Bazel
6.7#4 in build automation softwareFree planFree planLinuxmacOSWindows
VisitBazel vs GN
What both publish
| Fact | Bazel | GN |
|---|---|---|
| Languages | Bazel supports languages including C++, Java, Kotlin, Python, Go, and Rust. | GN generates Ninja files for C, C++, Rust, Objective C, and Swift; other languages can use script-based action rules. |
| Purpose | Bazel is an open-source tool that automates software builds and tests. | GN is a meta-build system that generates build files for Ninja. |
| Scale | The documentation says Bazel can handle builds with 100,000 or more source files and work across multiple repositories. | It is designed to scale to thousands of build files and tens of thousands of source files. |
| Support | The documentation points users to community support channels including Slack and Stack Overflow, as well as an issue tracker. | Users can report bugs in the GN bug database and ask questions or follow development on the Chromium GN developers Google Group. |
Bazel plans
- BazelFree
GN plans
- GNFree
Pick Bazel if…
Bazel suits software teams working with large codebases, multiple compiled languages, multiple target platforms or extensive test suites. It may also fit projects that want cached builds and basic CI failure signaling.
Pick GN if…
GN suits developers managing large, multi-platform projects that build through Ninja. It is useful when separate configurations, cross-compilation, and build checks are needed.