Don't try to guess FD_SETSIZE correct value when cross-compiling.

diff --git a/m4/fdsetsize.m4 b/m4/fdsetsize.m4
index 74197f849126c21ca59a8645f1b3914fcf860bf1..286b6d1d9a45d47f01fa7c131be2c6e21f863055 100644 (file)
--- a/m4/fdsetsize.m4
+++ b/m4/fdsetsize.m4
@@ -22,6 +22,7 @@ AC_DEFUN([lldp_CHECK_FD_SETSIZE],[
        fclose(fd);
        ])],
        [ lldp_cv_check_fd_setsize=`cat conftest.out` ],
+       [ lldp_cv_check_fd_setsize="no" ],
        [ lldp_cv_check_fd_setsize="no" ])])
   if test x"$lldp_cv_check_fd_setsize" = x"no"; then
      AC_DEFINE([LLDPD_FD_SETSIZE], [FD_SETSIZE], [FD_SETSIZE for select()])