From 3ff4b4c1f7e25c192ce0ebd1d27c611f7c081e04 Mon Sep 17 00:00:00 2001
From: WenTao Ou <admin@owent.net>
Date: Sat, 14 Oct 2023 19:35:10 +0800
Subject: [PATCH] Fix protoc searching with non-imported protobuf::protoc
 target. (#2362)

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

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 10c1a0ab6f..f57ce47779 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -430,6 +430,11 @@ if(WITH_OTLP_GRPC OR WITH_OTLP_HTTP)
   if(TARGET protobuf::protoc)
     project_build_tools_get_imported_location(PROTOBUF_PROTOC_EXECUTABLE
                                               protobuf::protoc)
+    # If protobuf::protoc is not a imported target, then we use the target
+    # directly for fallback
+    if(NOT PROTOBUF_PROTOC_EXECUTABLE)
+      set(PROTOBUF_PROTOC_EXECUTABLE protobuf::protoc)
+    endif()
   elseif(Protobuf_PROTOC_EXECUTABLE)
     # Some versions of FindProtobuf.cmake uses mixed case instead of uppercase
     set(PROTOBUF_PROTOC_EXECUTABLE ${Protobuf_PROTOC_EXECUTABLE})