Create a directory for the CLFS build. The exact location is up to you but depending on the location you choose, you may need to do this as the root user:
sudo mkdir -p /mnt/clfs
Assign it to the CLFS environment
variable:
export CLFS=/mnt/clfs
Ensure that this new directory has permissions that are not too
restrictive such that you can write to it as a non-root user.
Depending on the location of the CLFS
directory, you may need to do this as the root user:
sudo chmod 777 ${CLFS}
Downloaded packages and patches will need to be stored somewhere that
is conveniently available throughout the entire build. A working
directory is also required to unpack the sources and build them.
${CLFS}/sources can be used both as the
place to store the tarballs and patches and as a working directory.
Create a directory to store the sources:
mkdir -v ${CLFS}/sources