- Emscripten is neither packaged in ::gentoo nor in ::guru.
- The build system unconditionally builds a static library.
Upstream argues that the BPG decoding library API is not stable yet
and does not provide a shared library (yet).
Let's ship the already available static library then.
- Enable fast x265 as a sensible default for the BPG encoder instead
of setting REQUIRED_USE="|| ( x265 jctcv )".
Signed-off-by: Lucio Sauer <watermanpaint@posteo.net>