From c7342b777fea90f2273e8c2e7da0274d32f9ec58 Mon Sep 17 00:00:00 2001
From: Andrew Thompson <andrew@hijacked.us>
Date: Wed, 29 Jan 2014 13:17:06 -0500
Subject: [PATCH] Add xref target

---
 rebar.config | 2 ++
 tools.mk     | 3 +++
 2 files changed, 5 insertions(+)

diff --git a/rebar.config b/rebar.config
index 7ffe1263..67bdb08b 100644
--- a/rebar.config
+++ b/rebar.config
@@ -20,3 +20,5 @@
            ]}.
 
 {eunit_opts, [verbose]}.
+
+{xref_checks, [undefined_function_calls]}.
diff --git a/tools.mk b/tools.mk
index 82a0669b..8e0e1b9a 100644
--- a/tools.mk
+++ b/tools.mk
@@ -4,6 +4,9 @@ test: compile
 docs:
 	./rebar doc skip_deps=true
 
+xref: compile
+	./rebar xref skip_deps=true
+
 PLT ?= $(HOME)/.riak_combo_dialyzer_plt
 LOCAL_PLT = .local_dialyzer_plt
 DIALYZER_FLAGS ?= -Wunmatched_returns