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package/coreutils: fix build with uClibc-ng

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When compiling coreutils with uClibc-ng, build is failing with error:

    In file included from lib/mcel.c:3:
    lib/mcel.h: In function 'mcel_scan':
    lib/mcel.h:226:21: error: 'mbstate_t' has no member named '__count'
      226 |   mbstate_t mbs; mbs.__count = 0;
          |                     ^

The problem was reported by Waldemar Brodkorb in:
https://lists.gnu.org/r/bug-gnulib/2024-08/msg00130.html

This commit adds a package patch that modifies mcel_scan to avoid
treating uClibc-ng as if it were glibc, resolving compatibility
issues.

Specifically, uClibc-ng was incorrectly treated like glibc in the code,
which led to incorrect assumptions about the mbstate_t initialization.

Fixes:
- https://autobuild.buildroot.org/results/34f4e23e325a03ab37fd5a0a564780b9e0d631cd/

Signed-off-by: Jean-Michel Hautbois <jeanmichel.hautbois@yoseli.org>
[Julien:
  - slightly reworded the commit log
  - fixed package patch encoding
  - add the Upstream: tag in package patch
  - add the Fixes: link in commit log
]
Signed-off-by: Julien Olivain <ju.o@free.fr>
This commit is contained in:
Jean-Michel Hautbois 2024-09-25 09:48:27 +02:00 committed by Julien Olivain
parent 10d25d98ed
commit 4cf0fd8e9e
1 changed files with 35 additions and 0 deletions
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35
package/coreutils/0001-coreutils-mcel-port-to-uClibc-ng.patch Normal file
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@ -0,0 +1,35 @@
From c4e923a98f34fe5f5ec3b49543e90716ec2a45fc Mon Sep 17 00:00:00 2001
From: Jean-Michel Hautbois <jeanmichel.hautbois@yoseli.org>
Date: Tue, 24 Sep 2024 18:08:31 +0200
Subject: [PATCH] coreutils: mcel: port to uClibc-ng
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Problem reported by Waldemar Brodkorb in:
https://lists.gnu.org/r/bug-gnulib/2024-08/msg00130.html
* lib/mcel.h (mcel_scan): Don't treat uClibc-ng like glibc.
Upstream: https://git.savannah.gnu.org/cgit/gnulib.git/commit/?id=9765bc796b3e6ceaa7a10ba07c9c2f1e272a4249
Signed-off-by: Jean-Michel Hautbois <jeanmichel.hautbois@yoseli.org>
---
lib/mcel.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/lib/mcel.h b/lib/mcel.h
index f6f006c..dca4d08 100644
--- a/lib/mcel.h
+++ b/lib/mcel.h
@@ -221,7 +221,8 @@ mcel_scan (char const *p, char const *lim)
/* An initial mbstate_t; initialization optimized for some platforms.
For details about these and other platforms, see wchar.in.h. */
-#if defined __GLIBC__ && 2 < __GLIBC__ + (2 <= __GLIBC_MINOR__)
+#if (defined __GLIBC__ && 2 < __GLIBC__ + (2 <= __GLIBC_MINOR__) \
+ && !defined __UCLIBC__)
/* Although only a trivial optimization, it's worth it for GNU. */
mbstate_t mbs; mbs.__count = 0;
#elif (defined __FreeBSD__ || defined __DragonFly__ || defined __OpenBSD__ \
--
2.39.2