+/* Prevent/force inlining. Used to improve performance. */
+#undef __noinline
+#undef __always_inline
+#ifdef HAVE___ATTRIBUTE__
+# define __noinline __attribute__((noinline))
+# define __always_inline __attribute__((always_inline))
+#else
+# define __noinline
+# define __always_inline
+#endif
+