/* Definitions of target machine for the GNU compiler collection for Atmel AVR micro controller if configured for AVR-Libc. Copyright (C) 2012-2020 Free Software Foundation, Inc. Contributed by Georg-Johann Lay (avr@gjlay.de) 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 . */ #undef LIB_SPEC #define LIB_SPEC \ "%{!mmcu=avr1:-lc} %(avrlibc_devicelib)" // AVR-Libc implements functions from libgcc.a in libm.a, see PR54461. // For a list of functions which are provided by libm.a and are // omitted from libgcc.a see libgcc's t-avrlibc. #undef LIBGCC_SPEC #define LIBGCC_SPEC \ "%{!mmcu=avr1:-lgcc -lm}" #undef STARTFILE_SPEC #define STARTFILE_SPEC \ " %(avrlibc_startfile) " #undef LINK_GCC_C_SEQUENCE_SPEC #define LINK_GCC_C_SEQUENCE_SPEC \ "--start-group %G %{!nolibc:%L} --end-group"