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package/libbsd: fix build with uClibc

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Since the bump of libbsd from 0.11.7 to 0.12.2 in Buildroot commit
c555b6565f, the build of libbsd was
broken on uClibc, due to changes in libbsd.

In order to fix this, we add a patch (submitted upstream), which is
based on a suggestion from libbsd's maintainer, itself based on an
initial proposal from Dario Binacchi.

Fixes:

  https://autobuild.buildroot.net/results/384022450a09b7d731e3817c812e30e15187344b/

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit c0fd48dc26)
Signed-off-by: Thomas Perale <thomas.perale@mind.be>
This commit is contained in:
Thomas Petazzoni
2026-02-04 13:28:49 +01:00
committed by Thomas Perale
parent 84d7d2c3ac
commit 5fb22b1ee2
2 changed files with 89 additions and 0 deletions
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88
package/libbsd/0001-configure.ac-add-support-for-uClibc-ng.patch Normal file
View File

@@ -0,0 +1,88 @@
From 5ce5a4aa22e90301816bd1f24c24be64592dc01c Mon Sep 17 00:00:00 2001
From: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Date: Wed, 4 Feb 2026 11:54:30 +0100
Subject: [PATCH] configure.ac: add support for uClibc-ng
The proposed support is based on the comment at
https://gitlab.freedesktop.org/libbsd/libbsd/-/merge_requests/32#note_3252386,
with the following changes:
- Assume explicit_bzero() is available, since it's been available
since uClibc-ng 1.0.47, which has been released years ago.
- Assume reallocarry() is NOT available, because its availability
depends on the exact malloc() implementation configured in
uClibc-ng. See
https://gogs.waldemar-brodkorb.de/oss/uclibc-ng/commit/77c8c358b52e875c8f4568ecf6c327b95dddbd05
for details.
Upstream: https://gitlab.freedesktop.org/libbsd/libbsd/-/merge_requests/33
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
---
configure.ac | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 50 insertions(+)
diff --git a/configure.ac b/configure.ac
index 2a15d72..d131861 100644
--- a/configure.ac
+++ b/configure.ac
@@ -214,6 +214,56 @@ AS_CASE([$host_os],
abi_vis=yes
abi_wcsl=yes
],
+ [*-uclibc*], [
+ api_time_macros=no
+ abi_accmode=yes
+ abi_arc4random=yes
+ abi_arc4random_stir=yes
+ abi_asprintf=no
+ abi_bsd_getopt=yes
+ abi_closefrom=yes
+ abi_consttime_memequal=yes
+ abi_err=no
+ abi_errc=yes
+ abi_expand_number=yes
+ # Available since uClibc-ng 1.0.47
+ abi_explicit_bzero=yes
+ abi_explicit_memset=yes
+ abi_fgetln=yes
+ abi_flopen=yes
+ abi_fmtcheck=yes
+ abi_fpurge=yes
+ abi_freezero=yes
+ abi_funopen=yes
+ abi_getbsize=yes
+ abi_getpeereid=yes
+ abi_humanize_number=yes
+ abi_id_from_name=yes
+ abi_inet_net_pton=no
+ abi_md5=no
+ abi_name_from_id=yes
+ abi_nlist=yes
+ abi_pidfile=yes
+ abi_proctitle=yes
+ abi_progname=yes
+ abi_readpassphrase=yes
+ # Depending on the uClibc-ng configuration, reallocarray() may or
+ # may not be available so assume it isn't.
+ abi_reallocarray=no
+ abi_reallocf=ues
+ abi_recallocarray=yes
+ abi_stringlist=yes
+ abi_sort=yes
+ abi_strl=no
+ abi_strmode=yes
+ abi_strnstr=yes
+ abi_strtonum=yes
+ abi_strtox=yes
+ abi_timeconv=yes
+ abi_transparent_libmd=no
+ abi_vis=yes
+ abi_wcsl=yes
+ ],
[darwin*], [
api_time_macros=no
--
2.52.0

1
package/libbsd/libbsd.mk
View File

@@ -13,5 +13,6 @@ LIBBSD_LICENSE_FILES = COPYING
LIBBSD_CPE_ID_VENDOR = freedesktop
LIBBSD_INSTALL_STAGING = YES
LIBBSD_DEPENDENCIES = libmd
LIBBSD_AUTORECONF = YES
$(eval $(autotools-package))