diff options
Diffstat (limited to 'intern/cycles/util')
| -rw-r--r-- | intern/cycles/util/util_types.h | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/intern/cycles/util/util_types.h b/intern/cycles/util/util_types.h index df61b6ead21..187675e74bf 100644 --- a/intern/cycles/util/util_types.h +++ b/intern/cycles/util/util_types.h @@ -481,18 +481,32 @@ enum InterpolationType { # define UNLIKELY(x) (x) #endif +#if defined(__cplusplus) && ((__cplusplus >= 201103L) || (defined(_MSC_VER) && _MSC_VER >= 1800)) +# define HAS_CPP11_FEATURES +#endif + +#if defined(__GNUC__) || defined(__clang__) +# if defined(HAS_CPP11_FEATURES) +/* Some magic to be sure we don't have reference in the type. */ +template<typename T> static inline T decltype_helper(T x) { return x; } +# define TYPEOF(x) decltype(decltype_helper(x)) +# else +# define TYPEOF(x) typeof(x) +# endif +#endif + /* Causes warning: * incompatible types when assigning to type 'Foo' from type 'Bar' * ... the compiler optimizes away the temp var */ #ifdef __GNUC__ #define CHECK_TYPE(var, type) { \ - typeof(var) *__tmp; \ + TYPEOF(var) *__tmp; \ __tmp = (type *)NULL; \ (void)__tmp; \ } (void)0 #define CHECK_TYPE_PAIR(var_a, var_b) { \ - typeof(var_a) *__tmp; \ + TYPEOF(var_a) *__tmp; \ __tmp = (typeof(var_b) *)NULL; \ (void)__tmp; \ } (void)0 |