add a fix for protoc path

Author: tmckayus

cpp/CMakeLists.txt

@@ -358,10 +358,9 @@ set(PROTO_HDRS "${CMAKE_CURRENT_BINARY_DIR}/cuopt_remote.pb.h")
 
 # Find protoc compiler (provided by config package or target)
 if(TARGET protobuf::protoc)
-  get_target_property(_PROTOBUF_PROTOC protobuf::protoc IMPORTED_LOCATION_RELEASE)
-  if(NOT _PROTOBUF_PROTOC)
-    get_target_property(_PROTOBUF_PROTOC protobuf::protoc IMPORTED_LOCATION)
-  endif()
+  set(_PROTOBUF_PROTOC "$<TARGET_FILE:protobuf::protoc>")
+elseif(TARGET Protobuf::protoc)
+  set(_PROTOBUF_PROTOC "$<TARGET_FILE:Protobuf::protoc>")
 else()
   set(_PROTOBUF_PROTOC ${Protobuf_PROTOC_EXECUTABLE})
 endif()