Added missing pure virtual destructors to base classes

6 files changed, 22 insertions, 4 deletions

diff --git a/host/lib/usrp/x300/x300_adc_ctrl.cpp b/host/lib/usrp/x300/x300_adc_ctrl.cpp
index 75bfb048c..53d1662ae 100644
--- a/host/lib/usrp/x300/x300_adc_ctrl.cpp
+++ b/host/lib/usrp/x300/x300_adc_ctrl.cpp
@@ -1,5 +1,5 @@
 //
-// Copyright 2010-2013 Ettus Research LLC
+// Copyright 2010-2014 Ettus Research LLC
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
@@ -25,6 +25,10 @@
 
 using namespace uhd;
 
+x300_adc_ctrl::~x300_adc_ctrl(void){
+    /* NOP */
+}
+
 /*!
  * A X300 codec control specific to the ads62p48 ic.
  */
diff --git a/host/lib/usrp/x300/x300_adc_ctrl.hpp b/host/lib/usrp/x300/x300_adc_ctrl.hpp
index fce40a434..c8ce19c94 100644
--- a/host/lib/usrp/x300/x300_adc_ctrl.hpp
+++ b/host/lib/usrp/x300/x300_adc_ctrl.hpp
@@ -1,5 +1,5 @@
 //
-// Copyright 2010-2013 Ettus Research LLC
+// Copyright 2010-2014 Ettus Research LLC
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
@@ -27,6 +27,8 @@ class x300_adc_ctrl : boost::noncopyable
 public:
     typedef boost::shared_ptr<x300_adc_ctrl> sptr;
 
+    virtual ~x300_adc_ctrl(void) = 0;
+
     /*!
      * Make a codec control for the ADC.
      * \param iface a pointer to the interface object
diff --git a/host/lib/usrp/x300/x300_clock_ctrl.cpp b/host/lib/usrp/x300/x300_clock_ctrl.cpp
index da97dd2cf..d30c31127 100644
--- a/host/lib/usrp/x300/x300_clock_ctrl.cpp
+++ b/host/lib/usrp/x300/x300_clock_ctrl.cpp
@@ -28,6 +28,10 @@ static const double X300_REF_CLK_OUT_RATE  = 10e6;
 
 using namespace uhd;
 
+x300_clock_ctrl::~x300_clock_ctrl(void){
+    /* NOP */
+}
+
 class x300_clock_ctrl_impl : public x300_clock_ctrl    {
 
 public:
diff --git a/host/lib/usrp/x300/x300_clock_ctrl.hpp b/host/lib/usrp/x300/x300_clock_ctrl.hpp
index e9904d25c..40b62b09a 100644
--- a/host/lib/usrp/x300/x300_clock_ctrl.hpp
+++ b/host/lib/usrp/x300/x300_clock_ctrl.hpp
@@ -42,6 +42,8 @@ public:
 
     typedef boost::shared_ptr<x300_clock_ctrl> sptr;
 
+    virtual ~x300_clock_ctrl(void) = 0;
+
     static sptr make(uhd::spi_iface::sptr spiface,
             const size_t slaveno,
             const size_t hw_rev,
diff --git a/host/lib/usrp/x300/x300_dac_ctrl.cpp b/host/lib/usrp/x300/x300_dac_ctrl.cpp
index 5eae9cc48..a9d9a7730 100644
--- a/host/lib/usrp/x300/x300_dac_ctrl.cpp
+++ b/host/lib/usrp/x300/x300_dac_ctrl.cpp
@@ -1,5 +1,5 @@
 //
-// Copyright 2010-2013 Ettus Research LLC
+// Copyright 2010-2014 Ettus Research LLC
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
@@ -32,6 +32,10 @@ using namespace uhd;
 #define read_ad9146_reg(addr) \
     (_iface->read_spi(_slaveno, spi_config_t::EDGE_RISE, ((addr) << 8) | (1 << 15), 16) & 0xff)
 
+x300_dac_ctrl::~x300_dac_ctrl(void){
+    /* NOP */
+}
+
 /*!
  * A X300 codec control specific to the ad9146 ic.
  */
diff --git a/host/lib/usrp/x300/x300_dac_ctrl.hpp b/host/lib/usrp/x300/x300_dac_ctrl.hpp
index 0db7e1e35..78046cee5 100644
--- a/host/lib/usrp/x300/x300_dac_ctrl.hpp
+++ b/host/lib/usrp/x300/x300_dac_ctrl.hpp
@@ -1,5 +1,5 @@
 //
-// Copyright 2010-2013 Ettus Research LLC
+// Copyright 2010-2014 Ettus Research LLC
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
@@ -27,6 +27,8 @@ class x300_dac_ctrl : boost::noncopyable
 public:
     typedef boost::shared_ptr<x300_dac_ctrl> sptr;
 
+    virtual ~x300_dac_ctrl(void) = 0;
+
     /*!
      * Make a codec control for the DAC.
      * \param iface a pointer to the interface object