7 files changed, 9 insertions, 5 deletions
diff --git a/gnuradio-core/src/lib/runtime/gr_basic_block.h b/gnuradio-core/src/lib/runtime/gr_basic_block.h
index ce7a1aa1d..3b0cd51dd 100644
--- a/gnuradio-core/src/lib/runtime/gr_basic_block.h
+++ b/gnuradio-core/src/lib/runtime/gr_basic_block.h
@@ -73,6 +73,8 @@ protected:
     long                 d_unique_id;
     vcolor               d_color;
 
+    gr_basic_block(void){} //allows pure virtual interface sub-classes
+
     //! Protected constructor prevents instantiation by non-derived classes
     gr_basic_block(const std::string &name,
                    gr_io_signature_sptr input_signature,
diff --git a/gnuradio-core/src/lib/runtime/gr_block.h b/gnuradio-core/src/lib/runtime/gr_block.h
index ad7fa9555..fc22f9ea8 100644
--- a/gnuradio-core/src/lib/runtime/gr_block.h
+++ b/gnuradio-core/src/lib/runtime/gr_block.h
@@ -236,7 +236,7 @@ class gr_block : public gr_basic_block {
   tag_propagation_policy_t d_tag_propagation_policy; // policy for moving tags downstream
     
  protected:
-
+  gr_block (void){} //allows pure virtual interface sub-classes
   gr_block (const std::string &name,
             gr_io_signature_sptr input_signature,
             gr_io_signature_sptr output_signature);
diff --git a/gnuradio-core/src/lib/runtime/gr_buffer.h b/gnuradio-core/src/lib/runtime/gr_buffer.h
index aa26f1e09..e5725d386 100644
--- a/gnuradio-core/src/lib/runtime/gr_buffer.h
+++ b/gnuradio-core/src/lib/runtime/gr_buffer.h
@@ -1,6 +1,6 @@
 /* -*- c++ -*- */
 /*
- * Copyright 2004,2009,2010 Free Software Foundation, Inc.
+ * Copyright 2004,2009,2010,2011 Free Software Foundation, Inc.
  * 
  * This file is part of GNU Radio
  * 
@@ -27,6 +27,7 @@
 #include <boost/weak_ptr.hpp>
 #include <gruel/thread.h>
 #include <gruel/pmt.h>
+#include <deque>
 
 class gr_vmcircbuf;
 
diff --git a/gnuradio-core/src/lib/runtime/gr_error_handler.cc b/gnuradio-core/src/lib/runtime/gr_error_handler.cc
index 6dbb0a5d2..4b4cdacef 100644
--- a/gnuradio-core/src/lib/runtime/gr_error_handler.cc
+++ b/gnuradio-core/src/lib/runtime/gr_error_handler.cc
@@ -48,7 +48,6 @@
 #include <assert.h>
 #include <stdexcept>
 #include <unistd.h>
-#include <stdio.h>
 
 #ifdef HAVE_IO_H
 #include <io.h>
diff --git a/gnuradio-core/src/lib/runtime/gr_error_handler.h b/gnuradio-core/src/lib/runtime/gr_error_handler.h
index 530a2c23c..aedb6f41f 100644
--- a/gnuradio-core/src/lib/runtime/gr_error_handler.h
+++ b/gnuradio-core/src/lib/runtime/gr_error_handler.h
@@ -45,6 +45,7 @@
 
 #include <stdarg.h>
 #include <string>
+#include <cstdio>  // for FILE
 
 /*!
  * \brief abstract error handler
diff --git a/gnuradio-core/src/lib/runtime/gr_flowgraph.cc b/gnuradio-core/src/lib/runtime/gr_flowgraph.cc
index 27f6257cc..0d3bbb011 100644
--- a/gnuradio-core/src/lib/runtime/gr_flowgraph.cc
+++ b/gnuradio-core/src/lib/runtime/gr_flowgraph.cc
@@ -1,6 +1,6 @@
 /* -*- c++ -*- */
 /*
- * Copyright 2007 Free Software Foundation, Inc.
+ * Copyright 2007,2011 Free Software Foundation, Inc.
  * 
  * This file is part of GNU Radio
  * 
@@ -28,6 +28,7 @@
 #include <gr_io_signature.h>
 #include <stdexcept>
 #include <sstream>
+#include <iterator>
 
 #define GR_FLOWGRAPH_DEBUG 0
 
diff --git a/gnuradio-core/src/lib/runtime/gr_sync_block.h b/gnuradio-core/src/lib/runtime/gr_sync_block.h
index 3a5d89d19..c5a6a50f1 100644
--- a/gnuradio-core/src/lib/runtime/gr_sync_block.h
+++ b/gnuradio-core/src/lib/runtime/gr_sync_block.h
@@ -34,7 +34,7 @@
 class gr_sync_block : public gr_block
 {
  protected:
-
+  gr_sync_block (void){} //allows pure virtual interface sub-classes
   gr_sync_block (const std::string &name,
 		 gr_io_signature_sptr input_signature,
 		 gr_io_signature_sptr output_signature);