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find_package(Sphinx REQUIRED)
if(SPHINX_FOUND)
if(NOT DEFINED SPHINX_THEME)
set(SPHINX_THEME default)
endif()
if(NOT DEFINED SPHINX_THEME_DIR)
set(SPHINX_THEME_DIR)
endif()
# configured documentation tools and intermediate build results
set(BINARY_BUILD_DIR "${CMAKE_CURRENT_BINARY_DIR}/_build")
# Sphinx cache with pickled ReST documents
set(SPHINX_CACHE_DIR "${CMAKE_CURRENT_BINARY_DIR}/_doctrees")
# HTML output directory
set(SPHINX_HTML_DIR "${CMAKE_CURRENT_BINARY_DIR}/../build-root/html")
configure_file(
"${CMAKE_CURRENT_SOURCE_DIR}/conf.py.in"
"${BINARY_BUILD_DIR}/conf.py"
@ONLY)
add_custom_target(docs
${SPHINX_EXECUTABLE}
-q -b html
-c "${BINARY_BUILD_DIR}"
-d "${SPHINX_CACHE_DIR}"
"${CMAKE_CURRENT_SOURCE_DIR}"
"${SPHINX_HTML_DIR}"
COMMENT "Building HTML documentation with Sphinx")
endif()
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