From 5dd15a3c45c650fbe99b32dffa305b72f322d6c1 Mon Sep 17 00:00:00 2001
From: Eli Friedman <eli.friedman@gmail.com>
Date: Wed, 20 Aug 2008 01:05:41 +0000
Subject: Fix test failure on Linux.

llvm-svn: 55032
---
 clang/test/Sema/format-strings.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'clang/test/Sema')

diff --git a/clang/test/Sema/format-strings.c b/clang/test/Sema/format-strings.c
index 2d6e719e3ad..ec070a291b1 100644
--- a/clang/test/Sema/format-strings.c
+++ b/clang/test/Sema/format-strings.c
@@ -1,5 +1,8 @@
 // RUN: clang -fsyntax-only -verify %s
 
+// Define this to get vasprintf on Linux
+#define _GNU_SOURCE
+
 #include <stdio.h>
 #include <stdarg.h>
 
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