cargo-audit : Audit Cargo.lock for crates with security vulnerabilities ( https://rustsec.org https://github.com/rustsec/cargo-audit )
cargo-c : Helper program to build and install c-like libraries ( https://github.com/lu-zero/cargo-c )
cargo-ebuild : Generates an ebuild for a package using the in-tree eclasses. ( https://github.com/gentoo/cargo-ebuild )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a libressl
For Paludis use this rsync : rsync://gentoo.zugaina.org/libressl-portage
If you have a problem : ycarus(-at-)zugaina.org