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-rw-r--r--third_party/address_sorting/address_sorting_internal.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/third_party/address_sorting/address_sorting_internal.h b/third_party/address_sorting/address_sorting_internal.h
index 9712c96599..ee366fef1c 100644
--- a/third_party/address_sorting/address_sorting_internal.h
+++ b/third_party/address_sorting/address_sorting_internal.h
@@ -51,7 +51,10 @@
/* Workaround for issue described in
*
* https://bugs.launchpad.net/ubuntu/+source/eglibc/+bug/1187301 */
+#ifndef _GNU_SOURCE
#define _GNU_SOURCE
+#endif
+#include <arpa/inet.h>
#include <netinet/in.h>
#include <sys/socket.h>
#define ADDRESS_SORTING_POSIX 1