From 2ce67d5d5310166f9d06d88fb11d5d0896794404 Mon Sep 17 00:00:00 2001
From: James Fish <james@fishcakez.com>
Date: Thu, 23 Oct 2014 16:45:30 +0100
Subject: [PATCH] Fix line numbers detection in tests for OTP >= 17

---
 test/lager_test_backend.erl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/lager_test_backend.erl b/test/lager_test_backend.erl
index dc772e8..71b9de9 100644
--- a/test/lager_test_backend.erl
+++ b/test/lager_test_backend.erl
@@ -109,7 +109,7 @@ print_bad_state() ->
 has_line_numbers() ->
     %% are we R15 or greater
     Rel = erlang:system_info(otp_release),
-    {match, [Major]} = re:run(Rel, "^R(\\d+)[A|B](|0(\\d))", [{capture, [1], list}]),
+    {match, [Major]} = re:run(Rel, "(?|(^R(\\d+)[A|B](|0(\\d)))|(^(\\d+)$))", [{capture, [2], list}]),
     list_to_integer(Major) >= 15.
 
 not_running_test() ->