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86 lines
2.9 KiB
CMake
86 lines
2.9 KiB
CMake
find_program(SPHINX_EXECUTABLE NAMES sphinx-build
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HINTS
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$ENV{SPHINX_DIR}
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PATH_SUFFIXES bin
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DOC "Sphinx documentation generator")
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include(FeatureSummary)
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set(SPHINX_SRC_DIR "${CMAKE_CURRENT_SOURCE_DIR}/doc_src")
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set(SPHINX_ROOT_DIR "${CMAKE_CURRENT_BINARY_DIR}/user_doc")
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set(SPHINX_BUILD_DIR "${SPHINX_ROOT_DIR}/build")
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set(SPHINX_CACHE_DIR "${SPHINX_ROOT_DIR}/doctrees")
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set(SPHINX_HTML_DIR "${SPHINX_ROOT_DIR}/html")
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set(SPHINX_MANPAGE_DIR "${SPHINX_ROOT_DIR}/man")
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# sphinx-docs uses fish_indent for highlighting.
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# Prepend the output dir of fish_indent to PATH.
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add_custom_target(sphinx-docs
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mkdir -p ${SPHINX_HTML_DIR}/_static/
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COMMAND env PATH="$<TARGET_FILE_DIR:fish_indent>:$$PATH"
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${SPHINX_EXECUTABLE}
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-q -b html
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-c "${SPHINX_SRC_DIR}"
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-d "${SPHINX_CACHE_DIR}"
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"${SPHINX_SRC_DIR}"
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"${SPHINX_HTML_DIR}"
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DEPENDS ${SPHINX_SRC_DIR}/fish_indent_lexer.py fish_indent
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COMMENT "Building HTML documentation with Sphinx")
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# sphinx-manpages needs the fish_indent binary for the version number
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add_custom_target(sphinx-manpages
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env PATH="$<TARGET_FILE_DIR:fish_indent>:$$PATH"
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${SPHINX_EXECUTABLE}
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-q -b man
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-c "${SPHINX_SRC_DIR}"
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-d "${SPHINX_CACHE_DIR}"
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"${SPHINX_SRC_DIR}"
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# TODO: This only works if we only have section 1 manpages.
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"${SPHINX_MANPAGE_DIR}/man1"
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DEPENDS fish_indent
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COMMENT "Building man pages with Sphinx")
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if(SPHINX_EXECUTABLE)
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option(BUILD_DOCS "build documentation (requires Sphinx)" ON)
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else(SPHINX_EXECUTABLE)
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option(BUILD_DOCS "build documentation (requires Sphinx)" OFF)
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endif(SPHINX_EXECUTABLE)
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if(BUILD_DOCS AND NOT SPHINX_EXECUTABLE)
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message(FATAL_ERROR "build documentation selected, but sphinx-build could not be found")
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endif()
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if(IS_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/user_doc/html
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AND IS_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/user_doc/man)
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set(HAVE_PREBUILT_DOCS TRUE)
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else()
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set(HAVE_PREBUILT_DOCS FALSE)
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endif()
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if(BUILD_DOCS OR HAVE_PREBUILT_DOCS)
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set(INSTALL_DOCS ON)
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else()
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set(INSTALL_DOCS OFF)
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endif()
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add_feature_info(Documentation INSTALL_DOCS "user manual and documentation")
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if(BUILD_DOCS)
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configure_file("${SPHINX_SRC_DIR}/conf.py" "${SPHINX_BUILD_DIR}/conf.py" @ONLY)
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add_custom_target(doc ALL
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DEPENDS sphinx-docs sphinx-manpages)
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# Group docs targets into a DocsTargets folder
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set_property(TARGET doc sphinx-docs sphinx-manpages
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PROPERTY FOLDER cmake/DocTargets)
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elseif(HAVE_PREBUILT_DOCS)
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if(NOT CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_CURRENT_BINARY_DIR)
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# Out of tree build - link the prebuilt documentation to the build tree
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add_custom_target(link_doc ALL)
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add_custom_command(TARGET link_doc
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COMMAND ${CMAKE_COMMAND} -E create_symlink ${CMAKE_CURRENT_SOURCE_DIR}/user_doc ${CMAKE_CURRENT_BINARY_DIR}/user_doc
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POST_BUILD)
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endif()
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endif(BUILD_DOCS)
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