MFH: r476016 r476944 r477036 r477063 r477105

databases/mysql80-client: Unbreak patching

Broken after patch(1) changes in r326084

PR: 228788
Submitted by: curtis@ipv6.occnc.com
Approved by: tcberner (mentor) mmokhi (maintainer)
Differential Revision: https://reviews.freebsd.org/D16532

databases/mysql80-{client, server}: Update ports to 8.0.12
This update includes Oracle Critical Patch Advisory published on July 2018
More info:
http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html#AppendixMSQL
Also:
Delete upstreamed hunks of patches.
Change local patches regarding upstream changes.

PR: 229861
Reported by: Markus Kohlmeyer <rootservice@gmail.com>
Sponsored by: The FreeBSD Foundation

databases/mysql80-server: Fix build on default Clang of 10.4-base
Add sse4.2 flag to CXXFLAGS on 10.4 case.
The build-script needs it when using intrin lib on crc32

Sponsored by: The FreeBSD Foundation

databases/mysql80-server: Use c++14-lang instead of msse-4.2 in CXXFLAG
As suggested via replies to r477036 using -msse-4.2 may break build on other
platforms.

Reported by: linimon danfe jbeich
Sponsored by: The FreeBSD Foundation

databases/mysql80-server: Delete no-longer-needed patch for sse4.2

Reported by: jbeich
Sponsored by: The FreeBSD Foundation

Approved by: ports-secteam (feld)