From b48cd4b9dcb6cefb8dcff6ee571234620a879b68 Mon Sep 17 00:00:00 2001
From: Andrew Gerrand <adg@golang.org>
Date: Tue, 12 Aug 2014 09:38:23 +1000
Subject: [PATCH] [release-branch.go1.3] include/u.h: define _DEFAULT_SOURCE
 for new glibc
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««« CL 112530043 / c8059ac4e0ec
include/u.h: define _DEFAULT_SOURCE for new glibc

glibc devs have apparently decided _BSD_SOURCE will be
deprecated on Linux, and issue a preprocessor warning if
declaring _BSD_SOURCE without _DEFAULT_SOURCE.

https://sourceware.org/glibc/wiki/Release/2.20

Fixes #8397.

LGTM=iant
R=dave, gobot, iant
CC=golang-codereviews
https://golang.org/cl/112530043

»»»

TBR=rsc
CC=golang-codereviews
https://golang.org/cl/124150043
---
 include/u.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/u.h b/include/u.h
index 6b2d50cc1f..489b2a3886 100644
--- a/include/u.h
+++ b/include/u.h
@@ -40,6 +40,7 @@ extern "C" {
 #endif
 #define _BSD_SOURCE 1
 #define _NETBSD_SOURCE 1	/* NetBSD */
+#define _DEFAULT_SOURCE 1	/* glibc > 2.19 */
 #define _SVID_SOURCE 1
 #if !defined(__APPLE__) && !defined(__OpenBSD__)
 #	define _XOPEN_SOURCE 1000
-- 
2.50.0