Revert https://gitlab.gnome.org/GNOME/gtk/-/commit/ed8203e700aa

--- config.h.in.orig	2019-07-03 20:26:06 UTC
+++ config.h.in
@@ -10,6 +10,9 @@
 /* Disable deprecation warnings from glib */
 #undef GLIB_DISABLE_DEPRECATION_WARNINGS
 
+/* Define to use atk-bridge-2.0 */
+#undef HAVE_ATK_BRIDGE
+
 /* Define to 1 if you have the `bind_textdomain_codeset' function. */
 #undef HAVE_BIND_TEXTDOMAIN_CODESET
 
--- config.h.meson.orig	2019-06-17 17:04:21 UTC
+++ config.h.meson
@@ -11,6 +11,9 @@
 /* Disable deprecation warnings from glib */
 #mesondefine GLIB_DISABLE_DEPRECATION_WARNINGS
 
+/* Define to use atk-bridge-2.0 */
+#mesondefine HAVE_ATK_BRIDGE
+
 /* Define to 1 if you have the `bind_textdomain_codeset' function. */
 #mesondefine HAVE_BIND_TEXTDOMAIN_CODESET
 
--- configure.orig	2019-07-03 20:26:06 UTC
+++ configure
@@ -1061,6 +1061,7 @@ enable_glibtest
 enable_modules
 with_included_immodules
 with_x
+with_atk_bridge
 enable_win32_gles
 enable_cups
 enable_papi
@@ -1838,6 +1839,7 @@ Optional Packages:
   --with-included-immodules=MODULE1,MODULE2,...
                           build the specified input methods into gtk
   --with-x                use the X Window System
+  --without-atk-bridge    Do not use AT-SPI ATK bridge
   --with-html-dir=PATH    path to installed docs
   --with-xml-catalog=CATALOG
                           path to xml catalog to use
@@ -27103,8 +27105,20 @@ fi
 # Check for Accessibility Toolkit flags
 ########################################
 
-if test x$enable_x11_backend = xyes; then
+
+# Check whether --with-atk-bridge was given.
+if test "${with_atk_bridge+set}" = set; then :
+  withval=$with_atk_bridge; :
+else
+  with_atk_bridge=$enable_x11_backend
+fi
+
+
+if test x$with_atk_bridge != xno; then
    ATK_PACKAGES="atk atk-bridge-2.0"
+
+$as_echo "#define HAVE_ATK_BRIDGE 1" >>confdefs.h
+
 else
    ATK_PACKAGES="atk"
 fi
--- gtk/a11y/gtkaccessibility.c.orig	2019-01-03 00:44:12 UTC
+++ gtk/a11y/gtkaccessibility.c
@@ -37,7 +37,7 @@
 #include <gtk/gtktogglebutton.h>
 #include <gtk/gtkaccessible.h>
 
-#ifdef GDK_WINDOWING_X11
+#ifdef HAVE_ATK_BRIDGE
 #include <atk-bridge.h>
 #endif
 
@@ -988,7 +988,7 @@ _gtk_accessibility_init (void)
   _gtk_accessibility_override_atk_util ();
   do_window_event_initialization ();
 
-#ifdef GDK_WINDOWING_X11
+#ifdef HAVE_ATK_BRIDGE
   atk_bridge_adaptor_init (NULL, NULL);
 #endif
 
--- meson.build.orig	2020-12-06 00:49:26 UTC
+++ meson.build
@@ -576,7 +576,7 @@ if x11_enabled
   xfixes_dep     = dependency('xfixes', required: false)
   xcomposite_dep = dependency('xcomposite', required: false)
   fontconfig_dep = dependency('fontconfig', fallback: ['fontconfig', 'fontconfig_dep'])
-  atkbridge_dep  = dependency('atk-bridge-2.0', version: at_spi2_atk_req)
+  atkbridge_dep  = dependency('atk-bridge-2.0', version: at_spi2_atk_req, required: get_option('atk-bridge'))
 
   x11_pkgs = ['fontconfig', 'x11', 'xext', 'xi', 'xrandr']
 
@@ -593,7 +593,10 @@ if x11_enabled
     x11_pkgs += ['xdamage']
   endif
 
-  atk_pkgs += ['atk-bridge-2.0']
+  if atkbridge_dep.found()
+    atk_pkgs += ['atk-bridge-2.0']
+    cdata.set('HAVE_ATK_BRIDGE', 1)
+  endif
 
   cdata.set('HAVE_XDAMAGE', xdamage_dep.found() ? 1 : false)
   cdata.set('HAVE_XCURSOR', xcursor_dep.found() ? 1 : false)
--- meson_options.txt.orig	2019-06-17 18:03:27 UTC
+++ meson_options.txt
@@ -13,6 +13,8 @@ option('mir_backend', type: 'boolean', value: false,
   description : 'Enable the Mir gdk backend')
 
 # Optional dependencies
+option('atk-bridge', type: 'boolean', value: 'true',
+  description : 'Enable AT-SPI ATK bridge support')
 option('xinerama', type: 'combo', choices : ['yes', 'no', 'auto'], value : 'auto',
   description : 'Enable support for the Xinerama extension')
 option('cloudproviders', type: 'boolean', value: false,