#!/bin/sh
set -eu

export MAKEFLAGS="-j${NPROC:-$(nproc)}"

version_go=1.22.0  # https://golang.org/dl/
version_go21=1.21.7
version_go19=1.19.13

[ ! -d build/install-go1.4 ] && ./build_bootstrap.sh
[ ! -d build/install-go1.19 ] && ./build_go.sh 1.4 1.19 "$version_go19"
[ ! -d build/install-go1.21 ] && ./build_go.sh 1.19 1.21 "$version_go21"
[ ! -d build/install-go ] && ./build_go.sh 1.21 '' "$version_go"