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#ifndef ATTRIBUTES_H
#define ATTRIBUTES_H
// If not building with a modern GCC-like compiler then make any use of __attribute__ a no-op
#if (!defined(__GNUC__) && !defined(__clang__)) || defined(M2CTX) || defined(__sgi)
#ifndef __attribute__
#define __attribute__(x)
#endif
#endif
#define UNUSED __attribute__((unused))
#define FALLTHROUGH __attribute__((fallthrough))
#define NORETURN __attribute__((noreturn))
// GCC and MSVC provide a way to force enable optimizations. Clang does not.
#if defined (__GNUC__) && !defined (__clang__)
#define FORCE_OPTIMIZE __attribute__ ((optimize("O2")))
#elif defined (_MSC_VER)
#define FORCE_OPTIMIZE _Pragma("optimize( \"g\", on )")
#else
#define FORCE_OPTIMIZE
#endif
#endif
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