build: require meson >= 0.63

Author: mochaaP

meson.build

@@ -3,7 +3,10 @@ project(
   'cpp',
   version: '3.9.0',
   license: 'Apache-2.0',
-  default_options: ['cpp_std=gnu++20,gnu++17,vc++latest,c++20,c++17'],
+  default_options: [
+    meson.version().version_compare('>= 1.3.0') ? 'cpp_std=gnu++20,gnu++17,vc++latest,c++20,c++17' : 'cpp_std=c++20',
+  ],
+  meson_version: '>= 0.63',
 )
 
 subdir('include')