diff --git a/Makefile b/Makefile
index 67370d3..2e41870 100644
--- a/Makefile
+++ b/Makefile
@@ -1,10 +1,14 @@
 INCLUDES=-I.
 VNCSERVERLIB=-L. -lvncserver -L/usr/local/lib -lz -ljpeg
 
+#CXX=
 CXX=g++
 CC=gcc
 LINK=gcc
 
+# for IRIX
+#EXTRALIBS=-L/usr/lib32
+
 # for Solaris
 #EXTRALIBS=-lsocket -lnsl -L/usr/X/lib
 
diff --git a/rfbserver.c b/rfbserver.c
index ecbc4e6..ec725e9 100644
--- a/rfbserver.c
+++ b/rfbserver.c
@@ -258,7 +258,9 @@ rfbNewTCPOrUDPClient(rfbScreen,sock,isUDP)
       cl->preferredEncoding = rfbEncodingRaw;
       cl->correMaxWidth = 48;
       cl->correMaxHeight = 48;
+#ifdef HAVE_ZRLE
       cl->zrleData = 0;
+#endif
 
       cl->copyRegion = sraRgnCreate();
       cl->copyDX = 0;