RPM build fix (reverted CI changes which will need to be un-reverted or made conditional) and vendor Rust dependencies to make builds much faster in any CI system.

zeroidc/vendor/cbindgen/tests/rust/enum_self.rs

@@ -0,0 +1,15 @@
+#[repr(C)]
+pub struct Foo<T> {
+    something: *const i32,
+    phantom: std::marker::PhantomData<T>,
+}
+
+#[repr(u8)]
+pub enum Bar {
+    Min(Foo<Self>),
+    Max(Foo<Self>),
+    Other,
+}
+
+#[no_mangle]
+pub extern "C" fn root(b: Bar) {}