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cb8bef9423
CMake is using stamp files to check if the external projects are out of date. There is an option 'BUILD_ALWAYS 1' of ExternalProject_Add, but it is not available prior to CMake 3.1. To work around it, this commit solves two problems at once: - Add a new step 'check_submodules' between configure and build to check if all submodules are up to date. This step has the option 'ALWAYS 1', which means it is always considered outdated. - Since 'build' depends on the above step, it will always be started
14 lines
622 B
CMake
14 lines
622 B
CMake
execute_process(COMMAND git submodule status --recursive WORKING_DIRECTORY "${CMAKE_CURRENT_LIST_DIR}/../" OUTPUT_VARIABLE git_status_output)
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string(REPLACE "\n" ";" git_status_output "${git_status_output}")
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foreach( a ${git_status_output})
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if(NOT ${a} MATCHES " [a-f,0-9]* external_dependencies[.]*")
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message(WARNING
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"*****************************************************************
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WARNING: The git submodules are out of sync! Please run
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git submodule update --init --recursive
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in your source directory
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*****************************************************************")
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endif()
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endforeach()
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