# From:
# https://devblogs.microsoft.com/cppblog/clear-functional-c-documentation-with-sphinx-breathe-doxygen-cmake/

find_package(Sphinx)

if (Sphinx_FOUND)
    set(SPHINX_SOURCE ${CMAKE_CURRENT_SOURCE_DIR})
    set(SPHINX_BUILD ${CMAKE_CURRENT_BINARY_DIR}/docs/sphinx)

    add_custom_target(Sphinx ALL
                      COMMAND
                      ${SPHINX_EXECUTABLE} -b html
                      ${SPHINX_SOURCE} ${SPHINX_BUILD}
                      WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
                      COMMENT "Generating documentation with Sphinx")

    install(DIRECTORY ${SPHINX_BUILD}/ DESTINATION doc)
endif()