From 0016bfe926236765115a7b1fc72921afade746d0 Mon Sep 17 00:00:00 2001
From: Jiri Horner <laeqten@gmail.com>
Date: Thu, 8 Jun 2017 11:40:10 +0200
Subject: [PATCH] feature2d: name enum to fix build with older gcc

---
 modules/features2d/perf/perf_feature2d.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/features2d/perf/perf_feature2d.hpp b/modules/features2d/perf/perf_feature2d.hpp
index eef58621f4..d190fc56c1 100644
--- a/modules/features2d/perf/perf_feature2d.hpp
+++ b/modules/features2d/perf/perf_feature2d.hpp
@@ -22,7 +22,7 @@ using std::tr1::get;
     BRISK_DEFAULT,                                                                      \
     KAZE_DEFAULT
 
-enum { DETECTORS_ONLY, DETECTORS_EXTRACTORS };
+enum Feature2DVals { DETECTORS_ONLY, DETECTORS_EXTRACTORS };
 CV_ENUM(Feature2DType, DETECTORS_ONLY, DETECTORS_EXTRACTORS)
 
 typedef std::tr1::tuple<Feature2DType, string> Feature2DType_String_t;