[Patch] (1/n) newlib: Only call _fputwc_r if ELIX_LEVEL >= 4 (was: Build-dependency issues with ELIX_LEVEL)

[Jeff Johnston]

Hi Tobias.  This patch was merged to master.

Thanks,

-- Jeff J.

On Wed, Mar 30, 2022 at 5:44 AM Tobias Burnus <tobias@codesourcery.com>
wrote:

> Hello,
>
> this packages the the first patch of last/first email in this thread.
>
> As described in the commit log (and previous email),
> __sprint_r and __sfputs_r of (nano-)vfprintf.c
> call fputwc.c's _fputwc_r.
>
> While the vfprintf.c file is compiled for ELIX_LEVEL >= 1,
> the fputwc.c file is only compiled with ELIX_LEVEL >= 4.
>
> Solution: This patch ignores the _WIDE_ORIENT support in
> __sprint_r / __sfputs_r unless ELIX_LEVEL >= 4.
>
> It feels like the right solution but the ELIX description is
> vague enough to be not sure.
>
> Without that patch I get for ELIX_LEVEL == 1 (with nvptx)
> a link error (missing symbol) for a code calling 'fprintf'
> (with no wide char used).
>
> OK? – If so, please commit. Otherwise, comments are welcome.
>
> Tobias
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