| #serial 9 | |
| dnl Copyright (C) 2002, 2005-2006, 2009-2021 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. | |
| AC_DEFUN([gl_UNISTD_SAFER], | |
| [ | |
| AC_CHECK_FUNCS_ONCE([pipe]) | |
| ]) |