configured documentation tools and intermediate build results

set(BINARY_BUILD_DIR_EN “${CMAKE_CURRENT_BINARY_DIR}/en/_build”)

Sphinx cache with pickled ReST documents

set(SPHINX_CACHE_DIR_EN “${CMAKE_CURRENT_BINARY_DIR}/en/_doctrees”)

HTML output director

set(SPHINX_HTML_DIR_EN “${CMAKE_CURRENT_BINARY_DIR}/en/html”)

set(IMPORT_PADDLE_STRING “import paddle”)

configure_file( “${CMAKE_CURRENT_SOURCE_DIR}/../../templates/conf.py.en.in” “${BINARY_BUILD_DIR_EN}/conf.py” @ONLY)

sphinx_add_target(paddle_fluid_apis html ${BINARY_BUILD_DIR_EN} ${SPHINX_CACHE_DIR_EN} ${CMAKE_CURRENT_SOURCE_DIR} ${SPHINX_HTML_DIR_EN})

add_dependencies(paddle_fluid_apis gen_proto_py framework_py_proto copy_paddle_pybind paddle_python)