[rustc.git] / vendor / autocfg / examples / paths.rs

extern crate autocfg;

fn main() {
    // Normally, cargo will set `OUT_DIR` for build scripts.
    let ac = autocfg::AutoCfg::with_dir("target").unwrap();

    // since ancient times...
    ac.emit_has_path("std::vec::Vec");
    ac.emit_path_cfg("std::vec::Vec", "has_vec");

    // rustc 1.10.0
    ac.emit_has_path("std::panic::PanicInfo");
    ac.emit_path_cfg("std::panic::PanicInfo", "has_panic_info");

    // rustc 1.20.0
    ac.emit_has_path("std::mem::ManuallyDrop");
    ac.emit_path_cfg("std::mem::ManuallyDrop", "has_manually_drop");

    // rustc 1.25.0
    ac.emit_has_path("std::ptr::NonNull");
    ac.emit_path_cfg("std::ptr::NonNull", "has_non_null");
}
Commit	Line	Data
dc9dc135 XL	1	extern crate autocfg;
	2
	3	fn main() {
	4	// Normally, cargo will set `OUT_DIR` for build scripts.
	5	let ac = autocfg::AutoCfg::with_dir("target").unwrap();
	6
	7	// since ancient times...
	8	ac.emit_has_path("std::vec::Vec");
	9	ac.emit_path_cfg("std::vec::Vec", "has_vec");
	10
	11	// rustc 1.10.0
	12	ac.emit_has_path("std::panic::PanicInfo");
	13	ac.emit_path_cfg("std::panic::PanicInfo", "has_panic_info");
	14
	15	// rustc 1.20.0
	16	ac.emit_has_path("std::mem::ManuallyDrop");
	17	ac.emit_path_cfg("std::mem::ManuallyDrop", "has_manually_drop");
	18
	19	// rustc 1.25.0
	20	ac.emit_has_path("std::ptr::NonNull");
	21	ac.emit_path_cfg("std::ptr::NonNull", "has_non_null");
	22	}