lib/glib
1
0
Fork 0
mirror of https://gitlab.gnome.org/GNOME/glib.git synced 2026-10-24 00:49:00 +03:00
Code Activity

gtype: Mark the G_DEFINE_TYPE parent_class variable as unused

Browse Source 
clang 23 added -Wunused-but-set-global, which fires on the
type_name##_parent_class variable that _G_DEFINE_TYPE_EXTENDED_BEGIN_PRE
emits whenever a type never chains up to its parent:

  error: variable 'my_thing_parent_class' set but not used
  [-Werror,-Wunused-but-set-global]

Projects that promote the unused-but-set group to an error (pango, for
one) now fail to build with clang 23, and they cannot fix it on their
side because the variable comes from this macro.

Annotate it G_GNUC_UNUSED, the same treatment the adjacent
get_instance_private helper already gets.

Signed-off-by: Sunil Dora <sunilkumar.dora@windriver.com>
Fixes: #4038
This commit is contained in:
Sunil Dora
2026-08-30 11:39:28 +05:30
committed by Philip Withnall
parent 9eb9436786
commit 1567250294
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
gobject/gtype.h
View File

@@ -2295,7 +2295,7 @@ static void type_name##_class_intern_init (gpointer klass) \
static void type_name##_init (TypeName *self); \
static void type_name##_class_init (TypeName##Class *klass); \
static GType type_name##_get_type_once (void); \
static gpointer type_name##_parent_class = NULL; \
G_GNUC_UNUSED static gpointer type_name##_parent_class = NULL; \
static gint TypeName##_private_offset; \
\
_G_DEFINE_TYPE_EXTENDED_CLASS_INIT(TypeName, type_name) \