lammps/cmake/Modules/Documentation.cmake

43 lines
1.4 KiB
CMake

###############################################################################
# Build documentation
###############################################################################
option(BUILD_DOC "Build LAMMPS documentation" OFF)
if(BUILD_DOC)
include(ProcessorCount)
ProcessorCount(NPROCS)
find_package(PythonInterp 3 REQUIRED)
set(VIRTUALENV ${PYTHON_EXECUTABLE} -m virtualenv)
file(GLOB DOC_SOURCES ${LAMMPS_DOC_DIR}/src/[^.]*.rst)
add_custom_command(
OUTPUT docenv
COMMAND ${VIRTUALENV} docenv
)
set(DOCENV_BINARY_DIR ${CMAKE_BINARY_DIR}/docenv/bin)
add_custom_command(
OUTPUT requirements.txt
DEPENDS docenv
COMMAND ${CMAKE_COMMAND} -E copy ${LAMMPS_DOC_DIR}/utils/requirements.txt requirements.txt
COMMAND ${DOCENV_BINARY_DIR}/pip install -r requirements.txt --upgrade
COMMAND ${DOCENV_BINARY_DIR}/pip install --upgrade ${LAMMPS_DOC_DIR}/utils/converters
)
add_custom_command(
OUTPUT html
DEPENDS ${DOC_SOURCES} docenv requirements.txt
COMMAND ${DOCENV_BINARY_DIR}/sphinx-build -j ${NPROCS} -b html -c ${LAMMPS_DOC_DIR}/utils/sphinx-config -d ${CMAKE_BINARY_DIR}/doctrees ${LAMMPS_DOC_DIR}/src html
)
add_custom_target(
doc ALL
DEPENDS html
SOURCES ${LAMMPS_DOC_DIR}/utils/requirements.txt ${DOC_SOURCES}
)
install(DIRECTORY ${CMAKE_BINARY_DIR}/html DESTINATION ${CMAKE_INSTALL_DOCDIR})
endif()