This is the same issue as bug #1093204.
gupnp-av should come with gupnp-av-1.0.deps and gupnp-av-1.0.vapi.
gupnp-dlna should come with gupnp-dlna-2.0.deps and vapi, plus gupnp-dlna-gst-2.0.deps and vapi.
All of these files go in /usr/share/vala/vapi
These files are needed to build Rygel for example.
gupnp-av-0.12.6-5.fc21,gupnp-dlna-0.10.2-6.fc21 has been submitted as an update for Fedora 21.
Package gupnp-av-0.12.6-5.fc21, gupnp-dlna-0.10.2-6.fc21:
* should fix your issue,
* was pushed to the Fedora 21 testing repository,
* should be available at your local mirror within two days.
Update it with:
# su -c 'yum update --enablerepo=updates-testing gupnp-av-0.12.6-5.fc21 gupnp-dlna-0.10.2-6.fc21'
as soon as you are able to.
Please go to the following url:
then log in and leave karma (feedback).
I would test this, but I'm on Fedora 20.. :\
gupnp-av-0.12.6-5.fc21, gupnp-dlna-0.10.2-6.fc21 has been pushed to the Fedora 21 stable repository. If problems still persist, please make note of it in this bug report.