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android / platform / external / rust / crates / protobuf-codegen / c4e85f2c6bb3b117fb3f299f92008b689ae78810
commitc4e85f2c6bb3b117fb3f299f92008b689ae78810[log] [tgz]
authorMatthew Maurer <[email protected]>Mon Jul 06 13:34:13 2020 -0700
committerMatthew Maurer <[email protected]>Mon Jul 06 13:34:13 2020 -0700
tree762167642baf7f04da611674ec2853b7a6f31fed
parent92ff6050970bae060821744b82e30198268dd981 [diff]
Support building all variants.

Bug: 143217452
Test: cd external/rust; mma; atest in all TEST_MAPPING subdirs
Change-Id: I655594c69ba9477b39540d79bac5a04cb4d27095
1 file changed
tree: 762167642baf7f04da611674ec2853b7a6f31fed
  1. src/
  2. LICENSE ⇨ LICENSE.txt
  3. NOTICE ⇨ LICENSE
  4. .cargo_vcs_info.json
  5. Android.bp
  6. Cargo.lock
  7. Cargo.toml
  8. Cargo.toml.orig
  9. LICENSE.txt
  10. METADATA
  11. MODULE_LICENSE_BSD_LIKE
  12. OWNERS
  13. README.android
  14. README.md
README.md

protobuf-codegen

This crate contains protobuf code generator and a protoc-gen-rust protoc plugin.

protoc-gen-rust

protoc-gen-rust implements standard protobuf protoc plugin conventions.

Probably you do not want to use it directly in Rust environment, there are easier to use alternatives:

  • protoc-rust crate which can be invoked programmatically from build.rs of your project which requires only protoc in $PATH but not protoc-gen-rust.
  • protobuf-codegen-pure crate which behaves like protoc-rust, but does not depend on protoc binary

But if you really want to use that plugin, here's the instruction

(Note protoc can be invoked programmatically with protoc crate)

  1. Install protobuf for protoc binary.

On OS X Homebrew can be used:

brew install protobuf

On Ubuntu, protobuf-compiler package can be installed:

apt-get install protobuf-compiler

Protobuf is needed only for code generation, rust-protobuf runtime does not use protobuf library.

  1. Install protoc-gen-rust program (which is protoc plugin)

It can be installed either from source or with cargo install protobuf command.

  1. Add protoc-gen-rust to $PATH

If you installed it with cargo, it should be

PATH="$HOME/.cargo/bin:$PATH"
  1. Generate .rs files:
protoc --rust_out . foo.proto

This will generate .rs files in current directory.