OVS_CHECK_STRTOK_R
AC_CHECK_MEMBERS([struct stat.st_mtim.tv_nsec, struct stat.st_mtimensec],
[], [], [[#include <sys/stat.h>]])
-AC_CHECK_FUNCS([mlockall strsignal getloadavg statvfs setmntent])
+AC_CHECK_FUNCS([mlockall strnlen strsignal getloadavg statvfs setmntent])
AC_CHECK_HEADERS([mntent.h sys/statvfs.h])
OVS_CHECK_PKIDIR
OVS_CHECK_VALGRIND
OVS_CHECK_SOCKET_LIBS
OVS_CHECK_LINKER_SECTIONS
+OVS_CHECK_XENSERVER_VERSION
OVS_ENABLE_OPTION([-Wall])
OVS_ENABLE_OPTION([-Wno-sign-compare])