From a09477f2fe068ef124427a4266b592b5658a6597 Mon Sep 17 00:00:00 2001
From: "Frank Ch. Eigler" <fche@redhat.com>
Date: Wed, 30 Jan 2019 15:26:02 -0500
Subject: [PATCH] Move _XOPEN_SOURCE #define to include/c/portable.h

Since it now contains a glibc feature macro, it needs to be included
ahead of normal glibc headers, so vere/unix.c now starts with #include
"all.h".
---
 include/c/portable.h | 3 +++
 vere/unix.c          | 3 +--
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/include/c/portable.h b/include/c/portable.h
index 5326ce95ad..2ab7909fc8 100644
--- a/include/c/portable.h
+++ b/include/c/portable.h
@@ -20,6 +20,9 @@
   *** C file.
   **/
 #   if defined(U3_OS_linux)
+#     ifndef _XOPEN_SOURCE
+#     define _XOPEN_SOURCE 700
+#     endif
 #     include <inttypes.h>
 #     include <stdlib.h>
 #     include <string.h>
diff --git a/vere/unix.c b/vere/unix.c
index 68b40e68b9..10d80ccad4 100644
--- a/vere/unix.c
+++ b/vere/unix.c
@@ -1,7 +1,7 @@
 /* vere/unix.c
 **
 */
-#define _XOPEN_SOURCE 700
+#include "all.h"
 #include <fcntl.h>
 #include <sys/ioctl.h>
 #include <sys/stat.h>
@@ -13,7 +13,6 @@
 #include <libgen.h>
 #include <ftw.h>
 
-#include "all.h"
 #include "vere/vere.h"
 
 /* _unix_down(): descend path.