From e1e1ef09f9bc7d2ca1f6876f4f4d13268be5a50d Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Thu, 11 Sep 2025 15:26:25 +0200
Subject: [PATCH] meson: fail build when encountering unused variables

---
 meson.build | 1 +
 1 file changed, 1 insertion(+)

diff --git a/meson.build b/meson.build
index 2e76d44aeb2..e95e9d4a79d 100644
--- a/meson.build
+++ b/meson.build
@@ -405,6 +405,7 @@ possible_common_cc_flags = [
         '-Werror=shift-overflow=2',
         '-Werror=strict-flex-arrays',
         '-Werror=undef',
+        '-Werror=unused-variable',
         '-Wfloat-equal',
         # gperf prevents us from enabling this because it does not emit fallthrough
         # attribute with clang.
-- 
2.47.3