--- libaitsess/configure.in	2011/04/30 21:24:21	1.1.2.3
+++ libaitsess/configure.in	2012/07/22 22:15:23	1.6.2.1
@@ -1,8 +1,8 @@
 #
 # $Author: misho $
-# $Id: configure.in,v 1.1.2.3 2011/04/30 21:24:21 misho Exp $
+# $Id: configure.in,v 1.6.2.1 2012/07/22 22:15:23 misho Exp $
 #
-AC_INIT(libaitsess, 2.0, misho@openbsd-bg.org)
+AC_INIT(libaitsess, 3.3, misho@elwix.org)
 AC_CONFIG_SRCDIR([src/aitsess.c])
 AC_CONFIG_HEADERS([inc/config.h])
 
@@ -20,6 +20,8 @@ CFLAGS="-Wall -O2 -fPIC -I/usr/local/include ${CFLAGS}
 LDFLAGS="-L/usr/local/lib ${LDFLAGS}"
 
 # Checks for libraries.
+AC_CHECK_LIB(pthread, [pthread_create])
+AC_CHECK_LIB(aitio, [io_arrayInit])
 
 # Checks for header files.
 
@@ -31,6 +33,8 @@ AC_C_INLINE
 AC_FUNC_MALLOC
 AC_FUNC_MMAP
 AC_CHECK_FUNCS([bzero memset munmap])
+AC_CHECK_FUNCS([pthread_create pthread_exit])
+AC_CHECK_FUNCS([shm_open shm_unlink])
 
 # It's stupid, but not all platforms have union semun, even those that need it.
 AC_MSG_CHECKING(looking for union semun in sys/sem.h)
@@ -42,7 +46,7 @@ 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])