From e2a99db2dd151e951ad7f31cc94d2f9b8e08ddc0 Mon Sep 17 00:00:00 2001
From: "W. Felix Handte" <w@felixhandte.com>
Date: Thu, 5 Dec 2019 12:02:35 -0500
Subject: [PATCH] Also Define _ATFILE_SOURCE

---
 programs/platform.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/programs/platform.h b/programs/platform.h
index 5934e59cf..64ecd21fc 100644
--- a/programs/platform.h
+++ b/programs/platform.h
@@ -109,6 +109,15 @@ extern "C" {
 #endif   /* PLATFORM_POSIX_VERSION */
 
 
+#if PLATFORM_POSIX_VERSION > 1
+   /* glibc < 2.26 may not expose struct timespec def without this.
+    * See issue #1920. */
+#  ifndef _ATFILE_SOURCE
+#    define _ATFILE_SOURCE
+#  endif
+#endif
+
+
 /*-*********************************************
 *  Detect if isatty() and fileno() are available
 ************************************************/