[m-rev.] diff: update configure.in

[Zoltan Somogyi]

configure.in:
	Fix the test for the compiler being sufficiently recent. Since array2d
	was added to the library, we need not only dot as the module qualifier
	character, but also the ability to handle field access syntax in
	func and mode declarations and in function clause heads.

Zoltan.

Index: configure.in
===================================================================
RCS file: /home/mercury1/repository/mercury/configure.in,v
retrieving revision 1.348
diff -u -b -r1.348 configure.in
--- configure.in	24 Jan 2003 07:17:05 -0000	1.348
+++ configure.in	28 Jan 2003 01:47:18 -0000
@@ -170,11 +170,21 @@
         
 		main(!IO) :-
 			return_rtti_version(Version),
-			( Version >= 6 ->
+			(
+				Version >= 6,
+				ac(2) ^ elem(3, 5) = 17
+			->
 				io.print("Hello, world\n", !IO)
 			;
 				io.print("Nope.\n", !IO)
 			).
+
+		:- type a    ---> ac(int).
+
+		:- func a ^ elem(int, int) = int.
+		:- mode in ^ elem(in,  in ) = out is det.
+
+		ac(T) ^ elem(I, J) = T + I * J.
 
 		:- pred return_rtti_version(int::out) is det.
 
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