From 7ab7390b9ce2dfd2213c181e31bad4402975fe19 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Pawe=C5=82=20Dorofiejczyk?= <pawel.dorofiejczyk@rst.com.pl>
Date: Thu, 25 Apr 2019 13:31:08 +0200
Subject: [PATCH] Fix #2540 Ejabberd doesnt compile as mix umbrella project
 dependency

---
 mix.exs | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/mix.exs b/mix.exs
index f08a0c723..1cf7e3048 100644
--- a/mix.exs
+++ b/mix.exs
@@ -96,9 +96,13 @@ defmodule Ejabberd.Mixfile do
   end
 
   defp deps_include(deps) do
-    base = case Mix.Project.deps_paths()[:ejabberd] do
-      nil -> "deps"
-      _ -> ".."
+    base = if Mix.Project.umbrella?() do
+      "../../deps"
+    else
+      case Mix.Project.deps_paths()[:ejabberd] do
+        nil -> "deps"
+        _ -> ".."
+      end
     end
     Enum.map(deps, fn dep -> base<>"/#{dep}/include" end)
   end