cargo-ndk - Build Rust code for Android

This cargo extension handles all the environment configuration needed for successfully building libraries for Android from a Rust codebase, with support for generating the correct jniLibs directory structure.

Installing

cargo install cargo-ndk

You'll also need to install all the toolchains you intend to use. Simplest way is with the following:

rustup target add \
    aarch64-linux-android \
    armv7-linux-androideabi \
    x86_64-linux-android \
    i686-linux-android

Modify as necessary for your use case.

Usage

If you have installed the NDK with Android Studio to its default location, cargo ndk will automatically detect the most recent NDK version and use it. This can be overriden by specifying the path to the NDK root directory in the ANDROID_NDK_HOME environment variable.

Example: building a library for 32-bit and 64-bit ARM systems

cargo ndk -t armeabi-v7a -t arm64-v8a -o ./jniLibs build --release

This specifies the Android targets to be built, the output directory to use for placing the .so files in the layout expected by Android, and then the ordinary flags to be passed to cargo.

Example

Supported hosts

Linux
macOS (x86_64 and arm64)
Windows

Similar projects

cargo-lipo - for building iOS universal Rust libraries

Doing local modifications

git clone and then install the local modifications you did:

cargo install --path .

License

This project is licensed under either of

Apache License, Version 2.0 (LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0)
MIT license (LICENSE-MIT or http://opensource.org/licenses/MIT)

at your option.

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cargo-ndk 2.11.0