Don't accept GNU C macro varargs extension when pedantic.

	* cccp.c (create_definition): If pedantic, call pedwarn for macro
	varargs feature.

From-SVN: r18522

gcc/ChangeLog

+Thu Mar 12 14:47:14 1998  Jim Wilson  <wilson@cygnus.com>
+
+	* cccp.c (create_definition): If pedantic, call pedwarn for macro
+	varargs feature.
+
 Thu Mar 12 13:43:25 1998  Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
 
 	* i386.c (ix86_logical_operator): New function.

gcc/cccp.c

@@ -5565,6 +5565,8 @@ create_definition (buf, limit, op)
 	/* do we have a "special" rest-args extension here? */
 	if (limit - bp > REST_EXTENSION_LENGTH
 	    && bcmp (rest_extension, bp, REST_EXTENSION_LENGTH) == 0) {
+	  if (pedantic && !instack[indepth].system_header_p)
+	    pedwarn ("ANSI C does not allow macro with variable arguments");
 	  rest_args = 1;
 	  temp->rest_args = 1;
 	  break;