[libadwaita] meson: Use summary()

[Alexander Mikhaylenko <alexm src gnome org>]

commit 3fb0359e644205222527578a6f9e596a1ead42f0
Author: Adrien Plazas <kekun plazas laposte net>
Date:   Thu May 27 14:11:47 2021 +0200

    meson: Use summary()
    
    This simplifies and standardizes how we print the summary.

 meson.build | 23 ++++++++---------------
 1 file changed, 8 insertions(+), 15 deletions(-)
---
diff --git a/meson.build b/meson.build
index 9c6ae298..3ce6aa86 100644
--- a/meson.build
+++ b/meson.build
@@ -136,19 +136,12 @@ configure_file(
          output: 'run',
   configuration: run_data)
 
-summary = [
-  '',
-  '------',
-  'Libadwaita @0@ (@1@)'.format(current, apiversion),
-  '',
-  '             Tests: @0@'.format(get_option('tests')),
-  '          Examples: @0@'.format(get_option('examples')),
-  '     Documentation: @0@'.format(get_option('gtk_doc')),
-  '     Introspection: @0@'.format(introspection),
-  '              Vapi: @0@'.format(get_option('vapi')),
- '------',
-  ''
-]
-
-message('\n'.join(summary))
+summary(
+  {
+    'Tests': get_option('tests'),
+    'Examples': get_option('examples'),
+    'Documentation': get_option('gtk_doc'),
+    'Introspection': introspection,
+    'Vapi': get_option('vapi'),
+  }, section: 'Options')