[rhythmbox] build: enable more compiler warnings

[Jonathan Matthew <jmatthew src gnome org>]

commit fa15873aebe02144f9b68548c33af5f3188bc130
Author: Jonathan Matthew <jonathan d14n org>
Date:   Thu Nov 25 21:52:16 2021 +1000

    build: enable more compiler warnings

 meson.build | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)
---
diff --git a/meson.build b/meson.build
index 58ff970c6..3c963c3dd 100644
--- a/meson.build
+++ b/meson.build
@@ -22,7 +22,15 @@ common_cflags = [
   '-DGLIB_DISABLE_DEPRECATION_WARNINGS',
 ]
 test_cflags = [
-  '-Wno-deprecated-declarations'
+  '-Wno-deprecated-declarations',
+  '-Wformat=2',
+  '-Wno-format-nonliteral',
+  '-Wmissing-declarations',
+  '-Wmissing-prototypes',
+  '-Wnested-externs',
+  '-Wpointer-arith',
+  '-Wcast-align',
+  '-Wstrict-prototypes',
 ]
 common_cflags += cc.get_supported_arguments (test_cflags)
 add_project_arguments(common_cflags, language: 'c')