diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/ruby/ruby.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/include/ruby/ruby.h b/include/ruby/ruby.h index 4d8dc8bbdf..fe2297c567 100644 --- a/include/ruby/ruby.h +++ b/include/ruby/ruby.h @@ -2150,9 +2150,11 @@ unsigned long ruby_strtoul(const char *str, char **endptr, int base); PRINTF_ARGS(int ruby_snprintf(char *str, size_t n, char const *fmt, ...), 3, 4); int ruby_vsnprintf(char *str, size_t n, char const *fmt, va_list ap); -#if defined(__GNUC__) && defined(__OPTIMIZE__) +#if defined(HAVE_BUILTIN___BUILTIN_CHOOSE_EXPR_CONSTANT_P) && defined(__OPTIMIZE__) # define rb_scan_args(argc,argvp,fmt,...) \ - rb_scan_args0(argc,argv,fmt,(sizeof((VALUE*[]){__VA_ARGS__})/sizeof(VALUE*)),(VALUE*[]){__VA_ARGS__}) + __builtin_choose_expr(__builtin_constant_p(fmt), \ + rb_scan_args0(argc,argv,fmt,(sizeof((VALUE*[]){__VA_ARGS__})/sizeof(VALUE*)),(VALUE*[]){__VA_ARGS__}), \ + rb_scan_args(argc,argvp,fmt,__VA_ARGS__)) ALWAYS_INLINE(static int rb_scan_args0(int argc, const VALUE *argv, const char *fmt, int varc, VALUE *vars[])); inline int |