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    // Copyright 2012-2015 The Rust Project Developers. See the COPYRIGHT
    // file at the top-level directory of this distribution and at
    // http://rust-lang.org/COPYRIGHT.
    //
    // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
    // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
    // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
    // option. This file may not be copied, modified, or distributed
    // except according to those terms.

    #[cfg(target_os = "linux")]
    pub mod os {
        pub const FAMILY: &'static str = "unix";
        pub const OS: &'static str = "linux";
        pub const DLL_PREFIX: &'static str = "lib";
        pub const DLL_SUFFIX: &'static str = ".so";
        pub const DLL_EXTENSION: &'static str = "so";
        pub const EXE_SUFFIX: &'static str = "";
        pub const EXE_EXTENSION: &'static str = "";
    }

    #[cfg(target_os = "macos")]
    pub mod os {
        pub const FAMILY: &'static str = "unix";
        pub const OS: &'static str = "macos";
        pub const DLL_PREFIX: &'static str = "lib";
        pub const DLL_SUFFIX: &'static str = ".dylib";
        pub const DLL_EXTENSION: &'static str = "dylib";
        pub const EXE_SUFFIX: &'static str = "";
        pub const EXE_EXTENSION: &'static str = "";
    }

    #[cfg(target_os = "ios")]
    pub mod os {
        pub const FAMILY: &'static str = "unix";
        pub const OS: &'static str = "ios";
        pub const DLL_PREFIX: &'static str = "lib";
        pub const DLL_SUFFIX: &'static str = ".dylib";
        pub const DLL_EXTENSION: &'static str = "dylib";
        pub const EXE_SUFFIX: &'static str = "";
        pub const EXE_EXTENSION: &'static str = "";
    }

    #[cfg(target_os = "freebsd")]
    pub mod os {
        pub const FAMILY: &'static str = "unix";
        pub const OS: &'static str = "freebsd";
        pub const DLL_PREFIX: &'static str = "lib";
        pub const DLL_SUFFIX: &'static str = ".so";
        pub const DLL_EXTENSION: &'static str = "so";
        pub const EXE_SUFFIX: &'static str = "";
        pub const EXE_EXTENSION: &'static str = "";
    }

    #[cfg(target_os = "dragonfly")]
    pub mod os {
        pub const FAMILY: &'static str = "unix";
        pub const OS: &'static str = "dragonfly";
        pub const DLL_PREFIX: &'static str = "lib";
        pub const DLL_SUFFIX: &'static str = ".so";
        pub const DLL_EXTENSION: &'static str = "so";
        pub const EXE_SUFFIX: &'static str = "";
        pub const EXE_EXTENSION: &'static str = "";
    }

    #[cfg(target_os = "bitrig")]
    pub mod os {
        pub const FAMILY: &'static str = "unix";
        pub const OS: &'static str = "bitrig";
        pub const DLL_PREFIX: &'static str = "lib";
        pub const DLL_SUFFIX: &'static str = ".so";
        pub const DLL_EXTENSION: &'static str = "so";
        pub const EXE_SUFFIX: &'static str = "";
        pub const EXE_EXTENSION: &'static str = "";
    }

    #[cfg(target_os = "netbsd")]
    pub mod os {
        pub const FAMILY: &'static str = "unix";
        pub const OS: &'static str = "netbsd";
        pub const DLL_PREFIX: &'static str = "lib";
        pub const DLL_SUFFIX: &'static str = ".so";
        pub const DLL_EXTENSION: &'static str = "so";
        pub const EXE_SUFFIX: &'static str = "";
        pub const EXE_EXTENSION: &'static str = "";
    }

    #[cfg(target_os = "openbsd")]
    pub mod os {
        pub const FAMILY: &'static str = "unix";
        pub const OS: &'static str = "openbsd";
        pub const DLL_PREFIX: &'static str = "lib";
        pub const DLL_SUFFIX: &'static str = ".so";
        pub const DLL_EXTENSION: &'static str = "so";
        pub const EXE_SUFFIX: &'static str = "";
        pub const EXE_EXTENSION: &'static str = "";
    }

    #[cfg(target_os = "android")]
    pub mod os {
        pub const FAMILY: &'static str = "unix";
        pub const OS: &'static str = "android";
        pub const DLL_PREFIX: &'static str = "lib";
        pub const DLL_SUFFIX: &'static str = ".so";
        pub const DLL_EXTENSION: &'static str = "so";
        pub const EXE_SUFFIX: &'static str = "";
        pub const EXE_EXTENSION: &'static str = "";
    }

    #[cfg(target_os = "solaris")]
    pub mod os {
        pub const FAMILY: &'static str = "unix";
        pub const OS: &'static str = "solaris";
        pub const DLL_PREFIX: &'static str = "lib";
        pub const DLL_SUFFIX: &'static str = ".so";
        pub const DLL_EXTENSION: &'static str = "so";
        pub const EXE_SUFFIX: &'static str = "";
        pub const EXE_EXTENSION: &'static str = "";
    }

    #[cfg(all(target_os = "nacl", not(target_arch = "le32")))]
    pub mod os {
        pub const FAMILY: &'static str = "unix";
        pub const OS: &'static str = "nacl";
        pub const DLL_PREFIX: &'static str = "lib";
        pub const DLL_SUFFIX: &'static str = ".so";
        pub const DLL_EXTENSION: &'static str = "so";
        pub const EXE_SUFFIX: &'static str = ".nexe";
        pub const EXE_EXTENSION: &'static str = "nexe";
    }
    #[cfg(all(target_os = "nacl", target_arch = "le32"))]
    pub mod os {
        pub const FAMILY: &'static str = "unix";
        pub const OS: &'static str = "pnacl";
        pub const DLL_PREFIX: &'static str = "lib";
        pub const DLL_SUFFIX: &'static str = ".pso";
        pub const DLL_EXTENSION: &'static str = "pso";
        pub const EXE_SUFFIX: &'static str = ".pexe";
        pub const EXE_EXTENSION: &'static str = "pexe";
    }

    #[cfg(target_os = "haiku")]
    pub mod os {
        pub const FAMILY: &'static str = "unix";
        pub const OS: &'static str = "haiku";
        pub const DLL_PREFIX: &'static str = "lib";
        pub const DLL_SUFFIX: &'static str = ".so";
        pub const DLL_EXTENSION: &'static str = "so";
        pub const EXE_SUFFIX: &'static str = "";
        pub const EXE_EXTENSION: &'static str = "";
    }

    #[cfg(all(target_os = "emscripten", target_arch = "asmjs"))]
    pub mod os {
        pub const FAMILY: &'static str = "unix";
        pub const OS: &'static str = "emscripten";
        pub const DLL_PREFIX: &'static str = "lib";
        pub const DLL_SUFFIX: &'static str = ".so";
        pub const DLL_EXTENSION: &'static str = "so";
        pub const EXE_SUFFIX: &'static str = ".js";
        pub const EXE_EXTENSION: &'static str = "js";
    }

    #[cfg(all(target_os = "emscripten", target_arch = "wasm32"))]
    pub mod os {
        pub const FAMILY: &'static str = "unix";
        pub const OS: &'static str = "emscripten";
        pub const DLL_PREFIX: &'static str = "lib";
        pub const DLL_SUFFIX: &'static str = ".so";
        pub const DLL_EXTENSION: &'static str = "so";
        pub const EXE_SUFFIX: &'static str = ".js";
        pub const EXE_EXTENSION: &'static str = "js";
    }

    #[cfg(target_os = "fuchsia")]
    pub mod os {
        pub const FAMILY: &'static str = "unix";
        pub const OS: &'static str = "fuchsia";
        pub const DLL_PREFIX: &'static str = "lib";
        pub const DLL_SUFFIX: &'static str = ".so";
        pub const DLL_EXTENSION: &'static str = "so";
        pub const EXE_SUFFIX: &'static str = "";
        pub const EXE_EXTENSION: &'static str = "";
    }

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