devel/onetbb: Update to 2021.9.0

and bump dependent ports' revisions.

Release notes: https://github.com/oneapi-src/oneTBB/releases/tag/v2021.9.0

*: Bump PORTREVISIONs for math/mpc update to 1.3.1

devel/onetbb: Update to 2021.8.0

Also:
- bump dependent ports' revisions
- fix build when WITH_DEBUG is set

Release notes: https://github.com/oneapi-src/oneTBB/releases/tag/v2021.8.0

devel/onetbb: Update to 2021.7.0

and bump dependent ports' revisions.

Release notes:
https://github.com/oneapi-src/oneTBB/blob/v2021.7.0/RELEASE_NOTES.md

devel/onetbb: Update to 2021.6.0

and bump dependent ports' revisions.

Release notes:
https://github.com/oneapi-src/oneTBB/blob/v2021.6.0/RELEASE_NOTES.md

Remove WWW entries moved into port Makefiles

Commit b7f05445c00f has added WWW entries to port Makefiles based on
WWW: lines in pkg-descr files.

This commit removes the WWW: lines of moved-over URLs from these
pkg-descr files.

Approved by:		portmgr (tcberner)

Add WWW entries to port Makefiles

It has been common practice to have one or more URLs at the end of the
ports' pkg-descr files, one per line and prefixed with "WWW:". These
URLs should point at a project website or other relevant resources.

Access to these URLs required processing of the pkg-descr files, and
they have often become stale over time. If more than one such URL was
present in a pkg-descr file, only the first one was tarnsfered into
the port INDEX, but for many ports only the last line did contain the
port specific URL to further information.

There have been several proposals to make a project URL available as
a macro in the ports' Makefiles, over time.

math/dune-alugrid: Update 2.8.0rc1 -> 2.8.0

math/dune-alugrid: fix build on ARM / POWER

/wrkdirs/usr/ports/math/dune-alugrid/work/dune-alugrid-08c6496d4d4a33df6456c3b402182f353dc2e76d/dune/alugrid/impl/serial/walk.h:873:52:
error: constant expression evaluates to -127 which cannot be narrowed to type
'char' [-Wc++11-narrowing]
    std::string msg
{{97,120,126,42,107,125,112,44,-127,-128,118,124,117,47,83,101,94,86,62,83,94,104,90,-122,125,121,65,54,-122,-125,124,121,-117,126,57,126,-119,-119,66,-112,60,-125,-116,-112,-123,-124,-109,64,-108,-112,65,-123,-117,-105,-120,68,-104,-115,-118,70,-106,-120,-105,-115,-102,99,51,107,-106,-106,-116,-111,-103,-99,-110,-96,90,79,115,-107,-108,-97,-106,-92,94,83,126,-96,-93,-102,-101,-95,-91,-87,-91,100,88,-121,-88,-90,-82,-96,105,92,-112,-91,-94,94,-126,-108,-115,-123,109,-126,-115,-105,-119,-75,-84,-88,100,-110,-76,-86,-69,-77,-84,116,104,123,121,123,-128,121,85}};

devel/onetbb: Update to 2021.5.0

and bump dependent ports' revisions

devel/onetbb: Update to 2021.4.0

Release notes:
https://software.intel.com/content/www/us/en/develop/articles/intel-oneapi-threading-building-blocks-release-notes.html

math/dune-alugrid: Update 2.6.0 -> 2.8.0rc1

Regenerate all distfiles using gitlab as source.

This regeneration is required as the new gitlab version changed
the address and the directory the source files can be downloaded.

This commit also applies some small fixes to make sure all ports using
gitlab are buildable.

Reviewed by:	mat
Approved by:	portmgr
Differential Revision:	https://reviews.freebsd.org/D29628

One more small cleanup, forgotten yesterday.
Reported by:	lwhsu

Remove # $FreeBSD$ from Makefiles.

- Update net/openmpi to 4.0.3 (openmpi 1 is deprecated)
- Remove option for net/openmpi2 from science/pnetcdf (net/openmpi2 is
deprecated and will be removed)
- Fix science/gromacs plist when MPI option is enabled
- Bump PORTREVISION for all the consumers of net/openmpi

math/dune-*: Remove GL_ACCOUNT duplications

Reported by:	0mp

New port: math/dune-alugrid: DUNE framework: grid implementation providing
simplex or cube grids