Cargo Features

[dependencies]
sqlite3-sys = { version = "0.15.2", default-features = false, features = ["bundled", "linkage"] }
default = linkage

The linkage feature is set by default whenever sqlite3-sys is added without default-features = false somewhere in the dependency tree.

bundled

Enables bundled of sqlite3-src

linkage default = sqlite3-src

Features from optional dependencies

In crates that don't use the dep: syntax, optional dependencies automatically become Cargo features.

sqlite3-src linkage