Index: src/common/network.c
--- src/common/network.c.orig
+++ src/common/network.c
@@ -17,7 +17,6 @@
  */
 
 /* ipv4 and ipv6 networking functions with a common interface */
-#define _POSIX_C_SOURCE 200112L
 #ifdef _WIN32
 #  include <ws2tcpip.h>
 #else
