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package/mdevd: fix build with glibc >= 2.43

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Buildroot commit 227378b593 bumped glibc
to 2.43 causing a build error in mdevd:

src/mdevd/mdevd.c: In function 'act_on_event':
src/mdevd/mdevd.c:797:36: error: assignment of read-only location
 '*(const char *)strchr(ud->devname, 10)'
  797 |         *strchr(ud->devname, '\n') = 0 ;

Add upstream commit to fix the problem.

Fixes:
https://autobuild.buildroot.net/results/92b/92b9b307996a44b66dc3f7f7d35dd74816b62480/

Signed-off-by: Bernd Kuhls <bernd@kuhls.net>
Signed-off-by: Julien Olivain <ju.o@free.fr>
This commit is contained in:
Bernd Kuhls
2026-04-04 08:56:35 +02:00
committed by Julien Olivain
parent 9f44e9c879
commit fd017ee754
1 changed files with 29 additions and 0 deletions
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29
package/mdevd/0001-Some-libcs-have-a-char-const-strchr.patch Normal file
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@@ -0,0 +1,29 @@
From 4594ed03e4ced04cb914c8fccad1ffab41cc4ee5 Mon Sep 17 00:00:00 2001
From: Laurent Bercot <ska-skaware@skarnet.org>
Date: Wed, 18 Mar 2026 15:45:17 +0000
Subject: Some libcs have a char const *strchr()? need to investigate
Upstream: https://git.skarnet.org/cgi-bin/cgit.cgi/mdevd/commit/?id=4594ed03e4ced04cb914c8fccad1ffab41cc4ee5
[Bernd: removed non-related content of the upstream commit]
Signed-off-by: Bernd Kuhls <bernd@kuhls.net>
---
src/mdevd/mdevd.c | 2 +-
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/src/mdevd/mdevd.c b/src/mdevd/mdevd.c
index aecd5a7..7df3aaf 100644
--- a/src/mdevd/mdevd.c
+++ b/src/mdevd/mdevd.c
@@ -794,7 +794,7 @@ static inline int act_on_event (struct uevent_s const *event, unsigned int actio
if (ud->devname)
{
ud->devname += 9 ;
- *strchr(ud->devname, '\n') = 0 ;
+ *(char *)strchr(ud->devname, '\n') = 0 ;
}
}
if (!ud->devname) ud->devname = basename(ud->sysdevpath) ;
--
cgit v1.2.3-70-g09d2