[ 16:00 fluffy  ]

• 519153 databases/percona57-client/Makefile
• 519153 databases/percona57-client/files/patch-scripts_CMakeLists.txt
• 519153 databases/percona57-client/pkg-plist
• 519153 databases/percona57-server/Makefile
• 519153 databases/percona57-server/distinfo
• 519153 databases/percona57-server/files/extrapatch-tokudb
• 519153 databases/percona57-server/files/patch-mysys__ssl_my__crypt.cc
• 519153 databases/percona57-server/files/patch-scripts_CMakeLists.txt
• 519153 databases/percona57-server/files/patch-sql_auth_sha2__password__common.cc
• 519153 databases/percona57-server/files/patch-sql_mysqld.cc

databases/percona57-{server,client} update to 5.7.27-30 release

percona57-client:
- Install compat pkgconfig symlink as well as it done for libs
(many packages still search for mysqlclient.pc only)

percona57-server:
- Proper use system lz4/zstd libs for rocksdb engine
- Declare system libevent to use instead of bundled one
- Stop pollute libdata/pkgconfig dir with unneeded .pc file
- Unbreak build with DEFAULT_VERSIONS+=ssl=libressl

PR:		239347
Submitted by:	fluffy [cleanups], Igor Zabelin [update]
Approved by:	maintainer (timeout, >3 months)