diff options
| -rw-r--r-- | include/qemu/compiler.h | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/include/qemu/compiler.h b/include/qemu/compiler.h index 77b9ce3..057639a 100644 --- a/include/qemu/compiler.h +++ b/include/qemu/compiler.h @@ -85,10 +85,14 @@ #define typeof_field(type, field) typeof(((type *)0)->field) #define type_check(t1,t2) ((t1*)0 - (t2*)0) +#define QEMU_BUILD_BUG_ON_STRUCT(x) \ + struct { \ + int:(x) ? -1 : 1; \ + } + #ifdef __COUNTER__ -#define QEMU_BUILD_BUG_ON(x) \ - typedef char glue(qemu_build_bug_on__, __COUNTER__)[(x) ? -1 : 1] \ - __attribute__((unused)) +#define QEMU_BUILD_BUG_ON(x) typedef QEMU_BUILD_BUG_ON_STRUCT(x) \ + glue(qemu_build_bug_on__, __COUNTER__) __attribute__((unused)) #else #define QEMU_BUILD_BUG_ON(x) #endif |