commit 80034731fee32b4c4c1c5c326a265e6f75469a8f
Author: Christoph Egger <chegger@xxxxxxxxx>
Date:   Fri Feb 8 12:44:12 2013 +0000

    tools/pygrub: Do not override pygrub with a symbolic link if $(BINDIR)
    and $(PRIVATE_BINDIR) are the same.
    
    Signed-off-by: Christoph Egger <chegger@xxxxxxxxx>

diff --git a/tools/pygrub/Makefile b/tools/pygrub/Makefile
index 039f7f7..0191638 100644
--- a/tools/pygrub/Makefile
+++ b/tools/pygrub/Makefile
@@ -14,7 +14,8 @@ install: all
 		$(PYTHON_PREFIX_ARG) --root="$(DESTDIR)" \
 		--install-scripts=$(PRIVATE_BINDIR) --force
 	$(INSTALL_DIR) $(DESTDIR)/var/run/xend/boot
-	set -e; if [ "`readlink -f $(DESTDIR)/$(BINDIR)`" != \
+	set -e; if [ $(BINDIR) != $(PRIVATE_BINDIR) -a \
+	             "`readlink -f $(DESTDIR)/$(BINDIR)`" != \
 	             "`readlink -f $(PRIVATE_BINDIR)`" ]; then \
 	    ln -sf $(PRIVATE_BINDIR)/pygrub $(DESTDIR)/$(BINDIR); \
 	fi