MFH

diff --git a/ext/dio/dio.c b/ext/dio/dio.c
index 4337fc6ed937ca8f311c5b4c2f79652a013970f5..a3379bcadbc9855b89fe4192f3d1aeebda07dbec 100644 (file)
--- a/ext/dio/dio.c
+++ b/ext/dio/dio.c
@@ -94,7 +94,9 @@ PHP_MINIT_FUNCTION(dio)
 #ifdef O_SYNC
        RDIOC(O_SYNC);
 #endif
+#ifdef O_ASYNC
        RDIOC(O_ASYNC);
+#endif
        RDIOC(O_NOCTTY);
        RDIOC(S_IRWXU);
        RDIOC(S_IRUSR);