Doesn't build against LibreSSL, but the nice OpenBSD people have a patch ...

[DrHyde]

The OpenBSD project's patch is here: https://raw.githubusercontent.com/openbsd/ports/master/security/p5-Net-SSLeay/patches/patch-SSLeay_xs

[h-vn]

Thanks for the patch link. The EVP_add_digest is already in, and the future proofing accessor functions will go in too.