On 28/11/2019 20:42, Luc Van Oostenryck wrote:
> No real support is done here (or is needed) but the __STDC_VERSION__
> will return the correct value.
>
> Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@xxxxxxxxx>
> ---
> lib.c | 13 +++++++++++++
> lib.h | 2 ++
> 2 files changed, 15 insertions(+)
>
> diff --git a/lib.c b/lib.c
> index 7f7ca846b..8fddae450 100644
> --- a/lib.c
> +++ b/lib.c
> @@ -1079,6 +1079,15 @@ static char **handle_switch_s(const char *arg, char **next)
> else if (!strcmp(arg, "gnu11"))
> standard = STANDARD_GNU11;
>
> + else if (!strcmp(arg, "c17") ||
> + !strcmp(arg, "c18") ||
> + !strcmp(arg, "iso9899:2017") ||
> + !strcmp(arg, "iso9899:2018"))
> + standard = STANDARD_C17;
> + else if (!strcmp(arg, "gnu17") ||
> + !strcmp(arg, "gnu18"))
> + standard = STANDARD_GNU17;
> +
Yes, I knew about C17, but out of nowhere I started hearing
about C18! ;-) As far as I can tell, this is just C17, but
because it crept into 2018 before final approval, come people
are starting to call it C18. However, the __STDC_VERSION__
value is still 201710L, right?
ATB,
Ramsay Jones
> else
> die ("Unsupported C dialect");
> }
> @@ -1421,6 +1430,10 @@ static void predefined_macros(void)
> case STANDARD_GNU11:
> predefine("__STDC_VERSION__", 1, "201112L");
> break;
> + case STANDARD_C17:
> + case STANDARD_GNU17:
> + predefine("__STDC_VERSION__", 1, "201710L");
> + break;
> }
> if (!(standard & STANDARD_GNU) & (standard != STANDARD_NONE))
> predefine("__STRICT_ANSI__", 1, "1");
> diff --git a/lib.h b/lib.h
> index 7958359c1..3e565c6fd 100644
> --- a/lib.h
> +++ b/lib.h
> @@ -235,6 +235,8 @@ enum standard {
> STANDARD_GNU99 = STANDARD_C99 | STANDARD_GNU,
> STANDARD_C11,
> STANDARD_GNU11 = STANDARD_C11 | STANDARD_GNU,
> + STANDARD_C17,
> + STANDARD_GNU17 = STANDARD_C17 | STANDARD_GNU,
> };
> extern enum standard standard;
>
>
