gcc/config/epiphany/rtems.h

/* Definitions for RTEMS based EPIPHANY systems.
   Copyright (C) 2018-2019 Free Software Foundation, Inc.

   This file is part of GCC.

   GCC is free software; you can redistribute it and/or modify it
   under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3, or (at your option)
   any later version.

   GCC is distributed in the hope that it will be useful, but
   WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with GCC; see the file COPYING3.  If not see
   <http://www.gnu.org/licenses/>.  */

#define HAS_INIT_SECTION

#undef TARGET_OS_CPP_BUILTINS
#define TARGET_OS_CPP_BUILTINS()		\
    do {					\
	builtin_define ("__rtems__");		\
	builtin_define ("__USE_INIT_FINI__");	\
	builtin_assert ("system=rtems");	\
    } while (0)