diff options
Diffstat (limited to 'lib/getopt.h')
| -rw-r--r-- | lib/getopt.h | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/lib/getopt.h b/lib/getopt.h index 68a9acfb..dceb0301 100644 --- a/lib/getopt.h +++ b/lib/getopt.h @@ -99,10 +99,19 @@ struct option #define optional_argument 2 #if defined (__STDC__) && __STDC__ -#if defined (__GNU_LIBRARY__) || defined (__EXTENSIONS__) +#if defined (__GNU_LIBRARY__) \ + || defined (__EXTENSIONS__) \ + || defined (_GETOPT_DEFINED_) \ + || defined (_GETOPT_DECLARED) /* Many other libraries have conflicting prototypes for getopt, with differences in the consts, in stdlib.h. To avoid compilation - errors, only prototype getopt for the GNU C library. */ + errors, only prototype getopt for systems we know have compatible + getopt. + glibc: __GNU_LIBRARY__ + solaris: __EXTENSIONS__ + OpenBSD: _GETOPT_DEFINED_ + FreeBSD: _GETOPT_DECLARED + */ extern int getopt (int argc, char *const *argv, const char *shortopts); #else /* not __GNU_LIBRARY__ or __EXTENSIONS__ */ extern int getopt (void); |