| #ifndef __has_builtin |
| __has_builtin()??? Quesako? |
| #define __has_builtin(x) 0 |
| #else |
| "has __has_builtin(), yeah!" |
| #endif |
| |
| #if __has_builtin(nothing) |
| #error "not a builtin!" |
| #endif |
| |
| #if __has_builtin(__builtin_offsetof) \ |
| || __has_builtin(__builtin_types_compatible_p) |
| #error "builtin ops are not builtin functions!" |
| #endif |
| |
| #if __has_builtin(__builtin_va_list) \ |
| || __has_builtin(__builtin_ms_va_list) |
| #error "builtin types are not builtin functions!" |
| #endif |
| |
| #if __has_builtin(__builtin_abs) |
| abs |
| #endif |
| |
| #if __has_builtin(__builtin_constant_p) |
| constant_p |
| #endif |
| |
| 123 __has_builtin(abc) def |
| |
| /* |
| * check-name: has-builtin |
| * check-command: sparse -E $file |
| * |
| * check-output-start |
| |
| "has __has_builtin(), yeah!" |
| abs |
| constant_p |
| 123 0 def |
| * check-output-end |
| */ |
