From 0ea875369c025338829d0bee4e71974709ac702e Mon Sep 17 00:00:00 2001
From: William Pitcock <nenolod@dereferenced.org>
Date: Thu, 29 Mar 2012 19:52:11 -0500
Subject: configure: fix check for eventfd support.

InspIRCd uses eventfd_read() which was not introduced until after eventfd was first
added to glibc.  uClibc, for example, still does not have support for eventfd_read().
---
 make/check_eventfd.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/make/check_eventfd.cpp b/make/check_eventfd.cpp
index 5fc72ee3b..199cbcd31 100644
--- a/make/check_eventfd.cpp
+++ b/make/check_eventfd.cpp
@@ -1,6 +1,11 @@
 #include <sys/eventfd.h>
 
 int main() {
-	int fd = eventfd(0, EFD_NONBLOCK);
+	eventfd_t efd_data;
+	int fd;
+
+	fd = eventfd(0, EFD_NONBLOCK);
+	eventfd_read(fd, &efd_data);
+
 	return (fd < 0);
 }
-- 
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