bindgen generating i64 instead of u64

[redeexpressos]

Input C/C++ Header

#define UAVCAN_PROTOCOL_GETNODEINFO_REQUEST_SIGNATURE (0xEE468A8121C46A9EULL)

Bindgen Invocation

    let bindings = bindgen::Builder::default()
        .clang_arg("-Iexternal/libcanard")
        .header("wrapper.h")
        .generate()
        .expect("Unable to generate bindings");

pub const UAVCAN_PROTOCOL_GETNODEINFO_REQUEST_SIGNATURE: i64 = -1277181157091022178;

Expected Results

Shouldnt it generate an u64?

[ojeda]

See as well #2120 and #1594.

[pvdrz]

yep closing as duplicate of #1594