diff options
Diffstat (limited to 'src/system.h')
| -rw-r--r-- | src/system.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/system.h b/src/system.h index caf50aec7..59d63809e 100644 --- a/src/system.h +++ b/src/system.h @@ -44,6 +44,21 @@ # define POSIX2_VERSION (_POSIX2_VERSION ? _POSIX2_VERSION : 2147483647) #endif +/* "::" if a short option can take an optional argument, ":" if the + argument is required. "::" is mostly obsolete with POSIX + 1003.1-2001, which in most cases does not allow short options with + optional arguments. */ +#if POSIX2_VERSION < 200112 +# define OPTARG_POSIX "::" +#else +# define OPTARG_POSIX ":" +#endif + +/* If nonzero, warn when obsolete options are detected. */ +#ifndef OBSOLETE_OPTION_WARNINGS +# define OBSOLETE_OPTION_WARNINGS 1 +#endif + #ifndef STDIN_FILENO # define STDIN_FILENO 0 #endif |