Build dependency on external cppunit

[Richard Cochran]

On Fri, May 08, 2015 at 07:07:01PM +0200, Miklos Vajna wrote:
> What's your cross-compilation target?

x86_64

> http://tinderbox.libreoffice.org/MASTER/status.html says that the
> Android and iOS cross-compilation targets work fine (those columns are
> green), as far as I see.

That doesn't surprise me.  The makefiles for the externals are full of
special cases for those two targets.

What is lacking is any kind of general cross compilation concept.

(I am not saying there should be one though, just stating a fact.)

Thanks,
Richard