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-rw-r--r--gcc-4.4.0/gcc/exec-tool.in107
1 files changed, 82 insertions, 25 deletions
diff --git a/gcc-4.4.0/gcc/exec-tool.in b/gcc-4.4.0/gcc/exec-tool.in
index f58516340..65670e6a9 100644
--- a/gcc-4.4.0/gcc/exec-tool.in
+++ b/gcc-4.4.0/gcc/exec-tool.in
@@ -1,6 +1,6 @@
#! /bin/sh
-# Copyright (C) 2007, 2008 Free Software Foundation, Inc.
+# Copyright (C) 2007, 2008, 2010 Free Software Foundation, Inc.
# This file is part of GCC.
# GCC is free software; you can redistribute it and/or modify
@@ -21,10 +21,12 @@
ORIGINAL_AS_FOR_TARGET="@ORIGINAL_AS_FOR_TARGET@"
ORIGINAL_LD_FOR_TARGET="@ORIGINAL_LD_FOR_TARGET@"
+ORIGINAL_GOLD_FOR_TARGET="@ORIGINAL_GOLD_FOR_TARGET@"
ORIGINAL_NM_FOR_TARGET="@ORIGINAL_NM_FOR_TARGET@"
exeext=@host_exeext@
fast_install=@enable_fast_install@
objdir=@objdir@
+version="1.1"
invoked=`basename "$0"`
case "$invoked" in
@@ -33,48 +35,103 @@ case "$invoked" in
prog=as-new$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
;;
+ collect-ld)
+ prog=ld-new$exeext
+ # Look for the a command line option
+ # specifying the linker to be used.
+ case " $* " in
+ *\ -use-gold\ *)
+ original=$ORIGINAL_GOLD_FOR_TARGET
+ dir=gold
+ ;;
+ *\ -use-ld\ * | *\ -use-ld.bfd\ *)
+ original=$ORIGINAL_LD_FOR_TARGET
+ dir=ld
+ ;;
+ *)
+ original=$ORIGINAL_LD_FOR_TARGET
+ dir=ld
+ ;;
+ esac
+
+ # If the selected linker has not been configured then
+ # try using the others, in the order LD, GOLD.
+ if test x"$original" = x; then
+ if test x"$ORIGINAL_LD_FOR_TARGET" != x; then
+ original=$ORIGINAL_LD_FOR_TARGET
+ dir=ld
+ elif test x"$ORIGINAL_GOLD_FOR_TARGET" != x; then
+ original=$ORIGINAL_GOLD_FOR_TARGET
+ dir=gold
+ # Otherwise do nothing - the case statement below
+ # will issue an error message for us.
+ fi
+ fi
+ ;;
esac
case "$original" in
../*)
- # compute absolute path of the location of this script
+ # Compute absolute path to 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 $result
+ if test "$fast_install" = yes; then
+ # If libtool did everything it needs to do, there's a fast path.
+ lt_prog=$scriptdir/../$dir/$objdir/lt-$prog
+ if test -x $lt_prog; then
+ original=$lt_prog
+ else
+ # 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*.
+ if test x"$LT_RCU" = x"1"; then
+ original=$scriptdir/../prev-$dir/$prog
+ else
+ LT_RCU=1; export LT_RCU
+ case " $* " in
+ *\ -v\ *)
+ echo "$invoked $version"
+ echo $scriptdir/../$dir/$prog $*
+ ;;
+ esac
+ $scriptdir/../$dir/$prog ${1+"$@"}
+ result=$?
+ exit $result
+ fi
+ fi
+ else
+ original=$scriptdir/../$dir/$prog
+ fi
else
- exec $scriptdir/../prev-$dir/$prog ${1+"$@"}
+ original=$scriptdir/../prev-$dir/$prog
fi
;;
- *)
- exec "$original" ${1+"$@"}
+ "")
+ echo "$invoked: executable not configured"
+ exit 1
;;
esac
+# If -v has been used then display our version number
+# and then echo the command we are about to invoke.
+case " $* " in
+ *\ -v\ *)
+ echo "$invoked $version"
+ echo $original $*
+ ;;
+esac
+if test -x $original; then
+ exec "$original" ${1+"$@"}
+else
+ echo "$invoked: unable to locate executable: $original"
+ exit 1
+fi