version: Define version as a macro

Defining it as static char is a bad idea especially
if it get included and never used -- we will get
"unused" variable error.
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>

crtools.c

@@ -265,7 +265,7 @@ int main(int argc, char *argv[])
 			opts.check_ms_kernel = true;
 			break;
 		case 'V':
-			pr_msg("Version: %s\n", version);
+			pr_msg("Version: %s\n", CRIU_VERSION);
 			return 0;
 		case 'h':
 		default:

lib/criu.c

 #include "version.h"
 
-const char *criu_lib_version = version;
+const char *criu_lib_version = CRIU_VERSION;

scripts/Makefile.version

@@ -7,9 +7,7 @@ $(VERSION_HEADER): Makefile scripts/Makefile.version
 	$(Q) echo "/* Autogenerated, do not edit */"	 		 > $(VERSION_HEADER)
 	$(Q) echo "#ifndef __CR_VERSION_H__"				>> $(VERSION_HEADER)
 	$(Q) echo "#define __CR_VERSION_H__"				>> $(VERSION_HEADER)
-	$(Q) echo "static char version[] = {"				>> $(VERSION_HEADER)
-	$(Q) echo \"$(CRTOOLSVERSION)\"					>> $(VERSION_HEADER)
-	$(Q) echo "};"							>> $(VERSION_HEADER)
+	$(Q) echo "#define CRIU_VERSION \"$(CRTOOLSVERSION)\""		>> $(VERSION_HEADER)
 	$(Q) echo "#define CRIU_VERSION_MAJOR " $(VERSION_MAJOR)	>> $(VERSION_HEADER)
 	$(Q) echo "#define CRIU_VERSION_MINOR " $(VERSION_MINOR)	>> $(VERSION_HEADER)
 	$(Q) echo "#endif /* __CR_VERSION_H__ */"			>> $(VERSION_HEADER)