docs/doxygen/CMakeLists.txt

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  34
  35 include(gmxCustomCommandUtilities)
  36 include(gmxOptionUtilities)
  37
  38 find_package(Doxygen QUIET)
  39 if (DOXYGEN_FOUND)
  40     # This logic closely follows that found in FindDoxygen.cmake for dot,
  41     # except that the PATH variable is not cached.
  42     find_program(DOXYGEN_MSCGEN_EXECUTABLE
  43         NAMES mscgen
  44         DOC "Message sequence chart renderer tool (http://www.mcternan.me.uk/mscgen/)")
  45     if (DOXYGEN_MSCGEN_EXECUTABLE)
  46         set(DOXYGEN_MSCGEN_FOUND TRUE)
  47         get_filename_component(DOXYGEN_MSCGEN_PATH "${DOXYGEN_MSCGEN_EXECUTABLE}" PATH)
  48     endif()
  49     mark_as_advanced(DOXYGEN_MSCGEN_EXECUTABLE)
  50 endif()
  51
  52 gmx_dependent_option(
  53     GMX_COMPACT_DOXYGEN
  54     "Skip parts of Doxygen documentation (in particular, many graphs) to save disk space and time"
  55     OFF
  56     DOXYGEN_FOUND)
  57 mark_as_advanced(GMX_COMPACT_DOXYGEN)
  58
  59 set(USE_PYTHON_SCRIPTS OFF)
  60 if (PYTHONINTERP_FOUND AND NOT PYTHON_VERSION_STRING VERSION_LESS "2.6")
  61     set(USE_PYTHON_SCRIPTS ON)
  62 endif()
  63
  64 # Note that if you relocate this file, you also need to change gmxtree.py.
  65 # TODO: Try to find a solution where this would be hard-coded here, completely
  66 # separate from the logic that generates it.
  67 set(INSTALLED_HEADERS_FILE ${PROJECT_BINARY_DIR}/src/gromacs/installed-headers.txt)
  68
  69 ########################################################################
  70 # Doxygen configuration
  71 #
  72 if (DOXYGEN_FOUND)
  73     # Generate Doxygen input configuration files
  74     file(GLOB NB_KERNEL_DIRS
  75          ${CMAKE_SOURCE_DIR}/src/gromacs/gmxlib/nonbonded/nb_kernel_*/)
  76     list(REMOVE_ITEM NB_KERNEL_DIRS
  77          ${CMAKE_SOURCE_DIR}/src/gromacs/gmxlib/nonbonded/nb_kernel_c)
  78     foreach (dir ${NB_KERNEL_DIRS})
  79         SET(NB_KERNEL_DIRS_TO_IGNORE_IN_DOXYGEN
  80             "${NB_KERNEL_DIRS_TO_IGNORE_IN_DOXYGEN} \\\n                         ${dir}")
  81     endforeach()
  82     set(DEPGRAPH_DIR ${CMAKE_CURRENT_BINARY_DIR}/depgraphs)
  83     set(DOXYGEN_SECTIONS "")
  84     set(DOXYGEN_EXTRA_SETTINGS "")
  85     if (GMX_COMPACT_DOXYGEN)
  86         set(DOXYGEN_EXTRA_SETTINGS "@INCLUDE   = ${CMAKE_CURRENT_SOURCE_DIR}/Doxyfile-compact")
  87     endif()
  88     set(DOXYGENLIST "html-full;html-lib;html-user;xml")
  89     foreach(_target ${DOXYGENLIST})
  90         set(_targetdir ${HTML_OUTPUT_DIR}/doxygen/${_target})
  91         if (NOT EXISTS ${_targetdir})
  92             file(MAKE_DIRECTORY ${_targetdir})
  93         endif()
  94     endforeach()
  95     set(DOXYGENLIST "common;dev;full;lib;user;xml")
  96     foreach(_target ${DOXYGENLIST})
  97         configure_file(Doxyfile-${_target}.cmakein Doxyfile-${_target})
  98     endforeach()
  99
 100     configure_file(RunDoxygen.cmake.cmakein RunDoxygen.cmake @ONLY)
 101     gmx_configure_version_file(Doxyfile-version.cmakein Doxyfile-version
 102                                TARGET doxygen-version)
 103
 104     # Add a stamp that gets updated whenever a source file that contributes to
 105     # Doxygen is updated.  All Doxygen targets can then depend on this stamp,
 106     # instead of each specifying this massive set of dependencies.
 107     # TODO: The set of files that affects Doxygen is not exactly the same as
 108     # that which affects the dependency graphs, and neither is captured
 109     # perfectly with this set, but this can be improved if it becomes a real
 110     # issue (the differences are mainly in the generated group kernel files,
 111     # but there are some minor other differences as well).
 112     if (SOURCE_IS_GIT_REPOSITORY AND GIT_FOUND)
 113         gmx_get_files_with_gitattribute(doxygen_sources gmx-doxygen)
 114         # Add also common configuration files that influence the generation.
 115         set(doxygen_deps
 116             ${CMAKE_CURRENT_BINARY_DIR}/Doxyfile-common
 117             ${CMAKE_CURRENT_BINARY_DIR}/RunDoxygen.cmake)
 118         if (GMX_COMPACT_DOXYGEN)
 119             list(APPEND doxygen_deps ${CMAKE_CURRENT_SOURCE_DIR}/Doxyfile-compact)
 120         endif()
 121         gmx_add_custom_output_target(doxygen-source-timestamp
 122             OUTPUT STAMP
 123             DEPENDS_FILE_LIST doxygen_sources
 124             DEPENDS ${doxygen_deps}
 125             COMMENT "Updating Doxygen source timestamp")
 126     else()
 127         # If there is no git, we just update the stamp every time, and the
 128         # builds are triggered every time.  This should be rare enough, but
 129         # this case still needs to be supported for the Jenkins job that builds
 130         # the documentation for a release from the release tarball.
 131         gmx_add_custom_output_target(doxygen-source-timestamp
 132             RUN_ALWAYS OUTPUT STAMP
 133             COMMENT "Updating Doxygen source timestamp")
 134     endif()
 135
 136     # Helper function to create a Doxygen build target
 137     function (add_doxygen_target TARGET TYPE COMMENT)
 138         set(_deps doxygen-source-timestamp doxygen-version
 139             ${CMAKE_CURRENT_BINARY_DIR}/Doxyfile-${TYPE})
 140         set(_fast_arg "")
 141         list (FIND ARGN "DEPGRAPHS" _index)
 142         if (${_index} GREATER -1)
 143             set(_fast_arg "ADD_FAST_TARGET")
 144             if (TARGET dep-graphs-dot)
 145                 list(APPEND _deps dep-graphs-dot)
 146             endif()
 147         endif()
 148         list (FIND ARGN "DEPXML" _index)
 149         if (${_index} GREATER -1)
 150             list(APPEND _deps doxygen-xml)
 151         endif()
 152         gmx_add_custom_output_target(${TARGET} OUTPUT STAMP ${_fast_arg}
 153             # Ensure the directory exists to avoid spurious warnings
 154             COMMAND ${CMAKE_COMMAND} -E make_directory ${DEPGRAPH_DIR}
 155             COMMAND ${CMAKE_COMMAND} -DDOCTYPE=${TYPE} -P RunDoxygen.cmake
 156             DEPENDS ${_deps}
 157             WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
 158             COMMENT "${COMMENT}" USES_TERMINAL)
 159         if (_fast_arg)
 160             add_dependencies(${TARGET}-fast doxygen-version)
 161         endif()
 162     endfunction()
 163
 164     # The XML target is necessary for the dependency graphs
 165     add_doxygen_target(doxygen-xml xml "Extracting Doxygen documentation to XML")
 166
 167     # Add targets for generating the dependency graphs; they are necessary for
 168     # the full and lib variants of the documentation.
 169     if (USE_PYTHON_SCRIPTS)
 170         # Add target that generates .dot files for the dependency graphs.
 171         # The output also depends on the Doxygen source files, but the
 172         # dependency on doxygen-xml takes care of that transitively.
 173         gmx_add_custom_output_target(dep-graphs-dot ADD_FAST_TARGET
 174             OUTPUT STAMP
 175             COMMAND ${PYTHON_EXECUTABLE}
 176                 ${CMAKE_CURRENT_SOURCE_DIR}/graphbuilder.py
 177                 -S ${CMAKE_SOURCE_DIR} -B ${CMAKE_BINARY_DIR}
 178                 --ignore-cycles ${CMAKE_CURRENT_SOURCE_DIR}/cycle-suppressions.txt
 179                 -o ${DEPGRAPH_DIR}
 180             DEPENDS doxygen-xml ${INSTALLED_HEADER_FILE}
 181                 ${CMAKE_CURRENT_SOURCE_DIR}/doxygenxml.py
 182                 ${CMAKE_CURRENT_SOURCE_DIR}/gmxtree.py
 183                 ${CMAKE_CURRENT_SOURCE_DIR}/graphbuilder.py
 184                 ${CMAKE_CURRENT_SOURCE_DIR}/cycle-suppressions.txt
 185             COMMENT "Generating include dependency graphs for dot"
 186             USES_TERMINAL)
 187
 188         # Add separate targets for converting the .dot files to .png.
 189         # These are not needed by the Doxygen targets, but are useful for
 190         # investigating just the graphs.
 191         set(dep_graphs_command_dot
 192             ${CMAKE_COMMAND} -DGRAPHDIR=${DEPGRAPH_DIR}
 193             -DDOT_EXECUTABLE=${DOXYGEN_DOT_EXECUTABLE}
 194             -P ${CMAKE_CURRENT_SOURCE_DIR}/generateGraphs.cmake)
 195         add_custom_target(dep-graphs      COMMAND ${dep_graphs_command_dot}
 196             COMMENT "Generating PNG include dependency graphs" VERBATIM)
 197         add_custom_target(dep-graphs-fast COMMAND ${dep_graphs_command_dot}
 198             COMMENT "Generating PNG include dependency graphs" VERBATIM)
 199         add_dependencies(dep-graphs      dep-graphs-dot)
 200         add_dependencies(dep-graphs-fast dep-graphs-dot-fast)
 201     endif()
 202
 203     # Create the actual targets to build the documentation.
 204     add_doxygen_target(doxygen-full full "Generating full documentation with Doxygen" DEPGRAPHS DEPXML)
 205     add_doxygen_target(doxygen-lib  lib  "Generating library documentation with Doxygen" DEPGRAPHS DEPXML)
 206     add_doxygen_target(doxygen-user user "Generating public API documentation with Doxygen" DEPXML)
 207     add_doxygen_target(doxygen-dev dev "Generating verbose developer docs with Doxygen" DEPGRAPHS DEPXML)
 208     # Convenience targets to build all the documentation flavors.
 209     add_custom_target(doxygen-all)
 210     add_custom_target(doxygen-all-fast)
 211     add_dependencies(doxygen-all      doxygen-full doxygen-lib doxygen-user)
 212     add_dependencies(doxygen-all-fast doxygen-full-fast doxygen-lib-fast doxygen-user)
 213
 214     # Finally, create the check-source target.
 215     if (USE_PYTHON_SCRIPTS)
 216         # TODO: Consider whether this is the best location for this code,
 217         # since not all of it is Doxygen-specific (but nearly all of it
 218         # relies on the Doxygen XML documentation).
 219         # The output .log file currently needs to be here, since Jenkins
 220         # expects that.
 221         set(check_source_command
 222             ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/check-source.py
 223             -S ${CMAKE_SOURCE_DIR} -B ${CMAKE_BINARY_DIR}
 224             -l ${CMAKE_CURRENT_BINARY_DIR}/check-source.log
 225             --ignore ${CMAKE_CURRENT_SOURCE_DIR}/suppressions.txt
 226             --ignore-cycles ${CMAKE_CURRENT_SOURCE_DIR}/cycle-suppressions.txt)
 227         add_custom_target(check-source      COMMAND ${check_source_command}
 228             COMMENT "Checking source code for various issues" VERBATIM USES_TERMINAL)
 229         add_custom_target(check-source-fast COMMAND ${check_source_command}
 230             COMMENT "Checking source code for various issues" VERBATIM USES_TERMINAL)
 231         add_dependencies(check-source       doxygen-xml)
 232     endif()
 233 else()
 234     function (add_disabled_doxygen_target TARGET)
 235         add_custom_target(${TARGET}
 236             COMMAND ${CMAKE_COMMAND} -E echo
 237                 "Cannot build/run target ${TARGET} because Doxygen is not available"
 238             COMMENT "Doxygen not available" VERBATIM)
 239     endfunction()
 240     add_disabled_doxygen_target(doxygen-all)
 241     add_disabled_doxygen_target(doxygen-all-fast)
 242     add_disabled_doxygen_target(doxygen-xml)
 243     add_disabled_doxygen_target(doxygen-user)
 244     add_disabled_doxygen_target(doxygen-lib)
 245     add_disabled_doxygen_target(doxygen-lib-fast)
 246     add_disabled_doxygen_target(doxygen-full)
 247     add_disabled_doxygen_target(doxygen-full-fast)
 248     add_disabled_doxygen_target(check-source)
 249     add_disabled_doxygen_target(check-source-fast)
 250     add_disabled_doxygen_target(dep-graphs)
 251     add_disabled_doxygen_target(dep-graphs-fast)
 252 endif()