# posix_openpt.m4 serial 2
dnl Copyright (C) 2011-2019 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_FUNC_POSIX_OPENPT],
[
  AC_REQUIRE([gl_STDLIB_H_DEFAULTS])

  dnl Persuade Solaris <stdlib.h> to declare posix_openpt().
  AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])

  AC_CHECK_FUNCS_ONCE([posix_openpt])
  if test $ac_cv_func_posix_openpt != yes; then
    dnl The system does not have posix_openpt.
    HAVE_POSIX_OPENPT=0
  fi
])