configure: add '-Wundef' to warning flags

[lttng-tools.git] / src / common / compat / poll.cpp

diff --git a/src/common/compat/poll.cpp b/src/common/compat/poll.cpp
index ee4fc012c982af330429a7d7d81a16b22259bd31..910b0f62aee469dfc1691e3b7eb212c01d1fdeb7 100644 (file)
--- a/src/common/compat/poll.cpp
+++ b/src/common/compat/poll.cpp
@@ -2,7 +2,7 @@
  * Copyright (C) 2011 EfficiOS Inc.
  * Copyright (C) 2019 Yannick Lamarre <ylamarre@efficios.com>
  *
- * SPDX-License-Identifier: GPL-2.0-only
+ * SPDX-License-Identifier: LGPL-2.1-only
  *
  */
 
@@ -17,7 +17,7 @@
 
 #include "poll.h"
 
-#if HAVE_EPOLL
+#ifdef HAVE_EPOLL
 
 #include <fcntl.h>
 #include <limits.h>