zhanchangbao-sanechips opened a new pull request, #2644:
URL: https://github.com/apache/orc/pull/2644

   ### What this PR does
   
   Adds a RISC-V (riscv64) Docker image for Ubuntu 24.04 and wires it into 
GitHub Actions so we can continuously build ORC on RISC-V.
   
   ### Changes
   
   - `docker/riscv64-ubuntu24/Dockerfile`: new image based on the existing 
Ubuntu 24.04 Dockerfile. Supports both `cc=gcc` (default) and `cc=clang` build 
args.
   - `docker/os-list.txt`: registered the new image.
   - `.github/workflows/build_and_test.yml`: added a `riscv64` job running 
under QEMU on `ubuntu-latest`, building with `-DBUILD_ENABLE_RVV=ON`.
   
   ### Notes
   
   - The job currently only builds ORC. RVV-specific tests will be added in 
follow-up PRs after the RVV decoder implementation is in.
   - I followed the same pattern as the existing `aarch64` / `ubuntu24` Docker 
images to keep things consistent.
   - Local verification was done with `docker buildx` on a host with QEMU 
user-static registered.
   
   ### ScreenShot
   <img width="970" height="340" alt="1" 
src="https://github.com/user-attachments/assets/4cee0ece-a594-4fbe-8cf7-4b6e2b8f7219";
 />
   <img width="875" height="255" alt="2" 
src="https://github.com/user-attachments/assets/6ece8345-a613-4bfe-8cd2-1ee9e92a32c7";
 />
   


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