286 lines
8.6 KiB
Plaintext
286 lines
8.6 KiB
Plaintext
# GCC host-specific configuration file.
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# Copyright (C) 1997-2014 Free Software Foundation, Inc.
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#This file is part of GCC.
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#GCC is free software; you can redistribute it and/or modify it under
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#the terms of the GNU General Public License as published by the Free
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#Software Foundation; either version 3, or (at your option) any later
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#version.
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#GCC is distributed in the hope that it will be useful, but WITHOUT
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#ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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#FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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#for more details.
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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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# This is the GCC host-specific configuration file
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# where a configuration type is mapped to different system-specific
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# definitions and files. This is invoked by the autoconf-generated
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# configure script. Putting it in a separate shell file lets us skip
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# running autoconf when modifying host-specific information.
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# This file switches on the shell variable ${host}. As much of this as
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# is reasonable should be replaced with autoconf tests in the future.
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# This file sets the following shell variables for use by the
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# autoconf-generated configure script:
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#
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# host_xm_file List of files to include when compiling for the
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# host machine.
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#
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# host_xm_defines List of macros to define when compiling for the
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# host machine.
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#
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# host_xmake_file List of host-specific makefile-fragments.
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#
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# host_exeext Set to the suffix, if the host machine requires
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# executables to have a file name suffix.
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#
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# host_extra_objs List of extra host-dependent objects that should
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# be linked into the compiler proper.
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#
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# host_extra_gcc_objs List of extra host-dependent objects that should
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# be linked into the gcc driver.
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#
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# out_host_hook_obj An object file that provides the host hooks.
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#
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# host_can_use_collect2 Set to yes normally; to no if the host cannot
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# link or otherwise use collect2
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#
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# use_long_long_for_widest_fast_int Set this to 'yes' if 'long long'
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# (or '__int64') is wider than 'long' but still
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# efficeiently supported by the host hardware.
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# Only affects compile speed. Default is 'no'.
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#
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# host_lto_plugin_soname Set this to the name to which the LTO linker
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# plugin gets compiled on this host, if it is
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# different from the default "liblto_plugin.so".
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# When setting any of these variables, check to see if a corresponding
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# variable is present in config.build; if so, you will likely want to
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# set it in both places.
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# Default settings.
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host_xm_file=
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host_xm_defines=
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host_xmake_file=
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host_exeext=
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host_extra_objs=
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host_extra_gcc_objs=
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out_host_hook_obj=host-default.o
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host_can_use_collect2=yes
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use_long_long_for_widest_fast_int=no
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host_lto_plugin_soname=liblto_plugin.so
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# Unsupported hosts list. Generally, only include hosts known to fail here,
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# since we allow hosts not listed to be supported generically.
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case ${host} in
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i[34567]86-sequent-sysv \
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| i[34567]86-sequent-sysv[123]* \
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| i[34567]86-go32-* \
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| i[34567]86-*-go32* \
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| vax-*-vms*)
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echo "*** Configuration for host ${host} not supported" 1>&2
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exit 1
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;;
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esac
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# Common parts for widely ported systems.
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case ${host} in
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*-darwin*)
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# Generic darwin host support.
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out_host_hook_obj=host-darwin.o
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host_xmake_file="${host_xmake_file} x-darwin"
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;;
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esac
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case ${host} in
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arm*-*-linux*)
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case ${target} in
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arm*-*-*)
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host_extra_gcc_objs="driver-arm.o"
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host_xmake_file="${host_xmake_file} arm/x-arm"
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;;
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esac
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;;
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alpha*-*-linux*)
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case ${target} in
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alpha*-*-linux*)
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host_extra_gcc_objs="driver-alpha.o"
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host_xmake_file="${host_xmake_file} alpha/x-alpha"
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;;
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esac
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;;
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i[34567]86-*-* \
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| x86_64-*-* )
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case ${target} in
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i[34567]86-*-* \
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| x86_64-*-* )
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host_extra_gcc_objs="driver-i386.o"
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host_xmake_file="${host_xmake_file} i386/x-i386"
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;;
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esac
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;;
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mips*-*-linux*)
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case ${target} in
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mips*-*-linux*)
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host_extra_gcc_objs="driver-native.o"
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host_xmake_file="${host_xmake_file} mips/x-native"
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;;
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esac
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;;
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rs6000-*-* \
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| powerpc*-*-* )
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case ${target} in
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rs6000-*-* \
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| powerpc*-*-* )
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host_extra_gcc_objs="driver-rs6000.o"
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host_xmake_file="${host_xmake_file} rs6000/x-rs6000"
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;;
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esac
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case ${host} in
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*-*-linux* | *-*-freebsd*)
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if test "${GCC}:${ac_cv_sizeof_long}" = yes:4; then
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# On powerpc*-*-linux* use -Wl,--relax to link cc1,
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# if ld is new enough, otherwise force -O1 in CFLAGS.
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host_ppc_relax_xmake_file=
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host_ld_ver=`${CC} -Wl,--version 2>/dev/null | sed 1q`
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if echo "$host_ld_ver" | grep GNU > /dev/null; then
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host_ld_date=`echo $host_ld_ver \
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| sed -n 's,^.*\([2-9][0-9][0-9][0-9]\)[-]*\([01][0-9]\)[-]*\([0-3][0-9]\).*$,\1\2\3,p'`
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if test 0"$host_ld_date" -gt 20080806; then
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host_ppc_relax_xmake_file=rs6000/x-linux-relax
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fi
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fi
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if test -z "${host_ppc_relax_xmake_file}"; then
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host_ppc_relax_xmake_file=x-cflags-O1
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fi
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host_xmake_file="${host_xmake_file} ${host_ppc_relax_xmake_file}"
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fi
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;;
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esac
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;;
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sparc*-*-solaris2*)
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case ${target} in
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sparc*-*-solaris2*)
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host_extra_gcc_objs="driver-sparc.o"
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host_xmake_file="${host_xmake_file} sparc/x-sparc"
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;;
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esac
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;;
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sparc*-*-linux*)
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case ${target} in
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sparc*-*-linux*)
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host_extra_gcc_objs="driver-sparc.o"
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host_xmake_file="${host_xmake_file} sparc/x-sparc"
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;;
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esac
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;;
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esac
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# Machine-specific settings.
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case ${host} in
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hppa1.0-*-hpux10* | hppa1.1-*-hpux10* | hppa2*-*-hpux10*)
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out_host_hook_obj=host-hpux.o
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host_xmake_file="${host_xmake_file} x-hpux"
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;;
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hppa1.0-*-hpux11* | hppa1.1-*-hpux11* | hppa2*-*-hpux11* | \
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hppa*64*-*-hpux11*)
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out_host_hook_obj=host-hpux.o
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host_xmake_file="${host_xmake_file} x-hpux"
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;;
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hppa*-*-linux*)
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out_host_hook_obj=host-hpux.o
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host_xmake_file="${host_xmake_file} x-hpux"
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;;
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i370-*-opened* | i370-*-mvs* ) # IBM 360/370/390 Architecture
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host_xm_defines='FATAL_EXIT_CODE=12'
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;;
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i[34567]86-*-solaris2* | x86_64-*-solaris2.1[0-9]*)
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out_host_hook_obj=host-solaris.o
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host_xmake_file="${host_xmake_file} x-solaris"
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;;
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i[34567]86-pc-msdosdjgpp*)
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host_xm_file=i386/xm-djgpp.h
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host_exeext=.exe
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# Shorten $target_noncanonical for 8.3 filename conventions.
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case ${target} in
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*pc-msdosdjgpp*)
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target_noncanonical=djgpp
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;;
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esac
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;;
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i[34567]86-*-cygwin* | x86_64-*-cygwin*)
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host_xm_file=i386/xm-cygwin.h
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out_host_hook_obj=host-cygwin.o
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host_xmake_file="${host_xmake_file} i386/x-cygwin"
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host_exeext=.exe
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host_lto_plugin_soname=cyglto_plugin-0.dll
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;;
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i[34567]86-*-mingw32*)
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host_xm_file=i386/xm-mingw32.h
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host_xmake_file="${host_xmake_file} i386/x-mingw32"
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host_exeext=.exe
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out_host_hook_obj=host-mingw32.o
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host_lto_plugin_soname=liblto_plugin-0.dll
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;;
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x86_64-*-mingw*)
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use_long_long_for_widest_fast_int=yes
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host_xm_file=i386/xm-mingw32.h
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host_xmake_file="${host_xmake_file} i386/x-mingw32"
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host_exeext=.exe
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out_host_hook_obj=host-mingw32.o
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host_lto_plugin_soname=liblto_plugin-0.dll
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;;
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i[34567]86-*-uwin*)
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echo "*** UWIN may not be used as a host platform because"
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echo "*** linking with posix.dll is not allowed by the GNU GPL."
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exit 1
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;;
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i[34567]86-*-darwin* | x86_64-*-darwin*)
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out_host_hook_obj="${out_host_hook_obj} host-i386-darwin.o"
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host_xmake_file="${host_xmake_file} i386/x-darwin"
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;;
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powerpc-*-beos*)
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host_can_use_collect2=no
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;;
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powerpc-*-darwin*)
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out_host_hook_obj="${out_host_hook_obj} host-ppc-darwin.o"
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host_xmake_file="${host_xmake_file} rs6000/x-darwin"
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;;
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powerpc64-*-darwin*)
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out_host_hook_obj="${out_host_hook_obj} host-ppc64-darwin.o"
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host_xmake_file="${host_xmake_file} rs6000/x-darwin64"
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;;
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rs6000-ibm-aix* | powerpc-ibm-aix*)
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host_xmake_file="${host_xmake_file} rs6000/x-aix"
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;;
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*-*-solaris2*)
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out_host_hook_obj=host-solaris.o
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host_xmake_file="${host_xmake_file} x-solaris"
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;;
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*-*-linux*)
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out_host_hook_obj=host-linux.o
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host_xmake_file="${host_xmake_file} x-linux"
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;;
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*-*-openbsd*)
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out_host_hook_obj=host-openbsd.o
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host_xmake_file="${host_xmake_file} x-openbsd"
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;;
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ia64-*-hpux*)
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use_long_long_for_widest_fast_int=yes
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out_host_hook_obj=host-hpux.o
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host_xmake_file="${host_xmake_file} x-hpux"
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;;
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*-*-*vms*)
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host_xm_file="vms/xm-vms.h"
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host_xmake_file=vms/x-vms
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host_exeext=.exe
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host_can_use_collect2=no
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;;
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esac
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