build: Specify required GTK version

Part-of: <https://gitlab.gnome.org/GNOME/calls/-/merge_requests/714>

meson.build

@@ -32,6 +32,11 @@ project(
   ]
 )
 
+gtk_version = '4.8'
+gtk_version_arr = gtk_version.split('.')
+gtk_major = gtk_version_arr[0]
+gtk_minor = gtk_version_arr[1]
+
 calls_id = 'org.gnome.Calls'
 calls_homepage = 'https://gitlab.gnome.org/GNOME/calls'
 calls_name = meson.project_name()
@@ -111,6 +116,8 @@ test_c_args = [
   '-Wunused-variable',
   '-DGLIB_VERSION_MIN_REQUIRED=GLIB_VERSION_2_64',
   '-DGLIB_VERSION_MAX_ALLOWED=GLIB_VERSION_2_70',
+  '-DGDK_VERSION_MIN_REQUIRED=GDK_VERSION_@0@_@1@'.format(gtk_major, gtk_minor),
+  '-DGDK_VERSION_MAX_ALLOWED=GDK_VERSION_@0@_@1@'.format(gtk_major, gtk_minor),
   # see https://gitlab.gnome.org/GNOME/evolution-data-server/-/issues/332
   '-DEDS_DISABLE_DEPRECATED',
   # in preparation for the switch to Gtk4 we should make sure not to use deprecated symbols

plugins/provider/dummy/meson.build

@@ -44,7 +44,7 @@ i18n_plugin = i18n.merge_file(
 
 dummy_deps = [
   dependency('gobject-2.0'),
-  dependency('gtk4'),
+  dependency('gtk4', version: '>= @0@'.format(gtk_version)),
   dependency('libpeas-1.0'),
 ]
 

plugins/provider/mm/meson.build

@@ -42,7 +42,7 @@ i18n_plugin = i18n.merge_file(
 
 mm_deps = [
   dependency('gobject-2.0'),
-  dependency('gtk4'),
+  dependency('gtk4', version: '>= @0@'.format(gtk_version)),
   dependency('ModemManager'),
   dependency('mm-glib', version: '>= 1.12.0'),
   dependency('libpeas-1.0'),

plugins/provider/ofono/meson.build

@@ -43,7 +43,7 @@ i18n_plugin = i18n.merge_file(
 
 ofono_deps = [
   dependency('gobject-2.0'),
-  dependency('gtk4'),
+  dependency('gtk4', version: '>= @0@'.format(gtk_version)),
   dependency('libpeas-1.0'),
 ]
 

src/meson.build

@@ -30,7 +30,7 @@ src_include = include_directories('.')
 calls_includes = [ top_include, src_include ]
 
 calls_deps = [ dependency('gobject-2.0', version: '>= 2.58'),
-               dependency('gtk4'),
+               dependency('gtk4', version: '>= @0@'.format(gtk_version)),
                dependency('libadwaita-1', version: '>= 1.2'),
                dependency('libfeedback-0.0'),
                dependency('libpeas-1.0'),