update compiler flags, fix tracy allocation profiling, fix compiler warnings

include/tracy.hpp

@@ -0,0 +1,10 @@
+#ifndef __TRACY_HPP_
+#define __TRACY_HPP_
+
+#include <cstddef>
+
+void *operator new(std::size_t count);
+void operator delete(void *ptr) noexcept;
+void operator delete(void *ptr, std::size_t count) noexcept;
+
+#endif