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/extern.both.compat.c

@@ -0,0 +1,21 @@
+#include <stdarg.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdlib.h>
+
+typedef struct Normal {
+  int32_t x;
+  float y;
+} Normal;
+
+#ifdef __cplusplus
+extern "C" {
+#endif // __cplusplus
+
+extern int32_t foo(void);
+
+extern void bar(struct Normal a);
+
+#ifdef __cplusplus
+} // extern "C"
+#endif // __cplusplus