From 8894947ba2b9f595d8aac1030b7c79f3c6a51f27 Mon Sep 17 00:00:00 2001
From: Rich Felker <dalias@aerifal.cx>
Date: Tue, 15 Feb 2011 19:16:37 -0500
Subject: [PATCH] protect some limit constants with feature test macros on
 x86_64

---
 arch/x86_64/bits/limits.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/x86_64/bits/limits.h b/arch/x86_64/bits/limits.h
index 4f761b6c..46544898 100644
--- a/arch/x86_64/bits/limits.h
+++ b/arch/x86_64/bits/limits.h
@@ -1,3 +1,5 @@
+#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
+ || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE)
 #define PIPE_BUF 4096
 #define PAGESIZE 4096
 #define PAGE_SIZE PAGESIZE
@@ -10,9 +12,9 @@
 #define ARG_MAX 131072
 #define IOV_MAX 1024
 #define SYMLOOP_MAX 40
-
 #define WORD_BIT 64
 #define LONG_BIT 64
+#endif
 
 #define SHRT_MIN  (-1-0x7fff)
 #define SHRT_MAX  0x7fff