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Build the Dart SDK compilers and VM runtime. Use when you need to compile the SDK, build specific targets (runtime, most, create_sdk, dart2js, analysis_server), or troubleshoot build issues.
Codex または Claude でインストール この Prompt をコピーして Codex、Claude、または他のアシスタントに貼り付けると、Skill ページを確認してインストールできます。
SOC 職業分類に基づく
Set up the Dart SDK development environment — from deps to full builds to running tests. Handles depot_tools, bootstrapping SDK, gclient sync, building, and test.py.
Guide for modifying the Dart language — adding features, AST nodes, parser rules, CFE type inference, experimental flags, and diagnostics. Use when implementing or modifying Dart language features.
Run Dart SDK tests — language tests, corelib tests, analyzer tests, dart2js tests, and package-level tests. Use when running tests after building the SDK or verifying language changes.
| name | build-dart-sdk |
| description | Build the Dart SDK compilers and VM runtime. Use when you need to compile the SDK, build specific targets (runtime, most, create_sdk, dart2js, analysis_server), or troubleshoot build issues. |
| disable-model-invocation | true |
| allowed-tools | Bash |
Official docs: docs/Building.md
setup-dart-sdk-dev skill)bash .claude/skills/build-dart-sdk/scripts/build.sh
This builds the most target in release mode (analysis_server, dart2js, DDC, runtime, create_sdk).
# Just the VM runtime (fastest build)
bash .claude/skills/build-dart-sdk/scripts/build.sh runtime
# Full SDK distribution
bash .claude/skills/build-dart-sdk/scripts/build.sh create_sdk
# Specific compiler
bash .claude/skills/build-dart-sdk/scripts/build.sh dart2js
bash .claude/skills/build-dart-sdk/scripts/build.sh analysis_server
# Multiple targets
bash .claude/skills/build-dart-sdk/scripts/build.sh most run_ffi_unit_tests
# Debug mode (default for development)
bash .claude/skills/build-dart-sdk/scripts/build.sh --mode debug runtime
# Release mode (default for this script)
bash .claude/skills/build-dart-sdk/scripts/build.sh --mode release most
bash .claude/skills/build-dart-sdk/scripts/build.sh sync
This sets up the gclient workspace and downloads all native dependencies. Required once, then again after pulling new changes that modify DEPS.
| Platform | Debug | Release |
|---|---|---|
| macOS arm64 | xcodebuild/DebugARM64/ | xcodebuild/ReleaseARM64/ |
| macOS x64 | xcodebuild/DebugX64/ | xcodebuild/ReleaseX64/ |
| Linux/Windows | out/DebugX64/ | out/ReleaseX64/ |
| Target | What it builds | Time |
|---|---|---|
runtime | VM only | Fast |
most | analysis_server, dart2js, DDC, runtime, create_sdk | Medium |
create_sdk | Full SDK distribution | Medium |
dart2js | dart2js compiler only | Medium |
analysis_server | Analysis server only | Medium |
run_ffi_unit_tests | FFI unit tests (needed before running tests) | Fast |
bash .claude/skills/build-dart-sdk/scripts/build.sh sync firstgclient sync -D from the workspace rootpython3