--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/exec-tool.in	Fri Jul 17 14:47:48 2009 +0900
@@ -0,0 +1,80 @@
+#! /bin/sh
+
+# Copyright (C) 2007, 2008 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_NM_FOR_TARGET="@ORIGINAL_NM_FOR_TARGET@"
+exeext=@host_exeext@
+fast_install=@enable_fast_install@
+objdir=@objdir@
+
+invoked=`basename "$0"`
+case "$invoked" in
+  as)
+    original=$ORIGINAL_AS_FOR_TARGET
+    prog=as-new$exeext
+    dir=gas
+    ;;
+  collect-ld)
+    original=$ORIGINAL_LD_FOR_TARGET
+    prog=ld-new$exeext
+    dir=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*.
+      test x"$LT_RCU" = x"1" && exec $scriptdir/../prev-$dir/$prog ${1+"$@"}
+
+      LT_RCU=1; export LT_RCU
+      $scriptdir/../$dir/$prog ${1+"$@"}
+      result=$?
+      exit $result
+
+    else
+      exec $scriptdir/../prev-$dir/$prog ${1+"$@"}
+    fi
+    ;;
+  *)
+    exec "$original" ${1+"$@"}
+    ;;
+esac
+
+