#include <stddef.h> /* for offsetof */
+#if defined __cplusplus
+# include <type_traits> /* for std::remove_cv */
+#endif
+
#define caa_likely(x) __builtin_expect(!!(x), 1)
#define caa_unlikely(x) __builtin_expect(!!(x), 0)
#define __rcu
#ifdef __cplusplus
-#define URCU_FORCE_CAST(type, arg) (reinterpret_cast<type>(arg))
+#define URCU_FORCE_CAST(_type, arg) (reinterpret_cast<std::remove_cv<_type>::type>(arg))
#else
#define URCU_FORCE_CAST(type, arg) ((type) (arg))
#endif
#define CAA_ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
/*
- * Don't allow compiling with buggy compiler.
+ * URCU_GCC_VERSION is used to blacklist specific GCC versions with known
+ * bugs, clang also defines these macros to an equivalent GCC version it
+ * claims to support, so exclude it.
*/
-
-#ifdef __GNUC__
+#if defined(__GNUC__) && !defined(__clang__)
# define URCU_GCC_VERSION (__GNUC__ * 10000 \
+ __GNUC_MINOR__ * 100 \
+ __GNUC_PATCHLEVEL__)
-
-/*
- * http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58854
- */
-# ifdef __ARMEL__
-# if URCU_GCC_VERSION >= 40800 && URCU_GCC_VERSION <= 40802
-# error Your gcc version produces clobbered frame accesses
-# endif
-# endif
#endif
#endif /* _URCU_COMPILER_H */