--- libaitsess/configure.in	2011/04/30 21:24:21	1.1.2.3
+++ libaitsess/configure.in	2011/04/30 21:29:26	1.1.2.4
@@ -1,6 +1,6 @@
 #
 # $Author: misho $
-# $Id: configure.in,v 1.1.2.3 2011/04/30 21:24:21 misho Exp $
+# $Id: configure.in,v 1.1.2.4 2011/04/30 21:29:26 misho Exp $
 #
 AC_INIT(libaitsess, 2.0, misho@openbsd-bg.org)
 AC_CONFIG_SRCDIR([src/aitsess.c])
@@ -42,7 +42,7 @@ AC_TRY_COMPILE([
 		union semun arg;
 		semctl(0, 0, 0, arg);
 		], [ 
-		AC_DEFINE(HAVE_UNION_SEMUN, $have_union_semun, [union semun])
+		AC_DEFINE(HAVE_UNION_SEMUN,, [union semun])
 		] msg=yes, msg=no )
 AC_MSG_RESULT([$msg])