fetch $ZSTD_URL

sudo chroot "$SYSROOT" /usr/bin/env -i MAKEFLAGS="$MAKEFLAGS" PATH=/usr/bin:/usr/sbin SOURCES=/sources ZSTD_VERSION=$ZSTD_VERSION /usr/bin/bash <<- "EOF"
	set -euo pipefail

	cd "$SOURCES" && tar xf zstd-$ZSTD_VERSION.tar.gz && cd zstd-$ZSTD_VERSION
	
	make prefix=/usr
	make prefix=/usr install

	rm /usr/lib/libzstd.a

	cd "$SOURCES" && rm -rf zstd-$ZSTD_VERSION
EOF