Cargo Features

krb5-src has no features set by default.

[dependencies]
krb5-src = { version = "0.3.4", features = ["binaries", "nls", "openssl-vendored"] }
binaries
nls
openssl-vendored

Enables vendored of openssl-sys

Features from optional dependencies

In crates that don't use the dep: syntax, optional dependencies automatically become Cargo features. These features may have been created by mistake, and this functionality may be removed in the future.

openssl-sys openssl-vendored?