From f08e95b16f4ef9ec022ca691137766b57fa989df Mon Sep 17 00:00:00 2001
From: Bobby Rong <rjl931189261@126.com>
Date: Mon, 23 Dec 2024 23:19:02 +0800
Subject: [PATCH] timeshift: Fix GCC 14 build

TeeJee.Process.c:1134:9: error: implicit declaration of function 'kill'
---
 pkgs/applications/backup/timeshift/unwrapped.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkgs/applications/backup/timeshift/unwrapped.nix b/pkgs/applications/backup/timeshift/unwrapped.nix
index 3fbaed4b21be..ebc37cfe55ff 100644
--- a/pkgs/applications/backup/timeshift/unwrapped.nix
+++ b/pkgs/applications/backup/timeshift/unwrapped.nix
@@ -57,6 +57,10 @@ stdenv.mkDerivation rec {
     xapp
   ];
 
+  env = lib.optionalAttrs stdenv.cc.isGNU {
+    NIX_CFLAGS_COMPILE = "-Wno-error=implicit-function-declaration";
+  };
+
   meta = with lib; {
     description = "System restore tool for Linux";
     longDescription = ''