update a marco of detecting linux

9 years ago · 60bdea5b85
1 changed files with 1 additions and 1 deletions
--- a/src/common.h
+++ b/src/common.h
@ -23,7 +23,7 @@
 #define _COMMON_H

 // only enable TCP_FASTOPEN on linux
-#if __linux
+#if defined(__linux__)

 /*  conditional define for TCP_FASTOPEN */
 #ifndef TCP_FASTOPEN