fish-shell/cmake/Docs.cmake
David Adam cb46396b67 cmake: build executables by driving cargo directly
Drops the requirement for Corrosion, as almost none of its extensive features
are required.
2024-01-30 18:18:55 +08:00

86 lines
2.9 KiB
CMake

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