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cmake: Re-run cmake if submodule commits change or a submodule is deinit-ed

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Angus Gratton 2018-01-19 16:34:00 +11:00 committed by Angus Gratton
parent 4f1a856dbf
commit be962a9444
1 changed files with 10 additions and 0 deletions
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10
tools/cmake/git_submodules.cmake
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@ -41,6 +41,16 @@ else(NOT GIT_FOUND)
elseif(NOT "${status}" STREQUAL " ")
message(WARNING "Git submodule ${submodule_path} is out of date. Run 'git submodule update --init --recursive' to fix.")
endif()
# Force a re-run of cmake if the submodule's .git file changes or is changed (ie accidental deinit)
get_filename_component(submodule_abs_path ${submodule_path} ABSOLUTE BASE_DIR ${root_path})
set_property(DIRECTORY APPEND PROPERTY CMAKE_CONFIGURE_DEPENDS ${submodule_abs_path}/.git)
# same if the HEAD file in the submodule's directory changes (ie commit changes). This will at least prit the 'out of date' warning
set(submodule_head "${root_path}/.git/modules/${submodule_path}/HEAD")
if(EXISTS "${submodule_head}")
set_property(DIRECTORY APPEND PROPERTY CMAKE_CONFIGURE_DEPENDS ${submodule_head})
endif()
endforeach()
endfunction(git_submodule_check)