llvm-project/clang/docs/CMakeLists.txt
Aaron Ballman e1ebe476e4 Fix Clang Sphinx docs build
The CodeOwners.rst file needs to live in the same directory as the rest
of the documentation. This copies the file to the correct place when
making a Sphinx build but continues to leave the .rst file at the root
directory where it's easier for developers to find. This also ensures
that local doc builds using `make html` work as expected.
2022-09-06 09:52:22 -04:00

140 lines
5.4 KiB
CMake

if (DOXYGEN_FOUND)
if (LLVM_ENABLE_DOXYGEN)
set(abs_srcdir ${CMAKE_CURRENT_SOURCE_DIR})
set(abs_builddir ${CMAKE_CURRENT_BINARY_DIR})
if (HAVE_DOT)
set(DOT ${LLVM_PATH_DOT})
endif()
if (LLVM_DOXYGEN_EXTERNAL_SEARCH)
set(enable_searchengine "YES")
set(searchengine_url "${LLVM_DOXYGEN_SEARCHENGINE_URL}")
set(enable_server_based_search "YES")
set(enable_external_search "YES")
set(extra_search_mappings "${LLVM_DOXYGEN_SEARCH_MAPPINGS}")
else()
set(enable_searchengine "NO")
set(searchengine_url "")
set(enable_server_based_search "NO")
set(enable_external_search "NO")
set(extra_search_mappings "")
endif()
# If asked, configure doxygen for the creation of a Qt Compressed Help file.
if (LLVM_ENABLE_DOXYGEN_QT_HELP)
set(CLANG_DOXYGEN_QCH_FILENAME "org.llvm.clang.qch" CACHE STRING
"Filename of the Qt Compressed help file")
set(CLANG_DOXYGEN_QHP_NAMESPACE "org.llvm.clang" CACHE STRING
"Namespace under which the intermediate Qt Help Project file lives")
set(CLANG_DOXYGEN_QHP_CUST_FILTER_NAME "Clang ${CLANG_VERSION}" CACHE STRING
"See http://qt-project.org/doc/qt-4.8/qthelpproject.html#custom-filters")
set(CLANG_DOXYGEN_QHP_CUST_FILTER_ATTRS "Clang,${CLANG_VERSION}" CACHE STRING
"See http://qt-project.org/doc/qt-4.8/qthelpproject.html#filter-attributes")
set(clang_doxygen_generate_qhp "YES")
set(clang_doxygen_qch_filename "${CLANG_DOXYGEN_QCH_FILENAME}")
set(clang_doxygen_qhp_namespace "${CLANG_DOXYGEN_QHP_NAMESPACE}")
set(clang_doxygen_qhelpgenerator_path "${LLVM_DOXYGEN_QHELPGENERATOR_PATH}")
set(clang_doxygen_qhp_cust_filter_name "${CLANG_DOXYGEN_QHP_CUST_FILTER_NAME}")
set(clang_doxygen_qhp_cust_filter_attrs "${CLANG_DOXYGEN_QHP_CUST_FILTER_ATTRS}")
else()
set(clang_doxygen_generate_qhp "NO")
set(clang_doxygen_qch_filename "")
set(clang_doxygen_qhp_namespace "")
set(clang_doxygen_qhelpgenerator_path "")
set(clang_doxygen_qhp_cust_filter_name "")
set(clang_doxygen_qhp_cust_filter_attrs "")
endif()
option(LLVM_DOXYGEN_SVG
"Use svg instead of png files for doxygen graphs." OFF)
if (LLVM_DOXYGEN_SVG)
set(DOT_IMAGE_FORMAT "svg")
else()
set(DOT_IMAGE_FORMAT "png")
endif()
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/doxygen.cfg.in
${CMAKE_CURRENT_BINARY_DIR}/doxygen.cfg @ONLY)
set(abs_top_srcdir)
set(abs_top_builddir)
set(DOT)
set(enable_searchengine)
set(searchengine_url)
set(enable_server_based_search)
set(enable_external_search)
set(extra_search_mappings)
set(clang_doxygen_generate_qhp)
set(clang_doxygen_qch_filename)
set(clang_doxygen_qhp_namespace)
set(clang_doxygen_qhelpgenerator_path)
set(clang_doxygen_qhp_cust_filter_name)
set(clang_doxygen_qhp_cust_filter_attrs)
set(DOT_IMAGE_FORMAT)
add_custom_target(doxygen-clang
COMMAND ${DOXYGEN_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/doxygen.cfg
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
COMMENT "Generating clang doxygen documentation." VERBATIM)
if (LLVM_BUILD_DOCS)
add_dependencies(doxygen doxygen-clang)
endif()
if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/doxygen/html
DESTINATION docs/html)
endif()
endif()
endif()
function (gen_rst_file_from_td output_file td_option source docs_target)
if (NOT EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/${source}")
message(FATAL_ERROR "Cannot find source file: ${source} in ${CMAKE_CURRENT_SOURCE_DIR}")
endif()
get_filename_component(TABLEGEN_INCLUDE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/${source}" DIRECTORY)
list(APPEND LLVM_TABLEGEN_FLAGS "-I${TABLEGEN_INCLUDE_DIR}")
clang_tablegen(${output_file} ${td_option} SOURCE ${source} TARGET "gen-${output_file}")
add_dependencies(${docs_target} "gen-${output_file}")
endfunction()
if (LLVM_ENABLE_SPHINX)
include(AddSphinxTarget)
if (SPHINX_FOUND)
if (${SPHINX_OUTPUT_HTML})
add_sphinx_target(html clang SOURCE_DIR "${CMAKE_CURRENT_BINARY_DIR}")
# Copy rst files to build directory before generating the html
# documentation. Some of the rst files are generated, so they
# only exist in the build directory. Sphinx needs all files in
# the same directory in order to generate the html, so we need to
# copy all the non-gnerated rst files from the source to the build
# directory before we run sphinx.
add_custom_target(copy-clang-rst-docs
COMMAND "${CMAKE_COMMAND}" -E copy_directory
"${CMAKE_CURRENT_SOURCE_DIR}" "${CMAKE_CURRENT_BINARY_DIR}"
COMMAND "${CMAKE_COMMAND}" -E copy_if_different
"${CMAKE_CURRENT_SOURCE_DIR}/../CodeOwners.rst"
"${CMAKE_CURRENT_BINARY_DIR}"
)
add_dependencies(docs-clang-html copy-clang-rst-docs)
add_custom_command(TARGET docs-clang-html POST_BUILD
COMMAND "${CMAKE_COMMAND}" -E copy
"${CMAKE_CURRENT_SOURCE_DIR}/LibASTMatchersReference.html"
"${CMAKE_CURRENT_BINARY_DIR}/html/LibASTMatchersReference.html")
# Generated files
gen_rst_file_from_td(AttributeReference.rst -gen-attr-docs ../include/clang/Basic/Attr.td docs-clang-html)
gen_rst_file_from_td(DiagnosticsReference.rst -gen-diag-docs ../include/clang/Basic/Diagnostic.td docs-clang-html)
gen_rst_file_from_td(ClangCommandLineReference.rst -gen-opt-docs ../include/clang/Driver/ClangOptionDocs.td docs-clang-html)
endif()
if (${SPHINX_OUTPUT_MAN})
add_sphinx_target(man clang)
endif()
endif()
endif()