From 804af16f3e4c8fe67e3ff72c283bdaa96648dfbc Mon Sep 17 00:00:00 2001
From: Marie Ramlow <marie@marie.cologne>
Date: Wed, 30 Sep 2026 17:03:02 +0200
Subject: [PATCH] usbguard: build with '-std=c++20'

Must match abseil-cpp's c++ version.

Fixes: https://github.com/NixOS/nixpkgs/issues/568672
---
 pkgs/by-name/us/usbguard/package.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pkgs/by-name/us/usbguard/package.nix b/pkgs/by-name/us/usbguard/package.nix
index 5f575755a7fb..2a9dea3f724c 100644
--- a/pkgs/by-name/us/usbguard/package.nix
+++ b/pkgs/by-name/us/usbguard/package.nix
@@ -65,6 +65,11 @@ stdenv.mkDerivation (finalAttrs: {
     "--with-polkit"
   ];
 
+  postPatch = ''
+    substituteInPlace configure.ac \
+      --replace-fail '-std=c++17' '-std=c++20'
+  '';
+
   enableParallelBuilding = true;
 
   postInstall = ''