libdisplay-info-sys 0.2.1

Low-level bindings for libdisplay-info.
Documentation 
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fn main() {
    if std::env::var("DOCS_RS").is_ok() {
        // don't link against unavailable native lib in doc.rs builds and
        // just assume the highest version is available
        println!("cargo:rustc-cfg=feature=\"v0_2\"");
        return;
    }

    let deps = system_deps::Config::new().probe().unwrap();
    let native_lib = deps.get_by_name("libdisplay-info").unwrap();
    let native_version = semver::Version::parse(&native_lib.version).unwrap();
    let has_v2 = semver::VersionReq::parse(">=0.2")
        .unwrap()
        .matches(&native_version);
    if has_v2 {
        println!("cargo:rustc-cfg=feature=\"v0_2\"");
    }
}