From 7a53eca69d07bc63ce83fe65ad8f2229a3389c45 Mon Sep 17 00:00:00 2001
From: wangguibao <wangguibao@baidu.com>
Date: Mon, 1 Jul 2019 14:32:19 +0800
Subject: [PATCH] Fix protobuf.cmake for CMake 3.9 and above

---
 cmake/external/protobuf.cmake | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/cmake/external/protobuf.cmake b/cmake/external/protobuf.cmake
index e05b7694..568297b0 100644
--- a/cmake/external/protobuf.cmake
+++ b/cmake/external/protobuf.cmake
@@ -122,6 +122,9 @@ macro(PROMPT_PROTOBUF_LIB)
     # make `protobuf_generate_cpp` happy.
     SET(Protobuf_PROTOC_EXECUTABLE ${PROTOBUF_PROTOC_EXECUTABLE})
 
+    # For CMake 3.9 and above
+    add_executable(protobuf::protoc ALIAS protoc)
+
     FOREACH(dep ${protobuf_DEPS})
         ADD_DEPENDENCIES(protobuf ${dep})
         ADD_DEPENDENCIES(protobuf_lite ${dep})
-- 
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