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fn main() {
check_features();
}
fn check_features() {
// The pkg-config file defines a `targets` variable listing the
// various backends that gdk (yes, gdk) was compiled for.
// We extract that and create gdk_backend="x11" and the like
// as configuration variables.
// For reference, the backend set at time of writing consists of:
// x11 win32 quartz broadway wayland
if let Ok(targets) = pkg_config::get_variable("gtk+-3.0", "targets") {
for target in targets.split_whitespace() {
println!("cargo:rustc-cfg=gdk_backend=\"{}\"", target);
}
}
}
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