2009-04-05 Daniel Kraft <d@domob.eu>

[pf3gnuchains/gcc-fork.git] / gcc / exec-tool.in

diff --git a/gcc/exec-tool.in b/gcc/exec-tool.in
index f4cc7a0..f585163 100644 (file)
--- a/gcc/exec-tool.in
+++ b/gcc/exec-tool.in
@@ -1,6 +1,6 @@
 #! /bin/sh
 
-# Copyright (C) 2007 Free Software Foundation, Inc.
+# 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
@@ -23,6 +23,8 @@ 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
@@ -50,7 +52,22 @@ case "$original" in
     scriptdir=`cd "$tdir" && pwd`
 
     if test -x $scriptdir/../$dir/$prog; then
-      exec $scriptdir/../$dir/$prog ${1+"$@"}
+      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