Rust for mac os x1/5/2024 ![]() Note that you could theoretically replace ‘arm’ with ‘armhf’, ‘armel’, ‘armv7’, ‘aarch64’ to build code that is faster on newer Pi models. Then, call cargo build with the musl binaries in the path: PATH=$PATH:/Users/yourname/musl/arm-linux-musleabi-cross/bin cargo build -target=arm-unknown-linux-musleabi. ![]() To fix, simply download an appropriate prebuilt musl cross-compilation toolchain from. A typical error is Internal error occurred: Failed to find tool. This fails on macOS, as there is no C compiler that compiles to ARM code on Linux. ![]() However many crates depend on C/C++ parts that are built during the build process. The above works fine for programs that are pure Rust. The above configures Rust to generate armv6 binaries for Linux that are fully statically linked, making use of the musl standard library (which is a smaller and statically linked replacement of the GNU C/C++ standard library). Build by calling cargo build -target=arm-unknown-linux-musleabi Configure Cargo to support ARM als a build target by creating a file.Install an ARM Rust toolchain: rustup target add arm-unknown-linux-musleabi.Install tools to generate binaries: brew install arm-linux-gnueabihf-binutils (note, you do not actually need this if you follow the alternative route described below!).The easiest way to do this is as follows: This took me a while to figure out, so I’m putting this here to save someone some time! I wanted to cross-compile Rust programs on my Mac to run on a Raspberry Pi (Zero in this case, but that shouldn’t matter much).
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