From d707afe2587e1f2727dfd2d181b745c598d9efaa Mon Sep 17 00:00:00 2001
From: Stanislaw Halik <sthalik@misaki.pl>
Date: Sat, 30 Jul 2016 20:15:44 +0200
Subject: logic/track-logger: add virtual dtor to parent class

It's defined out-of-line so that vtable is emitted only once.
---
 opentrack-logic/tracklogger.cpp | 2 ++
 opentrack-logic/tracklogger.hpp | 1 +
 2 files changed, 3 insertions(+)

(limited to 'opentrack-logic')

diff --git a/opentrack-logic/tracklogger.cpp b/opentrack-logic/tracklogger.cpp
index f007c2bc..c644df16 100644
--- a/opentrack-logic/tracklogger.cpp
+++ b/opentrack-logic/tracklogger.cpp
@@ -1,6 +1,8 @@
 #include "tracklogger.hpp"
 #include "tracker.h"
 
+TrackLogger::~TrackLogger() {}
+
 void TrackLoggerCSV::handle_first_col_sep()
 {
     if (!first_col)
diff --git a/opentrack-logic/tracklogger.hpp b/opentrack-logic/tracklogger.hpp
index 65128d48..b4fcefc3 100644
--- a/opentrack-logic/tracklogger.hpp
+++ b/opentrack-logic/tracklogger.hpp
@@ -17,6 +17,7 @@ public:
     virtual void write(const char *)
     {
     }
+    virtual ~TrackLogger();
 
     virtual void write(const double *, int n)
     {
-- 
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