+/* A system configuration file may set this to request a certain extra
+ amount of storage. This is a lot more update-robust that defining
+ BASE_PURESIZE or even PURESIZE directly. */
+#ifndef SYSTEM_PURESIZE_EXTRA
+#define SYSTEM_PURESIZE_EXTRA 0
+#endif
+
+#ifndef SITELOAD_PURESIZE_EXTRA
+#define SITELOAD_PURESIZE_EXTRA 0