#[cfg(feature = "glfw-sys")]
#[link(name = "glfw3", kind = "static")]
extern "C" {}
#[cfg(not(feature = "glfw-sys"))]
#[cfg(target_family = "unix")]
#[link(name = "glfw")]
extern "C" {}
#[cfg(not(feature = "glfw-sys"))]
#[cfg(target_family = "windows")]
#[link(name = "glfw3")]
extern "C" {}
#[cfg(target_os = "windows")]
#[link(name = "opengl32")]
#[link(name = "gdi32")]
#[link(name = "user32")]
#[link(name = "shell32")]
extern "C" {}
#[cfg(any(target_os = "linux", target_os = "freebsd", target_os = "dragonfly"))]
#[link(name = "X11")]
extern "C" {}
#[cfg(target_os = "macos")]
#[link(name = "Cocoa", kind = "framework")]
#[link(name = "OpenGL", kind = "framework")]
#[link(name = "IOKit", kind = "framework")]
#[link(name = "CoreFoundation", kind = "framework")]
#[link(name = "QuartzCore", kind = "framework")]
extern "C" {}