#!/bin/sh
set -eu

export MAKEFLAGS="-j${NPROC:-$(nproc)}"
export CFLAGS='-w'
export CXXFLAGS="$CFLAGS"

version_mrustc=0.9
version_mrustc_rust=1.29.0
versions_llvm='7.1.0 10.0.1'
versions_rustc='1.30.1 1.31.1 1.32.0 1.33.0 1.34.2 1.35.0 1.36.0 1.37.0 1.38.0 1.39.0 1.40.0 1.41.1 1.42.0 1.43.1 1.44.1 1.45.2 1.46.0 1.47.0'

[ ! -d build/install-rustc-$version_mrustc_rust ] && ./build_mrustc.sh
# Save a ton of space by deleting the source
rm -rf build/mrustc-$version_mrustc

for version in $versions_llvm; do
    [ ! -d build/install-llvm-$version ] && ./build_llvm.sh $version
    # Save a ton of space by deleting the source
    rm -rf build/llvm-$version.src
done

last_version=$version_mrustc_rust
for version in $versions_rustc; do
    case "$version" in
    1.3[0-9].*|1.4[0-3].*)
        version_llvm=7.1.0 ;;
    1.4[4-7].*|*)
        version_llvm=10.0.1 ;;
    esac
    [ ! -e build/install-rustc-$version/bin/cargo ] && ./build_rust.sh $last_version $version $version_llvm
    # Save a ton of space by deleting the source
    rm -rf build/rustc-$version-src
    last_version=$version
done