From e28240ea1f2d296f99474bb6a709a6d4d7bb1cfa Mon Sep 17 00:00:00 2001
From: Rolf Eike Beer <eb@emlix.com>
Date: Mon, 24 Jun 2019 13:30:18 +0200
Subject: FindProtobuf: C++11 support is required since version 3.6.0

---
 Modules/FindProtobuf.cmake | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Modules/FindProtobuf.cmake b/Modules/FindProtobuf.cmake
index 76bc873..085e96c 100644
--- a/Modules/FindProtobuf.cmake
+++ b/Modules/FindProtobuf.cmake
@@ -521,6 +521,11 @@ if(Protobuf_INCLUDE_DIR)
             set_target_properties(protobuf::libprotobuf PROPERTIES
               IMPORTED_LOCATION_DEBUG "${Protobuf_LIBRARY_DEBUG}")
           endif()
+          if (Protobuf_VERSION VERSION_GREATER_EQUAL "3.6")
+            set_property(TARGET protobuf::libprotobuf APPEND PROPERTY
+              INTERFACE_COMPILE_FEATURES cxx_std_11
+            )
+          endif()
           if(UNIX AND TARGET Threads::Threads)
             set_property(TARGET protobuf::libprotobuf APPEND PROPERTY
                 INTERFACE_LINK_LIBRARIES Threads::Threads)
-- 
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