x11-dl 2.21.0

X11 library bindings for Rust
Documentation 
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// x11-rs: Rust bindings for X11 libraries
// The X11 libraries are available under the MIT license.
// These bindings are public domain.

extern crate pkg_config;

use std::env;
use std::fs::File;
use std::io::Write;
use std::path::Path;

fn main() {
    let libraries = [
        // lib           pkgconfig name
        ("xext", "xext"),
        ("gl", "gl"),
        ("xcursor", "xcursor"),
        ("xxf86vm", "xxf86vm"),
        ("xft", "xft"),
        ("xinerama", "xinerama"),
        ("xi", "xi"),
        ("x11", "x11"),
        ("xlib_xcb", "x11-xcb"),
        ("xmu", "xmu"),
        ("xrandr", "xrandr"),
        ("xtst", "xtst"),
        ("xrender", "xrender"),
        ("xpresent", "xpresent"),
        ("xscrnsaver", "xscrnsaver"),
        ("xt", "xt"),
    ];

    let mut config = String::new();
    for &(lib, pcname) in libraries.iter() {
        let libdir = match pkg_config::get_variable(pcname, "libdir") {
            Ok(libdir) => format!("Some(\"{}\")", libdir),
            Err(_) => "None".to_string(),
        };
        config.push_str(&format!(
            "pub const {}: Option<&'static str> = {};\n",
            lib, libdir
        ));
    }
    let config = format!("pub mod config {{ pub mod libdir {{\n{}}}\n}}", config);
    let out_dir = env::var("OUT_DIR").unwrap();
    let dest_path = Path::new(&out_dir).join("config.rs");
    let mut f = File::create(&dest_path).unwrap();
    f.write_all(&config.into_bytes()).unwrap();

    let target = env::var("TARGET").unwrap();
    if target.contains("linux") {
        println!("cargo:rustc-link-lib=dl");
    } else if target.contains("freebsd") || target.contains("dragonfly") {
        println!("cargo:rustc-link-lib=c");
    }
}