40 lines
1.6 KiB
Plaintext
40 lines
1.6 KiB
Plaintext
# Copyright (C) 2002, 2005, 2007, 2008, 2011
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# Free Software Foundation, Inc.
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#
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# This file is part of GCC.
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#
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# GCC is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3, or (at your option)
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# any later version.
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#
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# GCC is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with GCC; see the file COPYING3. If not see
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# <http://www.gnu.org/licenses/>.
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# On Debian, Ubuntu and other derivative distributions, the 32bit libraries
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# are found in /lib32 and /usr/lib32, /lib64 and /usr/lib64 are symlinks to
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# /lib and /usr/lib, while other distributions install libraries into /lib64
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# and /usr/lib64. The LSB does not enforce the use of /lib64 and /usr/lib64,
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# it doesn't tell anything about the 32bit libraries on those systems. Set
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# MULTILIB_OSDIRNAMES according to what is found on the target.
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# To support i386, x86-64 and x32 libraries, the directory structrue
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# should be:
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#
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# /lib has i386 libraries.
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# /lib64 has x86-64 libraries.
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# /libx32 has x32 libraries.
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#
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comma=,
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MULTILIB_OPTIONS = $(subst $(comma),/,$(TM_MULTILIB_CONFIG))
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MULTILIB_DIRNAMES = $(patsubst m%, %, $(subst /, ,$(MULTILIB_OPTIONS)))
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MULTILIB_OSDIRNAMES = m64=../lib64
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MULTILIB_OSDIRNAMES+= m32=$(if $(wildcard $(shell echo $(SYSTEM_HEADER_DIR))/../../usr/lib32),../lib32,../lib)
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MULTILIB_OSDIRNAMES+= mx32=../libx32
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