blob: 8e4d696be2fcd242b52e5bf7082d280a98c7504a [file] [log] [blame]
/* 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
<http://www.gnu.org/licenses/>. */
#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"