From b12f2dd9b3d5c7ae4610743fe2376c313ff42307 Mon Sep 17 00:00:00 2001
From: "Frank Ch. Eigler" <fche@elastic.org>
Date: Sat, 19 Jan 2019 22:54:25 -0500
Subject: [PATCH] vere/unix.c: set _XOPEN_SOURCE

Above feature macro is needed on glibc 2.17 era, in order to activate ftw* related functions/macros.
---
 vere/unix.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/vere/unix.c b/vere/unix.c
index 8bb92ffeeb..68b40e68b9 100644
--- a/vere/unix.c
+++ b/vere/unix.c
@@ -1,6 +1,7 @@
 /* vere/unix.c
 **
 */
+#define _XOPEN_SOURCE 700
 #include <fcntl.h>
 #include <sys/ioctl.h>
 #include <sys/stat.h>