1 # ttyname_r.m4 serial 1
2 dnl Copyright (C) 2010 Free Software Foundation, Inc.
3 dnl This file is free software; the Free Software Foundation
4 dnl gives unlimited permission to copy and/or distribute it,
5 dnl with or without modifications, as long as this notice is preserved.
7 AC_DEFUN([gl_FUNC_TTYNAME_R],
9 AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
11 AC_CHECK_FUNCS([ttyname_r])
12 if test $ac_cv_func_ttyname_r = no; then
14 AC_LIBOBJ([ttyname_r])
19 # Prerequisites of lib/ttyname_r.c.
20 AC_DEFUN([gl_PREREQ_TTYNAME_R], [
21 AC_CHECK_FUNCS([ttyname])