How to test for a D-Bus run-time dependency?

[Sune Vuorela]

On 2010-08-17, Friedrich W. H. Kossebau <kossebau at kde.org> wrote:
> So what could I do to test at build-time the correct version of cagibi, so 
> cagibi can be listed as usual as (missing) dependency?

In general, you should not fail nor 'not install' things based on which
runtime component that aren't available in the build environment.

giving a non fatal warning "Foo not found, but is recommended at
runtime"

> Is there some similar case of a run-time-only (D-Bus) dependency?

iirc, the kajonggh python game does this, along with other python stuff.

/Sune