gcc/config/avr/avrlibc.h

   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
   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
  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"