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51 lines
2.0 KiB
51 lines
2.0 KiB
set(PROTOBUF_CPP_NAME "libprotobuf") |
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set(PROTOBUF_CPP_DOWNLOAD_HASH "bd5e3eed635a8d32e2b99658633815ef") |
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set(PROTOBUF_CPP_PATH "${CMAKE_CURRENT_BINARY_DIR}/3rdparty/protobuf/sources") # /protobuf-3.1.0 subdirectory |
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set(OPENCV_PROTOBUF_CPP_DOWNLOAD_URL ${OPENCV_PROTOBUF_URL};$ENV{OPENCV_PROTOBUF_URL};https://github.com/google/protobuf/releases/download/) |
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function(ocv_protobuf_download file ID) |
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if(DEFINED ${ID}_DOWNLOADED_HASH |
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AND ${ID}_DOWNLOADED_HASH STREQUAL ${ID}_DOWNLOAD_HASH |
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AND EXISTS ${${ID}_PATH}) |
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# Files have been downloaded and checked by the previous CMake run |
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return() |
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else() |
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if(EXISTS ${${ID}_PATH}) |
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message(STATUS "${${ID}_NAME}: Removing previous unpacked files: ${${ID}_PATH}") |
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file(REMOVE_RECURSE ${${ID}_PATH}) |
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endif() |
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endif() |
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unset(${ID}_DOWNLOADED_HASH CACHE) |
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file(MAKE_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/.download) |
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file(WRITE "${CMAKE_CURRENT_SOURCE_DIR}/.download/.gitignore" "*\n") |
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ocv_download(PACKAGE ${file} |
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HASH ${${ID}_DOWNLOAD_HASH} |
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URL ${OPENCV_${ID}_DOWNLOAD_URL} |
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DOWNLOAD_DIR ${CMAKE_CURRENT_SOURCE_DIR}/.download) |
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set(${ID}_ARCHIVE "${DOWNLOAD_PACKAGE_LOCATION}") |
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ocv_assert(EXISTS "${${ID}_ARCHIVE}") |
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ocv_assert(NOT EXISTS "${${ID}_PATH}") |
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file(MAKE_DIRECTORY ${${ID}_PATH}) |
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ocv_assert(EXISTS "${${ID}_PATH}") |
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file(WRITE "${${ID}_PATH}/.gitignore" "*\n") |
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message(STATUS "${${ID}_NAME}: Unpacking ${file} to ${${ID}_PATH}...") |
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execute_process(COMMAND ${CMAKE_COMMAND} -E tar xz "${${ID}_ARCHIVE}" |
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WORKING_DIRECTORY "${${ID}_PATH}" |
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RESULT_VARIABLE __result) |
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if(NOT __result EQUAL 0) |
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message(FATAL_ERROR "${${ID}_NAME}: Failed to unpack ${ID} archive from ${${ID}_ARCHIVE} to ${${ID}_PATH} with error ${__result}") |
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endif() |
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ocv_assert(EXISTS "${${ID}_PATH}") |
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set(${ID}_DOWNLOADED_HASH "${${ID}_DOWNLOAD_HASH}" CACHE INTERNAL "${ID} hash") |
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#message(STATUS "${${ID}_NAME}: Successfully downloaded") |
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endfunction() |
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ocv_protobuf_download(v3.1.0/protobuf-cpp-3.1.0.tar.gz PROTOBUF_CPP)
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