Make gcc 4 happy

diff --git a/callback.h b/callback.h
index 01d5a23ac1d4d83330dfa567813d9daa13298121..38f236142fb53ed29147bc195c2b03664b279054 100644 (file)
--- a/callback.h
+++ b/callback.h
@@ -24,6 +24,7 @@
 class Callback
 {
   public:
+    virtual ~Callback() {}
     virtual void call(void* caller)=0;
 };
 

diff --git a/draintarget.cc b/draintarget.cc
index 25b89e46512dd8fecee11aeb715ed452329feb07..8dd74a4232441f55e44a0ca61a0284dc51596107 100644 (file)
--- a/draintarget.cc
+++ b/draintarget.cc
@@ -24,4 +24,4 @@ DrainTarget::DrainTarget(){
 }
 DrainTarget::~DrainTarget(){
 
-}
\ No newline at end of file
+}

diff --git a/thread.h b/thread.h
index 0cb639acba25d49d7743a449662504c945113ea6..16178e0e6fa68a14b98c07ebedaf5a8c2ee728af 100644 (file)
--- a/thread.h
+++ b/thread.h
@@ -51,6 +51,7 @@ class Thread
 
   public:
     Thread();
+    virtual ~Thread() {}
     void threadInternalStart2();
 };
 

diff --git a/timerreceiver.h b/timerreceiver.h
index 4c3740118dd2998337bdb9af29dea05601ebca30..68e5064480fac0a7841eec610e302799bff566ed 100755 (executable)
--- a/timerreceiver.h
+++ b/timerreceiver.h
@@ -24,6 +24,7 @@
 class TimerReceiver
 {
   public:
+    virtual ~TimerReceiver() {}
     virtual void timercall(int clientReference)=0;
 };