[gtk/wip/chergert/quartz4u: 4/5] build: add ATK fallback subproject wrapper

[Christian Hergert <chergert src gnome org>]

commit 3a2a02837220ed4fd8a5d4a822706ceefb66ccf8
Author: Christian Hergert <chergert redhat com>
Date:   Fri Jul 17 18:05:14 2020 -0700

    build: add ATK fallback subproject wrapper
    
    Very similar to the other fallbacks we use.

 meson.build          | 3 ++-
 subprojects/atk.wrap | 5 +++++
 2 files changed, 7 insertions(+), 1 deletion(-)
---
diff --git a/meson.build b/meson.build
index 593f455ee1..cc8a227a42 100644
--- a/meson.build
+++ b/meson.build
@@ -366,7 +366,8 @@ pixbuf_dep     = dependency('gdk-pixbuf-2.0', version: gdk_pixbuf_req,
 epoxy_dep      = dependency('epoxy', version: epoxy_req,
                             fallback: ['libepoxy', 'libepoxy_dep'],
                             static: not os_darwin)
-atk_dep        = dependency('atk', version: atk_req)
+atk_dep        = dependency('atk', version: atk_req,
+                            fallback : ['atk', 'libatk_dep'])
 harfbuzz_dep   = dependency('harfbuzz', version: '>= 0.9', required: false)
 xkbdep         = dependency('xkbcommon', version: xkbcommon_req, required: wayland_enabled)
 graphene_dep   = dependency('graphene-gobject-1.0', version: graphene_req,
diff --git a/subprojects/atk.wrap b/subprojects/atk.wrap
new file mode 100644
index 0000000000..f6765c5bfa
--- /dev/null
+++ b/subprojects/atk.wrap
@@ -0,0 +1,5 @@
+[wrap-git]
+directory=atk
+url=https://gitlab.gnome.org/GNOME/atk.git
+push-url=ssh://git gitlab gnome org:GNOME/atk.git
+revision=master