--- CMakeLists.txt.orig	2022-01-08 04:45:42 UTC
+++ CMakeLists.txt
@@ -2,6 +2,7 @@ cmake_minimum_required(VERSION 3.20)
 
 project(cpp_pyqubo)
 
+if (FALSE)
 include(external/boost_assert.cmake)
 include(external/boost_config.cmake)
 include(external/boost_container.cmake)
@@ -17,6 +18,9 @@ include(external/cimod.cmake)
 include(external/eigen.cmake)
 include(external/pybind11.cmake)
 include(external/robin_hood.cmake)
+endif()
+
+find_package(pybind11)
 
 pybind11_add_module(cpp_pyqubo src/main.cpp)