- remove the old LGPL license headers from all files in Spack - add SPDX headers to all files - core and most packages are (Apache-2.0 OR MIT) - a very small number of remaining packages are LGPL-2.1-only
* metabat: Create new package * fix Perl script shebangs and BOOST_ROOT environment * add perl script fix function * add perl dependency and fix positional argument for Python 2.6