Re: Issue 5628: fix warnings compiling flower unit tests (issue 545320043 by address@hidden)

[lemzwerg]

> Last time I had a short look, it seems LilyPond is setting
> no -std= at all.  This basically means we get the compiler
> defaults, possibly changing with the next compiler release.
> I think we should actually pass in something to avoid
> problems right away (-std=c++11 or =gnu++11 ?).

Good idea.  In case you have time please try it, please check whether it
works.  You have removed the biggest conformance obstacle already, so I
don't expect big difficulties.

https://codereview.appspot.com/545320043/