From 3085a5433a56fe47af02370cdc4f4b80132f7a5a Mon Sep 17 00:00:00 2001
From: Juraj Smiesko <34742917+kjvbrt@users.noreply.github.com>
Date: Fri, 23 Feb 2024 11:34:58 +0100
Subject: [PATCH] Update README.md (#66)

* Update README.md

* Adding intro line
---
 README.md | 23 +++++++++++++++++++----
 1 file changed, 19 insertions(+), 4 deletions(-)

diff --git a/README.md b/README.md
index 3a196e6c..db8a5506 100644
--- a/README.md
+++ b/README.md
@@ -1,16 +1,31 @@
 # k4RecCalorimeter - Key4hep Framework Components for Calorimeter Reconstruction
 
-
-## Dependencies
-
-All dependencies can be set up from the Key4hep nightly builds (on lxplus / Centos7 machines with CVMFS)
+The components are available from the Key4hep stack on machines with CVMFS.
 
 ```
 source /cvmfs/sw-nightlies.hsf.org/key4hep/setup.sh
 ```
 
+## Dependencies
+
+* Gaudi
+* ROOT
 * EDM4HEP
 * k4FWCore
 * DD4hep
 * k4geo
 
+
+## Building
+
+After fetching the repository, do
+```
+source /cvmfs/sw.hsf.org/key4hep/setup.sh
+mkdir build install
+cd build
+cmake -DCMAKE_INSTALL_PREFIX=install ..
+make -j4
+make install
+cd ..
+k4_local_repo  # will update all necessary environment variables
+```