Thanks Steven for verification and reporting the issue! I've recently updated avro-cpp to C++20 and replaced fmt with std::format: https://github.com/apache/avro/pull/3788. This issue will no longer occur after we bump the version of avro-cpp.
Best, Gang On Mon, Jun 8, 2026 at 1:26 PM Steven Wu <[email protected]> wrote: > +1 (binding) > > Verified on macOS 26 (Tahoe), arm64, Apple Clang 21: > > - > > GPG signature: OK > - > > SHA-512 checksum: OK > - > > Source build (cmake, Release, static + shared): OK > - > > ctest: 16/16 passed > - > > cmake --install: produces expected libiceberg_bundle.{a,dylib}, > libiceberg_data, libiceberg_rest, plus vendored Arrow/Avro > > One note for other verifiers on recent macOS: dev/release/verify_rc.sh > failed for me out of the box because the vendored avro-cpp (SHA 11fb555…) > pins fmt 10.2.1 in its own CMakeLists, and fmt 10.2.1's format-inl.h no > longer compiles under Apple Clang 21 / LLVM 21 due to stricter consteval > evaluation (errors of the form "call to consteval function … is not a > constant expression"). > > Workaround: brew install fmt (12.1.0) before running the script — > avro-cpp's find_package(fmt QUIET) then picks up the system fmt and skips > the FetchContent of the broken 10.2.1. After that, the full script passes. > > Not a blocker for this release, but worth a follow-up — either bump the > vendored avro-cpp pin to one that uses fmt 11+, or thread an ICEBERG_FMT_* > override through IcebergThirdpartyToolchain.cmake so we control the fmt > version directly. > > Thanks for driving the release! > > Steven > > > On Sun, Jun 7, 2026 at 8:12 PM Guotao Yu <[email protected]> wrote: > >> +1 (non-binding) >> >> I verified the RC0 artifacts, checksums/signatures, and ran the unit >> tests successfully. >> >> 2026年6月6日 20:28，Junwang Zhao <[email protected]> 写道： >> >> Hi, >> >> I would like to propose the following release candidate (RC0) of >> Apache Iceberg C++ 0.3.0. >> >> This release candidate is based on commit: >> ae29c3d4b497c26a62de47ee7659f6cf7aba60f8 [1] >> >> The source release RC0 is hosted at [2]. >> >> Please download, verify checksums and signatures, run the unit tests, >> and vote on the release. See [3] for how to validate a release candidate. >> >> The vote will be open for at least 72 hours. >> >> [ ] +1 Release this as Apache Iceberg C++ 0.3.0 >> [ ] +0 >> [ ] -1 Do not release this as Apache Iceberg C++ 0.3.0 because... >> >> [1]: >> https://github.com/apache/iceberg-cpp/tree/ae29c3d4b497c26a62de47ee7659f6cf7aba60f8 >> [2]: >> https://dist.apache.org/repos/dist/dev/iceberg/apache-iceberg-cpp-0.3.0-rc0 >> [3]: >> https://github.com/apache/iceberg-cpp/blob/main/dev/release/README.md#verify >> >> -- >> Regards >> Junwang Zhao >> >> >>
