--- AppStream-0.16.1/meson.build.orig	2023-02-10 20:54:13.000000000 +0100
+++ AppStream-0.16.1/meson.build	2023-02-16 15:37:15.221219224 +0100
@@ -1,4 +1,4 @@
-project('AppStream', 'c',
+project('AppStream', 'c', 'cpp',
   meson_version: '>=0.62',
   default_options: ['c_std=c11', 'cpp_std=gnu++14'],
 
@@ -7,6 +7,7 @@ project('AppStream', 'c',
 )
 
 cc = meson.get_compiler('c')
+cxx = meson.get_compiler('cpp')
 source_root = meson.project_source_root()
 
 as_version = meson.project_version()
@@ -123,6 +124,7 @@ add_project_arguments(
   language: 'c'
 )
 add_project_arguments(
+  cxx.get_supported_arguments([
   '-Wno-unused-parameter',
   '-Werror=shadow',
   '-Werror=empty-body',
@@ -135,6 +137,7 @@ add_project_arguments(
 
   # NOTE: Can be removed with AppStream 1.0
   '-Wno-error=c++20-compat',
+  ]),
   language: 'cpp'
 )