diff options
Diffstat (limited to 'include/limits.h')
| -rw-r--r-- | include/limits.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/limits.h b/include/limits.h index 8195da78a4..29e9b943b9 100644 --- a/include/limits.h +++ b/include/limits.h @@ -178,6 +178,18 @@ # endif #endif /* Use IEC_60559_BFP_EXT. */ +/* The macros for _Bool are not defined by GCC's <limits.h> before GCC + 11, or if _GNU_SOURCE is defined rather than enabling C2x support + with -std. */ +#if __GLIBC_USE (ISOC2X) +# ifndef BOOL_MAX +# define BOOL_MAX 1 +# endif +# ifndef BOOL_WIDTH +# define BOOL_WIDTH 1 +# endif +#endif + #ifdef __USE_POSIX /* POSIX adds things to <limits.h>. */ # include <bits/posix1_lim.h> |