| # Copyright (C) 2002-2021 Free Software Foundation, Inc. |
| # |
| # 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/>. |
| |
| # On Debian, Ubuntu and other derivative distributions, the 32bit libraries |
| # are found in /lib32 and /usr/lib32, /lib64 and /usr/lib64 are symlinks to |
| # /lib and /usr/lib, while other distributions install libraries into /lib64 |
| # and /usr/lib64. The LSB does not enforce the use of /lib64 and /usr/lib64, |
| # it doesn't tell anything about the 32bit libraries on those systems. Set |
| # MULTILIB_OSDIRNAMES according to what is found on the target. |
| |
| # To support i386, x86-64 and x32 libraries, the directory structrue |
| # should be: |
| # |
| # /lib has i386 libraries. |
| # /lib64 has x86-64 libraries. |
| # /libx32 has x32 libraries. |
| # |
| comma=, |
| MULTILIB_OPTIONS = $(subst $(comma),/,$(TM_MULTILIB_CONFIG)) |
| MULTILIB_DIRNAMES = $(patsubst m%, %, $(subst /, ,$(MULTILIB_OPTIONS))) |
| MULTILIB_OSDIRNAMES = m64=../lib64$(call if_multiarch,:x86_64-linux-gnu) |
| MULTILIB_OSDIRNAMES+= m32=$(if $(wildcard $(shell echo $(SYSTEM_HEADER_DIR))/../../usr/lib32),../lib32,../lib)$(call if_multiarch,:i386-linux-gnu) |
| MULTILIB_OSDIRNAMES+= mx32=../libx32$(call if_multiarch,:x86_64-linux-gnux32) |
