From dcf1208d33f579cdc9454d2350afb241c0a8f2ab Mon Sep 17 00:00:00 2001
From: Harinn <prinn.dev@pm.me>
Date: Thu, 7 May 2026 15:15:17 +0700
Subject: [PATCH] dublin-traceroute: fix build against jsoncpp 1.9.7

---
 pkgs/by-name/du/dublin-traceroute/package.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pkgs/by-name/du/dublin-traceroute/package.nix b/pkgs/by-name/du/dublin-traceroute/package.nix
index 1d2159daca60..75410da09849 100644
--- a/pkgs/by-name/du/dublin-traceroute/package.nix
+++ b/pkgs/by-name/du/dublin-traceroute/package.nix
@@ -23,10 +23,10 @@ stdenv.mkDerivation {
     hash = "sha256-UJeFPVi3423Jh72fVk8QbLX1tTNAQ504xYs9HwVCkZc=";
   };
 
-  # gtest requires C++17, while dublin-traceroute requires C++11
   postPatch = ''
     substituteInPlace CMakeLists.txt \
-      --replace-fail "ENABLE_TESTING()" ""
+      --replace-fail "ENABLE_TESTING()" "" \
+      --replace-fail "-std=c++11" "-std=c++17"
   '';
 
   nativeBuildInputs = [