Build of v4.0.x fails : freeradius-devel/io/ring_buffer.h: No such file or directory

[Matthew Newton]

On Fri, 2018-02-16 at 17:03 +0000, Chaigneau, Nicolas wrote:
> I have GNU Make 3.82
> 
> Still not working:
> 
> make
> CC jlibtool.c
> LN-SF src/include src/freeradius-devel
> LN-SF src/include/io src/freeradius-devel/io
> (...)

On a completely clean tree? e.g. `git clean -fdx` beforehand (this will
wipe away any local changes).

Most times I've seen issues like this are from building on one branch,
then switching to another branch and something has been left lying
around.

-- 
Matthew