Index: mttroot/mtt/bin/mtt
==================================================================
--- mttroot/mtt/bin/mtt
+++ mttroot/mtt/bin/mtt
@@ -12,10 +12,13 @@
 ###############################################################
 ## Version control history
 ###############################################################
 ## $Header$
 ## $Log$
+## Revision 1.95  1997/12/04 10:05:02  peterg
+## Compiler now symbolocic $cc
+##
 # Revision 1.94  1997/11/20  11:23:16  peterg
 # Changed gcc to cc
 #
 ## Revision 1.93  1997/09/18 16:57:28  peterg
 ## _sympar.txt now has a second column - the system type from whence the
@@ -352,10 +355,12 @@
 while [ -n "`echo $1 | grep '-'`" ]; do
   mtt_switches="$mtt_switches $1"
   case $1 in
 	-q )
 		quiet=quiet ;;
+	-p )
+		print='-p';;
 	-c )
 		computation=c ;;
 	-o )
 		dae_is_ode=1 ;;
 	-s )
@@ -366,21 +371,29 @@
 		echo "$1 is an invalid argument - ignoring" ;;
   esac
   shift
 done
 
-
 #Print header if not in quiet (-q) mode.
 if [ "$quiet" != "quiet" ]; then
   echo
   echo 'MTT (Model Transformation Tools) version 2.5++ ($Date$)'
   echo 'This is free software with ABSOLUTELY NO WARRANTY.'
   echo 'Type `mtt warranty'\' 'for details.'
   echo
 fi
+
+#Check the principle paths
+mtt_check_vars $print
+
+# Exit if just printing paths
+if [ "$print" != "" ]; then
+  exit
+fi
 
 if [ -z "$1" ]; then
+  if [ -z "$print" ]; then
     echo 'Usage: mtt help             -- mtt on-line help'
     echo '       mtt info             -- info-based manual'
     echo '       mtt info topic'
     echo '       mtt hinfo            -- hypertext manual'
     echo '       mtt manual           -- dvi manual'
@@ -390,14 +403,16 @@
     echo '       mtt copy <system_name> <path_name>'
     echo '       mtt <system_name> <representation> vc'
     echo '       mtt <system_name> <representation> <language>'
     echo '       mtt <system_name> <representation> <language> <parameters>'
     echo 'Options: -q  quiet mode'
+    echo '         -p  print environment variables'
     echo '         -c  c-code generation'
     echo '         -o  ode and dae are the same'
     echo '         -s  use switch (ISW and CSW) components'
     exit
+  fi
 fi
 
 
 if [ "$1" = "info" ]  && [ "$3" = "" ]; then
   echo Invoking info
@@ -654,12 +669,10 @@
 		echo Version control is not appropriate for representation $2
 		exit  ;;
   esac
 fi
 
-#Check the principle paths
-mtt_check_vars
 
 # This is the main mtt programme
 $MAKE -s  -f -  $1_$2.$3 << EOF
 
 # Cancel implicit rules I don't want