2015-06-09 23:59:58 +02:00
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diff -urN gcc-4.9.2/gcc/config/i386/t-elf64 gcc-4.9.2/gcc/config/i386/t-elf64
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--- gcc-4.9.2/gcc/config/i386/t-elf64 1969-12-31 16:00:00.000000000 -0800
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2015-07-17 23:35:54 +02:00
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+++ gcc-5.2.0/gcc/config/i386/t-elf64 2015-06-17 11:20:08.032513005 -0700
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2015-06-09 23:59:58 +02:00
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@@ -0,0 +1,38 @@
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+# Copyright (C) 2002-2014 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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+
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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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+
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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$(call if_multiarch,:x86_64-elf)
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+MULTILIB_OSDIRNAMES+= m32=$(if $(wildcard $(shell echo $(SYSTEM_HEADER_DIR))/../../usr/lib32),../lib32,../lib)$(call if_multiarch,:i386-elf)
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+MULTILIB_OSDIRNAMES+= mx32=../libx32$(call if_multiarch,:x86_64-elf-x32)
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diff -urN gcc-4.9.2/gcc/config.gcc gcc-4.9.2/gcc/config.gcc
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--- gcc-4.9.2/gcc/config.gcc 2015-06-17 11:20:57.841008182 -0700
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2015-07-17 23:35:54 +02:00
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+++ gcc-5.2.0/gcc/config.gcc 2015-06-17 11:17:24.818890200 -0700
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2015-06-09 23:59:58 +02:00
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@@ -1353,6 +1353,30 @@
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;;
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x86_64-*-elf*)
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tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h newlib-stdint.h i386/i386elf.h i386/x86-64.h"
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+ tmake_file="${tmake_file} i386/t-elf64"
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+ x86_multilibs="${with_multilib_list}"
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+ if test "$x86_multilibs" = "default"; then
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+ case ${with_abi} in
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+ x32 | mx32)
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+ x86_multilibs="mx32"
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+ ;;
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+ *)
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+ x86_multilibs="m64,m32"
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+ ;;
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+ esac
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+ fi
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+ x86_multilibs=`echo $x86_multilibs | sed -e 's/,/ /g'`
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+ for x86_multilib in ${x86_multilibs}; do
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+ case ${x86_multilib} in
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+ m32 | m64 | mx32)
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+ TM_MULTILIB_CONFIG="${TM_MULTILIB_CONFIG},${x86_multilib}"
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+ ;;
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+ *)
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+ echo "--with-multilib-list=${x86_with_multilib} not supported."
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+ exit 1
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+ esac
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+ done
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+ TM_MULTILIB_CONFIG=`echo $TM_MULTILIB_CONFIG | sed 's/^,//'`
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;;
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i[34567]86-*-rdos*)
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tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h newlib-stdint.h i386/i386elf.h i386/rdos.h"
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