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Diffstat (limited to 'gcc-4.9/gcc/exec-tool.in')
-rw-r--r-- | gcc-4.9/gcc/exec-tool.in | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/exec-tool.in b/gcc-4.9/gcc/exec-tool.in new file mode 100644 index 000000000..b07c3b27f --- /dev/null +++ b/gcc-4.9/gcc/exec-tool.in @@ -0,0 +1,108 @@ +#! /bin/sh + +# Copyright (C) 2007-2014 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 |