build-build-image.sh

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#!/bin/sh

set -ex

ARCH=$1

TOOLCHAIN=1.76.0

if [ "$ARCH" = arm64 ]; then

    TARGET=aarch64-unknown-linux-musl

    # there's no aarch64-linux-musl-gcc, use the gnu one

    CARGO_TARGET_AARCH64_UNKNOWN_LINUX_MUSL_LINKER=aarch64-linux-gnu-gcc

    CC=aarch64-linux-gnu-gcc

    export CC CARGO_TARGET_AARCH64_UNKNOWN_LINUX_MUSL_LINKER

else

    TARGET=x86_64-unknown-linux-musl

fi

# Install our Rust toolchain and the `musl` target.  We patch the

# command-line we pass to the installer so that it won't attempt to

# interact with the user or fool around with TTYs.  We also set the default

# `--target` to musl so that our users don't need to keep overriding it

# manually.

curl https://sh.rustup.rs -sSf | \

    sh -s -- -y \

        --profile minimal \

        --default-toolchain $TOOLCHAIN \

        --target $TARGET

# Set up our path with all our binary directories, including those for the

# musl-gcc toolchain and for our Rust toolchain.

export PATH="/home/rust/.cargo/bin:$PATH"

# --out-dir is not yet stable

export RUSTC_BOOTSTRAP=1

# Build our application.

cargo build --target $TARGET --out-dir=bin --release -Zunstable-options