gcc/config.host

   1 # GCC host-specific configuration file.
   2 # Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003
   3 # Free Software Foundation, Inc.
   4
   5 #This file is part of GCC.
   6
   7 #GCC is free software; you can redistribute it and/or modify it under
   8 #the terms of the GNU General Public License as published by the Free
   9 #Software Foundation; either version 2, or (at your option) any later
  10 #version.
  11
  12 #GCC is distributed in the hope that it will be useful, but WITHOUT
  13 #ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  14 #FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  15 #for more details.
  16
  17 #You should have received a copy of the GNU General Public License
  18 #along with GCC; see the file COPYING.  If not, write to the Free
  19 #Software Foundation, 59 Temple Place - Suite 330, Boston, MA
  20 #02111-1307, USA.
  21
  22 # This is the GCC host-specific configuration file
  23 # where a configuration type is mapped to different system-specific
  24 # definitions and files.  This is invoked by the autoconf-generated
  25 # configure script.  Putting it in a separate shell file lets us skip
  26 # running autoconf when modifying host-specific information.
  27
  28 # This file switches on the shell variable ${host}.  As much of this as
  29 # is reasonable should be replaced with autoconf tests in the future.
  30
  31 # This file sets the following shell variables for use by the
  32 # autoconf-generated configure script:
  33 #
  34 #  host_xm_file         List of files to include when compiling for the
  35 #                       host machine.
  36 #
  37 #  host_xm_defines      List of macros to define when compiling for the
  38 #                       host machine.
  39 #
  40 #  host_xmake_file      List of host-specific makefile-fragments.
  41 #
  42 #  host_exeext          Set to the suffix, if the host machine requires
  43 #                       executables to have a file name suffix.
  44 #
  45 #  host_extra_objs      List of extra host-dependent objects that should
  46 #                       be linked into the compiler proper.
  47 #
  48 #  host_extra_gcc_objs  List of extra host-dependent objects that should
  49 #                       be linked into the gcc driver.
  50 #
  51 #  out_host_hook_obj    An object file that provides the host hooks.
  52 #
  53 #  host_can_use_collect2 Set to yes normally; to no if the host cannot
  54 #                       link or otherwise use collect2
  55
  56 # When setting any of these variables, check to see if a corresponding
  57 # variable is present in config.build; if so, you will likely want to
  58 # set it in both places.
  59
  60 # Default settings.
  61 host_xm_file=
  62 host_xm_defines=
  63 host_xmake_file=
  64 host_exeext=
  65 host_extra_objs=
  66 host_extra_gcc_objs=
  67 out_host_hook_obj=host-default.o
  68 host_can_use_collect2=yes
  69
  70 # Unsupported hosts list.  Generally, only include hosts known to fail here,
  71 # since we allow hosts not listed to be supported generically.
  72 case ${host} in
  73    i[34567]86-sequent-sysv \
  74  | i[34567]86-sequent-sysv[123]* \
  75  | i[34567]86-go32-* \
  76  | i[34567]86-*-go32* \
  77  | vax-*-vms*)
  78     echo "*** Configuration for host ${host} not supported" 1>&2
  79     exit 1
  80     ;;
  81 esac
  82
  83 # Machine-specific settings.
  84 case ${host} in
  85   alpha*-dec-*vms*)
  86     host_xm_file=alpha/xm-vms.h
  87     host_xmake_file=alpha/x-vms
  88     host_exeext=.exe
  89     host_can_use_collect2=no
  90     # This removes the cpu type and manufacturer components and
  91     #  replaces "." with "_" in the operating system version.
  92     target_noncanonical=`echo $host | sed 's/.*-.*-\(.*\)$/\1/' | sed 's/\./_/g'`
  93     prefix=/gnu
  94     local_prefix=/gnu
  95     ;;
  96   hppa1.1-*-pro*)
  97     host_xmake_file="pa/x-ada"
  98     ;;
  99   hppa1.1-*-osf*)
 100     host_xmake_file="pa/x-ada"
 101     ;;
 102   hppa1.1-*-rtems*)
 103     host_xmake_file="pa/x-ada"
 104     ;;
 105   hppa1.1-*-bsd*)
 106     host_xmake_file="pa/x-ada"
 107     ;;
 108   hppa1.0-*-hpux10* | hppa1.1-*-hpux10* | hppa2*-*-hpux10* | \
 109   hppa1.0-*-hpux11* | hppa1.1-*-hpux11* | hppa2*-*-hpux11* | \
 110   hppa*64*-*-hpux11*)
 111     host_xmake_file="pa/x-ada"
 112     ;;
 113   i370-*-opened* | i370-*-mvs* ) # IBM 360/370/390 Architecture
 114     host_xm_defines='FATAL_EXIT_CODE=12'
 115     ;;
 116   i[34567]86-sequent-ptx4*)
 117     host_xm_defines="SMALL_ARG_MAX"
 118     ;;
 119   i[34567]86-*-solaris2*)
 120     host_xm_defines="SMALL_ARG_MAX"
 121     out_host_hook_obj=host-solaris.o
 122     host_xmake_file=x-solaris
 123     ;;
 124   i[34567]86-*-sysv4*) # Intel 80386's running System V Release 4
 125     host_xm_defines="SMALL_ARG_MAX"
 126     ;;
 127   i[34567]86-pc-msdosdjgpp*)
 128     host_xm_file=i386/xm-djgpp.h
 129     host_exeext=.exe
 130     # Shorten $target_noncanonical for 8.3 filename conventions.
 131     case ${target} in
 132       *pc-msdosdjgpp*)
 133         target_noncanonical=djgpp
 134         ;;
 135     esac
 136     ;;
 137   i[34567]86-*-pe | i[34567]86-*-cygwin*)
 138     host_xm_file=i386/xm-cygwin.h
 139     host_exeext=.exe
 140     ;;
 141   i[34567]86-*-mingw32*)
 142     host_xm_file=i386/xm-mingw32.h
 143     host_xmake_file=i386/x-mingw32
 144     host_exeext=.exe
 145     host_can_use_collect2=no
 146     out_host_hook_obj=host-mingw32.o
 147     ;;
 148   i[34567]86-*-uwin*)
 149     echo "*** UWIN may not be used as a host platform because"
 150     echo "*** linking with posix.dll is not allowed by the GNU GPL."
 151     exit 1
 152     ;;
 153   i[34567]86-*-interix3*)
 154     host_xmake_file="x-interix"
 155     ;;
 156   i860-*-sysv4*)
 157     host_xmake_file=i860/x-sysv4
 158     ;;
 159   powerpc-*-beos*)
 160     host_can_use_collect2=no
 161     ;;
 162   powerpc-*-darwin*)
 163     # powerpc-darwin host support.
 164     out_host_hook_obj=host-darwin.o
 165     host_xmake_file=rs6000/x-darwin
 166     ;;
 167   *-*-solaris2*)
 168     out_host_hook_obj=host-solaris.o
 169     host_xmake_file=x-solaris
 170     ;;
 171   *-*-linux*)
 172     out_host_hook_obj=host-linux.o
 173     host_xmake_file=x-linux
 174     ;;
 175 esac