Support building with Protobuf version 6.x#249
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…Abseil libraries conditionally
follesoe
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Feb 25, 2026
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Pull request overview
This PR adds support for building the project with Protobuf version 6.x or higher, which requires linking against Abseil libraries. The changes include updates to the CMake configuration to detect and link Abseil when Protobuf 6.x+ is used, and additions of CI jobs to build on Linux, macOS, and a custom container environment.
Changes:
- Added Protobuf version detection and conditional Abseil library linking in CMake
- Added three new CI build jobs for ubuntu-latest, macos-latest, and a custom container
- Added version logging to help debug Protobuf version issues
Reviewed changes
Copilot reviewed 2 out of 2 changed files in this pull request and generated 5 comments.
| File | Description |
|---|---|
| CMakeLists.txt | Added Protobuf version detection, conditional Abseil linking for Protobuf 6.x+, and version logging |
| .github/workflows/ci-build.yaml | Added three new build jobs (Linux, macOS, container) to test builds across platforms |
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This pull request introduces support for building the project on both Linux and macOS via GitHub Actions and updates the CMake configuration to handle compatibility with Protobuf 6.x and above. The most significant changes are the addition of new CI build jobs for multiple platforms and conditional linking of the Abseil library when using newer versions of Protobuf.
CI/CD Improvements:
ubuntu-latestandmacos-latest, including steps to install dependencies and build the project using CMake and Make. (.github/workflows/ci-build.yaml)Build System Compatibility:
CMakeLists.txtto print the Protobuf version and, if Protobuf 6.x or higher is detected, require and link the Abseil libraries to ensure compatibility. (CMakeLists.txt)