set -euxo pipefail main() { if [ $TARGET != x86_64-unknown-linux-gnu ]; then rustup target add $TARGET fi mkdir gcc curl -L https://static.dev.sifive.com/dev-tools/riscv64-unknown-elf-gcc-8.1.0-2018.12.0-x86_64-linux-ubuntu14.tar.gz | tar --strip-components=1 -C gcc -xz } main