devel/bear4.2.2_1

Correction to r473019: Revert the unintended change to the 'Created by' headers.

Reset MAINTAINER on ports maintained by amutu@amutu.com

Based on the new policy of all maintained ports reset
when maintaner is absent for 3 months.

Bug#226400 for science/py-tensorflow is ignored since 2018-03-06 (3+ months).
portscout database indicates that 48.94% of his ports aren't updated.

Simplify some USES=python

With hat:	portmgr

New port: devel/bear

Bear is a tool that generates a compilation database for clang
tooling. The JSON compilation database is used in the clang project
to provide information on how a single compilation unit is processed.
With this, it is easy to re-run the compilation with alternate
programs. One way to get a compilation database is to use cmake as
the build tool. Passing -DCMAKE_EXPORT_COMPILE_COMMANDS=ON to cmake
generates the compile_commands.json file into the current directory.
For non-cmake projects, Bear generates the JSON file during the
build process.

The concept behind Bear is: to execute the original build command
and intercept the exec calls issued by the build tool. To achieve
that, Bear uses the LD_PRELOAD or DYLD_INSERT_LIBRARIES mechanisms
provided by the dynamic linker.

WWW: https://github.com/rizsotto/Bear

PR:		220475
Submitted by:	Jov <amutu@amutu.com>

Sorting out some Erlang stuff:

- Rename a few Erlang-related ports using the erlang- prefix; it will avoid
  confusion with elixir- ports.
- Remove DOCS and EXAMPLES where not actually useful.
- Simplify RUN_DEPENDS where possible.
- Move textproc/exmpp to devel/erlang-exmpp.
- Add missing R18 compatibility fix for devel/erlang-oserl.
- Upgrade erlang-cuttlefish to 2.0.3.

The idea is that libraries ("deps") have the "erlang-" prefix, while larger
projects (rabbitmq, yaws, couchdb, etc) keep their usual names.

Add devel/bear, a set of statistics functions for Erlang.