virglrenderer: Fix build with glibc 2.43+

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>

diff --git a/meta/recipes-graphics/virglrenderer/virglrenderer/0001-c11-use-glibc-s-once_flag-ONCE_FLAG_INIT-when-presen.patch b/meta/recipes-graphics/virglrenderer/virglrenderer/0001-c11-use-glibc-s-once_flag-ONCE_FLAG_INIT-when-presen.patch
new file mode 100644 (file)
index 0000000..1740d76
--- /dev/null
+++ b/meta/recipes-graphics/virglrenderer/virglrenderer/0001-c11-use-glibc-s-once_flag-ONCE_FLAG_INIT-when-presen.patch
@@ -0,0 +1,55 @@
+From 179e744f7577d98df7c79d7324c22acfb32a0154 Mon Sep 17 00:00:00 2001
+From: Dave Airlie <airlied@redhat.com>
+Date: Fri, 7 Nov 2025 13:14:56 +1000
+Subject: [PATCH] c11/threads: fix build on c23
+
+C23/glibc is now including once_init in stdlib.h
+
+https://patchwork.sourceware.org/project/glibc/patch/78061085-f04a-0c45-107b-5a8a15521083@redhat.com/#213088
+
+Just fix up our use of it.
+
+Upstream-Status: Submitted [https://gitlab.freedesktop.org/virgl/virglrenderer/-/merge_requests/1567]
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+---
+ src/mesa/compat/c11/impl/threads_posix.c | 3 ++-
+ 2 files changed, 4 insertions(+), 1 deletion(-)
+
+--- a/src/mesa/compat/c11/threads_posix.h
++++ b/src/mesa/compat/c11/threads_posix.h
+@@ -51,7 +51,9 @@ Configuration macro:
+ #include <pthread.h>
+
+ /*---------------------------- macros ----------------------------*/
++#ifndef __once_flag_defined
+ #define ONCE_FLAG_INIT PTHREAD_ONCE_INIT
++#endif
+ #ifdef INIT_ONCE_STATIC_INIT
+ #define TSS_DTOR_ITERATIONS PTHREAD_DESTRUCTOR_ITERATIONS
+ #else
+@@ -66,8 +68,9 @@ typedef pthread_cond_t  cnd_t;
+ typedef pthread_t       thrd_t;
+ typedef pthread_key_t   tss_t;
+ typedef pthread_mutex_t mtx_t;
++#ifndef __once_flag_defined
+ typedef pthread_once_t  once_flag;
+-
++#endif
+
+ /*
+ Implementation limits:
+@@ -90,12 +93,13 @@ impl_thrd_routine(void *p)
+
+ /*--------------- 7.25.2 Initialization functions ---------------*/
+ // 7.25.2.1
++#ifndef __once_flag_defined
+ static inline void
+ call_once(once_flag *flag, void (*func)(void))
+ {
+     pthread_once(flag, func);
+ }
+-
++#endif
+
+ /*------------- 7.25.3 Condition variable functions -------------*/
+ // 7.25.3.1

diff --git a/meta/recipes-graphics/virglrenderer/virglrenderer_1.1.1.bb b/meta/recipes-graphics/virglrenderer/virglrenderer_1.1.1.bb
index 89dd25de70e161f622dc7cfe3471939d520e888e..be4385ada611451b3cc5f242b9876d13163fa13f 100644 (file)
--- a/meta/recipes-graphics/virglrenderer/virglrenderer_1.1.1.bb
+++ b/meta/recipes-graphics/virglrenderer/virglrenderer_1.1.1.bb
@@ -12,6 +12,7 @@ DEPENDS = "libdrm libepoxy python3-pyyaml-native virtual/egl virtual/libgbm"
 SRCREV = "0f1f43929724a6a414c01a29bc51feccb445c2f0"
 SRC_URI = "git://gitlab.freedesktop.org/virgl/virglrenderer.git;branch=main;protocol=https;tag=${PV} \
            file://0001-meson.build-use-python3-directly-for-python.patch \
+           file://0001-c11-use-glibc-s-once_flag-ONCE_FLAG_INIT-when-presen.patch \
            "
 
 inherit meson pkgconfig features_check