S
@@ -31,6 +31,7 @@
 
 #include <config.h>
 #include <mpc512x.h>
+#include <timestamp.h>
 #include <version.h>
 
 #define CONFIG_521X	1		/* needed for Linux kernel header files*/
@@ -85,7 +86,7 @@
 	.globl	version_string
 version_string:
 	.ascii U_BOOT_VERSION
-	.ascii " (", __DATE__, " - ", __TIME__, ")"
+	.ascii " (", U_BOOT_DATE, " - ", U_BOOT_TIME, ")"
 	.ascii " ", CONFIG_IDENT_STRING, "\0"
 
 /*
diff --git a/cpu/mpc5xx/start.S b/cpu/mpc5xx/start.S
index f2ffe84c2d9..106935cb636 100644
--- a/cpu/mpc5xx/start.S
+++ b/cpu/mpc5xx/start.S
@@ -32,6 +32,7 @@
 
 #include <config.h>
 #include <mpc5xx.h>
+#include <timestamp.h>
 #include <version.h>
 
 #define CONFIG_5xx 1		/* needed for Linux kernel header files */
@@ -80,7 +81,7 @@
 	.globl	version_string
 version_string:
 	.ascii U_BOOT_VERSION
-	.ascii " (", __DATE__, " - ", __TIME__, ")"
+	.ascii " (", U_BOOT_DATE, " - ", U_BOOT_TIME, ")"
 	.ascii CONFIG_IDENT_STRING, "\0"
 
 	. = EXC_OFF_SYS_RESET
diff --git a/cpu/mpc5xxx/start.S b/cpu/mpc5xxx/start.S
index defe77d75f2..6b1162aa5ee 100644
--- a/cpu/mpc5xxx/start.S
+++ b/cpu/mpc5xxx/start.S
@@ -27,6 +27,7 @@
  */
 #include <config.h>
 #include <mpc5xxx.h>
+#include <timestamp.h>
 #include <version.h>
 
 #define CONFIG_MPC5xxx 1	/* needed for Linux kernel header files */
@@ -78,7 +79,7 @@
 	.globl	version_string
 version_string:
 	.ascii U_BOOT_VERSION
-	.ascii " (", __DATE__, " - ", __TIME__, ")"
+	.ascii " (", U_BOOT_DATE, " - ", U_BOOT_TIME, ")"
 	.ascii CONFIG_IDENT_STRING, "\0"
 
 /*
diff --git a/cpu/mpc8220/start.S b/cpu/mpc8220/start.S
index 373be2c7458..3abc619269f 100644
--- a/cpu/mpc8220/start.S
+++ b/cpu/mpc8220/start.S
@@ -27,6 +27,7 @@
  */
 #include <config.h>
 #include <mpc8220.h>
+#include <timestamp.h>
 #include <version.h>
 
 #define _LINUX_CONFIG_H 1   /* avoid reading Linux autoconf.h file  */
@@ -77,7 +78,7 @@
 	.globl	version_string
 version_string:
 	.ascii U_BOOT_VERSION
-	.ascii " (", __DATE__, " - ", __TIME__, ")"
+	.ascii " (", U_BOOT_DATE, " - ", U_BOOT_TIME, ")"
 	.ascii CONFIG_IDENT_STRING, "\0"
 
 /*
diff --git a/cpu/mpc824x/start.S b/cpu/mpc824x/start.S
index b5d7eb109af..39325cda5b8 100644
--- a/cpu/mpc824x/start.S
+++ b/cpu/mpc824x/start.S
@@ -39,6 +39,7 @@
  */
 #include <config.h>
 #include <mpc824x.h>
+#include <timestamp.h>
 #include <version.h>
 
 #define _LINUX_CONFIG_H 1	/* avoid reading Linux autoconf.h file	*/
@@ -90,7 +91,7 @@
 	.globl	version_string
 version_string:
 	.ascii U_BOOT_VERSION
-	.ascii " (", __DATE__, " - ", __TIME__, ")"
+	.ascii " (", U_BOOT_DATE, " - ", U_BOOT_TIME, ")"
 	.ascii CONFIG_IDENT_STRING, "\0"
 
 	. = EXC_OFF_SYS_RESET
diff --git a/cpu/mpc8260/start.S b/cpu/mpc8260/start.S
index da0c5161fbb..379f2fb1753 100644
--- a/cpu/mpc8260/start.S
+++ b/cpu/mpc8260/start.S
@@ -27,6 +27,7 @@
  */
 #include <config.h>
 #include <mpc8260.h>
+#include <timestamp.h>
 #include <version.h>
 
 #define CONFIG_8260 1		/* needed for Linux kernel header files */
@@ -85,7 +86,7 @@
 	.globl	version_string
 version_string:
 	.ascii U_BOOT_VERSION
-	.ascii " (", __DATE__, " - ", __TIME__, ")"
+	.ascii " (", U_BOOT_DATE, " - ", U_BOOT_TIME, ")"
 	.ascii CONFIG_IDENT_STRING, "\0"
 
 /*
diff --git a/cpu/mpc83xx/start.S b/cpu/mpc83xx/start.S
index cd566b2d747..792b2c8b2a5 100644
--- a/cpu/mpc83xx/start.S
+++ b/cpu/mpc83xx/start.S
@@ -29,6 +29,7 @@
 
 #include <config.h>
 #include <mpc83xx.h>
+#include <timestamp.h>
 #include <version.h>
 
 #define CONFIG_83XX	1		/* needed for Linux kernel header files*/
@@ -105,7 +106,7 @@
 	.globl	version_string
 version_string:
 	.ascii U_BOOT_VERSION
-	.ascii " (", __DATE__, " - ", __TIME__, ")"
+	.ascii " (", U_BOOT_DATE, " - ", U_BOOT_TIME, ")"
 	.ascii " ", CONFIG_IDENT_STRING, "\0"
 
 
diff --git a/cpu/mpc85xx/start.S b/cpu/mpc85xx/start.S
index 651ff1c02c9..8fa0ff7a8a5 100644
--- a/cpu/mpc85xx/start.S
+++ b/cpu/mpc85xx/start.S
@@ -30,6 +30,7 @@
 
 #include <config.h>
 #include <mpc85xx.h>
+#include <timestamp.h>
 #include <version.h>
 
 #define _LINUX_CONFIG_H 1	/* avoid reading Linux autoconf.h file	*/
@@ -274,7 +275,7 @@ _start:
 	.globl	version_string
 version_string:
 	.ascii U_BOOT_VERSION
-	.ascii " (", __DATE__, " - ", __TIME__, ")"
+	.ascii " (", U_BOOT_DATE, " - ", U_BOOT_TIME, ")"
 	.ascii CONFIG_IDENT_STRING, "\0"
 
 	.align	4
diff --git a/cpu/mpc86xx/start.S b/cpu/mpc86xx/start.S
index efd654ce76d..6645cb8825a 100644
--- a/cpu/mpc86xx/start.S
+++ b/cpu/mpc86xx/start.S
@@ -32,6 +32,7 @@
  */
 #include <config.h>
 #include <mpc86xx.h>
+#include <timestamp.h>
 #include <version.h>
 
 #include <ppc_asm.tmpl>
@@ -76,7 +77,7 @@
 	.globl	version_string
 version_string:
 	.ascii	U_BOOT_VERSION
-	.ascii	" (", __DATE__, " - ", __TIME__, ")"
+	.ascii	" (", U_BOOT_DATE, " - ", U_BOOT_TIME, ")"
 	.ascii	CONFIG_IDENT_STRING, "\0"
 
 	. = EXC_OFF_SYS_RESET
diff --git a/cpu/mpc8xx/start.S b/cpu/mpc8xx/start.S
index 7b75660de12..45c902e7c68 100644
--- a/cpu/mpc8xx/start.S
+++ b/cpu/mpc8xx/start.S
@@ -39,6 +39,7 @@
  */
 #include <config.h>
 #include <mpc8xx.h>
+#include <timestamp.h>
 #include <version.h>
 
 #define CONFIG_8xx 1		/* needed for Linux kernel header files */
@@ -87,7 +88,7 @@
 	.globl	version_string
 version_string:
 	.ascii U_BOOT_VERSION
-	.ascii " (", __DATE__, " - ", __TIME__, ")"
+	.ascii " (", U_BOOT_DATE, " - ", U_BOOT_TIME, ")"
 	.ascii CONFIG_IDENT_STRING, "\0"
 
 	. = EXC_OFF_SYS_RESET
diff --git a/cpu/mpc8xx/video.c b/cpu/mpc8xx/video.c
index 2e6a22a94bc..54796449c4b 100644
--- a/cpu/mpc8xx/video.c
+++ b/cpu/mpc8xx/video.c
@@ -32,7 +32,10 @@
 #include <stdarg.h>
 #include <common.h>
 #include <config.h>
+#ifdef VIDEO_INFO
 #include <version.h>
+#include <timestamp.h>
+#endif
 #include <i2c.h>
 #include <linux/types.h>
 #include <devices.h>
@@ -1174,7 +1177,8 @@ static void *video_logo (void)
 	easylogo_plot (VIDEO_LOGO_ADDR, screen, width, 0, 0);
 
 #ifdef VIDEO_INFO
-	sprintf (info, "%s (%s - %s) ", U_BOOT_VERSION, __DATE__, __TIME__);
+	sprintf (info, "%s (%s - %s) ",
+		 U_BOOT_VERSION, U_BOOT_DATE, U_BOOT_TIME);
 	video_drawstring (VIDEO_INFO_X, VIDEO_INFO_Y, info);
 
 	sprintf (info, "(C) 2002 DENX Software Engineering");
diff --git a/cpu/nios/start.S b/cpu/nios/start.S
index 5d15e8d1dd7..3578a04d51e 100644
--- a/cpu/nios/start.S
+++ b/cpu/nios/start.S
@@ -23,6 +23,7 @@
 
 
 #include <config.h>
+#include <timestamp.h>
 #include <version.h>
 
 #if !defined(CONFIG_IDENT_STRING)
@@ -233,5 +234,5 @@ dly_clks:
 
 version_string:
 	.ascii U_BOOT_VERSION
-	.ascii " (", __DATE__, " - ", __TIME__, ")"
+	.ascii " (", U_BOOT_DATE, " - ", U_BOOT_TIME, ")"
 	.ascii CONFIG_IDENT_STRING, "\0"
diff --git a/cpu/nios2/start.S b/cpu/nios2/start.S
index ea414356619..31cd5b004a0 100644
--- a/cpu/nios2/start.S
+++ b/cpu/nios2/start.S
@@ -23,6 +23,7 @@
 
 
 #include <config.h>
+#include <timestamp.h>
 #include <version.h>
 
 /*************************************************************************
@@ -212,5 +213,5 @@ dly_clks:
 
 version_string:
 	.ascii U_BOOT_VERSION
-	.ascii " (", __DATE__, " - ", __TIME__, ")"
+	.ascii " (", U_BOOT_DATE, " - ", U_BOOT_TIME, ")"
 	.ascii CONFIG_IDENT_STRING, "\0"
diff --git a/cpu/ppc4xx/start.S b/cpu/ppc4xx/start.S
index e68cf9b6db1..4b5349eadd0 100644
--- a/cpu/ppc4xx/start.S
+++ b/cpu/ppc4xx/start.S
@@ -63,6 +63,7 @@
  */
 #include <config.h>
 #include <ppc4xx.h>
+#include <timestamp.h>
 #include <version.h>
 
 #define _LINUX_CONFIG_H 1	/* avoid reading Linux autoconf.h file	*/
@@ -510,7 +511,7 @@ rsttlb:	tlbwe	r0,r1,0x0000	/* Invalidate all entries (V=0)*/
 	.globl	version_string
 version_string:
 	.ascii U_BOOT_VERSION
-	.ascii " (", __DATE__, " - ", __TIME__, ")"
+	.ascii " (", U_BOOT_DATE, " - ", U_BOOT_TIME, ")"
 	.ascii CONFIG_IDENT_STRING, "\0"
 
 	. = EXC_OFF_SYS_RESET
diff --git a/include/.gitignore b/include/.gitignore
index ef7dd5fc8a2..44814120229 100644
--- a/include/.gitignore
+++ b/include/.gitignore
@@ -5,4 +5,5 @@
 /bmp_logo.h
 /config.h
 /config.mk
+/timestamp_autogenerated.h
 /version_autogenerated.h
diff --git a/include/configs/NETPHONE.h b/include/configs/NETPHONE.h
index a147aff4071..34de94797c1 100644
--- a/include/configs/NETPHONE.h
+++ b/include/configs/NETPHONE.h
@@ -799,7 +799,7 @@ typedef unsigned int led_id_t;
 #define CONFIG_CDP_DEVICE_ID_PREFIX	"NP"	/* netphone */
 #define CONFIG_CDP_PORT_ID		"eth%d"
 #define CONFIG_CDP_CAPABILITIES		0x00000010
-#define CONFIG_CDP_VERSION		"u-boot" " " __DATE__ " " __TIME__
+#define CONFIG_CDP_VERSION		"u-boot" " " U_BOOT_DATE " " U_BOOT_TIME
 #define CONFIG_CDP_PLATFORM		"Intracom NetPhone"
 #define CONFIG_CDP_TRIGGER		0x20020001
 #define CONFIG_CDP_POWER_CONSUMPTION	4300	/* 90 mA @ 48V */
diff --git a/include/configs/NETTA.h b/include/configs/NETTA.h
index 63810b3305f..004b3c8a415 100644
--- a/include/configs/NETTA.h
+++ b/include/configs/NETTA.h
@@ -775,7 +775,7 @@
 #define CONFIG_CDP_DEVICE_ID_PREFIX	"NT"	/* netta */
 #define CONFIG_CDP_PORT_ID		"eth%d"
 #define CONFIG_CDP_CAPABILITIES		0x00000010
-#define CONFIG_CDP_VERSION		"u-boot 1.0" " " __DATE__ " " __TIME__
+#define CONFIG_CDP_VERSION		"u-boot 1.0" " " U_BOOT_DATE " " U_BOOT_TIME
 #define CONFIG_CDP_PLATFORM		"Intracom NetTA"
 #define CONFIG_CDP_TRIGGER		0x20020001
 #define CONFIG_CDP_POWER_CONSUMPTION	4300	/* 90 mA @ 48V */
diff --git a/include/configs/NETTA2.h b/include/configs/NETTA2.h
index 61c5547c55c..70995faed17 100644
--- a/include/configs/NETTA2.h
+++ b/include/configs/NETTA2.h
@@ -750,7 +750,7 @@ typedef unsigned int led_id_t;
 #define CONFIG_CDP_DEVICE_ID_PREFIX	"NT"	/* netta2 */
 #define CONFIG_CDP_PORT_ID		"eth%d"
 #define CONFIG_CDP_CAPABILITIES		0x00000010
-#define CONFIG_CDP_VERSION		"u-boot" " " __DATE__ " " __TIME__
+#define CONFIG_CDP_VERSION		"u-boot" " " U_BOOT_DATE " " U_BOOT_TIME
 #define CONFIG_CDP_PLATFORM		"Intracom NetTA2"
 #define CONFIG_CDP_TRIGGER		0x20020001
 #define CONFIG_CDP_POWER_CONSUMPTION	4300	/* 90 mA @ 48V */
diff --git a/include/timestamp.h b/include/timestamp.h
new file mode 100644
index 00000000000..b2f4cf4d7b4
--- /dev/null
+++ b/include/timestamp.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright 2008 Extreme Engineering Solutions, Inc.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef	__TIMESTAMP_H__
+#define	__TIMESTAMP_H__
+
+#ifndef DO_DEPS_ONLY
+#include "timestamp_autogenerated.h"
+#endif
+
+#endif	/* __TIMESTAMP_H__ */
diff --git a/lib_arm/board.c b/lib_arm/board.c
index 4ba1f5ee781..2358bebdbde 100644
--- a/lib_arm/board.c
+++ b/lib_arm/board.c
@@ -42,6 +42,7 @@
 #include <command.h>
 #include <malloc.h>
 #include <devices.h>
+#include <timestamp.h>
 #include <version.h>
 #include <net.h>
 #include <serial.h>
@@ -69,7 +70,7 @@ extern void dataflash_print_info(void);
 #endif
 
 const char version_string[] =
-	U_BOOT_VERSION" (" __DATE__ " - " __TIME__ ")"CONFIG_IDENT_STRING;
+	U_BOOT_VERSION" (" U_BOOT_DATE " - " U_BOOT_TIME ")"CONFIG_IDENT_STRING;
 
 #ifdef CONFIG_DRIVER_CS8900
 extern void cs8900_get_enetaddr (uchar * addr);
diff --git a/lib_avr32/board.c b/lib_avr32/board.c
index 8771de90c37..2a98bd41f6d 100644
--- a/lib_avr32/board.c
+++ b/lib_avr32/board.c
@@ -23,6 +23,7 @@
 #include <command.h>
 #include <malloc.h>
 #include <devices.h>
+#include <timestamp.h>
 #include <version.h>
 #include <net.h>
 
@@ -36,7 +37,7 @@
 DECLARE_GLOBAL_DATA_PTR;
 
 const char version_string[] =
-	U_BOOT_VERSION " (" __DATE__ " - " __TIME__ ") " CONFIG_IDENT_STRING;
+	U_BOOT_VERSION " ("U_BOOT_DATE" - "U_BOOT_TIME") " CONFIG_IDENT_STRING;
 
 unsigned long monitor_flash_len;
 
diff --git a/lib_blackfin/board.c b/lib_blackfin/board.c
index e184fd2f2bd..fde4bbe0ff9 100644
--- a/lib_blackfin/board.c
+++ b/lib_blackfin/board.c
@@ -16,6 +16,7 @@
 #include <i2c.h>
 #include <malloc.h>
 #include <net.h>
+#include <timestamp.h>
 #include <version.h>
 
 #include <asm/cplb.h>
@@ -32,7 +33,7 @@ int post_flag;
 
 DECLARE_GLOBAL_DATA_PTR;
 
-const char version_string[] = U_BOOT_VERSION " (" __DATE__ " - " __TIME__ ")";
+const char version_string[] = U_BOOT_VERSION " ("U_BOOT_DATE" - "U_BOOT_TIME")";
 
 __attribute__((always_inline))
 static inline void serial_early_puts(const char *s)
diff --git a/lib_i386/board.c b/lib_i386/board.c
index 659f9a243ab..1734f86cdf5 100644
--- a/lib_i386/board.c
+++ b/lib_i386/board.c
@@ -32,6 +32,7 @@
 #include <watchdog.h>
 #include <command.h>
 #include <devices.h>
+#include <timestamp.h>
 #include <version.h>
 #include <malloc.h>
 #include <net.h>
@@ -70,7 +71,7 @@ ulong i386boot_bios_size     = (ulong)&_i386boot_bios_size;     /* size of BIOS
 
 
 const char version_string[] =
-	U_BOOT_VERSION" (" __DATE__ " - " __TIME__ ")";
+	U_BOOT_VERSION" (" U_BOOT_DATE " - " U_BOOT_TIME ")";
 
 
 /*
diff --git a/lib_microblaze/board.c b/lib_microblaze/board.c
index cd619185b48..250972cb692 100644
--- a/lib_microblaze/board.c
+++ b/lib_microblaze/board.c
@@ -27,12 +27,13 @@
 #include <common.h>
 #include <command.h>
 #include <malloc.h>
+#include <timestamp.h>
 #include <version.h>
 #include <watchdog.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
-const char version_string[] = U_BOOT_VERSION " (" __DATE__ " - " __TIME__ ")";
+const char version_string[] = U_BOOT_VERSION " ("U_BOOT_DATE" - "U_BOOT_TIME")";
 
 #ifdef CONFIG_SYS_GPIO_0
 extern int gpio_init (void);
diff --git a/lib_mips/board.c b/lib_mips/board.c
index 77e1cc8e3c3..9c997f1908f 100644
--- a/lib_mips/board.c
+++ b/lib_mips/board.c
@@ -25,6 +25,7 @@
 #include <command.h>
 #include <malloc.h>
 #include <devices.h>
+#include <timestamp.h>
 #include <version.h>
 #include <net.h>
 #include <environment.h>
@@ -53,7 +54,7 @@ extern ulong uboot_end;
 ulong monitor_flash_len;
 
 const char version_string[] =
-	U_BOOT_VERSION" (" __DATE__ " - " __TIME__ ")";
+	U_BOOT_VERSION" (" U_BOOT_DATE " - " U_BOOT_TIME ")";
 
 static char *failed = "*** failed ***\n";
 
diff --git a/lib_sh/board.c b/lib_sh/board.c
index b6be22ed8cf..d4cc85cad14 100644
--- a/lib_sh/board.c
+++ b/lib_sh/board.c
@@ -22,6 +22,7 @@
 #include <command.h>
 #include <malloc.h>
 #include <devices.h>
+#include <timestamp.h>
 #include <version.h>
 #include <watchdog.h>
 #include <net.h>
@@ -33,7 +34,7 @@ extern int board_init(void);
 extern int dram_init(void);
 extern int timer_init(void);
 
-const char version_string[] = U_BOOT_VERSION" (" __DATE__ " - " __TIME__ ")";
+const char version_string[] = U_BOOT_VERSION" ("U_BOOT_DATE" - "U_BOOT_TIME")";
 
 unsigned long monitor_flash_len = CONFIG_SYS_MONITOR_LEN;
 
diff --git a/net/net.c b/net/net.c
index 77e83b5bd0a..e9754e47b8f 100644
--- a/net/net.c
+++ b/net/net.c
@@ -89,6 +89,9 @@
 #if defined(CONFIG_CMD_SNTP)
 #include "sntp.h"
 #endif
+#if defined(CONFIG_CDP_VERSION)
+#include <timestamp.h>
+#endif
 
 #if defined(CONFIG_CMD_NET)