RPI-B cmake "Cannot find a C++ compiler that supports both C++11 and the specified C++ flags"

[Scott]

On Mon, Sep 16, 2019 at 09:00:32AM -0600, Ian Lepore wrote:
> On Sun, 2019-09-15 at 22:17 +1000, Scott wrote:
> > Hi,
> > 
> > as per the thread title, I cannot compile cmake on FreeBSD 12.1-
> > PRERELEASE 
> > r351916 RPI-B arm.
> > 
> > I'm trying to compile graphics/sane-backends which of course requires
> > cmake.
> > 
> > Is anyone aware of a workaround?
> > 
> > 
> 
> I built cmake (and all the things it depends on) from scratch using
> 12.1-PRELEASE @ r352356 on a Wandboard (armv7); no problems.
> 
> You mentioned using an Rpi-B... maybe the problem is specific to armv6.
> I have an old rpi-b somewhere, but given how long it took a wandboard
> to build cmake yesterday (many hours), I can only imagine it would take
> days to get to the failure point on an rpi-b.  (I.e., I'm not even
> going to try.)
> 
> -- Ian
>
I went into devel/cmake and did a make clean then a make and (many hours 
later) oddly enough it compiled.

So, problem solved.  Ish.

Scott