COMP: Set CMP0135 CMake policy to NEW
#248
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dzenanz
reviewed
Sep 18, 2023
Set the `CMP0135` CMake policy to `NEW`: the timestamps of the extracted files will reflect the timestamps at extraction. Fixes: ``` CMake Warning (dev) at /Users/runner/work/_temp/-2070939391/cmake-3.24.2-macos-universal/CMake.app/Contents/share/cmake-3.24/Modules/ExternalProject.cmake:3074 (message): The DOWNLOAD_EXTRACT_TIMESTAMP option was not given and policy CMP0135 is not set. The policy's OLD behavior will be used. When using a URL download, the timestamps of extracted files should preferably be that of the time of extraction, otherwise code that depends on the extracted contents might not be rebuilt if the URL changes. The OLD behavior preserves the timestamps from the archive instead, but this is usually not what you want. Update your project to the NEW behavior or specify the DOWNLOAD_EXTRACT_TIMESTAMP option with a value of true to avoid this robustness issue. ``` raised for example in: https://open.cdash.org/build/8993686/configure Related documentation: https://cmake.org/cmake/help/latest/module/ExternalProject.html?highlight=download_extract_timestamp https://cmake.org/cmake/help/latest/policy/CMP0135.html
jhlegarreta
changed the title
DOWNLOAD_EXTRACT_TIMESTAMP to TRUECMP0135 CMake policy to NEW
dzenanz
approved these changes
Sep 19, 2023
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The warning is gone: Thanks @dzenanz. |
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Merge after CI comes back clean. |
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Set the
CMP0135CMake policy toNEW: the timestamps of theextracted files will reflect the timestamps at extraction.
Fixes:
raised for example in:
https://open.cdash.org/build/8993686/configure
Related documentation:
https://cmake.org/cmake/help/latest/module/ExternalProject.html?highlight=download_extract_timestamp https://cmake.org/cmake/help/latest/policy/CMP0135.html