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b588ae30 GJL |
1 | /* Definitions of target machine for the GNU compiler collection |
2 | for Atmel AVR micro controller if configured for AVR-Libc. | |
8d9254fc | 3 | Copyright (C) 2012-2020 Free Software Foundation, Inc. |
b588ae30 GJL |
4 | Contributed by Georg-Johann Lay (avr@gjlay.de) |
5 | ||
6 | This file is part of GCC. | |
7 | ||
8 | GCC is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 3, or (at your option) | |
11 | any later version. | |
12 | ||
13 | GCC is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with GCC; see the file COPYING3. If not see | |
20 | <http://www.gnu.org/licenses/>. */ | |
21 | ||
4a2caf6c GJL |
22 | #undef LIB_SPEC |
23 | #define LIB_SPEC \ | |
076d86f3 GJL |
24 | "%{!mmcu=avr1:-lc} %(avrlibc_devicelib)" |
25 | ||
26 | // AVR-Libc implements functions from libgcc.a in libm.a, see PR54461. | |
27 | // For a list of functions which are provided by libm.a and are | |
28 | // omitted from libgcc.a see libgcc's t-avrlibc. | |
4a2caf6c GJL |
29 | |
30 | #undef LIBGCC_SPEC | |
31 | #define LIBGCC_SPEC \ | |
076d86f3 | 32 | "%{!mmcu=avr1:-lgcc -lm}" |
4a2caf6c GJL |
33 | |
34 | #undef STARTFILE_SPEC | |
35 | #define STARTFILE_SPEC \ | |
36 | " %(avrlibc_startfile) " | |
37 | ||
b588ae30 GJL |
38 | #undef LINK_GCC_C_SEQUENCE_SPEC |
39 | #define LINK_GCC_C_SEQUENCE_SPEC \ | |
f37866e8 | 40 | "--start-group %G %{!nolibc:%L} --end-group" |