Hi Guix,

attached is a patch to add the waf build system.  Although waf is called
a meta build system, most applications that I've encountered so far (all
related to audio) have the standard build phases as the GNU build
system.

The waf build system is embarrassingly similar to the Python build
system.  Essentially, the phases are run by executing

    python waf $PHASE

instead of

    python setup.py $PHASE

Unlike the Python build system, however, there is a configure phase, and
not everything important happens during the install phase.

I'm using the waf-build-system for packaging LV2, Ardour, JACK2, and
related libraries.

~~ Ricardo