//! Build script for zakurad.
//!
//! Turns Zakura version information into build-time environmental variables,
//! so that it can be compiled into `zakurad`, and used in diagnostics.
//!
//! When compiling the `lightwalletd` gRPC tests, also builds a gRPC client
//! Rust API for `lightwalletd`.
/// Process entry point for `zakurad`'s build script.