--- libaitsess/configure.in	2011/04/30 21:35:21	1.2
+++ libaitsess/configure.in	2012/02/28 13:00:23	1.5
@@ -1,8 +1,8 @@
 #
 # $Author: misho $
-# $Id: configure.in,v 1.2 2011/04/30 21:35:21 misho Exp $
+# $Id: configure.in,v 1.5 2012/02/28 13:00:23 misho Exp $
 #
-AC_INIT(libaitsess, 2.0, misho@openbsd-bg.org)
+AC_INIT(libaitsess, 3.1, 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)