From 597c25e65d1ba0f80796c91f8b1c6318fd353caa Mon Sep 17 00:00:00 2001
From: Daniel Jacobowitz <dan@codesourcery.com>
Date: Mon, 13 Nov 2006 20:35:20 +0000
Subject: * tls.m4 (GCC_CHECK_TLS): Fall back to a link test.

From-SVN: r118777
---
 config/tls.m4 | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'config/tls.m4')

diff --git a/config/tls.m4 b/config/tls.m4
index b7a0730..b66b6d7 100644
--- a/config/tls.m4
+++ b/config/tls.m4
@@ -13,7 +13,8 @@ AC_DEFUN([GCC_CHECK_TLS], [
 		    [have_tls=yes], [have_tls=no], [])
       LDFLAGS="$save_LDFLAGS"],
       [have_tls=no],
-      [AC_COMPILE_IFELSE([__thread int foo;], [have_tls=yes], [have_tls=no])]
+      [AC_LINK_IFELSE([__thread int a; int b; int main() { return a = b; }],
+	[have_tls=yes], [have_tls=no])]
     )])
   if test "$enable_tls $have_tls" = "yes yes"; then
     AC_DEFINE(HAVE_TLS, 1,
-- 
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