From 0765dbe39110c2e94948c4e9be4615d0ae6a2c6c Mon Sep 17 00:00:00 2001
From: Joschka Lingemann <joschka.lingemann@cern.ch>
Date: Mon, 20 Mar 2017 18:24:45 +0100
Subject: [PATCH] Add dag dependency to README.

---
 README.md | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 18e822c7..394f3e02 100644
--- a/README.md
+++ b/README.md
@@ -31,13 +31,19 @@ On Mac OS or Ubuntu, you need to install the following software.
 
 https://github.com/HEP-FCC/podio
 
+### Directed Acyclic Graph
+
+https://github.com/HEP-FCC/dag
+
 
 Setting up
 --
 
 Before compiling or using:
 
-1. If on Mac OS, Ubuntu or using a custom PODIO installation, set up the PODIO environment.
+1. If on Mac OS, Ubuntu or using a custom installations:
+   -  set up the PODIO environment (sourcing the PODIO `init.sh`)
+   - set up the dag environment (set the FCCDAG environment variable to the install directory)
 
 2. Set up the FCC-EDM environment:
 ```