90     let mut output = BufWriter::new(File::create(&out).unwrap());  in do_semver()  localVariable
109         process_semver_file(&mut output, &mut semver_root, &family);  in do_semver()
113         process_semver_file(&mut output, &mut semver_root, &vendor);  in do_semver()
115     process_semver_file(&mut output, &mut semver_root, &os);  in do_semver()
117     process_semver_file(&mut output, &mut semver_root, &os_arch);  in do_semver()
120         process_semver_file(&mut output, &mut semver_root, &os_env);  in do_semver()
123         process_semver_file(&mut output, &mut semver_root, &os_env_arch);  in do_semver()
127 fn process_semver_file<W: Write, P: AsRef<Path>>(output: &mut W, path: &mut PathBuf, file: P) {  in process_semver_file()
143     writeln!(output, "// Source: {}.", path.display()).unwrap();  in process_semver_file()
144     output.write_all(b"use libc::{\n").unwrap();  in process_semver_file()
151                 output.write_all(b"    ").unwrap();  in process_semver_file()
152                 output.write_all(&line).unwrap();  in process_semver_file()
153                 output.write_all(b",\n").unwrap();  in process_semver_file()
157     output.write_all(b"};\n\n").unwrap();  in process_semver_file()
5160     let output = std::process::Command::new("freebsd-version")  in which_freebsd()  localVariable
5161         .output()  in which_freebsd()
5164     if !output.status.success() {  in which_freebsd()
5168     let stdout = String::from_utf8(output.stdout).ok()?;  in which_freebsd()