--- /dev/null
+/* Never include this file directly. Include <lwk/compiler.h> instead. */
+
+/* These definitions are for GCC v4.x. */
+#include <lwk/compiler-gcc.h>
+
+#ifdef CONFIG_FORCED_INLINING
+# undef inline
+# undef __inline__
+# undef __inline
+# define inline inline __attribute__((always_inline))
+# define __inline__ __inline__ __attribute__((always_inline))
+# define __inline __inline __attribute__((always_inline))
+#endif
+
+#define __attribute_used__ __attribute__((__used__))
+#define __must_check __attribute__((warn_unused_result))
+#define __compiler_offsetof(a,b) __builtin_offsetof(a,b)
+#define __always_inline inline __attribute__((always_inline))