diff options
Diffstat (limited to 'lib/flexmember.h')
| -rw-r--r-- | lib/flexmember.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/flexmember.h b/lib/flexmember.h index a6cc876a6d5..8c5915ecf9c 100644 --- a/lib/flexmember.h +++ b/lib/flexmember.h @@ -20,6 +20,11 @@ Written by Paul Eggert. */ +/* This file uses _Alignof. */ +#if !_GL_CONFIG_H_INCLUDED + #error "Please include config.h first." +#endif + #include <stddef.h> /* Nonzero multiple of alignment of TYPE, suitable for FLEXSIZEOF below. |