--- libeio/eio.c	2018/02/20 06:05:19	1.148
+++ libeio/eio.c	2018/02/20 06:54:47	1.149
@@ -102,8 +102,6 @@
   #undef PAGESIZE
   #define PAGESIZE 4096 /* GetSystemInfo? */
 
-  #define O_CLOEXEC 0
-
   /* TODO: look at how perl does stat (non-sloppy), unlink (ro-files), utime, link */
 
   #ifdef EIO_STRUCT_STATI64
@@ -329,6 +327,10 @@
 # define PATH_MAX 0
 #endif
 
+#ifndef O_CLOEXEC
+  #define O_CLOEXEC 0
+#endif
+
 #ifndef EIO_PATH_MIN
 # define EIO_PATH_MIN 8160
 #endif