diff -Naur emu-1.10.5/configure.in emu-1.10.5-g/configure.in
--- emu-1.10.5/configure.in	2005-12-06 12:16:04.000000000 +0000
+++ emu-1.10.5-g/configure.in	2006-07-08 20:36:18.000000000 +0000
@@ -162,11 +162,13 @@
 #	
 #--------------------------------------------------------------------
 
+AC_MSG_CHECKING([whether to enable estools])
 AC_ARG_WITH( estools, [  --with-estools          use the Edinburgh Speech Tools library for file i/o, 
                           usage: --with-estools=/path/to/speech_tools], 
 	EDINBURGH_DIR=$with_estools )	
+AC_MSG_RESULT($with_estools)
 
-if eval "test x$with_estools != x"; then
+if eval "test x$with_estools != x -a x$with_estools != xno"; then
 	TRACK_INCLUDE="$TRACK_INCLUDE -DWITH_EDINBURGH -I$EDINBURGH_DIR/include "
 	TRACK_LIB="$TRACK_LIB -L$EDINBURGH_DIR/lib -lestools -leststring -lestbase "
 fi
@@ -176,11 +178,13 @@
 #	
 #--------------------------------------------------------------------
 
+AC_MSG_CHECKING([whether to enable esps])
 AC_ARG_WITH( esps, [  --with-esps             use the Entropic ESPS libraries for file i/o, 
                           usage: --with-esps=/path/to/esps], 
 	ESPS_DIR=$with_esps )	
+AC_MSG_RESULT($with_esps)
 
-if eval "test x$with_esps != x"; then
+if eval "test x$with_esps != x -a x$with_esps != xno"; then
 	TRACK_INCLUDE="$TRACK_INCLUDE -DUSE_ESPS -I$ESPS_DIR/include"
 	TRACK_LIB="$TRACK_LIB -L$ESPS_DIR/lib -lhdre -lespsg $SOCKET_LIBS"
 fi
@@ -191,14 +195,16 @@
 #	
 #--------------------------------------------------------------------
 
+AC_MSG_CHECKING([whether to enable NIST SPHERE support])
 AC_ARG_WITH( nist, [  --with-nist             use the NIST SPHERE toolkit for file i/o,
                           usage: --with-nist=/path/to/nist], NIST_DIR="$with_nist" )
+AC_MSG_RESULT($with_nist)
 
 # if we have esps, we don't need to link against the nist libraries
-if eval "test x$with_nist != x"; then
+if eval "test x$with_nist != x -a x$with_nist != xno"; then
 
  	TRACK_INCLUDE="$TRACK_INCLUDE -DWITH_NIST -I$NIST_DIR/include "
-     	if eval "test x$with_esps = x"; then
+     	if eval "test x$with_esps = x -a x$with_esps != xno"; then
 		TRACK_LIB="$TRACK_LIB $NIST_DIR/lib/libsp.a $NIST_DIR/lib/libutil.a -lm "
 	fi
 fi
@@ -426,11 +432,13 @@
 # need to choose between Sun and Linux sound support, or no support at all
 #-----------------------------------------------------------------------
 
+AC_MSG_CHECKING([whether to enable nas support])
 AC_ARG_WITH( nas, [  --with-nas              include support for NAS audio playback, 
                           usage: --with-nas=/path/to/nas], 
 	NAS_DIR=$with_nas )	
+AC_MSG_RESULT($with_nas)
 
-if eval "test x$with_nas != x"; then
+if eval "test x$with_nas != x -a x$with_nas != xno"; then
 	NAS_DEFINES="-DWITH_NAS -I$NAS_DIR/usr.include"
 	NAS_LIB="$NAS_DIR/lib/audio/libaudio.a -L$x_libraries -lXau $SOCKET_LIBS"
 	NAS_OBJ=nas-sound.o