From e59084c540368e68d60befab934f50fe9cbf9af7 Mon Sep 17 00:00:00 2001
From: Markus Blatt <markus@dr-blatt.de>
Date: Fri, 15 Sep 2017 11:35:22 +0200
Subject: [PATCH] Added deprecation warning if OPM_COMMON_ROOT is used

---
 CMakeLists.txt | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0aad82e3f..b63253980 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -53,6 +53,11 @@ endif()
 if (opm-common_FOUND)
    include(OpmInit)
 else()
+   if(OPM_COMMON_ROOT)
+     message(WARNING "Setting OPM_COMMON_ROOT is deprecated. Please either "
+       "set opm-common_DIR instead or rely on sibling build")
+   endif()
+
    unset(opm-common_FOUND)
 
    if (NOT OPM_COMMON_ROOT AND SIBLING_SEARCH)