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/cfg_2.cpp

@@ -0,0 +1,47 @@
+#if 0
+DEF DEFINED = 1
+DEF NOT_DEFINED = 0
+#endif
+
+
+#include <cstdarg>
+#include <cstdint>
+#include <cstdlib>
+#include <ostream>
+#include <new>
+
+#if defined(NOT_DEFINED)
+static const int32_t DEFAULT_X = 8;
+#endif
+
+#if defined(DEFINED)
+static const int32_t DEFAULT_X = 42;
+#endif
+
+#if (defined(NOT_DEFINED) || defined(DEFINED))
+struct Foo {
+  int32_t x;
+};
+#endif
+
+#if defined(NOT_DEFINED)
+struct Bar {
+  Foo y;
+};
+#endif
+
+#if defined(DEFINED)
+struct Bar {
+  Foo z;
+};
+#endif
+
+struct Root {
+  Bar w;
+};
+
+extern "C" {
+
+void root(Root a);
+
+} // extern "C"