diff options
| -rw-r--r-- | src/system.h | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/src/system.h b/src/system.h index fbaeefe18..b5caf0d06 100644 --- a/src/system.h +++ b/src/system.h @@ -812,15 +812,18 @@ ptr_align (void const *ptr, size_t alignment) return (void *) (p1 - (size_t) p1 % alignment); } -#define GL_CONCAT0(x, y) x##y -#define GL_CONCAT(x, y) GL_CONCAT0 (x, y) +#ifndef VERIFY +# define GL_CONCAT0(x, y) x##y +# define GL_CONCAT(x, y) GL_CONCAT0 (x, y) /* Verify a requirement at compile-time (unlike assert, which is runtime). */ -#define VERIFY(assertion) \ - struct GL_CONCAT (compile_time_assert_, __LINE__) \ - { char a[(assertion) ? 1 : -1]; } +# define VERIFY(assertion) \ + struct GL_CONCAT (compile_time_assert_, __LINE__) \ + { char a[(assertion) ? 1 : -1]; } +#endif /* Like the above, but use an expression rather than a struct declaration. This macro may be used in some contexts where the other may not. */ +#undef VERIFY_EXPR #define VERIFY_EXPR(assertion) \ (void)((struct {char a[(assertion) ? 1 : -1]; } *) 0) |