+
+if("cxx_std_14" IN_LIST known_features)
+
+ if(EXISTS ${CMAKE_HOME_DIRECTORY}/pybind11) # Try to use a local copy of pybind11, if any
+ message(STATUS "Use the internal copy of pybind11 (using C++14).")
+ add_subdirectory(${CMAKE_HOME_DIRECTORY}/pybind11)
+ set(pybind11_FOUND ON)
+
+ set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_HOME_DIRECTORY}/pybind11/tools/)
+ set(Python_ADDITIONAL_VERSIONS 3.7 3.6 3.5 3.4)
+ find_package(PythonLibsNew ${PYBIND11_PYTHON_VERSION} REQUIRED)
+
+ else()
+ find_package(pybind11 2.2.0)
+ endif()
+