-# dup3.m4 serial 3
-dnl Copyright (C) 2009-2011 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
dnl m4_ifdef([gl_FUNC_FCHDIR], [
dnl gl_TEST_FCHDIR
dnl if test $HAVE_FCHDIR = 0; then
-dnl REPLACE_DUP3=1
+dnl if test $HAVE_DUP3 = 1; then
+dnl REPLACE_DUP3=1
+dnl fi
dnl fi
dnl ])
])