mk_source_dir $SOURCE_DIRECTORY &&
cd $BUILD_DIRECTORY &&
verify_file '' &&
xz -dc $SOURCE_CACHE/$SOURCE | tar -xf -

cd "$SOURCE_DIRECTORY" &&

patch -p0 < "$SPELL_DIRECTORY/headers.patch" &&

if [[ $SMACK == y ]]; then
  patch -p1 < "$SPELL_DIRECTORY/coreutils-smack.patch"
fi
