1 files changed, 3 insertions, 2 deletions

diff --git a/m4/pselect.m4 b/m4/pselect.m4
index f3e5afe0b38..08a5823c6f9 100644
--- a/m4/pselect.m4
+++ b/m4/pselect.m4
@@ -1,4 +1,4 @@
-# pselect.m4 serial 8
+# pselect.m4 serial 9
 dnl Copyright (C) 2011-2020 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -37,7 +37,8 @@ AC_DEFUN([gl_FUNC_PSELECT],
 #endif
 #include <unistd.h>
 #include <errno.h>
-]],[[
+]GL_MDA_DEFINES],
+[[
   fd_set set;
   dup2(0, 16);
   FD_ZERO(&set);