-# dup3.m4 serial 4
-dnl Copyright (C) 2009-2012 Free Software Foundation, Inc.
+# dup3.m4 serial 5
+dnl Copyright (C) 2009-2013 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl Persuade glibc <unistd.h> to declare dup3().
AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
- AC_CHECK_FUNCS_ONCE([dup3])
+ AC_CHECK_FUNCS_ONCE([dup3 setdtablesize])
if test $ac_cv_func_dup3 != yes; then
HAVE_DUP3=0
fi