check for MAP_FILE

diff --git a/lib/dns/tests/rbt_test.c b/lib/dns/tests/rbt_test.c
index 79ca097d84d6d318ad3e17cd8a9a2a885907243d..ff883a9e311e65b10c011e35590bfc416ca531ec 100644 (file)
--- a/lib/dns/tests/rbt_test.c
+++ b/lib/dns/tests/rbt_test.c
@@ -305,6 +305,9 @@ ATF_TC_BODY(isc_serialize_rbt, tc) {
         */
        printf("deserialization begins.\n");
 
+#ifndef MAP_FILE
+#define MAP_FILE 0
+#endif
        /*
         * Map in the whole file in one go
         */