diff options
Diffstat (limited to 'sys/amd64/include/in_cksum.h')
| -rw-r--r-- | sys/amd64/include/in_cksum.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/amd64/include/in_cksum.h b/sys/amd64/include/in_cksum.h index 09920062a0ae..adfde8f22d1b 100644 --- a/sys/amd64/include/in_cksum.h +++ b/sys/amd64/include/in_cksum.h @@ -35,6 +35,10 @@ #ifndef _MACHINE_IN_CKSUM_H_ #define _MACHINE_IN_CKSUM_H_ 1 +#ifndef _SYS_CDEFS_H_ +#error this file needs sys/cdefs.h as a prerequisite +#endif + #include <sys/cdefs.h> #define in_cksum(m, len) in_cksum_skip(m, len, 0) |