bazel-c-rust-x86_linux-armv7_
rules_rust
bazel-c-rust-x86_linux-armv7_ | rules_rust | |
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2 | 9 | |
- | 610 | |
- | 1.8% | |
- | 9.6 | |
- | 7 days ago | |
Starlark | ||
- | Apache License 2.0 |
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bazel-c-rust-x86_linux-armv7_
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Rust for Embedded Systems: Current State, Challenges and Open Problems
I think when bringing up embedded rust it is necessary to specify an application.
For low level, hard realtime control and interrupt handling rust gets in the way. Many embedded applications stop here. For things like parsing, protocol stacks and business logic rust has a clear advantage. Interoperability with C is therefore essential. The current situation is good for ARM and RISC (ESP32) but impossible for weirder stuff like C28x. (See my demo here: https://github.com/driftregion/bazel-c-rust-x86_linux-armv7_... )
- When to Use Bazel?
rules_rust
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NixOS: Declarative Builds and Deployments
The same reason Bazel builds avoid using Cargo when building Rust software, so I'll describe why Bazel would do this:
- Bazel wants to cache remote resources, like each respective crate's source files.
- Bazel then wants to build each crate in a sandbox, and cache the build artifacts
This is an established practice, and Nix wants to drive the build for the same reasons.
See:
- https://github.com/bazelbuild/rules_rust
- https://github.com/google/cargo-raze
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Rust fact vs. fiction: 5 Insights from Google's Rust journey in 2022
To answer your question, I don't know if Soong or Bazel can reuse the files produced by an incremental Rust compilation. I tried searching the rules_rust repository and found some discussions, but nothing that clearly told me "Yes, this is supported".
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When to Use Bazel?
Bazel doesn't allow targeting a lot of platforms (especially embedded) from Rust, even when the Rust ecosystem supports these targets. Something is off with its design if new work needs to be done for every platform that's already available behind an interface that's as consistent as what rustc gives.
What is supported needs to be inferred from this file, as far as I can tell: https://github.com/bazelbuild/rules_rust/blob/main/rust/plat...
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Cpp-like build tools for Rust?
You might be overjoyed to learn that you can use a build tool that forces you to manually write out the dependencies between each file.
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How to enable suggestions/autocomplete in VS Code?
I am using rules_rust and have the VS Code Bazel plugin installed, but I am still not getting autocomplete.
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Blog Post: Fast Rust Builds
Other than that, the performance of both for builds should be determined exactly by the organization of code into separate crates and the rustc invocations. Bazel generally encourages smaller crates, but that's very subtle. There is at least 1 case I can think of where rustc is overfit to cargo, in a way that is not easily replicable by bazel, which is the metadata/rlib pipelining https://github.com/bazelbuild/rules_rust/issues/228
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Modern C++ Won't Save Us (2019)
Rust integrates pretty seamlessly into Bazel projects via rules_rust (https://github.com/bazelbuild/rules_rust). The existing rules even allow for c calling rust and rust calling c. Example: https://github.com/bazelbuild/rules_rust/blob/main/examples/...
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Why Zig When There Is Already C++ and Rust?
With any compiled language you can use the compiler and vendor your dependencies instead of using the language's conventional package manager. For example, nothing prevents skipping Cargo and building Rust directly with rustc the way Bazel does.
https://github.com/bazelbuild/rules_rust
What are some alternatives?
embedded-postgres-binaries - Lightweight bundles of PostgreSQL binaries with reduced size intended for testing purposes.
zig - General-purpose programming language and toolchain for maintaining robust, optimal, and reusable software.
bob - Bob is a high-level build tool for multi-language projects.
cargo-chef - A cargo-subcommand to speed up Rust Docker builds using Docker layer caching.
bazel-c-rust-x86_linux-armv7_baremetal - demonstrate a rust library that can be tested on a linux PC and deployed on a mostly-C baremetal device
cargo-sweep - A cargo subcommand for cleaning up unused build files generated by Cargo
remote-apis - An API for caching and execution of actions on a remote system.
www.ziglang.org
bazel-gba-example - Bazel GBA (Game Boy Advance) Example
wg-allocators - Home of the Allocators working group: Paving a path for a standard set of allocator traits to be used in collections!
Bazel - a fast, scalable, multi-language and extensible build system
bazel-coverage-report-renderer - Haskell rules for Bazel.