Rust cross-compilation example (on Apple Silicon with Docker)

Cargo.toml

[package]
name = "hello"
version = "0.1.0"
edition = "2021"

[dependencies]

[[bin]]
name = "hello"
path = "hello.rs"

Dockerfile

FROM rust

RUN rustup update
RUN rustup target add x86_64-pc-windows-gnu
RUN rustup target add x86_64-unknown-linux-gnu
RUN rustup target add aarch64-unknown-linux-gnu
RUN rustup target add x86_64-unknown-linux-musl
RUN rustup target add aarch64-unknown-linux-musl

RUN rustup +nightly component add rustfmt
RUN rustup component add clippy

RUN apt-get update
RUN apt-get upgrade
RUN apt-get install -y vim
RUN apt-get install -y --no-install-recommends gcc-mingw-w64-x86-64 pev
RUN apt-get install -y gcc-x86-64-linux-gnu
RUN apt-get install -y musl-tools musl-dev

COPY Cargo.toml hello.rs /demo/
WoRKDIR /demo/

RUN cargo build
RUN env RUSTFLAGS='-C linker=x86_64-linux-gnu-gcc' cargo build --target=x86_64-unknown-linux-gnu
RUN env RUSTFLAGS='-C linker=x86_64-linux-gnu-gcc' cargo build --target=x86_64-unknown-linux-musl
RUN cargo build --target=aarch64-unknown-linux-gnu
RUN cargo build --target=aarch64-unknown-linux-musl
RUN cargo build --target=x86_64-pc-windows-gnu

RUN find target -type f -regextype posix-egrep -regex '.*/(hello|hello\.exe)' -ls -exec file {} +

hello.rs

// hello.rs

fn type_of<T>(_: &T) -> &'static str {
    std::any::type_name::<T>()
}


fn main() {
    let a = 1;
    println!("a = {} : {}", a, type_of(&a));

    let f = 3.14;
    println!("f = {} : {}", f, type_of(&f));

    let s = "abc";
    println!("s = {} : {}", s, type_of(&s));

    println!("main : {}", type_of(&main));
}