From 63b05200220bc2059259af089be0b562de6a19b4 Mon Sep 17 00:00:00 2001
From: Johnathan Corgan
Date: Sun, 26 Feb 2012 15:28:33 -0800
Subject: core: add null constructors to sync_* blocks

---
 gnuradio-core/src/lib/runtime/gr_sync_decimator.h    | 2 +-
 gnuradio-core/src/lib/runtime/gr_sync_interpolator.h | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

(limited to 'gnuradio-core/src/lib/runtime')

diff --git a/gnuradio-core/src/lib/runtime/gr_sync_decimator.h b/gnuradio-core/src/lib/runtime/gr_sync_decimator.h
index b2ed3c4fe..7228d3655 100644
--- a/gnuradio-core/src/lib/runtime/gr_sync_decimator.h
+++ b/gnuradio-core/src/lib/runtime/gr_sync_decimator.h
@@ -38,7 +38,7 @@ class GR_CORE_API gr_sync_decimator : public gr_sync_block
   unsigned	d_decimation;
 
  protected:
-
+  gr_sync_decimator (void){} //allows pure virtual interface sub-classes
   gr_sync_decimator (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_sync_interpolator.h b/gnuradio-core/src/lib/runtime/gr_sync_interpolator.h
index d65b3da1e..c332a5272 100644
--- a/gnuradio-core/src/lib/runtime/gr_sync_interpolator.h
+++ b/gnuradio-core/src/lib/runtime/gr_sync_interpolator.h
@@ -38,6 +38,7 @@ class GR_CORE_API gr_sync_interpolator : public gr_sync_block
   unsigned	d_interpolation;
 
  protected:
+  gr_sync_interpolator (void){} //allows pure virtual interface sub-classes
   gr_sync_interpolator (const std::string &name,
 			gr_io_signature_sptr input_signature,
 			gr_io_signature_sptr output_signature,
-- 
cgit