For targets without an RTC, use the rockbox build date as the start date in the FAT driver. No more 2003-08-01 files.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7478 a1c6a512-1295-4272-9138-f99709370657

firmware/Makefile

@@ -9,7 +9,8 @@
 
 INCLUDES=-Iinclude -I$(FIRMDIR) -Iexport -Icommon -Idrivers -I$(BUILDDIR)
 
-CFLAGS = $(GCCOPTS) $(INCLUDES) $(TARGET) $(EXTRA_DEFINES) -DMEM=${MEMORYSIZE}
+CFLAGS = $(GCCOPTS) $(INCLUDES) $(TARGET) $(BUILDDATE) $(EXTRA_DEFINES) \
+ -DMEM=${MEMORYSIZE}
 
 # This sets up 'SRC' based on the files mentioned in SOURCES
 include $(TOOLSDIR)/makesrc.inc

firmware/drivers/fat.c

@@ -1059,8 +1059,15 @@ static void fat_time(unsigned short* date,
     {
         if (0 == *date)
         {
-            /* set to 1 August 2003 */
+/* Macros to convert a 2-digit string to a decimal constant. 
-            *date = ((2003 - 1980) << 9) | (8 << 5) | 1;
+   (YEAR), MONTH and DAY are set by the date command, which outputs
+   DAY as 00..31 and MONTH as 01..12. The leading zero would lead to
+   misinterpretation as an octal constant. */
+#define S100(x) 1 ## x
+#define C2DIG2DEC(x) (S100(x)-100)
+            /* set to build date */
+            *date = ((YEAR - 1980) << 9) | (C2DIG2DEC(MONTH) << 5) 
+                  | C2DIG2DEC(DAY);
         }
         else
         {

tools/configure

@@ -814,6 +814,7 @@ export BUILDDIR=@PWD@
 export LANGUAGE=@LANGUAGE@
 export MEMORYSIZE=@MEMORY@
 export VERSION=\$(shell date +%y%m%d-%H%M)
+export BUILDDATE=\$(shell date +'-DYEAR=%Y -DMONTH=%m -DDAY=%d')
 export MKFIRMWARE=@TOOL@
 export BINARY=@OUTPUT@
 export APPEXTRA=@APPEXTRA@