[build] Fix CMake protobuf dependency handling #6772
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PeterJohnson
requested changes
Jun 23, 2024
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This works for me on Linux. |
PeterJohnson
approved these changes
Jun 28, 2024
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Reverts #6609 since that fix didn't Just Work(tm) on Windows. (edit: or Ubuntu. Seems to have broken everything except macOS.) This PR configures CMake to try and find protobuf-config.cmake first, which allows protobuf to pull in abseil for us. If protobuf-config.cmake is not available (coprocessors which don't have a new enough protobuf installed are a common case), it will fallback to CMake's built-in FindProtobuf module, which is what we were using before.
This PR also adds
wpi::CreateMessage, a wrapper with an ifdef to switch betweenArena::CreateMessageandArena::Create, since the former is deprecated in newer versions of protobuf. This allows forward compatibility with newer versions of protobuf.