Leave lib.rs as container of tests

.gitignore

@@ -9,4 +9,3 @@ Cargo.lock
 # These are backup files generated by rustfmt
 **/*.rs.bk
 .idea/
-lvgl-sys/src/lib.rs

lvgl-sys/build.rs

@@ -29,14 +29,14 @@ fn main() {
         .include(&lvgl_config_path)
         .compile("lvgl");
 
+    let out_path = PathBuf::from(env::var("OUT_DIR").unwrap());
     let cc_args = ["-DLV_CONF_INCLUDE_SIMPLE=1", "-I", lvgl_config_path.to_str().unwrap()];
     bindgen::Builder::default()
         .header(src.parent().unwrap().join("lvgl.h").to_str().unwrap())
-        .raw_line("#![allow(non_snake_case, non_camel_case_types, non_upper_case_globals)]")
         .clang_args(&cc_args)
         .generate()
         .expect("Unable to generate bindings")
-        .write_to_file(root_dir.join("lvgl-sys").join("src").join("lib.rs"))
+        .write_to_file(out_path.join("bindings.rs"))
         .expect("Can't write bindings!");
 }
 

lvgl-sys/src/lib.rs

@@ -0,0 +1,5 @@
+#![allow(non_snake_case)]
+#![allow(non_camel_case_types)]
+#![allow(non_upper_case_globals)]
+
+include!(concat!(env!("OUT_DIR"), "/bindings.rs"));