10 files changed, 29 insertions, 16 deletions
diff --git a/gnuradio-core/src/lib/CMakeLists.txt b/gnuradio-core/src/lib/CMakeLists.txt
index 32fe26945..c061a5723 100644
--- a/gnuradio-core/src/lib/CMakeLists.txt
+++ b/gnuradio-core/src/lib/CMakeLists.txt
@@ -58,7 +58,6 @@ link_directories(
 # Setup library
 ########################################################################
 list(APPEND gnuradio_core_libs
-    ${GRAS_LIBRARIES}
     gruel
     ${Boost_LIBRARIES}
     ${FFTW3F_LIBRARIES}
diff --git a/gnuradio-core/src/lib/runtime/gr_block.cc b/gnuradio-core/src/lib/runtime/gr_block.cc
index dae266c87..ed390e71f 100644
--- a/gnuradio-core/src/lib/runtime/gr_block.cc
+++ b/gnuradio-core/src/lib/runtime/gr_block.cc
@@ -43,6 +43,11 @@ gr_block::gr_block(
     this->set_output_signature(output_signature);
 }
 
+gr_block::~gr_block(void)
+{
+    //NOP
+}
+
 void gr_block::notify_active(void)
 {
     this->start();
@@ -77,16 +82,6 @@ bool gr_block::check_topology(int, int)
     return true;
 }
 
-const gr_io_signature_sptr &gr_block::input_signature(void) const
-{
-    return gras::Block::input_signature();
-}
-
-const gr_io_signature_sptr &gr_block::output_signature(void) const
-{
-    return gras::Block::output_signature();
-}
-
 void gr_block::work(
     const InputItems &input_items,
     const OutputItems &output_items
diff --git a/gnuradio-core/src/lib/runtime/gr_block.h b/gnuradio-core/src/lib/runtime/gr_block.h
index 2a57792a0..0004f887b 100644
--- a/gnuradio-core/src/lib/runtime/gr_block.h
+++ b/gnuradio-core/src/lib/runtime/gr_block.h
@@ -52,6 +52,8 @@ struct GR_CORE_API gr_block : gras::Block
         gr_io_signature_sptr output_signature
     );
 
+    virtual ~gr_block(void);
+
     virtual bool check_topology(int ninputs, int noutputs);
 
     //! Overload me! I am the forecast
@@ -143,10 +145,6 @@ struct GR_CORE_API gr_block : gras::Block
 
     bool is_set_max_noutput_items(void) const;
 
-    const gr_io_signature_sptr &input_signature(void) const;
-
-    const gr_io_signature_sptr &output_signature(void) const;
-
     /*******************************************************************
      * Deal with input and output port configuration
      ******************************************************************/
diff --git a/gnuradio-core/src/lib/runtime/gr_sync_block.cc b/gnuradio-core/src/lib/runtime/gr_sync_block.cc
index 492fe2c2a..96b5e6253 100644
--- a/gnuradio-core/src/lib/runtime/gr_sync_block.cc
+++ b/gnuradio-core/src/lib/runtime/gr_sync_block.cc
@@ -41,6 +41,11 @@ gr_sync_block::gr_sync_block(
     this->set_fixed_rate(true);
 }
 
+gr_sync_block::~gr_sync_block(void)
+{
+    //NOP
+}
+
 int gr_sync_block::work(
     int noutput_items,
     gr_vector_const_void_star &input_items,
diff --git a/gnuradio-core/src/lib/runtime/gr_sync_block.h b/gnuradio-core/src/lib/runtime/gr_sync_block.h
index d0ce95bca..90370dd2b 100644
--- a/gnuradio-core/src/lib/runtime/gr_sync_block.h
+++ b/gnuradio-core/src/lib/runtime/gr_sync_block.h
@@ -29,6 +29,8 @@ struct GR_CORE_API gr_sync_block : public gr_block
         gr_io_signature_sptr output_signature
     );
 
+    virtual ~gr_sync_block(void);
+
     //! implements work -> calls work
     int general_work(
         int noutput_items,
diff --git a/gnuradio-core/src/lib/runtime/gr_sync_decimator.cc b/gnuradio-core/src/lib/runtime/gr_sync_decimator.cc
index 4574116bc..a39c53b09 100644
--- a/gnuradio-core/src/lib/runtime/gr_sync_decimator.cc
+++ b/gnuradio-core/src/lib/runtime/gr_sync_decimator.cc
@@ -41,3 +41,8 @@ gr_sync_decimator::gr_sync_decimator(
 {
     this->set_decimation(decim_rate);
 }
+
+gr_sync_decimator::~gr_sync_decimator(void)
+{
+    //NOP
+}
diff --git a/gnuradio-core/src/lib/runtime/gr_sync_decimator.h b/gnuradio-core/src/lib/runtime/gr_sync_decimator.h
index 6f366037f..dd7de7d1f 100644
--- a/gnuradio-core/src/lib/runtime/gr_sync_decimator.h
+++ b/gnuradio-core/src/lib/runtime/gr_sync_decimator.h
@@ -31,6 +31,8 @@ struct GR_CORE_API gr_sync_decimator : gr_sync_block
         const size_t decim_rate
     );
 
+    virtual ~gr_sync_decimator(void);
+
 };
 
 #endif /*INCLUDED_GNURADIO_GR_SYNC_DECIMATOR_H*/
diff --git a/gnuradio-core/src/lib/runtime/gr_sync_interpolator.cc b/gnuradio-core/src/lib/runtime/gr_sync_interpolator.cc
index 28a878eb2..17f60e613 100644
--- a/gnuradio-core/src/lib/runtime/gr_sync_interpolator.cc
+++ b/gnuradio-core/src/lib/runtime/gr_sync_interpolator.cc
@@ -41,3 +41,8 @@ gr_sync_interpolator::gr_sync_interpolator(
 {
     this->set_interpolation(interp_rate);
 }
+
+gr_sync_interpolator::~gr_sync_interpolator(void)
+{
+    //NOP
+}
diff --git a/gnuradio-core/src/lib/runtime/gr_sync_interpolator.h b/gnuradio-core/src/lib/runtime/gr_sync_interpolator.h
index 485e5c101..0ed8c6f56 100644
--- a/gnuradio-core/src/lib/runtime/gr_sync_interpolator.h
+++ b/gnuradio-core/src/lib/runtime/gr_sync_interpolator.h
@@ -31,6 +31,8 @@ struct GR_CORE_API gr_sync_interpolator : gr_sync_block
         const size_t interp_rate
     );
 
+    virtual ~gr_sync_interpolator(void);
+
 };
 
 #endif /*INCLUDED_GNURADIO_GR_SYNC_INTERPOLATOR_H*/
diff --git a/gnuradio-core/src/lib/swig/CMakeLists.txt b/gnuradio-core/src/lib/swig/CMakeLists.txt
index 4e803639e..d8a64cc0f 100644
--- a/gnuradio-core/src/lib/swig/CMakeLists.txt
+++ b/gnuradio-core/src/lib/swig/CMakeLists.txt
@@ -27,7 +27,7 @@ set(GR_SWIG_INCLUDE_DIRS
     ${GRUEL_INCLUDE_DIRS}
     ${Boost_INCLUDE_DIRS}
 )
-set(GR_SWIG_LIBRARIES ${GRAS_LIBRARIES} gnuradio-core)
+set(GR_SWIG_LIBRARIES gnuradio-core)
 
 link_directories(${Boost_LIBRARY_DIRS})