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# termios_h.m4 serial 4
dnl Copyright (C) 2010-2018 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_TERMIOS_H],
[
dnl Use AC_REQUIRE here, so that the default behavior below is expanded
dnl once only, before all statements that occur in other macros.
AC_REQUIRE([gl_TERMIOS_H_DEFAULTS])
gl_CHECK_NEXT_HEADERS([termios.h])
if test $ac_cv_header_termios_h != yes; then
HAVE_TERMIOS_H=0
fi
dnl Ensure the type pid_t gets defined.
AC_REQUIRE([AC_TYPE_PID_T])
dnl Check for declarations of anything we want to poison if the
dnl corresponding gnulib module is not in use, and which is not
dnl guaranteed by C89.
gl_WARN_ON_USE_PREPARE([[#include <termios.h>]],
[tcgetsid])
])
AC_DEFUN([gl_TERMIOS_MODULE_INDICATOR],
[
dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
AC_REQUIRE([gl_TERMIOS_H_DEFAULTS])
gl_MODULE_INDICATOR_SET_VARIABLE([$1])
dnl Define it also as a C macro, for the benefit of the unit tests.
gl_MODULE_INDICATOR_FOR_TESTS([$1])
])
AC_DEFUN([gl_TERMIOS_H_DEFAULTS],
[
GNULIB_TCGETSID=0; AC_SUBST([GNULIB_TCGETSID])
dnl Assume proper GNU behavior unless another module says otherwise.
HAVE_DECL_TCGETSID=1; AC_SUBST([HAVE_DECL_TCGETSID])
HAVE_TERMIOS_H=1; AC_SUBST([HAVE_TERMIOS_H])
])
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