MySQL Bugs: #84501: Backport support for newer libedit to MySQL 5.6

Bug #84501	Backport support for newer libedit to MySQL 5.6
Submitted:	13 Jan 2017 11:47	Modified:	20 Jan 2017 3:14
Reporter:	Terje Røsten	Email Updates:
Status:	Closed	Impact on me:	None
Category:	MySQL Server: Compiling	Severity:	S3 (Non-critical)
Version:	5.6.35	OS:	Any
Assigned to:	Jon Olav Hauglid	CPU Architecture:	Any

Description:
Please backport

Bug#23708332: -DWITH_EDITLINE=SYSTEM BREAKS WITH LIBEDIT-20160618-3.1

Add CMake check for the new editline completion API
and based on the result, use already existing code
for it in the mysql client.

https://github.com/mysql/mysql-server/commit/76296545b11db55613e57237c09fe6cc117933f9#diff...

to MySQL 5.6. 

It's needed in Debian:

  https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=851156

How to repeat:
Build MySQL 5.6 with option -DWITH_EDITLINE=system on system with newer libedit.

Suggested fix:
Apply fix from MySQL 5.7.

Posted by developer:
 
Noted in 5.6.36 changelog.

The -DWITH_EDITLINE=system CMake option failed with recent versions
of the editline library.