diff --git a/compiler.h b/compiler.h
index 838416b8f..8f692817b 100644
--- a/compiler.h
+++ b/compiler.h
@@ -19,7 +19,7 @@
  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  */
 #ifdef HAVE_CVS_IDENT
-#ident "$Id: compiler.h,v 1.26.2.1 2006/04/01 01:37:24 steve Exp $"
+#ident "$Id: compiler.h,v 1.26.2.2 2006/04/23 04:25:45 steve Exp $"
 #endif
 
 # include  <list>
@@ -85,6 +85,7 @@ extern bool debug_scopes;
 extern bool debug_eval_tree;
 extern bool debug_elaborate;
 extern bool debug_synth;
+extern bool debug_cprop;
 
 /* Path to a directory useful for finding subcomponents. */
 extern const char*basedir;
@@ -137,6 +138,9 @@ extern int load_sys_func_table(const char*path);
 
 /*
  * $Log: compiler.h,v $
+ * Revision 1.26.2.2  2006/04/23 04:25:45  steve
+ *  Add cprop debugging.
+ *
  * Revision 1.26.2.1  2006/04/01 01:37:24  steve
  *  Add synth debug flag
  *
diff --git a/main.cc b/main.cc
index aeeedc86a..c3c2b502c 100644
--- a/main.cc
+++ b/main.cc
@@ -19,7 +19,7 @@ const char COPYRIGHT[] =
  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  */
 #ifdef HAVE_CVS_IDENT
-#ident "$Id: main.cc,v 1.86.2.1 2006/04/01 01:37:24 steve Exp $"
+#ident "$Id: main.cc,v 1.86.2.2 2006/04/23 04:25:45 steve Exp $"
 #endif
 
 # include "config.h"
@@ -113,6 +113,7 @@ bool debug_scopes = false;
 bool debug_eval_tree = false;
 bool debug_elaborate = false;
 bool debug_synth = false;
+bool debug_cprop = false;
 
 /*
  * Verbose messages enabled.
@@ -319,6 +320,9 @@ static void read_iconfig_file(const char*ipath)
 		  } else if (strcmp(cp,"synth") == 0) {
 			debug_synth = true;
 			cerr << "debug: Enable synthesis debug" << endl;
+		  } else if (strcmp(cp,"cprop") == 0) {
+			debug_cprop = true;
+			cerr << "debug: Enable cprop debug" << endl;
 		  } else {
 		  }
 
@@ -749,6 +753,9 @@ int main(int argc, char*argv[])
 
 /*
  * $Log: main.cc,v $
+ * Revision 1.86.2.2  2006/04/23 04:25:45  steve
+ *  Add cprop debugging.
+ *
  * Revision 1.86.2.1  2006/04/01 01:37:24  steve
  *  Add synth debug flag
  *