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/box.cpp

@@ -0,0 +1,41 @@
+#if 0
+''' '
+#endif
+
+#ifdef __cplusplus
+template <typename T>
+using Box = T*;
+#endif
+
+#if 0
+' '''
+#endif
+
+
+#include <cstdarg>
+#include <cstdint>
+#include <cstdlib>
+#include <ostream>
+#include <new>
+
+template<typename T = void>
+struct NotReprC;
+
+template<typename T = void>
+struct Option;
+
+using Foo = NotReprC<Box<int32_t>>;
+
+struct MyStruct {
+  Box<int32_t> number;
+};
+
+extern "C" {
+
+void root(const Foo *a, const MyStruct *with_box);
+
+void drop_box(Box<int32_t> x);
+
+void drop_box_opt(Option<Box<int32_t>> x);
+
+} // extern "C"