build: remove Meson build support (#935)

Author: zhjwpku

.devcontainer/Dockerfile.template

@@ -38,7 +38,6 @@ RUN apt update && \
     libssl-dev \
     libxml2-dev \
     lsb-release \
-    meson \
     ninja-build \
     pkg-config \
     python3 \

.github/workflows/test.yml

@@ -204,60 +204,3 @@ jobs:
         run: |
           $ErrorActionPreference = "Stop"
           bash -lc 'ci/scripts/build_example.sh $(pwd)/example'
-  meson:
-    if: ${{ github.event_name != 'pull_request' || github.event.pull_request.draft == false }}
-    name: Meson - ${{ matrix.title }}
-    runs-on: ${{ matrix.runs-on }}
-    timeout-minutes: 30
-    strategy:
-      max-parallel: 15
-      fail-fast: false
-      matrix:
-        include:
-          - title: AMD64 Ubuntu 26.04
-            runs-on: ubuntu-26.04
-            CC: gcc-14
-            CXX: g++-14
-            meson-setup-args: -Drest_integration_test=enabled
-          - title: AMD64 Windows 2025
-            runs-on: windows-2025
-            meson-setup-args: --vsenv
-          - title: AArch64 macOS 26
-            runs-on: macos-26
-    steps:
-      - uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
-        with:
-          python-version: '3.x'
-      - name: Checkout iceberg-cpp
-        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
-        with:
-          persist-credentials: false
-      - name: Install build dependencies
-        run: |
-          python3 -m pip install --upgrade pip
-          python3 -m pip install -r requirements.txt
-      - name: Set Ubuntu Compilers
-        # Wrap the compiler with sccache: Meson auto-detects sccache for the
-        # default compiler (macOS/Windows), but uses an explicit CC/CXX verbatim,
-        # so the launcher must be prepended here to route Ubuntu compiles through it.
-        if: ${{ startsWith(matrix.runs-on, 'ubuntu') }}
-        run: |
-          echo "CC=sccache ${{ matrix.CC }}" >> $GITHUB_ENV
-          echo "CXX=sccache ${{ matrix.CXX }}" >> $GITHUB_ENV
-      - name: Set up sccache
-        uses: ./.github/actions/setup-sccache
-        with:
-          key-prefix: sccache-meson-${{ matrix.runs-on }}
-      - name: Build Iceberg
-        run: |
-          meson setup builddir ${{ matrix.meson-setup-args || '' }}
-          meson compile -C builddir
-      - name: Save sccache
-        if: always()
-        uses: ./.github/actions/save-sccache
-        with:
-          key-prefix: sccache-meson-${{ matrix.runs-on }}
-          job-status: ${{ job.status }}
-      - name: Test Iceberg
-        run: |
-          meson test -C builddir --timeout-multiplier 0 --print-errorlogs

.gitignore

@@ -36,12 +36,6 @@ cmake-build-release/
 .devcontainer/*
 !.devcontainer/*.template
 
-# meson subprojects - wrap files need to be kept to let meson download
-# dependencies as needed, but dependencies themselves should not be versioned
-/subprojects/*
-!/subprojects/packagefiles
-!/subprojects/*.wrap
-
 # AI
 AGENTS.md
 CLAUDE.md

.pre-commit-config.yaml

@@ -43,15 +43,3 @@ repos:
     rev: v0.6.10
     hooks:
       - id: cmake-format
-
-  - repo: https://github.com/trim21/pre-commit-mirror-meson
-    rev: v1.9.0
-    hooks:
-      - id: meson-fmt
-        alias: cpp
-        args: ['--inplace']
-        files: >-
-          (
-          ?.*meson\.build$|
-          ?.*meson\.options$|
-          )

README.md

@@ -32,7 +32,7 @@ C++ implementation of [Apache Iceberg™](https://iceberg.apache.org/).
 **Required:**
 
 - C++23 compliant compiler (GCC 14+, Clang 18+, MSVC 2022+)
-- CMake 3.25+ or Meson 1.5+
+- CMake 3.25+
 - [Ninja](https://ninja-build.org/) (recommended build backend)
 
 **Optional:**
@@ -105,29 +105,6 @@ cmake --install build
 | `ICEBERG_ENABLE_ASAN` | `OFF` | Enable Address Sanitizer |
 | `ICEBERG_ENABLE_UBSAN` | `OFF` | Enable Undefined Behavior Sanitizer |
 
-## Build with Meson
-
-```bash
-meson setup builddir
-meson compile -C builddir
-meson test -C builddir --timeout-multiplier 0
-```
-
-Meson provides built-in equivalents for several CMake options:
-
-- `--default-library=<shared|static|both>` instead of `ICEBERG_BUILD_STATIC` / `ICEBERG_BUILD_SHARED`
-- `-Db_sanitize=address,undefined` instead of `ICEBERG_ENABLE_ASAN` / `ICEBERG_ENABLE_UBSAN`
-- `--libdir`, `--bindir`, `--includedir` for install directories
-
-Meson-specific options (configured via `-D<option>=<value>`):
-
-| Option | Default | Description |
-|--------|---------|-------------|
-| `rest` | `enabled` | Build REST catalog client |
-| `rest_integration_test` | `disabled` | Build integration test for REST catalog |
-| `spdlog` | `enabled` | Use spdlog as the default logging backend |
-| `tests` | `enabled` | Build tests |
-
 ### Build Examples
 
 After installing the core libraries, you can build the examples:

cmake_modules/IcebergThirdpartyToolchain.cmake

@@ -128,8 +128,8 @@ set(ICEBERG_UTF8PROC_BUILD_SHA256_CHECKSUM
 if(DEFINED ENV{ICEBERG_UTF8PROC_URL})
   set(UTF8PROC_SOURCE_URL "$ENV{ICEBERG_UTF8PROC_URL}")
 else()
-  # Use the release asset (stable bytes, matching subprojects/utf8proc.wrap) rather
-  # than the auto-generated tag archive, whose contents GitHub does not guarantee.
+  # Use the release asset (stable bytes) rather than the auto-generated tag archive,
+  # whose contents GitHub does not guarantee.
   set(UTF8PROC_SOURCE_URL
       "https://github.com/JuliaStrings/utf8proc/releases/download/v${ICEBERG_UTF8PROC_BUILD_VERSION}/utf8proc-${ICEBERG_UTF8PROC_BUILD_VERSION}.tar.gz"
   )

meson.build

@@ -24,7 +24,7 @@
 **Required:**
 
 - C++23 compliant compiler (GCC 14+, Clang 18+, MSVC 2022+)
-- CMake 3.25+ or Meson 1.5+
+- CMake 3.25+
 - [Ninja](https://ninja-build.org/) (recommended build backend)
 
 ## Quick Start
@@ -82,26 +82,6 @@ cmake --install build
 | `ICEBERG_ENABLE_ASAN` | `OFF` | Enable Address Sanitizer |
 | `ICEBERG_ENABLE_UBSAN` | `OFF` | Enable Undefined Behavior Sanitizer |
 
-## Build with Meson
-
-```bash
-meson setup builddir
-meson compile -C builddir
-meson test -C builddir --timeout-multiplier 0
-```
-
-Meson provides built-in equivalents for several CMake options:
-
-- `--default-library=<shared|static|both>` instead of `ICEBERG_BUILD_STATIC` / `ICEBERG_BUILD_SHARED`
-- `-Db_sanitize=address,undefined` instead of `ICEBERG_ENABLE_ASAN` / `ICEBERG_ENABLE_UBSAN`
-- `--libdir`, `--bindir`, `--includedir` for install directories
-
-| Option | Default | Description |
-|--------|---------|-------------|
-| `rest` | `enabled` | Build REST catalog client |
-| `rest_integration_test` | `disabled` | Build integration test for REST catalog |
-| `tests` | `enabled` | Build tests |
-
 ## Running Tests
 
 Run all tests:

meson.options

@@ -41,7 +41,6 @@ are supplied by the `iceberg_bundle` library.
 
 This library combines `iceberg_data` with the Arrow C++, Avro, Parquet, and
 Arrow filesystem integrations. It gives applications one link-time dependency.
-Please note that Meson build currently does not have this yet.
 
 ### `iceberg_rest`, `iceberg_hive`, `iceberg_sql_catalog`