--- xserver-old/xserver/configure.ac	2003-12-02 02:59:38.000000000 +0100
+++ xserver/xserver/configure.ac	2003-12-04 08:56:01.000000000 +0100
@@ -88,6 +88,7 @@
 AC_ARG_ENABLE(shape,         [  --disable-shape ],[SHAPE=$enableval],[SHAPE=yes])
 AC_ARG_ENABLE(xv,            [  --enable-xv ],[XV=$enableval],[XV=no])
 AC_ARG_ENABLE(composite,     [  --enable-composite ],[COMPOSITE=$enableval],[COMPOSITE=no])
+AC_ARG_ENABLE(serialtouch,   [  --enable-serialtouch ],[STOUCH=$enableval],[STOUCH=no])
 AC_ARG_ENABLE(mitshm,        [  --disable-shm ],[MITSHM=$enableval],[MITSHM=yes])
 AC_ARG_ENABLE(xres,          [  --disable-res ],[RES=$enableval],[RES=yes])
 AC_ARG_ENABLE(kdriveserver,  [  --disable-kdriveserver ],[KDRIVESERVER=$enableval],[KDRIVESERVER=yes])
@@ -131,6 +132,11 @@
 	AC_DEFINE(MITSHM,1,[Support MIT-SHM Extension])
 fi
 
+AM_CONDITIONAL(STOUCH, [test x$STOUCH = xyes])
+if test "$STOUCH" = yes; then
+        AC_DEFINE(STOUCH,1,[Build Serial Touchscreen])
+fi
+
 AM_CONDITIONAL(KDRIVESERVER, [test x$KDRIVESERVER = xyes])
 if test "$KDRIVESERVER" = yes; then
 	AC_DEFINE(KDRIVESERVER,1,[Build Kdrive X server])