Added PZDEBUG symbol. This triggers the debug code of pole zero analysis.

acconfig.h

@@ -50,6 +50,9 @@
 /* We do not want spurios debug info into non-developer code */
 #undef FTEDEBUG
 
+/* Define if you want to debug pole-zero analysis */
+#undef PZDEBUG
+
 /* Do not trigger unwanted traps by default */
 #undef NEWTRUNC
   

configure.in

@@ -69,7 +69,11 @@ AC_ARG_ENABLE(sensedebug,
     
 dnl --enable-stepdebug : define STEPDEBUG for the code
 AC_ARG_ENABLE(stepdebug,
-    [  --enable-stepdebug      Unkown debug option])     
+    [  --enable-stepdebug      Unknown debug option])     
+
+dnl --enable-pzdebug   : define PZDEBUG for the code
+AC_ARG_ENABLE(pzdebug,
+    [  --enable-pzdebug        Debug pole/zero code])     
 
 dnl --enable-intnoise : define INT_NOISE for the code
 AC_ARG_ENABLE(intnoise,
@@ -366,6 +370,10 @@ if test "$enable_stepdebug" = "yes"; then
         AC_DEFINE(STEPDEBUG)
         AC_MSG_RESULT(WARNING: STEPDEBUG debug is enabled)	
 fi
+if test "$enable_pzdebug" = "yes"; then
+        AC_DEFINE(PZDEBUG)
+        AC_MSG_RESULT(WARNING: Pole/Zero analysis debug is enabled)	
+fi
 
 if test "$enable_ekv" = "yes"; then
     AC_MSG_RESULT(Model EKV included)