avrlibc.h revision 1.1 
1/* Definitions of target machine for the GNU compiler collection
2   for Atmel AVR micro controller if configured for AVR-Libc.
3   Copyright (C) 2012-2013 Free Software Foundation, Inc.
4   Contributed by Georg-Johann Lay (avr@gjlay.de)
5
6This file is part of GCC.
7
8GCC is free software; you can redistribute it and/or modify
9it under the terms of the GNU General Public License as published by
10the Free Software Foundation; either version 3, or (at your option)
11any later version.
12
13GCC is distributed in the hope that it will be useful,
14but WITHOUT ANY WARRANTY; without even the implied warranty of
15MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16GNU General Public License for more details.
17
18You should have received a copy of the GNU General Public License
19along with GCC; see the file COPYING3.  If not see
20<http://www.gnu.org/licenses/>.  */
21
22/* AVR-Libc implements functions from libgcc.a in libm.a, see PR54461.  */
23
24#undef  LIBGCC_SPEC
25#define LIBGCC_SPEC                                                     \
26  "%{!mmcu=at90s1*:%{!mmcu=attiny11:%{!mmcu=attiny12:%{!mmcu=attiny15:%{!mmcu=attiny28: -lgcc -lm }}}}}"
27
28#undef  LINK_GCC_C_SEQUENCE_SPEC
29#define LINK_GCC_C_SEQUENCE_SPEC \
30  "--start-group %G %L --end-group"
31