apache / apache/iceberg-cpp

CMake and Meson build definitions are Out Of Sync

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enhancement question
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C++
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描述

## Description

The CMake and Meson build definitions are maintained separately and have drifted. On current `main` (`e0399c6945326dd5281da07de8ed14a61c9f2cac`), equivalent configurations do not install the same public headers or run the same core tests.

Examples:

- CMake installs public headers by globbing each directory, while Meson lists them manually. As a result:
- CMake installs `iceberg/puffin_dv_io.h` and `iceberg/catalog/rest/auth/token_refresh_scheduler.h`, but Meson does not.
- Meson installs `iceberg/catalog/catalog_util.h`, `iceberg/catalog/session_catalog.h`, and `iceberg/catalog/session_context.h`, but CMake does not install headers from `src/iceberg/catalog/`.
- CMake includes `snapshot_summary_builder_test.cc` in `table_test`, but Meson does not include that test source, so the Meson CI path does not exercise it.
- Vendored/fallback dependency versions differ between the two build systems:

| Dependency | CMake | Meson |
|---|---:|---:|
| CRoaring | 4.4.3 | 4.3.11 |
| nlohmann/json | 3.11.3 | 3.12.0 |
| GoogleTest | 1.15.2 | 1.17.0 |

Other shared dependencies, such as nanoarrow 0.9.0, utf8proc 2.10.0, spdlog 1.15.3, cpr 1.14.1, and Google Benchmark 1.8.4, are currently aligned but can drift because their pins are also declared independently.
- Dependency resolution policy also differs: CMake requires system Zlib and Curl, while Meson can fall back to pinned wraps (Zlib 1.3.1 and Curl 8.10.1). Any intentional difference here should be documented and tested explicitly.

The Meson bundle gap is already tracked by #256 and is outside the scope of this issue. Other intentional feature differences should likewise remain explicit rather than appearing as accidental drift.

---

**This to track current status and initiated a discussion on how we can maintain and sync the build tools in the long term.**

贡献指南

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调研方向

比较 main 提交 e0399c6 中的 CMake 和 Meson 构建定义,从公共头文件安装、table_test 源文件以及列出的依赖版本固定开始。检查 snapshot_summary_builder_test.cc 和 issue #256,以确认所述范围。意外差异得到对齐,同时有意的依赖和功能差异得到记录并经过测试,即表示完成。

由索引模型根据 Issue 内容生成。

评估

技术栈
cmake, cpp
领域
build-system, tooling
Issue 类型
重构
难度
5/5
预计耗时
一周以上
活跃度
活跃
描述清晰度
基本清楚
新手友好度
38/100

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