remove some errors on mac

libs/portable/src/main.rs

@@ -30,7 +30,7 @@ fn setup(reader: BinaryReader, dir: Option<PathBuf>, clear: bool) -> Option<Path
     for file in reader.files.iter() {
         file.write_to_file(&dir);
     }
-    #[cfg(unix)]
+    #[cfg(linux)]
     reader.configure_permission(&dir);
     Some(dir.join(&reader.exe))
 }