--- libelwix/configure.in	2023/07/27 21:52:03	1.64.2.2
+++ libelwix/configure.in	2024/01/22 15:09:01	1.64.2.3
@@ -1,6 +1,6 @@
 #
 # $Author: misho $
-# $Id: configure.in,v 1.64.2.2 2023/07/27 21:52:03 misho Exp $
+# $Id: configure.in,v 1.64.2.3 2024/01/22 15:09:01 misho Exp $
 #
 AC_INIT(libelwix, 5.8, misho@elwix.org)
 AC_CONFIG_SRCDIR([src/elwix.c])
@@ -46,7 +46,7 @@ AC_ARG_ENABLE(debug,
 				CFLAGS="-g ${CFLAGS}"
 				;;
 			*)
-				AC_DEFINE(NDEBUG,, [Build w/o assert() support])
+				AC_DEFINE(NDEBUG, 1, [Build w/o assert() support])
 				;;
 		esac ],)
 AC_MSG_RESULT($DEBUG)
@@ -66,6 +66,20 @@ AC_ARG_WITH(memmgr,
 			;;
 	  esac ], AC_DEFINE(MEMMGR, ELWIX_MPOOL, [ELWIX memory manager]))
 AC_MSG_RESULT($MEMMGR)
+
+PELCO=no
+AC_MSG_CHECKING(Pelco support)
+AC_ARG_ENABLE(pelco, 
+	      [  --enable-pelco       Pelco support for ELWIX], 
+	      [ case "$enableval" in 
+		 	yes)
+				AC_DEFINE(PELCO_SUPPORT,, [Pelco support])
+				PELCO=yes
+				;;
+			*)
+				;;
+		  esac ],)
+AC_MSG_RESULT($PELCO)
 
 AC_CONFIG_FILES([Makefile
                  inc/Makefile