diff options
Diffstat (limited to 'qemu-common.h')
| -rw-r--r-- | qemu-common.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/qemu-common.h b/qemu-common.h index 5544ffd8cf..88c5207cf3 100644 --- a/qemu-common.h +++ b/qemu-common.h @@ -70,6 +70,22 @@ struct iovec { #include <sys/uio.h> #endif +#if defined __GNUC__ +# if (__GNUC__ < 4) || \ + defined(__GNUC_MINOR__) && (__GNUC__ == 4) && (__GNUC_MINOR__ < 4) + /* gcc versions before 4.4.x don't support gnu_printf, so use printf. */ +# define GCC_ATTR __attribute__((__unused__, format(printf, 1, 2))) +# define GCC_FMT_ATTR(n, m) __attribute__((format(printf, n, m))) +# else + /* Use gnu_printf when supported (qemu uses standard format strings). */ +# define GCC_ATTR __attribute__((__unused__, format(gnu_printf, 1, 2))) +# define GCC_FMT_ATTR(n, m) __attribute__((format(gnu_printf, n, m))) +# endif +#else +#define GCC_ATTR /**/ +#define GCC_FMT_ATTR(n, m) +#endif + #ifdef _WIN32 #define fsync _commit #define lseek _lseeki64 |