The alternative is that a lock file named
/usr/spool/mail/$USER.lock. */
-/* #define MAIL_USE_FLOCK */
#define MAIL_USE_POP
-#define MAIL_USE_SYSTEM_LOCK
+#define HAVE_LOCKING
+#define MAIL_USE_LOCKING
/* If the character used to separate elements of the executable path
is not ':', #define this to be the appropriate character constant. */