Require Soprano for kdelibs

[Christoph Feck]

Am Thursday 06 August 2009 10:23:52 schrieb Volker Krause:
> However, experience with that in KDE PIM (eg. cyrus-sasl for various mail
> server authentication methods, to name just one example) shows that this
> can cause considerable support load since not everyone pays attention to
> the CMake output regarding the effects of missing dependencies.

Would it be possible to have it required by default, but still possible to 
disable it using some "-DNO_SOPRANO" cmake flag? So unless you pass that 
flag, the cmake will error out, but who really knows what he does can disable 
the dependency.

Christoph