glib-2.0: Drop volatile qualifier

Fixes
glib/gatomic.h:112:5: error: argument 2 of '__atomic_load' discards 'volatile' qualifier [-Werror=incompatible-pointer-types]

(From OE-Core rev: 06ac55a06f2300fa5442ec73a28c3f52022cc640)

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 33 insertions, 0 deletions

diff --git a/meta/recipes-core/glib-2.0/glib-2.0/0020-gobject-Drop-volatile-qualifier-from-GObject.ref_cou.patch b/meta/recipes-core/glib-2.0/glib-2.0/0020-gobject-Drop-volatile-qualifier-from-GObject.ref_cou.patch
new file mode 100644
index 0000000000..ae024a9af4
--- /dev/null
+++ b/meta/recipes-core/glib-2.0/glib-2.0/0020-gobject-Drop-volatile-qualifier-from-GObject.ref_cou.patch
@@ -0,0 +1,33 @@
+From 334f6953364680ddc6c0d3da13fda1d92bf5379d Mon Sep 17 00:00:00 2001
+From: Philip Withnall <pwithnall@endlessos.org>
+Date: Wed, 11 Nov 2020 19:21:07 +0000
+Subject: [PATCH 20/29] gobject: Drop volatile qualifier from GObject.ref_count
+
+This is an API break, but no third party code should be touching
+`GObject.ref_count`, let alone in a way which would be changed by the
+removal of the `volatile` qualifier.
+
+Signed-off-by: Philip Withnall <pwithnall@endlessos.org>
+
+Helps: #600
+Upstream-Status: Backport [https://gitlab.gnome.org/GNOME/glib/-/merge_requests/1719]
+---
+ gobject/gobject.h | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/gobject/gobject.h b/gobject/gobject.h
+index 7f55e1976..a84c183f8 100644
+--- a/gobject/gobject.h
++++ b/gobject/gobject.h
+@@ -247,7 +247,7 @@ struct  _GObject
+   GTypeInstance  g_type_instance;
+   
+   /*< private >*/
+-  volatile guint ref_count;
++  guint          ref_count;  /* (atomic) */
+   GData         *qdata;
+ };
+ /**
+-- 
+2.30.1
+