calculate-overlay/profiles/default/package.mask

# block lapack
=sci-libs/lapack-3.8.0
=virtual/blas-3.8
=virtual/lapack-3.8

# deprecated
sys-process/vixie-cron

# locks in dependencies
=app-misc/graphlcd-base-1.0.2
=app-misc/glcdprocdriver-0.1.2
=dev-python/dnspython-1.16.0
=dev-libs/openssl-compat-1.0.2t-r1

# block with perl-core/File-Path-2.150.0
~virtual/perl-File-Path-2.150.0

# crash cinnamon-settings
=dev-python/pillow-6.0.0
=dev-python/pillow-5.4.1

=dev-python/keyring-18.0.1

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

# prevent automagic depends
sys-libs/db:6.0

# not compiled
=app-emacs/ecb-2.50_pre20170728
=dev-php/ming-php-0.4.8
=net-irc/inspircd-3.2.0
=net-news/snownews-1.6.10
=sci-mathematics/alt-ergo-2.3.0

# not compiled dev-java/netbeans-ide-8.2-r1 with dev-java/ant-core-1.10.5
~dev-java/ant-1.10.5
~dev-java/ant-antlr-1.10.5
~dev-java/ant-apache-bcel-1.10.5
~dev-java/ant-apache-bsf-1.10.5
~dev-java/ant-apache-log4j-1.10.5
~dev-java/ant-apache-oro-1.10.5
~dev-java/ant-apache-regexp-1.10.5
~dev-java/ant-apache-resolver-1.10.5
~dev-java/ant-apache-xalan2-1.10.5
~dev-java/ant-commons-logging-1.10.5
~dev-java/ant-commons-net-1.10.5
~dev-java/ant-core-1.10.5
~dev-java/ant-jai-1.10.5
~dev-java/ant-javamail-1.10.5
~dev-java/ant-jdepend-1.10.5
~dev-java/ant-jmf-1.10.5
~dev-java/ant-jsch-1.10.5
~dev-java/ant-junit-1.10.5
~dev-java/ant-junit4-1.10.5
~dev-java/ant-junitlauncher-1.10.5
~dev-java/ant-swing-1.10.5
~dev-java/ant-testutil-1.10.5