mirror of
https://github.com/fish-shell/fish-shell
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ecaf455277
sphinx-build supports the -j option to use multiple processes. Start using it. This reduces the time to build the docs on my Linux box from 11 seconds to about 4. Note this doesn't work on macOS since -j is ignored there (see sphinx-build PR 6879).
87 lines
3 KiB
CMake
87 lines
3 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>:$$PATH"
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${SPHINX_EXECUTABLE}
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-j auto
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-q -b html
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-c "${SPHINX_SRC_DIR}"
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-d "${SPHINX_CACHE_DIR}"
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"${SPHINX_SRC_DIR}"
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"${SPHINX_HTML_DIR}"
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DEPENDS ${SPHINX_SRC_DIR}/fish_indent_lexer.py fish_indent
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COMMENT "Building HTML documentation with Sphinx")
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# sphinx-manpages needs the fish_indent binary for the version number
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add_custom_target(sphinx-manpages
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env PATH="$<TARGET_FILE_DIR:fish_indent>:$$PATH"
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${SPHINX_EXECUTABLE}
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-j auto
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-q -b man
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-c "${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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