[COMMITTED PATCH] Avoid more C++ tests.

[Carlos O'Donell]

On 03/06/2015 03:57 AM, Andreas Schwab wrote:
> "Carlos O'Donell" <carlos@redhat.com> writes:
> 
>> Simlarly don't like. Would rather see the tests fail instead of
>> being elided. Thus `make check` executing to completion, and
>> representing the reality of your testing.
> 
> That won't work.  A build failure stops the summary from appearing.

Then you have to add dummy targets to make it build when C++ is not present.

Cheers,
Carlos.