calculate-overlay/profiles/default/package.mask

sci-libs/blas-reference
sci-libs/cblas-reference
sci-libs/lapack-reference

# deprecated
sys-process/vixie-cron

# mask portage wgetpaste
>app-text/wgetpaste-2.25-r4

# prevent automagic depends
sys-libs/db:6.0

# don't compile
=app-text/kjots-5.0.2-r1
=dev-python/pyxattr-0.7.1

# not all packages are still compatible
=dev-lang/erlang-23.0
=dev-lang/erlang-23.0.1

=net-dns/bind-9.14.12

=dev-python/PyQt5-5.14.2-r1
=dev-python/PyQt5-sip-4.19.22-r1
=dev-python/PyQt5-sip-4.19.22-r1