[PATCH 1/2] Bump to autoconf 2.69 and automake 1.15.1

[Joseph Myers]

On Fri, 15 Jun 2018, Simon Marchi wrote:

> - include: I'll need more precise guidance on how to sync

If a file in include/ is present in both trees (apart from ChangeLogs), it 
should also have the same contents.  However, each tree has some headers 
of its own in include/ and there's no need to copy such headers from one 
tree to the other.

-- 
Joseph S. Myers
joseph@codesourcery.com