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9ebde1f21d
Do not enforce recommonmark dependency if sphinx is called to build manpages. In order to do this, try to import recommonmark first and do not configure it if it's not available. Additionally, declare a custom tags for the selected builder via CMake, and ignore recommonmark import failure when 'man' target is used. This will permit us to avoid the problematic recommonmark dependency for the majority of Gentoo users that do not need to locally build the complete documentation but want to have tool manpages. Differential Revision: https://reviews.llvm.org/D83161
108 lines
4.1 KiB
CMake
108 lines
4.1 KiB
CMake
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# Create sphinx target
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if (LLVM_ENABLE_SPHINX)
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message(STATUS "Sphinx enabled.")
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find_package(Sphinx REQUIRED)
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if (LLVM_BUILD_DOCS AND NOT TARGET sphinx)
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add_custom_target(sphinx ALL)
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endif()
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else()
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message(STATUS "Sphinx disabled.")
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endif()
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# Handy function for creating the different Sphinx targets.
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#
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# ``builder`` should be one of the supported builders used by
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# the sphinx-build command.
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#
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# ``project`` should be the project name
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function (add_sphinx_target builder project)
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cmake_parse_arguments(ARG "" "SOURCE_DIR" "" ${ARGN})
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set(SPHINX_BUILD_DIR "${CMAKE_CURRENT_BINARY_DIR}/${builder}")
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set(SPHINX_DOC_TREE_DIR "${CMAKE_CURRENT_BINARY_DIR}/_doctrees-${project}-${builder}")
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set(SPHINX_TARGET_NAME docs-${project}-${builder})
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if (SPHINX_WARNINGS_AS_ERRORS)
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set(SPHINX_WARNINGS_AS_ERRORS_FLAG "-W")
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else()
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set(SPHINX_WARNINGS_AS_ERRORS_FLAG "")
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endif()
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if (NOT ARG_SOURCE_DIR)
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set(ARG_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}")
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endif()
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add_custom_target(${SPHINX_TARGET_NAME}
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COMMAND ${SPHINX_EXECUTABLE}
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-b ${builder}
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-d "${SPHINX_DOC_TREE_DIR}"
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-q # Quiet: no output other than errors and warnings.
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-t builder-${builder} # tag for builder
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${SPHINX_WARNINGS_AS_ERRORS_FLAG} # Treat warnings as errors if requested
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"${ARG_SOURCE_DIR}" # Source
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"${SPHINX_BUILD_DIR}" # Output
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COMMENT
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"Generating ${builder} Sphinx documentation for ${project} into \"${SPHINX_BUILD_DIR}\"")
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# When "clean" target is run, remove the Sphinx build directory
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set_property(DIRECTORY APPEND PROPERTY
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ADDITIONAL_MAKE_CLEAN_FILES
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"${SPHINX_BUILD_DIR}")
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# We need to remove ${SPHINX_DOC_TREE_DIR} when make clean is run
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# but we should only add this path once
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get_property(_CURRENT_MAKE_CLEAN_FILES
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DIRECTORY PROPERTY ADDITIONAL_MAKE_CLEAN_FILES)
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list(FIND _CURRENT_MAKE_CLEAN_FILES "${SPHINX_DOC_TREE_DIR}" _INDEX)
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if (_INDEX EQUAL -1)
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set_property(DIRECTORY APPEND PROPERTY
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ADDITIONAL_MAKE_CLEAN_FILES
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"${SPHINX_DOC_TREE_DIR}")
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endif()
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if (LLVM_BUILD_DOCS)
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add_dependencies(sphinx ${SPHINX_TARGET_NAME})
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# Handle installation
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if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
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if (builder STREQUAL man)
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if (CMAKE_INSTALL_MANDIR)
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set(INSTALL_MANDIR ${CMAKE_INSTALL_MANDIR}/)
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else()
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set(INSTALL_MANDIR share/man/)
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endif()
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# FIXME: We might not ship all the tools that these man pages describe
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install(DIRECTORY "${SPHINX_BUILD_DIR}/" # Slash indicates contents of
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COMPONENT "${project}-sphinx-man"
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DESTINATION ${INSTALL_MANDIR}man1)
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if(NOT LLVM_ENABLE_IDE)
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add_llvm_install_targets("install-${SPHINX_TARGET_NAME}"
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DEPENDS ${SPHINX_TARGET_NAME}
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COMPONENT "${project}-sphinx-man")
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endif()
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elseif (builder STREQUAL html)
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string(TOUPPER "${project}" project_upper)
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set(${project_upper}_INSTALL_SPHINX_HTML_DIR "share/doc/${project}/html"
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CACHE STRING "HTML documentation install directory for ${project}")
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# '/.' indicates: copy the contents of the directory directly into
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# the specified destination, without recreating the last component
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# of ${SPHINX_BUILD_DIR} implicitly.
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install(DIRECTORY "${SPHINX_BUILD_DIR}/."
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COMPONENT "${project}-sphinx-html"
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DESTINATION "${${project_upper}_INSTALL_SPHINX_HTML_DIR}")
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if(NOT LLVM_ENABLE_IDE)
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add_llvm_install_targets("install-${SPHINX_TARGET_NAME}"
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DEPENDS ${SPHINX_TARGET_NAME}
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COMPONENT "${project}-sphinx-html")
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endif()
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else()
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message(WARNING Installation of ${builder} not supported)
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endif()
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endif()
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endif()
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endfunction()
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