Add option to disable generating inner attributes

crates/libs/bindgen/src/rust/mod.rs

@@ -29,6 +29,7 @@ pub fn from_reader(reader: &metadata::Reader, filter: &metadata::Filter, mut con
     writer.sys = writer.std || config.remove("sys").is_some();
     writer.implement = config.remove("implement").is_some();
     writer.minimal = config.remove("minimal").is_some();
+    writer.no_inner_attributes = config.remove("no-inner-attributes").is_some();
 
     if writer.package && writer.flatten {
         return Err(Error::new("cannot combine `package` and `flatten` configuration values"));

crates/libs/bindgen/src/rust/try_format.rs

@@ -16,7 +16,7 @@ pub fn try_format(writer: &super::Writer, tokens: &str) -> String {
     };
 
     // Packaging - e.g. windows/windows-sys crates - assumes the crate will allow whatever warnings it deems fit.
-    let allow = if writer.package { "" } else { "#![allow(non_snake_case, non_upper_case_globals, non_camel_case_types, dead_code, clippy::all)]\n" };
+    let allow = if writer.package || writer.no_inner_attributes { "" } else { "#![allow(non_snake_case, non_upper_case_globals, non_camel_case_types, dead_code, clippy::all)]\n" };
     let tokens = format!("{preamble}{allow}{tokens}");
 
     let Ok(mut child) = std::process::Command::new("rustfmt").stdin(std::process::Stdio::piped()).stdout(std::process::Stdio::piped()).stderr(std::process::Stdio::null()).spawn() else {

crates/libs/bindgen/src/rust/writer.rs

@@ -18,11 +18,12 @@ pub struct Writer<'a> {
     pub flatten: bool, // strips out namespaces - implies !package
     pub package: bool, // default is single file with no cfg - implies !flatten
     pub minimal: bool, // strips out enumerators - in future possibly other helpers as well
+    pub no_inner_attributes: bool, // skips the inner attributes at the start of the file
 }
 
 impl<'a> Writer<'a> {
     pub fn new(reader: &'a Reader, filter: &'a metadata::Filter, output: &'a str) -> Self {
-        Self { reader, filter, output, namespace: "", implement: false, std: false, sys: false, flatten: false, package: false, minimal: false }
+        Self { reader, filter, output, namespace: "", implement: false, std: false, sys: false, flatten: false, package: false, minimal: false, no_inner_attributes: false }
     }
 
     //