Fix for #1091468: DESTROOTed frameworkinstalls fail. Added a --destroot
option to various tools, and do the right thing when we're doing a destroot
install.

Will backport to 2.4 and 2.3.
diff --git a/Lib/plat-mac/bundlebuilder.py b/Lib/plat-mac/bundlebuilder.py
index 09b9dea..e379544 100755
--- a/Lib/plat-mac/bundlebuilder.py
+++ b/Lib/plat-mac/bundlebuilder.py
@@ -110,6 +110,9 @@
 
     # Verbosity level.
     verbosity = 1
+    
+    # Destination root directory
+    destroot = ""
 
     def setup(self):
         # XXX rethink self.name munging, this is brittle.
@@ -445,7 +448,7 @@
                 execname = os.path.basename(self.executable)
             execpath = pathjoin(self.execdir, execname)
             if not self.symlink_exec:
-                self.files.append((self.executable, execpath))
+                self.files.append((self.destroot + self.executable, execpath))
             self.execpath = execpath
 
         if self.mainprogram is not None:
@@ -828,7 +831,7 @@
         "mainprogram=", "creator=", "nib=", "plist=", "link",
         "link-exec", "help", "verbose", "quiet", "argv", "standalone",
         "exclude=", "include=", "package=", "strip", "iconfile=",
-        "lib=", "python=", "semi-standalone", "bundle-id=")
+        "lib=", "python=", "semi-standalone", "bundle-id=", "destroot=")
 
     try:
         options, args = getopt.getopt(sys.argv[1:], shortopts, longopts)
@@ -890,6 +893,8 @@
             builder.includePackages.append(arg)
         elif opt == '--strip':
             builder.strip = 1
+        elif opt == '--destroot':
+            builder.destroot = arg
 
     if len(args) != 1:
         usage("Must specify one command ('build', 'report' or 'help')")