From 3beaa80aa2f07c9d288c61e42958f89bd37665c4 Mon Sep 17 00:00:00 2001
From: Victor Julien <victor@inliniac.net>
Date: Wed, 2 Jul 2014 16:35:41 +0200
Subject: [PATCH] Fix __thread configure check on Clang

AC_TRY_COMPILE puts the code in a function already, and Clang didn't like
the function within the function declaration. This lead to test failure.

Clang now properly detects __thread support.
---
 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 67d316b761..f15e07b70b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -226,7 +226,7 @@
     # check if our target supports thread local storage
     AC_MSG_CHECKING(for thread local storage __thread support)
     AC_TRY_COMPILE([#include <stdlib.h>],
-        [ void somefunc (void) { static __thread int i; i = 1; i++; } ],
+        [ static __thread int i; i = 1; i++; ],
         [AC_DEFINE([TLS], [1], [Thread local storage])
          AC_MSG_RESULT([yes]) ],
         [AC_MSG_RESULT([no])])