[thirdparty/gcc.git] / gcc / config / i386 / t-linux64

# Copyright (C) 2002, 2005, 2007, 2008, 2011
# 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,:x32-linux-gnu)
Commit	Line	Data
f0ea7581 L	1	# Copyright (C) 2002, 2005, 2007, 2008, 2011
f0ea7581 L	2	# Free Software Foundation, Inc.
ad41bd84 JM	3	#
	4	# This file is part of GCC.
	5	#
	6	# GCC is free software; you can redistribute it and/or modify
	7	# it under the terms of the GNU General Public License as published by
	8	# the Free Software Foundation; either version 3, or (at your option)
	9	# any later version.
	10	#
	11	# GCC is distributed in the hope that it will be useful,
	12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	# GNU General Public License for more details.
	15	#
	16	# You should have received a copy of the GNU General Public License
	17	# along with GCC; see the file COPYING3. If not see
	18	# <http://www.gnu.org/licenses/>.
	19
b91bd851	20	# On Debian, Ubuntu and other derivative distributions, the 32bit libraries
c1bb79f4 MK	21	# are found in /lib32 and /usr/lib32, /lib64 and /usr/lib64 are symlinks to
	22	# /lib and /usr/lib, while other distributions install libraries into /lib64
	23	# and /usr/lib64. The LSB does not enforce the use of /lib64 and /usr/lib64,
	24	# it doesn't tell anything about the 32bit libraries on those systems. Set
	25	# MULTILIB_OSDIRNAMES according to what is found on the target.
	26
f0ea7581 L	27	# To support i386, x86-64 and x32 libraries, the directory structrue
	28	# should be:
	29	#
	30	# /lib has i386 libraries.
	31	# /lib64 has x86-64 libraries.
	32	# /libx32 has x32 libraries.
	33	#
	34	comma=,
	35	MULTILIB_OPTIONS = $(subst $(comma),/,$(TM_MULTILIB_CONFIG))
	36	MULTILIB_DIRNAMES = $(patsubst m%, %, $(subst /, ,$(MULTILIB_OPTIONS)))
e0cdc09f MK	37	MULTILIB_OSDIRNAMES = m64=../lib64$(call if_multiarch,:x86_64-linux-gnu)
	38	MULTILIB_OSDIRNAMES+= m32=$(if $(wildcard $(shell echo $(SYSTEM_HEADER_DIR))/../../usr/lib32),../lib32,../lib)$(call if_multiarch,:i386-linux-gnu)
	39	MULTILIB_OSDIRNAMES+= mx32=../libx32$(call if_multiarch,:x32-linux-gnu)