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1 #! /bin/sh
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2
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3 # Copyright (C) 2007, 2008 Free Software Foundation, Inc.
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4 # This file is part of GCC.
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5
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6 # GCC is free software; you can redistribute it and/or modify
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7 # it under the terms of the GNU General Public License as published by
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8 # the Free Software Foundation; either version 3, or (at your option)
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9 # any later version.
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10
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11 # GCC is distributed in the hope that it will be useful,
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12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 # GNU General Public License for more details.
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15
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16 # You should have received a copy of the GNU General Public License
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17 # along with GCC; see the file COPYING3. If not see
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18 # <http://www.gnu.org/licenses/>.
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19
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20 # Invoke as, ld or nm from the build tree.
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21
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22 ORIGINAL_AS_FOR_TARGET="@ORIGINAL_AS_FOR_TARGET@"
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23 ORIGINAL_LD_FOR_TARGET="@ORIGINAL_LD_FOR_TARGET@"
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24 ORIGINAL_NM_FOR_TARGET="@ORIGINAL_NM_FOR_TARGET@"
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25 exeext=@host_exeext@
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26 fast_install=@enable_fast_install@
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27 objdir=@objdir@
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28
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29 invoked=`basename "$0"`
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30 case "$invoked" in
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31 as)
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32 original=$ORIGINAL_AS_FOR_TARGET
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33 prog=as-new$exeext
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34 dir=gas
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35 ;;
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36 collect-ld)
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37 original=$ORIGINAL_LD_FOR_TARGET
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38 prog=ld-new$exeext
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39 dir=ld
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40 ;;
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41 nm)
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42 original=$ORIGINAL_NM_FOR_TARGET
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43 prog=nm-new$exeext
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44 dir=binutils
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45 ;;
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46 esac
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47
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48 case "$original" in
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49 ../*)
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50 # compute absolute path of the location of this script
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51 tdir=`dirname "$0"`
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52 scriptdir=`cd "$tdir" && pwd`
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53
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54 if test -x $scriptdir/../$dir/$prog; then
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55 test "$fast_install" = yes || exec $scriptdir/../$dir/$prog ${1+"$@"}
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56
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57 # if libtool did everything it needs to do, there's a fast path
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58 lt_prog=$scriptdir/../$dir/$objdir/lt-$prog
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59 test -x $lt_prog && exec $lt_prog ${1+"$@"}
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60
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61 # libtool has not relinked ld-new yet, but we cannot just use the
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62 # previous stage (because then the relinking would just never happen!).
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63 # So we take extra care to use prev-ld/ld-new *on recursive calls*.
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64 test x"$LT_RCU" = x"1" && exec $scriptdir/../prev-$dir/$prog ${1+"$@"}
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65
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66 LT_RCU=1; export LT_RCU
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67 $scriptdir/../$dir/$prog ${1+"$@"}
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68 result=$?
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69 exit $result
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70
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71 else
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72 exec $scriptdir/../prev-$dir/$prog ${1+"$@"}
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73 fi
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74 ;;
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75 *)
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76 exec "$original" ${1+"$@"}
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77 ;;
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78 esac
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79
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80
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