solana-svm 2.0.25

Solana SVM
Documentation 
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extern crate rustc_version;
use rustc_version::{version_meta, Channel};

fn main() {
    // Copied and adapted from
    // https://github.com/Kimundi/rustc-version-rs/blob/1d692a965f4e48a8cb72e82cda953107c0d22f47/README.md#example
    // Licensed under Apache-2.0 + MIT
    match version_meta().unwrap().channel {
        Channel::Stable => {
            println!("cargo:rustc-cfg=RUSTC_WITHOUT_SPECIALIZATION");
        }
        Channel::Beta => {
            println!("cargo:rustc-cfg=RUSTC_WITHOUT_SPECIALIZATION");
        }
        Channel::Nightly => {
            println!("cargo:rustc-cfg=RUSTC_WITH_SPECIALIZATION");
        }
        Channel::Dev => {
            println!("cargo:rustc-cfg=RUSTC_WITH_SPECIALIZATION");
        }
    }

    let proto_base_path = std::path::PathBuf::from("proto");
    let protos = ["context.proto", "invoke.proto", "sysvar.proto", "txn.proto"];
    let protos_path: Vec<_> = protos
        .iter()
        .map(|name| proto_base_path.join(name))
        .collect();

    protos_path
        .iter()
        .for_each(|proto| println!("cargo:rerun-if-changed={}", proto.display()));

    prost_build::compile_protos(protos_path.as_ref(), &[proto_base_path])
        .expect("Failed to compile protobuf files");
}