From 4a9c56f6c754dda42e0957ac060d35648da6176a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=B4me=20Duval?= <jerome.duval@gmail.com>
Date: Fri, 27 Mar 2015 20:15:04 +0100
Subject: [PATCH] x86_64: fenv.c needs __weak_reference()

* the weak symbol feenableexcept wasn't available.
---
 headers/posix/sys/cdefs.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/headers/posix/sys/cdefs.h b/headers/posix/sys/cdefs.h
index 3627b148cb..22eee9bd47 100644
--- a/headers/posix/sys/cdefs.h
+++ b/headers/posix/sys/cdefs.h
@@ -29,5 +29,10 @@
 #define __dead
 #define __dead2
 
+#ifndef __weak_reference
+#define	__weak_reference(sym,alias)	\
+	__asm__(".weak " #alias);	\
+	__asm__(".equ "  #alias ", " #sym)
+#endif
 
 #endif