2 dnl Copyright (C) 2010-2020 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_UNLOCKPT],
9 AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
11 dnl Persuade glibc <stdlib.h> to declare unlockpt().
12 AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
14 AC_CHECK_FUNCS([unlockpt])
15 if test $ac_cv_func_unlockpt = no; then
20 # Prerequisites of lib/unlockpt.c.
21 AC_DEFUN([gl_PREREQ_UNLOCKPT], [
22 AC_CHECK_FUNCS([revoke])