i2pd (2.10.1) fails to compile when bindist flag is enabled for openssl. It should instead refuse to build.
Thank you for the bug report. I confirm it. It looks like i2pd uses elliptic curves, which may be protected by patterns, and are disabled in openssl[bindist]. I created a pull request https://github.com/gentoo/gentoo/pull/2870
*patents
patch looks good to me. pushed.