Script for enabling cross-compilation (to ARM) from Fedora 30

cross_platform_rust.sh

#!/bin/bash

echo '*** updating rust ***'
rustup update
rustup self update

echo '*** adding armv7 to rust target ***'
rustup target add armv7-unknown-linux-gnueabihf

echo '*** installing cross-compiling toolchain and headers ***'
sudo dnf install gcc-arm-linux-gnu glibc-arm-linux-gnu

echo '*** adding cross-linker to rust config ***'
echo [target.armv7-unknown-linux-gnueabihf] >> .cargo/config
echo linker = \"arm-linux-gnueabihf-gcc\" >> .cargo/config