set -ex

url="https://github.com/crosstool-ng/crosstool-ng/archive/crosstool-ng-1.22.0.tar.gz"
curl -Lf $url | tar xzf -
cd crosstool-ng-crosstool-ng-1.22.0
./bootstrap
./configure --prefix=/usr/local
make -j$(nproc)
make install
cd ..
rm -rf crosstool-ng-crosstool-ng-1.22.0