With API change in newer net-libs/miniupnpc, bitoin-qt failing to build with upnp USE enabled. There is upstream patch available. Same problem valid for net-p2p/litecoin-qt. Reproducible: Always Steps to Reproduce: 1. USE=upnp emerge bitcoin-qt 2. notice a build failure 3.
Created attachment 414890 [details] build.log
Created attachment 414892 [details, diff] upstream patch
See also bug 563390
this report is a duplicate then.
Then resolve it yourself as a duplicate and report your additional findings at the other bug. Thanks.
This is already fixed in tree as 0.11.2 and/or 0.12.0.