@@ -571,11 +571,11 @@
 	AC_DEFINE(OF_HAVE_ATOMIC_OPS, 1, [Whether we have atomic operations])
 	AC_SUBST(ATOMIC_H, "atomic.h")
 ])
 AC_MSG_RESULT($atomic_ops)
 
-AC_CHECK_FUNCS([gmtime_r localtime_r nanosleep])
+AC_CHECK_FUNCS([sysconf gmtime_r localtime_r nanosleep])
 
 AC_CHECK_HEADERS([pwd.h grp.h])
 AC_CHECK_FUNC(chmod, [
 	AC_DEFINE(OF_HAVE_CHMOD, 1, [Whether we have chmod()])
 ])