From c3a558fae95f0c2a8b78d229ba54617cbe323183 Mon Sep 17 00:00:00 2001
From: Michael Kerrisk <mtk.manpages@gmail.com>
Date: Fri, 16 Jun 2017 09:10:42 +0200
Subject: [PATCH] rand.3: Note glibc 2.24 feature test macro requirement
 changes for rand_r()

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
---
 man3/rand.3 | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/man3/rand.3 b/man3/rand.3
index 11e44c1e8..908467e90 100644
--- a/man3/rand.3
+++ b/man3/rand.3
@@ -58,7 +58,13 @@ Feature Test Macro Requirements for glibc (see
 .in
 .sp
 .BR rand_r ():
-_POSIX_C_SOURCE
+.RS 4
+Since glibc 2.24:
+    _POSIX_C_SOURCE >= 199506L
+.br
+Glibc 2.23 and earlier
+    _POSIX_C_SOURCE
+.RE
 .SH DESCRIPTION
 The
 .BR rand ()
-- 
2.11.4.GIT