Disclaimer: this bug has been filed in a semi-automated manner.
When emerging the package media-sound/pulseaudio-1.1-r1, the following elog messages are displayed:
* The Bluetooth proximity module is not enabled in the default
* configuration file. If you do enable it, you'll have to have
* your Bluetooth controller enabled and inserted at bootup or
* PulseAudio will refuse to start.
Such messages should only be displayed when the package is a new install.
These situations can be checked in the ebuild as follows:
if ! has_version 'media-sound/pulseaudio'; then
See the tracker bug 440214 for more details.
Does this actually work in pkg_postinst?
Done in 4.99.4