<<< metadata_duplicate_useflag_description >>>
  app-arch/libarchive|zlib:bzip2|mgorny@gentoo.org
<<< open bugs >>>
  https://bugs.gentoo.org/648378 app-arch/libarchive[lz4]_and_dev-util/cmake_circular_build_dependency
  https://bugs.gentoo.org/675794 =app-arch/libarchive-3.3.3_fails_bootstrap,_./libtool_prints_&quot;can't_find:_dsymutil&quot;_and_$EPREFIX/tmp/usr/x86_64-apple-darwin18/binutils-bin/8.2.1/ranlib_prints_&quot;(libarchive_fe_la-err.o)_malformed_object&quot;
  https://bugs.gentoo.org/702582 app-arch/libarchive-3.4.0_fails_to_handle_some_sparse_files
  https://bugs.gentoo.org/465414 sys-apps/portage:_app-arch/libarchive_-_dependency_conflict_(subslot_related?)
  https://bugs.gentoo.org/598806 sys-apps/sandbox:_More_issues_with_long_paths_(was:_app-arch/libarchive-3.2.2)