Cargo Features

epics-ca-sys has no features set by default.

[dependencies]
epics-ca-sys = { version = "0.1.1", features = ["test"] }
test = cc

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.

cc build test?