rtems.h revision 1.5 
1/* Configuration common to all targets running RTEMS.
2   Copyright (C) 2000-2015 Free Software Foundation, Inc.
3
4This file is part of GCC.
5
6GCC is free software; you can redistribute it and/or modify
7it under the terms of the GNU General Public License as published by
8the Free Software Foundation; either version 3, or (at your option)
9any later version.
10
11GCC is distributed in the hope that it will be useful,
12but WITHOUT ANY WARRANTY; without even the implied warranty of
13MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14GNU General Public License for more details.
15
16Under Section 7 of GPL version 3, you are granted additional
17permissions described in the GCC Runtime Library Exception, version
183.1, as published by the Free Software Foundation.
19
20You should have received a copy of the GNU General Public License and
21a copy of the GCC Runtime Library Exception along with this program;
22see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
23<http://www.gnu.org/licenses/>.  */
24
25/* The system headers under RTEMS are C++-aware.  */
26#undef NO_IMPLICIT_EXTERN_C
27#define NO_IMPLICIT_EXTERN_C
28
29/*
30 * Dummy start/end specification to let linker work as
31 * needed by autoconf scripts using this compiler.
32 */
33#undef STARTFILE_SPEC
34#define STARTFILE_SPEC "crt0.o%s"
35
36#undef ENDFILE_SPEC
37#define ENDFILE_SPEC   ""
38
39/*
40 * Some targets do not set up LIB_SPECS, override it, here.
41 */
42#define STD_LIB_SPEC "%{!shared:%{g*:-lg} %{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p}}"
43
44#undef LIB_SPEC
45#define LIB_SPEC "%{!qrtems: " STD_LIB_SPEC "} " \
46"%{!nostdlib: %{qrtems: --start-group \
47 -lrtemsbsp -lrtemscpu \
48 -latomic -lc -lgcc --end-group %{!qnolinkcmds: -T linkcmds%s}}}"
49
50#define TARGET_POSIX_IO
51