#define STRINGIFY2(arg) #arg
#define STRINGIFY(arg) STRINGIFY2(arg)
-const char *buildstring = __TIME__ " " __DATE__
+extern const char *buildstring;
+const char *buildstring =
+#ifndef NO_BUILD_TIMESTAMPS
+__TIME__ " " __DATE__ " "
+#endif
#ifdef SVNREVISION
-" " STRINGIFY(SVNREVISION)
+STRINGIFY(SVNREVISION)
+#else
+"-"
#endif
#ifdef BUILDTYPE
" " STRINGIFY(BUILDTYPE)