Ever since
<https://gerrit.libreoffice.org/plugins/gitiles/core/+/36c1c2c2754dda6e8d2b2802e3881465adaafbec%5E!/>
"Added GLOMenu and GLOActionGroup. Menu is published with actions (not
working)", g_lo_action_group_init in vcl/unx/gtk/gloactiongroup.cxx
contains a call
group->priv = G_TYPE_INSTANCE_GET_PRIVATE (group,
G_TYPE_LO_ACTION_GROUP,
GLOActionGroupPrivate);
that GLib 2.62 (as seen on Fedora 31) now warns about:
[CXX] vcl/unx/gtk3/gtk3gloactiongroup.cxx
In file included from vcl/unx/gtk3/gtk3gloactiongroup.cxx:3:
vcl/unx/gtk3/../gtk/gloactiongroup.cxx:317:19: warning: G_ADD_PRIVATE [-W#pragma-messages]
group->priv = G_TYPE_INSTANCE_GET_PRIVATE (group,
^
/usr/include/glib-2.0/gobject/gtype.h:643:145: note: expanded from macro 'G_TYPE_INSTANCE_GET_PRIVATE'
#define G_TYPE_INSTANCE_GET_PRIVATE(instance, g_type, c_type) ((c_type*) g_type_instance_get_private ((GTypeInstance*) (instance), (g_type))) GLIB_DEPRECATED_MACRO_IN_2_58_FOR(G_ADD_PRIVATE)
^
/usr/include/glib-2.0/glib/gversionmacros.h:831:49: note: expanded from macro 'GLIB_DEPRECATED_MACRO_IN_2_58_FOR'
# define GLIB_DEPRECATED_MACRO_IN_2_58_FOR(f) GLIB_DEPRECATED_MACRO_FOR(f)
^
/usr/include/glib-2.0/glib/gmacros.h:990:38: note: expanded from macro 'GLIB_DEPRECATED_MACRO_FOR'
#define GLIB_DEPRECATED_MACRO_FOR(f) _GLIB_GNUC_DO_PRAGMA(GCC warning #f)
^
/usr/include/glib-2.0/glib/gmacros.h:988:33: note: expanded from macro '_GLIB_GNUC_DO_PRAGMA'
#define _GLIB_GNUC_DO_PRAGMA(x) _Pragma(G_STRINGIFY (x))
^
<scratch space>:57:6: note: expanded from here
GCC warning "G_ADD_PRIVATE"
^
1 warning generated.
(And while Clang keeps that a warning even with -Werror, it causes a
true error breaking the build when building with GCC and --enable-werror.)
<https://developer.gnome.org/gobject/stable/gobject-Type-Information.html#G-TYPE-INSTANCE-GET-PRIVATE:CAPS>
states: "G_TYPE_INSTANCE_GET_PRIVATE has been deprecated since version
2.58 and should not be used in newly-written code. Use G_ADD_PRIVATE
and the generated your_type_get_instance_private() function instead"
But I have no idea how to fix that. So if anybody can clean it up, that
would be great. (Failing that, we can always add a sledgehammer
#define GLIB_DISABLE_DEPRECATION_WARNINGS
near the top of vcl/unx/gtk/gloactiongroup.cxx, similar to what is done
in
<https://gerrit.libreoffice.org/plugins/gitiles/core/+/59f96e1736c14575aee7575e73b50e96cf467bb0%5E!/>
"While I could swear that it worked yesterday".)
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