Rust cross-compilation cheatsheet (M1 Mac)

cross-compile.sh

# Cross-compilation commands for Rust on M1 (arm64) macOS.

brew tap messense/macos-cross-toolchains

# -> macOS arm64
cargo build --release

# -> macOS x86-64
SDKROOT=$(xcrun -sdk macosx12.3 --show-sdk-path) \
MACOSX_DEPLOYMENT_TARGET=$(xcrun -sdk macosx12.3 --show-sdk-platform-version) \
cargo build --release --target=x86_64-apple-darwin

# usage: (only for linux targets)
#
# rcr-tap
# rcr-add x86_64-unknown-linux-gnu
# rcr-build x86_64-unknown-linux-gnu

function rcr-tap {
  brew tap messense/macos-cross-toolchains
}

function rcr-add {
  brew install "$1"
  rustup target add "$1"
}

function rcr-build {
  capital_target=$(tr '-' '_' <<< ${1:u})
  eval "
    TARGET_CC=$1-cc \
    CARGO_TARGET_${capital_target}_LINKER=$1-gcc \
    cargo build --release --target $1
  "
}