libvpx build on 8.4R amd64, 9.3R i386, 10.1R amd64, 10.1R i386, 11.0C i386.
libvpx build on 8.4R amd64 and 10.1R i386 with inversed options.
libvpx build on 11.0C amd64 (tainted) with gcc5/libc++.
libvpx build on 11.0C amd64 (tainted) with zsh -> bash symlink under PATH.
www/firefox, multimedia/ffmpeg26 (via mpv) runtime against libvpx 1.4.0 with VP9 video.
Not much else i.e., the following risks are ignored for being [hard to test]:
- [exp-run] API breakage (removed symbols)
- [exp-run] overlinking or ports with underspecified dependencies
- [diverse environments] runtime regressions on some architectures, toolchains, optimizations
- [luck] dlopen quirks such as using bundled headers for system library