Index: git-1.8.4/Makefile
===================================================================
--- git-1.8.4/Makefile.orig	2013-08-24 03:38:43.000000000 +0800
+++ git-1.8.4/Makefile	2013-08-26 09:46:14.596687535 +0800
@@ -1838,7 +1838,7 @@ $(SCRIPT_PYTHON_GEN): GIT-CFLAGS GIT-PRE
 $(SCRIPT_PYTHON_GEN): % : %.py
 	$(QUIET_GEN)$(RM) $@ $@+ && \
 	INSTLIBDIR=`MAKEFLAGS= $(MAKE) -C git_remote_helpers -s \
-		--no-print-directory prefix='$(prefix_SQ)' DESTDIR='$(DESTDIR_SQ)' \
+		--no-print-directory prefix='$(prefix_SQ)' DESTDIR= \
 		instlibdir` && \
 	sed -e '1s|#!.*python|#!$(PYTHON_PATH_SQ)|' \
 	    -e 's|\(os\.getenv("GITPYTHONLIB"\)[^)]*)|\1,"@@INSTLIBDIR@@")|' \
Index: git-1.8.4/git_remote_helpers/Makefile
===================================================================
--- git-1.8.4/git_remote_helpers/Makefile.orig	2013-08-24 03:38:43.000000000 +0800
+++ git-1.8.4/git_remote_helpers/Makefile	2013-08-26 09:47:37.941682649 +0800
@@ -35,7 +35,7 @@ all: $(pysetupfile)
 	$(QUIET)echo "$(py_version)" >GIT-PYTHON-VERSION
 
 install: $(pysetupfile)
-	$(PYTHON_PATH) $(pysetupfile) install --prefix $(DESTDIR_SQ)$(prefix)
+	$(PYTHON_PATH) $(pysetupfile) install --prefix $(prefix) --root $(DESTDIR_SQ)
 
 instlibdir: $(pysetupfile)
 	@echo "$(DESTDIR_SQ)$(prefix)/$(PYLIBDIR)"