Index: Makefile.pre.in
===================================================================
--- Makefile.pre.in     (revision 50594)
+++ Makefile.pre.in     (working copy)
@@ -886,4 +886,4 @@
                --prefix=$(prefix) \
                --install-scripts=$(BINDIR) \
                --install-platlib=$(DESTSHARED) \
-               --root=/$(DESTDIR)
+               --root=$(DESTDIR)/

 # Here are a couple of targets for MacOSX again, to install a full
 # framework-based Python. frameworkinstall installs everything, the
@@ -959,4 +959,4 @@
        ./$(BUILDPYTHON) $(srcdir)/Tools/scripts/setup.py install \
        --prefix=$(prefix) \
        --install-scripts=$(BINDIR) \
-       --root=/$(DESTDIR)
+       --root=$(DESTDIR)/

 # Build the toplevel Makefile
 Makefile.pre: Makefile.pre.in config.status