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config.host
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config.host
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# GCC host-specific configuration file.
# Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2006, 2007, 2008, 2009
# 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/>.
# This is the GCC host-specific configuration file
# where a configuration type is mapped to different system-specific
# definitions and files. This is invoked by the autoconf-generated
# configure script. Putting it in a separate shell file lets us skip
# running autoconf when modifying host-specific information.
# This file switches on the shell variable ${host}. As much of this as
# is reasonable should be replaced with autoconf tests in the future.
# This file sets the following shell variables for use by the
# autoconf-generated configure script:
#
# host_xm_file List of files to include when compiling for the
# host machine.
#
# host_xm_defines List of macros to define when compiling for the
# host machine.
#
# host_xmake_file List of host-specific makefile-fragments.
#
# host_exeext Set to the suffix, if the host machine requires
# executables to have a file name suffix.
#
# host_extra_objs List of extra host-dependent objects that should
# be linked into the compiler proper.
#
# host_extra_gcc_objs List of extra host-dependent objects that should
# be linked into the gcc driver.
#
# out_host_hook_obj An object file that provides the host hooks.
#
# host_can_use_collect2 Set to yes normally; to no if the host cannot
# link or otherwise use collect2
# use_long_long_for_widest_fast_int Set this to 'yes' if 'long long'
# (or '__int64') is wider than 'long' but still
# efficeiently supported by the host hardware.
# Only affects compile speed. Default is 'no'.
# When setting any of these variables, check to see if a corresponding
# variable is present in config.build; if so, you will likely want to
# set it in both places.
# Default settings.
host_xm_file=
host_xm_defines=
host_xmake_file=
host_exeext=
host_extra_objs=
host_extra_gcc_objs=
out_host_hook_obj=host-default.o
host_can_use_collect2=yes
use_long_long_for_widest_fast_int=no
# Unsupported hosts list. Generally, only include hosts known to fail here,
# since we allow hosts not listed to be supported generically.
case ${host} in
i[34567]86-sequent-sysv \
| i[34567]86-sequent-sysv[123]* \
| i[34567]86-go32-* \
| i[34567]86-*-go32* \
| vax-*-vms*)
echo "*** Configuration for host ${host} not supported" 1>&2
exit 1
;;
esac
# Common parts for widely ported systems.
case ${host} in
*-darwin*)
# Generic darwin host support.
out_host_hook_obj=host-darwin.o
host_xmake_file="${host_xmake_file} x-darwin"
;;
esac
case ${host} in
alpha*-*-linux*)
case ${target} in
alpha*-*-linux*)
host_extra_gcc_objs="driver-alpha.o"
host_xmake_file="${host_xmake_file} alpha/x-alpha"
;;
esac
;;
i[34567]86-*-* \
| x86_64-*-* )
case ${target} in
i[34567]86-*-* \
| x86_64-*-* )
host_extra_gcc_objs="driver-i386.o"
host_xmake_file="${host_xmake_file} i386/x-i386"
;;
esac
;;
mips*-*-linux*)
case ${target} in
mips*-*-linux*)
host_extra_gcc_objs="driver-native.o"
host_xmake_file="${host_xmake_file} mips/x-native"
;;
esac
;;
rs6000-*-* \
| powerpc*-*-* )
case ${target} in
rs6000-*-* \
| powerpc*-*-* )
host_extra_gcc_objs="driver-rs6000.o"
host_xmake_file="${host_xmake_file} rs6000/x-rs6000"
;;
esac
case ${host} in
*-*-linux* | *-*-freebsd*)
if test "${GCC}:${ac_cv_sizeof_long}" = yes:4; then
# On powerpc*-*-linux* use -Wl,--relax to link cc1,
# if ld is new enough, otherwise force -O1 in CFLAGS.
host_ppc_relax_xmake_file=
host_ld_ver=`${CC} -Wl,--version 2>/dev/null | sed 1q`
if echo "$host_ld_ver" | grep GNU > /dev/null; then
host_ld_date=`echo $host_ld_ver \
| sed -n 's,^.*\([2-9][0-9][0-9][0-9]\)[-]*\([01][0-9]\)[-]*\([0-3][0-9]\).*$,\1\2\3,p'`
if test 0"$host_ld_date" -gt 20080806; then
host_ppc_relax_xmake_file=rs6000/x-linux-relax
fi
fi
if test -z "${host_ppc_relax_xmake_file}"; then
host_ppc_relax_xmake_file=x-cflags-O1
fi
host_xmake_file="${host_xmake_file} ${host_ppc_relax_xmake_file}"
fi
;;
esac
;;
esac
# Machine-specific settings.
case ${host} in
alpha64-dec-*vms*)
host_xm_file="vms/xm-vms.h vms/xm-vms64.h"
host_xmake_file=vms/x-vms
host_exeext=.exe
host_can_use_collect2=no
prefix=/gnu
local_prefix=/gnu/local
;;
alpha*-dec-*vms*)
host_xm_file="vms/xm-vms.h"
host_xmake_file=vms/x-vms
host_exeext=.exe
host_can_use_collect2=no
prefix=/gnu
local_prefix=/gnu/local
;;
hppa1.0-*-hpux10* | hppa1.1-*-hpux10* | hppa2*-*-hpux10*)
out_host_hook_obj=host-hpux.o
host_xmake_file="${host_xmake_file} x-hpux"
;;
hppa1.0-*-hpux11* | hppa1.1-*-hpux11* | hppa2*-*-hpux11* | \
hppa*64*-*-hpux11*)
out_host_hook_obj=host-hpux.o
host_xmake_file="${host_xmake_file} x-hpux"
;;
hppa*-*-linux*)
out_host_hook_obj=host-hpux.o
host_xmake_file="${host_xmake_file} x-hpux"
;;
i370-*-opened* | i370-*-mvs* ) # IBM 360/370/390 Architecture
host_xm_defines='FATAL_EXIT_CODE=12'
;;
i[34567]86-*-solaris2*)
out_host_hook_obj=host-solaris.o
host_xmake_file="${host_xmake_file} x-solaris"
;;
i[34567]86-pc-msdosdjgpp*)
host_xm_file=i386/xm-djgpp.h
host_exeext=.exe
# Shorten $target_noncanonical for 8.3 filename conventions.
case ${target} in
*pc-msdosdjgpp*)
target_noncanonical=djgpp
;;
esac
;;
i[34567]86-*-pe | i[34567]86-*-cygwin*)
host_xm_file=i386/xm-cygwin.h
out_host_hook_obj=host-cygwin.o
host_xmake_file="${host_xmake_file} i386/x-cygwin"
host_exeext=.exe
;;
i[34567]86-*-mingw32*)
host_xm_file=i386/xm-mingw32.h
host_xmake_file="${host_xmake_file} i386/x-mingw32"
host_exeext=.exe
out_host_hook_obj=host-mingw32.o
;;
x86_64-*-mingw*)
use_long_long_for_widest_fast_int=yes
host_xm_file=i386/xm-mingw32.h
host_xmake_file="${host_xmake_file} i386/x-mingw32"
host_exeext=.exe
out_host_hook_obj=host-mingw32.o
;;
i[34567]86-*-uwin*)
echo "*** UWIN may not be used as a host platform because"
echo "*** linking with posix.dll is not allowed by the GNU GPL."
exit 1
;;
i[34567]86-*-darwin* | x86_64-*-darwin*)
out_host_hook_obj="${out_host_hook_obj} host-i386-darwin.o"
host_xmake_file="${host_xmake_file} i386/x-darwin"
;;
ia64-hp-*vms*)
host_xm_file="vms/xm-vms.h vms/xm-vms64.h"
host_xmake_file=vms/x-vms
host_exeext=.exe
host_can_use_collect2=no
prefix=/gnu
local_prefix=/gnu/local
;;
powerpc-*-beos*)
host_can_use_collect2=no
;;
powerpc-*-darwin*)
out_host_hook_obj="${out_host_hook_obj} host-ppc-darwin.o"
host_xmake_file="${host_xmake_file} rs6000/x-darwin"
;;
powerpc64-*-darwin*)
out_host_hook_obj="${out_host_hook_obj} host-ppc64-darwin.o"
host_xmake_file="${host_xmake_file} rs6000/x-darwin64"
;;
rs6000-ibm-aix* | powerpc-ibm-aix*)
host_xmake_file="${host_xmake_file} rs6000/x-aix"
;;
*-*-solaris2*)
out_host_hook_obj=host-solaris.o
host_xmake_file="${host_xmake_file} x-solaris"
;;
*-*-linux*)
out_host_hook_obj=host-linux.o
host_xmake_file="${host_xmake_file} x-linux"
;;
ia64-*-hpux*)
use_long_long_for_widest_fast_int=yes
out_host_hook_obj=host-hpux.o
host_xmake_file="${host_xmake_file} x-hpux"
;;
esac