diff options
Diffstat (limited to 'src/ceph/cmake/modules/CTags.cmake')
| -rw-r--r-- | src/ceph/cmake/modules/CTags.cmake | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/src/ceph/cmake/modules/CTags.cmake b/src/ceph/cmake/modules/CTags.cmake new file mode 100644 index 0000000..55b2288 --- /dev/null +++ b/src/ceph/cmake/modules/CTags.cmake @@ -0,0 +1,40 @@ +find_program(CTAGS_EXECUTABLE ctags) + +function(add_tags name) + cmake_parse_arguments(TAGS "" "SRC_DIR;TAG_FILE" "EXCLUDE_OPTS;EXCLUDES" ${ARGN}) + set(excludes ${TAGS_EXCLUDES}) + if(TAGS_EXCLUDE_OPTS) + # always respect EXCLUDES_OPTS + list(APPEND excludes ${TAGS_EXCLUDE_OPTS}) + else() + # exclude the submodules under SRC_DIR by default + execute_process( + COMMAND git config --file .gitmodules --get-regexp path + COMMAND awk "/${TAGS_SRC_DIR}/ { print $2 }" + WORKING_DIRECTORY ${PROJECT_SOURCE_DIR} + RESULT_VARIABLE result_code + OUTPUT_VARIABLE submodules + OUTPUT_STRIP_TRAILING_WHITESPACE) + if(${result_code} EQUAL 0) + string(REPLACE "${TAGS_SRC_DIR}/" "" submodules ${submodules}) + # cmake list uses ";" as the delimiter, so split the string manually + # before iterating in it. + string(REPLACE "\n" ";" submodules ${submodules}) + list(APPEND excludes ${submodules}) + endif() + endif() + message(STATUS "exclude following files under ${TAGS_SRC_DIR}: ${excludes}") + # add_custom_target() accepts a list after "COMMAND" keyword, so we should + # make exclude_arg a list, otherwise cmake will quote it. and ctags will + # take it as as a single argument. + foreach(exclude ${excludes}) + list(APPEND exclude_args --exclude=${exclude}) + endforeach() + add_custom_target(${name} + COMMAND ${CTAGS_EXECUTABLE} -R --c++-kinds=+p --fields=+iaS --extra=+q ${exclude_args} + WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}/${TAGS_SRC_DIR} + COMMENT "Building ctags file ${TAGS_TAG_FILE}" + VERBATIM) + set_source_files_properties(${CMAKE_SOURCE_DIR}/${TAGS_TAG_FILE} PROPERTIES + GENERATED true) +endfunction() |