From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugzilla@gcc.gnu.org>
Received: by sourceware.org (Postfix, from userid 48)
 id 6422B3858033; Tue, 23 Nov 2021 11:07:12 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 6422B3858033
From: "redi at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug libstdc++/103305] Cannot build libstdc++ with newlib on
 aarch64-none-elf or bfin-elf with new version of newlib
Date: Tue, 23 Nov 2021 11:07:12 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: libstdc++
X-Bugzilla-Version: 12.0
X-Bugzilla-Keywords: build
X-Bugzilla-Severity: normal
X-Bugzilla-Who: redi at gcc dot gnu.org
X-Bugzilla-Status: NEW
X-Bugzilla-Resolution: 
X-Bugzilla-Priority: P3
X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org
X-Bugzilla-Target-Milestone: ---
X-Bugzilla-Flags: 
X-Bugzilla-Changed-Fields: 
Message-ID: <bug-103305-4-lT8MOAsgWD@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-103305-4@http.gcc.gnu.org/bugzilla/>
References: <bug-103305-4@http.gcc.gnu.org/bugzilla/>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/
Auto-Submitted: auto-generated
MIME-Version: 1.0
X-BeenThere: gcc-bugs@gcc.gnu.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: Gcc-bugs mailing list <gcc-bugs.gcc.gnu.org>
List-Unsubscribe: <https://gcc.gnu.org/mailman/options/gcc-bugs>,
 <mailto:gcc-bugs-request@gcc.gnu.org?subject=unsubscribe>
List-Archive: <https://gcc.gnu.org/pipermail/gcc-bugs/>
List-Post: <mailto:gcc-bugs@gcc.gnu.org>
List-Help: <mailto:gcc-bugs-request@gcc.gnu.org?subject=help>
List-Subscribe: <https://gcc.gnu.org/mailman/listinfo/gcc-bugs>,
 <mailto:gcc-bugs-request@gcc.gnu.org?subject=subscribe>
X-List-Received-Date: Tue, 23 Nov 2021 11:07:12 -0000

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D103305

--- Comment #19 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to Jonathan Wakely from comment #17)
> If the newlib change is still desirable, it would be nice if it was
> conditional on the __GNUC__ version, so old versions of GCC can still be
> built. Maybe just do this in <ctype.h>:

Or this, to limit it to just C++:


--- a/newlib/libc/include/ctype.h
+++ b/newlib/libc/include/ctype.h
@@ -181,6 +181,13 @@ __locale_ctype_ptr_l(locale_t _l)

 #endif /* !__cplusplus */

+#if defined(__GNUC__) && defined(__cplusplus)
+# if __GNUC__ < 12
+/* Libstdc++ uses _U, _L etc. */
+#  include <ctype_.h>
+# endif
+#endif
+
 _END_STD_C

 #endif /* _CTYPE_H_ */=