1 # posix_openpt.m4 serial 1
2 dnl Copyright (C) 2011 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_POSIX_OPENPT],
9 AC_REQUIRE([gl_STDLIB_H_DEFAULTS])
11 dnl Persuade Solaris <stdlib.h> to declare posix_openpt().
12 AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
14 AC_CHECK_FUNCS_ONCE([posix_openpt])
15 if test $ac_cv_have_posix_openpt != yes; then
16 dnl The system does not have posix_openpt.
18 dnl Prerequisites of lib/posix_openpt.c in this case.
19 AC_CHECK_FUNCS([_getpty])