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      1 # Copyright (C) 2012-2022 Free Software Foundation, Inc.
      2 #
      3 # This file is part of GCC.
      4 #
      5 # GCC is free software; you can redistribute it and/or modify
      6 # it under the terms of the GNU General Public License as published by
      7 # the Free Software Foundation; either version 3, or (at your option)
      8 # any later version.
      9 #
     10 # GCC is distributed in the hope that it will be useful,
     11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
     12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     13 # GNU General Public License for more details.
     14 #
     15 # You should have received a copy of the GNU General Public License
     16 # along with GCC; see the file COPYING3.  If not see
     17 # <http://www.gnu.org/licenses/>.
     18 
     19 # The default build is mips32r2, hard-float big-endian.  Add mips32,
     20 # soft-float, and little-endian variations.
     21 
     22 MULTILIB_OPTIONS = mips32/mips64/mips64r2 mips16/mmicromips mabi=64 EL msoft-float mnan=2008
     23 MULTILIB_DIRNAMES = mips32 mips64 mips64r2 mips16 micromips 64 el sof nan2008
     24 MULTILIB_MATCHES = EL=mel EB=meb mips32r2=mips32r3 mips32r2=mips32r5 mips64r2=mips64r3 mips64r2=mips64r5
     25 
     26 # The 64 bit ABI is not supported on the mips32 architecture.
     27 MULTILIB_EXCEPTIONS += *mips32*/*mabi=64*
     28 
     29 # The 64 bit ABI is not supported on the mips32r2 architecture.
     30 # Because mips32r2 is the default we can't use that flag to trigger
     31 # the exception so we check for mabi=64 with no specific mips
     32 # architecture flag instead.
     33 MULTILIB_EXCEPTIONS += mabi=64*
     34 
     35 # We do not want to build mips16 versions of mips64* architectures.
     36 MULTILIB_EXCEPTIONS += *mips64*/*mips16*
     37 MULTILIB_EXCEPTIONS += *mips16/mabi=64*
     38 
     39 # We only want micromips for mips32r2 architecture.
     40 MULTILIB_EXCEPTIONS += *mips32/mmicromips*
     41 MULTILIB_EXCEPTIONS += *mips64*/mmicromips*
     42 MULTILIB_EXCEPTIONS += *mmicromips/mabi=64*
     43 
     44 # We do not want nan2008 libraries for soft-float,
     45 # mips32[r1], or mips64[r1].
     46 MULTILIB_EXCEPTIONS += *msoft-float*/*mnan=2008*
     47 MULTILIB_EXCEPTIONS += *mips32/*mnan=2008*
     48 MULTILIB_EXCEPTIONS += *mips64/*mnan=2008*
     49