* void prototype(void) __attribute__((_CONSTRUCTOR(100)));
*/
#if defined(__clang__)
-# if __clang_major__ > 3 || (__clang_major__ == 3 && __clang_minor__ >= 5)
+#if __clang_major__ > 3 || (__clang_major__ == 3 && __clang_minor__ >= 5)
# define _RET_NONNULL , returns_nonnull
-# endif
+#endif
+#if __has_attribute(fallthrough)
+# define _FALLTHROUGH __attribute__((fallthrough));
+#endif
# define _CONSTRUCTOR(x) constructor(x)
#elif defined(__GNUC__)
-# if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 9)
+#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 9)
# define _RET_NONNULL , returns_nonnull
-# endif
-# if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3)
+#endif
+#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3)
# define _CONSTRUCTOR(x) constructor(x)
# define _DESTRUCTOR(x) destructor(x)
# define _ALLOC_SIZE(x) alloc_size(x)
-# endif
+#endif
+#if __GNUC__ >= 7
+# define _FALLTHROUGH __attribute__((fallthrough));
+#endif
#endif
#ifdef __sun
/* Solaris doesn't do constructor priorities due to linker restrictions */
-# undef _CONSTRUCTOR
-# undef _DESTRUCTOR
+#undef _CONSTRUCTOR
+#undef _DESTRUCTOR
#endif
/* fallback versions */
#ifndef _ALLOC_SIZE
# define _ALLOC_SIZE(x)
#endif
+#ifndef _FALLTHROUGH
+#define _FALLTHROUGH
+#endif
/*
* for warnings on macros, put in the macro content like this:
#else
#define CPP_WARN(text)
+#define CPP_NOTICE(text)
#endif
#endif /* _FRR_COMPILER_H */