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/expectations/sentinel.cpp

@@ -0,0 +1,53 @@
+#include <cstdarg>
+#include <cstdint>
+#include <cstdlib>
+#include <ostream>
+#include <new>
+
+enum class A : uint8_t {
+  A_A1,
+  A_A2,
+  A_A3,
+  /// Must be last for serialization purposes
+  A_Sentinel,
+};
+
+enum class B : uint8_t {
+  B_B1,
+  B_B2,
+  B_B3,
+  /// Must be last for serialization purposes
+  B_Sentinel,
+};
+
+union C {
+  enum class Tag : uint8_t {
+    C_C1,
+    C_C2,
+    C_C3,
+    /// Must be last for serialization purposes
+    C_Sentinel,
+  };
+
+  struct C_C1_Body {
+    Tag tag;
+    uint32_t a;
+  };
+
+  struct C_C2_Body {
+    Tag tag;
+    uint32_t b;
+  };
+
+  struct {
+    Tag tag;
+  };
+  C_C1_Body c1;
+  C_C2_Body c2;
+};
+
+extern "C" {
+
+void root(A a, B b, C c);
+
+} // extern "C"