meson: Get libadwaita & gtksourceview as fallback

meson.build

@@ -12,8 +12,16 @@ base_id = 'org.gnome.FractalNext'
 dependency('glib-2.0', version: '>= 2.66')
 dependency('gio-2.0', version: '>= 2.66')
 dependency('gtk4', version: '>= 4.0.0')
-dependency('libadwaita-1', version: '>= 1.1.0' )
-dependency('gtksourceview-5', version: '>= 5.0.0' )
+dependency(
+  'libadwaita-1', version: '>= 1.1.0',
+  fallback: ['libadwaita', 'libadwaita_dep'],
+  default_options: ['tests=false', 'examples=false', 'vapi=false']
+)
+dependency(
+  'gtksourceview-5', version: '>= 5.0.0',
+  fallback: ['gtksourceview', 'gtksource_dep'],
+  default_options: ['gtk_doc=false', 'sysprof=false', 'gir=false', 'vapi=false', 'install_tests=false']
+)
 
 glib_compile_resources = find_program('glib-compile-resources', required: true)
 glib_compile_schemas = find_program('glib-compile-schemas', required: true)

subprojects/gtksourceview.wrap

@@ -0,0 +1,3 @@
+[wrap-git]
+url = https://gitlab.gnome.org/GNOME/gtksourceview.git
+revision = head

subprojects/libadwaita.wrap

@@ -0,0 +1,3 @@
+[wrap-git]
+url = https://gitlab.gnome.org/GNOME/libadwaita.git
+revision = head