From 43617807050f07d2c32e6f99e729e8ee4f3e2253 Mon Sep 17 00:00:00 2001
From: Ryan Kelly <ryan@rfk.id.au>
Date: Wed, 30 Apr 2014 15:39:05 +1000
Subject: [PATCH] Make $(ENV) target depend on the requirements file.

Fixes #19
---
 Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 657307d..ac85ad8 100644
--- a/Makefile
+++ b/Makefile
@@ -8,7 +8,7 @@ all: build
 
 .PHONY: build
 build: | $(ENV)
-$(ENV):
+$(ENV): requirements.txt
 	$(VIRTUALENV) --no-site-packages $(ENV)
 	$(ENV)/bin/pip install -r requirements.txt
 	$(ENV)/bin/python ./setup.py develop