Re: [PATCH] kconfig.h: use already defined macros for IS_REACHABLE() define

From: Masahiro Yamada
Date: Tue Jun 14 2016 - 02:01:22 EST


Hi Nicolas,

2016-06-07 7:03 GMT+09:00 Nicolas Pitre <nicolas.pitre@xxxxxxxxxx>:
> On Tue, 7 Jun 2016, Masahiro Yamada wrote:
>
>> Because config_enabled() is so useful,
>> maybe people tend to abuse it.
>>
>> I see one case where config_enabled() is used
>> for a non-config macro.
>>
>> #define __EXPORT_SYMBOL(sym, sec) \
>> __cond_export_sym(sym, sec, config_enabled(__KSYM_##sym))
>
> Here the need is for a macro that returns 1 or 0 whether given
> symbol is defined or not, exactly as explained in the comment above the
> definition for config_enabled() which in itself has nothing to do with
> config.
>
> So maybe config_enabled() should be renamed to __is_defined() or
> similar, and then config_enabled() or its replacement defined in termps
> of it.

__is_defined() seems reasonable to me, so I've sent an updated series.





--
Best Regards
Masahiro Yamada