Cargo Features

xml2-sys has no features set by default.

[dependencies]
xml2-sys = { version = "2.10.3-alpha", features = ["static", "bindings"] }
static = xml2-src
bindings

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.

xml2-src build static?