new file mode 100644
@@ -0,0 +1,45 @@
+From d1814dbd3a88c95a43d4c9805bb4a523cf62d97b Mon Sep 17 00:00:00 2001
+From: Fabrice Fontaine <fontaine.fabrice@gmail.com>
+Date: Sun, 17 Sep 2023 20:42:00 +0200
+Subject: [PATCH] link with -latomic when needed
+
+Some architecture such as sparc and some flavors of arm needs -latomic
+to avoid the following build failure:
+
+gthread-posix.c:(.text+0xda8): undefined reference to `__atomic_compare_exchange_4'
+
+Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
+Upstream: https://gitlab.gnome.org/GNOME/glib/-/merge_requests/3586
+---
+ glib/meson.build | 1 +
+ meson.build | 2 ++
+ 2 files changed, 3 insertions(+)
+
+diff --git a/glib/meson.build b/glib/meson.build
+index c26a35e42..7a761306b 100644
+--- a/glib/meson.build
++++ b/glib/meson.build
+@@ -426,6 +426,7 @@ libglib = library('glib-2.0',
+ pcre2,
+ platform_deps,
+ thread_dep,
++ atomic_dep
+ ],
+ c_args : glib_c_args,
+ objc_args : glib_c_args,
+diff --git a/meson.build b/meson.build
+index 25ae10fc2..5ae84b3b3 100644
+--- a/meson.build
++++ b/meson.build
+@@ -2130,6 +2130,8 @@ libffi_dep = dependency('libffi', version : '>= 3.0.0')
+
+ libz_dep = dependency('zlib')
+
++atomic_dep = cc.find_library('atomic', required: false)
++
+ # First check in libc, fallback to libintl, and as last chance build
+ # proxy-libintl subproject.
+ # FIXME: glib-gettext.m4 has much more checks to detect broken/uncompatible
+--
+2.40.1
+
@@ -64,11 +64,6 @@ ifeq ($(BR2_PACKAGE_ELFUTILS),y)
LIBGLIB2_DEPENDENCIES += elfutils
endif
-# Uses __atomic_compare_exchange_4
-ifeq ($(BR2_TOOLCHAIN_HAS_LIBATOMIC),y)
-LIBGLIB2_LDFLAGS += -latomic
-endif
-
ifeq ($(BR2_PACKAGE_LIBICONV),y)
LIBGLIB2_DEPENDENCIES += libiconv
endif
Correctly fix atomic handling to avoid the following build failure with all users of libglib2 (e.g. gdk-pixbuf) raised since bump to version 2.76.1 in commit 3f9622fe3d85b4d9f734b879abc1d485afea19b2: /usr/lib/libglib-2.0.a(gthread-posix.c.o): in function `g_mutex_trylock': gthread-posix.c:(.text+0xda8): undefined reference to `__atomic_compare_exchange_4' Fixes: - http://autobuild.buildroot.org/results/24a358869b98d83ab374c7c3a185ced450064d35 Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com> --- .../0004-link-with-latomic-when-needed.patch | 45 +++++++++++++++++++ package/libglib2/libglib2.mk | 5 --- 2 files changed, 45 insertions(+), 5 deletions(-) create mode 100644 package/libglib2/0004-link-with-latomic-when-needed.patch