11     // the rustc version.  in main()
45     // Check for `--features=rustc-dep-of-std`. This is used when rustix is  in main()
56     // rustc flag rather than a cargo feature flag because it's experimental  in main()
124         println!("cargo:rustc-link-search={}/{}", OUTLINE_PATH, profile);  in link_in_librustix_outline()
125         println!("cargo:rustc-link-lib=static={}", name);  in link_in_librustix_outline()
171     println!("cargo:rustc-cfg={}", feature);  in use_feature()
174 /// Test whether the rustc at `var("RUSTC")` supports the given feature.
182 /// Test whether the rustc at `var("RUSTC")` can compile the given code.
187     let rustc = var("RUSTC").unwrap();  in can_compile()  localVariable
192         // The wrapper's first argument is supposed to be the path to rustc.  in can_compile()
193         cmd.arg(rustc);  in can_compile()
196         std::process::Command::new(rustc)  in can_compile()