From 88bca6ed4579cb3954c0f4728ec4eb0b6f360ddf Mon Sep 17 00:00:00 2001
From: Raphael Dumusc <raphael.dumusc@epfl.ch>
Date: Fri, 18 May 2018 14:11:54 +0200
Subject: [PATCH] Explicitly check for supported OSPRay versions (1.3 -> 1.5)

---
 CMakeLists.txt | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index aff921a18..0589f6ddf 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -96,11 +96,15 @@ common_find_package(BBPTestData)
 common_find_package(Lunchbox)
 
 # OSPRay rendering engine
-common_find_package(ospray SYSTEM)
-if(OSPRAY_FOUND)
+common_find_package(ospray 1.3 SYSTEM)
+set(_ospray_unsupported_version 1.6)
+if(OSPRAY_FOUND AND OSPRAY_VERSION VERSION_LESS _ospray_unsupported_version)
   option(BRAYNS_OSPRAY_ENABLED "Activate OSPRay rendering engine" ON)
 else()
   unset(BRAYNS_OSPRAY_ENABLED)
+  if(OSPRAY_FOUND)
+    message(WARNING "OSPRay version >= ${_ospray_unsupported_version} not supported")
+  endif()
 endif()
 
 # Image processing