Remove expired ports:

2020-01-10 astro/viking: Depends on broken and expiring graphics/mapnik
2020-01-10 audio/slv2: Broken for more than 5 months
2020-01-10 audio/triceratops-lv2: Broken for more than 5 months
2020-01-10 cad/brickutils: Broken for more than 3 months, unmaintained
2020-01-10 deskutils/zanshin: Broken for more than 5 months
2020-01-10 devel/elixir-gen_state_machine: Broken for more than 6 months
2020-01-10 devel/elixir-swarm: Depends on broken and expiring
devel/elixir-gen_state_machine
2020-01-10 devel/erlang-clique: Depends on broken and expiring
devel/erlang-cuttlefish
2020-01-10 devel/erlang-gen_rpc: Broken for more than 6 months
2020-01-10 devel/erlang-msgpack: Broken for more than 6 months
2020-01-10 devel/ocaml-deriving-ocsigen: Broken for more than 6 months
2020-01-10 devel/p5-rpm-build-perl: Broken for more than 7 months
2020-01-10 devel/shedskin: Broken for more than 3 months, unmaintained

Deprecate ports broken for too long

Mark BROKEN: fails to configure

Checking for lv2core >= 1.0                 : Package 'lv2core' was not found

Reported by:	pkg-fallout
MFH:		2019Q3

audio/lv2core: deprecate in favor of audio/lv2 (try#2)

- Switch existing consumers to audio/lv2

PR:		197126, 213285 (for tracking)

audio/lv2core: backout r425367 to re-land cleanly

audio/slv2: drop hack unnecessary after r425366

audio/lv2core: deprecate in favor of audio/lv2

- Switch existing consumers to audio/lv2

PR:		197126, 213285 (for tracking)

- Switch waf to verbose builds as well

Approved by:	portmgr (mat)
Differential Revision:	D8240

Remove ${PORTSDIR}/ from dependencies, Mk and categories a, b, and c.

With hat:	portmgr
Sponsored by:	Absolight

Convert LICENSE= "GPLxx # or later" to "GPLxx+"

Approved by:	portmgr blanket

- Strip library

Add a new USES=waf to handle the waf building system, allowing to factorise code
Plug waf into MAKE_CMD and CONFIGURE_CMD so the regular defined targets can be
reused

Always define _MAKE_JOBS so that when bsd.port.mk will stop overwritting
_MAKE_JOBS when parallel jobs are disabled we can enforce -j1 (which is needed
to really disable parallelisation with waf

WAF_CMD has been created to allow one to override the location of the waf script
relatively to WRKSRC

CONFIGURE_TARGET is by default defined to "configure"
ALL_TARGET is by default defined to "build"
INSTALL_TARGET is by default defined to "install"

USES=waf is by default stagedir safe

audio/slv2: Set the make environment on the do-build target

While here, unmask all the build and install commands.

Cleanup plist

- Convert ports from audio/ to new USES=python

Reviewed by:	portmgr (implicit)

- Add staging support
- Convert to USES=tar:bzip2

- Fix the usage of 'python' to get rid of the implicit lang/python
  dependency
- Change LIB_DEPENDS to the new format

Add NO_STAGE all over the place in preparation for the staging support (cat:
audio)

- Remove MAKE_JOBS_SAFE variable

Approved by:	portmgr (bdrewery)

- When DISABLE_MAKE_JOBS or MAKE_JOBS_UNSAFE is set, also set
  MAKE_JOBS_NUMBER to 1. This makes it safe to do -j${MAKE_JOBS_NUMBER}
  without any extra logic.
- Cleanup ports working around the empty MAKE_JOBS_NUMBER
- This also fixes several ports that were expecting MAKE_JOBS_NUMBER
  to always have a number

Reviewed by:	bapt
Spotted by:	John Marino <draco@marino.st>
With hat:	portmgr

Convert USE_PKGCONFIG -> USES=pkgconf for audio category

new devel/pkgconf added to replace devel/pkg-config. new version of pkg-config
are no more self hosting so we are stuck with 0.25 version while pkgconf provide
the same set of features as 0.27 and a compatible frontend. A symlink to
pkg-config has been added for convenience and compatibility

This also introduces a new macro to use pkgconf in your ports:
USE_PKGCONFIG

it can take the following arguments:
 - yes (meaning build only dep)
 - build (meaning build only dep)
 - run (meaning run only dep)
 - both (meaning run and build dep)

From now USE_GNOME= pkgconfig is deprecated in favour of USE_PKGCONFIG
The old gnome macro has been modified to use pkgconf but still the sameway: run
and build dep to avoid large breakage.

While here fix some ports relying on pkg-config but not specifying it, fix some
ports broken because testing wrong .pc files, and fix ports using pkg-config
--version to determine pkg-config version instead of
pkg-config --modversion pkg-config like recommanded by pkg-config

With Hat:	portmgr
Exp-runs by:	bapt (pointhat-west), beat (pointyhat)

For the ports that are maintained by ports@ that have pkgconfig as their
only USE_GNOME feature, convert to a BUILD_DEPENDS. This avoids both the
bug of the bogus run depend introduced by bsd.gnome.mk, and also avoids
needlessly pulling that file in.

- Update to 0.6.6

PR:             ports/160081
Submitted by:   KATO Tsuguru <tkato432@yahoo.com>

reset maintainer

Submitted by:   maintainer (by mail)

- Get Rid MD5 support

- Add forgotten USE_LDCONFIG

SLV2 is a library to make the use of LV2 plugins as simple as
possible for applications.

WWW: http://drobilla.net/software/slv2/

PR:             129158
Submitted by:   xaimus <xaimus at gmail dot com>