mkimage: add "-V" option to print version information

Signed-off-by: Wolfgang Denk <wd@denx.de>

Makefile

@@ -413,8 +413,12 @@ $(obj)u-boot-onenand.bin:	onenand_ipl $(obj)u-boot.bin
 		cat $(ONENAND_BIN) $(obj)u-boot.bin > $(obj)u-boot-onenand.bin
 
 $(VERSION_FILE):
-		@( printf '#define U_BOOT_VERSION "U-Boot %s%s"\n' "$(U_BOOT_VERSION)" \
-		 '$(shell $(TOPDIR)/tools/setlocalversion $(TOPDIR))' ) > $@.tmp
+		@( localvers='$(shell $(TOPDIR)/tools/setlocalversion $(TOPDIR))' ; \
+		   printf '#define PLAIN_VERSION "%s%s"\n' \
+			"$(U_BOOT_VERSION)" "$${localvers}" ; \
+		   printf '#define U_BOOT_VERSION "U-Boot %s%s"\n' \
+			"$(U_BOOT_VERSION)" "$${localvers}" ; \
+		) > $@.tmp
 		@( printf '#define CC_VERSION_STRING "%s"\n' \
 		 '$(shell $(CC) --version | head -n 1)' )>>  $@.tmp
 		@( printf '#define LD_VERSION_STRING "%s"\n' \

tools/mkimage.c

@@ -23,6 +23,7 @@
 
 #include "mkimage.h"
 #include <image.h>
+#include <version.h>
 
 static void copy_file(int, const char *, int);
 static void usage(void);
@@ -246,6 +247,9 @@ main (int argc, char **argv)
 			case 'v':
 				params.vflag++;
 				break;
+			case 'V':
+				printf("mkimage version %s\n", PLAIN_VERSION);
+				exit(EXIT_SUCCESS);
 			case 'x':
 				params.xflag++;
 				break;
@@ -590,6 +594,8 @@ usage ()
 		params.cmdname);
 	fprintf (stderr, "       %s [-D dtc_options] -f fit-image.its fit-image\n",
 		params.cmdname);
+	fprintf (stderr, "       %s -V ==> print version information and exit\n",
+		params.cmdname);
 
 	exit (EXIT_FAILURE);
 }