[lttng-dev] [PATCH babeltrace] Build: add version check on autoconf

[Jonathan Rajotte]

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien at efficios.com>
---
 configure.ac | 1 +
 1 file changed, 1 insertion(+)

diff --git a/configure.ac b/configure.ac
index f8d43d8..afd6db5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,7 @@
 #                                               -*- Autoconf -*-
 # Process this file with autoconf to produce a configure script.
 
+AC_PREREQ([2.50])
 AC_INIT([babeltrace],[1.3.0-pre],[jeremie dot galarneau at efficios dot com])
 
 # Following the numbering scheme proposed by libtool for the library version
-- 
2.1.4