From: David Goulet <dgoulet@efficios.com>
Date: Mon, 9 Jan 2012 23:11:23 +0000 (-0500)
Subject: Fix autoconf futex check
X-Git-Tag: v0.7.0~47
X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=657e7f898de916a8b2bfa375ee2605f2776d825e;p=userspace-rcu.git

Fix autoconf futex check

The check was always returning true.

Signed-off-by: David Goulet <dgoulet@efficios.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
---

diff --git a/configure.ac b/configure.ac
index 46770c5..f18d95b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -102,13 +102,12 @@ AS_IF([test "x$ARCHTYPE" = "xx86"],[
 
 # Check if sys_futex() is available
 AC_MSG_CHECKING([for sys_futex()])
-AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
+AC_COMPILE_IFELSE([AC_LANG_SOURCE([
 		#include <sys/syscall.h>
-	]],[[
 		#ifndef __NR_futex
 		#error "futexes not available"
 		#endif
-	]])
+	])
 ],[
 	AC_MSG_RESULT([yes])
 	AC_DEFINE([CONFIG_RCU_HAVE_FUTEX], [1])