From 548c0ca4012732333d2895d1cc3418af8f038806 Mon Sep 17 00:00:00 2001
From: Marcel Holtmann <marcel@holtmann.org>
Date: Sat, 5 Dec 2009 05:38:37 +0100
Subject: [PATCH] Check that signalfd() is supported

---
 configure.ac | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/configure.ac b/configure.ac
index a3b7d758..fa339474 100644
--- a/configure.ac
+++ b/configure.ac
@@ -64,6 +64,9 @@ AC_ARG_ENABLE(pie, AC_HELP_STRING([--enable-pie],
 AC_ARG_ENABLE(threads, AC_HELP_STRING([--enable-threads],
 		[enable threading support]), [enable_threads=${enableval}])
 
+AC_CHECK_LIB(c, signalfd, dummy=yes,
+			AC_MSG_ERROR(signalfd support is required))
+
 AC_CHECK_LIB(dl, dlopen, dummy=yes,
 			AC_MSG_ERROR(dynamic linking loader is required))