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Subject: [Bug libstdc++/103305] Cannot build libstdc++ with newlib on
 aarch64-none-elf or bfin-elf with new version of newlib
Date: Fri, 19 Nov 2021 08:48:51 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D103305

--- Comment #11 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Tamar Christina <tnfchris@gcc.gnu.org=
>:

https://gcc.gnu.org/g:0e510ab53414430e93c6f5b64841e2f40031cda7

commit r12-5396-g0e510ab53414430e93c6f5b64841e2f40031cda7
Author: Tamar Christina <tamar.christina@arm.com>
Date:   Fri Nov 19 08:48:11 2021 +0000

    libstdc++: Fix ctype changed after newlib update.

    Newlib changed ctype.h recently[1] by moving the short labels from ctyp=
e.h
intro
    the private namespace in ctype_.h.  This broke embedded builds due to t=
hem
no
    longer being found.  Instead they now expose the long names to match gl=
ibc.

    This patch now uses the short or long names depending on is the short o=
nes
are
    defined or not.

    [1]
https://github.com/bminor/newlib/commit/3ba1bd0d9dbc015c14a0aaafcef042f706d=
1249a

    libstdc++-v3/ChangeLog:

            PR libstdc++/103305
            * config/os/newlib/ctype_base.h (upper, lower, alpha, digit,
xdigit,
            space, print, graph, cntrl, punct, alnum, blank): Use short or =
long
            names depending on if short ones are defined.=