Merge conflicts between 9.18.30 and 9.20.4

- Create 3 new variables:
MAKELINKLIB that follows MKLINKLIB but can be overwritten by Makefiles
MAKESTATICLIB that follows MKSTATICLIB but can be overwritten by Makefiles
LINKINSTALL that foll

- Create 3 new variables:
MAKELINKLIB that follows MKLINKLIB but can be overwritten by Makefiles
MAKESTATICLIB that follows MKSTATICLIB but can be overwritten by Makefiles
LINKINSTALL that follows MAKELINKLIB but can be overwritten by Makefiles
These give enough control to the module Makefiles so that they don't need
to override the default library install rules which break the debug sets.
- Remove /usr/libexec/named which duplicated /usr/lib/named

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merge conflicts between 9.16.42 and 9.18.24

merge conflicts, adjust build.

put back the blacklistd integration that got lost in the bsd -> mpl move.

merge conflicts, bump versions, sync includes

merge conflicts, bump major, fix build.

merge conflicts, add build glue.