comparison vext @ 1746:bf4a7015033e

Update vext

 	sml="mlton"
     else cat 1>&2 <<EOF
 
 ERROR: No supported SML compiler or interpreter found       
 EOF
-	cat <<EOF
+	cat 1>&2 <<EOF
 
   The Vext external source code manager needs a Standard ML (SML)
   compiler or interpreter to run.
 
   Please ensure you have one of the following SML implementations

 fi
 
 arglist=""
 for arg in "$@"; do
     if [ -n "$arglist" ]; then arglist="$arglist,"; fi
-    if echo "$arg" | grep -q '[^a-z]' ; then
+    if echo "$arg" | grep -q '["'"'"']' ; then
 	arglist="$arglist\"usage\""
     else
 	arglist="$arglist\"$arg\""
     fi
 done

             echo 'use "'"$program"'"; vext ['"$arglist"'];' |
                 poly -q --error-exit
         fi ;;
     mlton)
         if [ ! -x "$gen_out" ]; then
+	    echo "[Precompiling Vext binary...]" 1>&2
 	    echo "val _ = main ()" | cat "$program" - > "$gen_sml"
 	    mlton -output "$gen_out" "$gen_sml"
         fi
 	"$gen_out" "$@" ;;
     smlnj)

 val _ = OS.Process.exit (OS.Process.success);
 EOF
             ) > "$gen_sml"
 	CM_VERBOSE=false sml "$gen_sml" ;;
     *)
-	echo "Unknown SML implementation name: $sml";
+	echo "ERROR: Unknown SML implementation name: $sml" 1>&2;
 	exit 2 ;;
 esac