Why we ever linking with flatbuffers compiler library???

On windows mingw platform all executables as a result will be flatc command line utils (((
Because flatbuffers target contains "main" function...

Fix it by not set FLATBUFFERS_LIBRARIES at all (because it header-only library!)

CMakeLists.txt

@@ -265,7 +265,7 @@ cocos_find_package(CURL CURL REQUIRED)
 ## if(USE_PREBUILT_LIBS)
   add_subdirectory(external/flatbuffers)
   set(FLATBUFFERS_INCLUDE_DIRS ${CMAKE_CURRENT_SOURCE_DIR}/external)
-  set(FLATBUFFERS_LIBRARIES flatbuffers)
+  #  set(FLATBUFFERS_LIBRARIES flatbuffers)
 ## else()
 ##  cocos_find_package(Flatbuffers REQUIRED FLATBUFFERS_LIBRARIES)
 ##  set(FLATBUFFERS_INCLUDE_DIRS ${FLATBUFFERS_INCLUDE_DIRS})