From 8320ac4ec430a6234ce3178abc460bc1d6b69b86 Mon Sep 17 00:00:00 2001
From: Takafumi Arakaki <aka.tkf@gmail.com>
Date: Sun, 19 May 2013 02:16:48 +0200
Subject: [PATCH] Set VIRTUALENV_SYSTEM_SITE_PACKAGES=true

fixes #38
---
 Makefile | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index ceab2b3..a521494 100644
--- a/Makefile
+++ b/Makefile
@@ -1,9 +1,14 @@
 ENV = env
 
+VIRTUALENV_SYSTEM_SITE_PACKAGES ?= true
+VIRTUALENV = \
+	VIRTUALENV_SYSTEM_SITE_PACKAGES=$(VIRTUALENV_SYSTEM_SITE_PACKAGES) \
+		virtualenv --python=$(PYTHON)
 PYTHON ?= python
 CARTON ?= carton
 EMACS ?= emacs
 
+
 EL4T_SCRIPT = tools/el4t/emacs.sh
 EL4T_CARTON = EL4T_EMACS=${EMACS} EMACS=${EL4T_SCRIPT} ${CARTON}
 EL4T_CARTON_EMACS = ${EL4T_CARTON} exec ${EL4T_SCRIPT}
@@ -48,7 +53,7 @@ requirements: env
 
 env: $(ENV)/bin/activate
 $(ENV)/bin/activate:
-	virtualenv --python=$(PYTHON) $(ENV)
+	$(VIRTUALENV) $(ENV)
 
 clean-env:
 	rm -rf $(ENV)