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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [config.host] - Blame information for rev 280

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1 280 jeremybenn
# GCC host-specific configuration file.
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# Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2006, 2007, 2008, 2009
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# 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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#.
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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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#  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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# 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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# 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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  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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esac
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# Machine-specific settings.
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case ${host} in
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  alpha64-dec-*vms*)
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    host_xm_file="vms/xm-vms.h vms/xm-vms64.h"
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    host_xmake_file=vms/x-vms
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    host_exeext=.exe
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    host_can_use_collect2=no
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    prefix=/gnu
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    local_prefix=/gnu/local
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    ;;
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  alpha*-dec-*vms*)
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    host_xm_file="vms/xm-vms.h"
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    host_xmake_file=vms/x-vms
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    host_exeext=.exe
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    host_can_use_collect2=no
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    prefix=/gnu
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    local_prefix=/gnu/local
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    ;;
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  hppa1.0-*-hpux10* | hppa1.1-*-hpux10* | hppa2*-*-hpux10*)
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    out_host_hook_obj=host-hpux.o
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    host_xmake_file="${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*)
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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 ${target} in
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      *pc-msdosdjgpp*)
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        target_noncanonical=djgpp
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        ;;
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    esac
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    ;;
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  i[34567]86-*-pe | i[34567]86-*-cygwin*)
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    host_xm_file=i386/xm-cygwin.h
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    out_host_hook_obj=host-cygwin.o
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    host_xmake_file="${host_xmake_file} i386/x-cygwin"
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    host_exeext=.exe
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    ;;
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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="${host_xmake_file} i386/x-mingw32"
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    host_exeext=.exe
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    out_host_hook_obj=host-mingw32.o
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    ;;
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  x86_64-*-mingw*)
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    use_long_long_for_widest_fast_int=yes
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    host_xm_file=i386/xm-mingw32.h
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    host_xmake_file="${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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    ;;
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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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  ia64-hp-*vms*)
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    host_xm_file="vms/xm-vms.h vms/xm-vms64.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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    prefix=/gnu
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    local_prefix=/gnu/local
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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="${host_xmake_file} x-linux"
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    ;;
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  ia64-*-hpux*)
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    use_long_long_for_widest_fast_int=yes
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    out_host_hook_obj=host-hpux.o
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    host_xmake_file="${host_xmake_file} x-hpux"
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    ;;
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esac

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