Retro68/gcc/gcc/exec-tool.in
2015-08-28 17:33:40 +02:00

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#! /bin/sh
# Copyright (C) 2007-2015 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/>.
# Invoke as, ld or nm from the build tree.
ORIGINAL_AS_FOR_TARGET="@ORIGINAL_AS_FOR_TARGET@"
ORIGINAL_LD_FOR_TARGET="@ORIGINAL_LD_FOR_TARGET@"
ORIGINAL_LD_BFD_FOR_TARGET="@ORIGINAL_LD_BFD_FOR_TARGET@"
ORIGINAL_LD_GOLD_FOR_TARGET="@ORIGINAL_LD_GOLD_FOR_TARGET@"
ORIGINAL_PLUGIN_LD_FOR_TARGET="@ORIGINAL_PLUGIN_LD_FOR_TARGET@"
ORIGINAL_NM_FOR_TARGET="@ORIGINAL_NM_FOR_TARGET@"
exeext=@host_exeext@
fast_install=@enable_fast_install@
objdir=@objdir@
invoked=`basename "$0"`
id=$invoked
case "$invoked" in
as)
original=$ORIGINAL_AS_FOR_TARGET
prog=as-new$exeext
dir=gas
;;
collect-ld)
# Check -fuse-ld=bfd and -fuse-ld=gold
case " $* " in
*\ -fuse-ld=bfd\ *)
original=$ORIGINAL_LD_BFD_FOR_TARGET
;;
*\ -fuse-ld=gold\ *)
original=$ORIGINAL_LD_GOLD_FOR_TARGET
;;
*)
# when using a linker plugin, gcc will always pass '-plugin' as the
# first or second option to the linker.
if test x"$1" = "x-plugin" || test x"$2" = "x-plugin"; then
original=$ORIGINAL_PLUGIN_LD_FOR_TARGET
else
original=$ORIGINAL_LD_FOR_TARGET
fi
;;
esac
prog=ld-new$exeext
if test "$original" = ../gold/ld-new$exeext; then
dir=gold
# No need to handle relink since gold doesn't use libtool.
fast_install=yes
else
dir=ld
fi
id=ld
;;
nm)
original=$ORIGINAL_NM_FOR_TARGET
prog=nm-new$exeext
dir=binutils
;;
esac
case "$original" in
../*)
# compute absolute path of the location of this script
tdir=`dirname "$0"`
scriptdir=`cd "$tdir" && pwd`
if test -x $scriptdir/../$dir/$prog; then
test "$fast_install" = yes || exec $scriptdir/../$dir/$prog ${1+"$@"}
# if libtool did everything it needs to do, there's a fast path
lt_prog=$scriptdir/../$dir/$objdir/lt-$prog
test -x $lt_prog && exec $lt_prog ${1+"$@"}
# libtool has not relinked ld-new yet, but we cannot just use the
# previous stage (because then the relinking would just never happen!).
# So we take extra care to use prev-ld/ld-new *on recursive calls*.
eval LT_RCU="\${LT_RCU_$id}"
test x"$LT_RCU" = x"1" && exec $scriptdir/../prev-$dir/$prog ${1+"$@"}
eval LT_RCU_$id=1
export LT_RCU_$id
$scriptdir/../$dir/$prog ${1+"$@"}
result=$?
exit $result
else
exec $scriptdir/../prev-$dir/$prog ${1+"$@"}
fi
;;
*)
exec $original ${1+"$@"}
;;
esac