Index: third_party/libevent/evdns.c |
diff --git a/third_party/libevent/evdns.c b/third_party/libevent/evdns.c |
index da6ea197a25d920901c5695e6447a1db4abd79fd..6fa971c893d106129c5de3b58e58ce4b3fafd763 100644 |
--- a/third_party/libevent/evdns.c |
+++ b/third_party/libevent/evdns.c |
@@ -55,7 +55,9 @@ |
#endif |
/* #define _POSIX_C_SOURCE 200507 */ |
+#if !defined(_GNU_SOURCE) |
#define _GNU_SOURCE |
+#endif |
#ifdef DNS_USE_CPU_CLOCK_FOR_ID |
#ifdef DNS_USE_OPENSSL_FOR_ID |