#if DARWIN_VERS < DARWIN_10_6
#define __NR_MAXSYSCALL VG_DARWIN_SYSCALL_CONSTRUCT_UNIX(427)
-#elif DARWIN_VERSION < DARWIN_10_7
+#elif DARWIN_VERS < DARWIN_10_7
#define __NR_MAXSYSCALL VG_DARWIN_SYSCALL_CONSTRUCT_UNIX(430)
-#elif DARWIN_VERSION < DARWIN_10_9
+#elif DARWIN_VERS < DARWIN_10_9
#define __NR_MAXSYSCALL VG_DARWIN_SYSCALL_CONSTRUCT_UNIX(430)
-#elif DARWIN_VERSION == DARWIN_10_9
+#elif DARWIN_VERS == DARWIN_10_9
#define __NR_MAXSYSCALL VG_DARWIN_SYSCALL_CONSTRUCT_UNIX(456)
#else
#error unknown darwin version