--- ulogd-1.24/configure.in~	2011-08-23 08:31:24.000000000 +0200
+++ ulogd-1.24/configure.in	2011-08-23 08:32:29.356356832 +0200
@@ -21,6 +21,8 @@
 AC_TYPE_SIZE_T
 AC_STRUCT_TM
 
+AC_SYS_LARGEFILE
+
 dnl Checks for library functions.
 AC_FUNC_VPRINTF
 AC_CHECK_FUNCS(socket strerror)