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      1 # Copyright (C) 2021-2022 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 # Multilib
     20 MULTILIB_OPTIONS = mabi=lp64d/mabi=lp64f/mabi=lp64s
     21 MULTILIB_DIRNAMES = base/lp64d base/lp64f base/lp64s
     22 
     23 # The GCC driver always gets all abi-related options on the command line.
     24 # (see loongarch-driver.c:driver_get_normalized_m_opts)
     25 comma=,
     26 MULTILIB_REQUIRED = $(subst $(comma), ,$(TM_MULTILIB_CONFIG))
     27 
     28 # Multiarch
     29 ifneq ($(call if_multiarch,yes),yes)
     30     # Define LA_DISABLE_MULTIARCH if multiarch is disabled.
     31     tm_defines += LA_DISABLE_MULTIARCH
     32 else
     33     # Only define MULTIARCH_DIRNAME when multiarch is enabled,
     34     # or it would always introduce ${target} into the search path.
     35     MULTIARCH_DIRNAME = $(LA_MULTIARCH_TRIPLET)
     36 endif
     37 
     38 # Don't define MULTILIB_OSDIRNAMES if multilib is disabled.
     39 ifeq ($(filter LA_DISABLE_MULTILIB,$(tm_defines)),)
     40 
     41     MULTILIB_OSDIRNAMES = \
     42       mabi.lp64d=../lib64$\
     43       $(call if_multiarch,:loongarch64-linux-gnu)
     44 
     45     MULTILIB_OSDIRNAMES += \
     46       mabi.lp64f=../lib64/f32$\
     47       $(call if_multiarch,:loongarch64-linux-gnuf32)
     48 
     49     MULTILIB_OSDIRNAMES += \
     50       mabi.lp64s=../lib64/sf$\
     51       $(call if_multiarch,:loongarch64-linux-gnusf)
     52 
     53 endif
     54